From 4121a061d89ba480bf5faeeb3622d7a0c183e104 Mon Sep 17 00:00:00 2001 From: Barak Michener Date: Fri, 16 May 2014 19:38:20 -0400 Subject: [PATCH 1/2] update ack --- bin/ack | 5939 ++++++++++++++++++++++++++++++++++++++++++++------------------- 1 file changed, 4150 insertions(+), 1789 deletions(-) diff --git a/bin/ack b/bin/ack index 7cc459c..88faa74 100755 --- a/bin/ack +++ b/bin/ack @@ -4,46 +4,64 @@ # Please DO NOT EDIT or send patches for it. # # Please take a look at the source from -# http://github.com/petdance/ack +# http://github.com/petdance/ack2 # and submit patches against the individual files # that build ack. # -use warnings; -use strict; +package main; -our $VERSION = '1.92'; -# Check http://betterthangrep.com/ for updates +use strict; +use warnings; + +our $VERSION = '2.12'; # Check http://beyondgrep.com/ for updates + +use 5.008008; +use Getopt::Long 2.35 (); +use Carp 1.04 (); + + +# XXX Don't make this so brute force +# See also: https://github.com/petdance/ack2/issues/89 # These are all our globals. - MAIN: { + $App::Ack::orig_program_name = $0; + $0 = join(' ', 'ack', $0); if ( $App::Ack::VERSION ne $main::VERSION ) { App::Ack::die( "Program/library version mismatch\n\t$0 is $main::VERSION\n\t$INC{'App/Ack.pm'} is $App::Ack::VERSION" ); } # Do preliminary arg checking; my $env_is_usable = 1; - for ( @ARGV ) { - last if ( $_ eq '--' ); + for my $arg ( @ARGV ) { + last if ( $arg eq '--' ); - # Priorities! Get the --thpppt checking out of the way. - /^--th[pt]+t+$/ && App::Ack::_thpppt($_); + # Get the --thpppt, --bar, --cathy checking out of the way. + $arg =~ /^--th[pt]+t+$/ and App::Ack::_thpppt($arg); + $arg eq '--bar' and App::Ack::_bar(); + $arg eq '--cathy' and App::Ack::_cathy(); # See if we want to ignore the environment. (Don't tell Al Gore.) - if ( $_ eq '--noenv' ) { - my @keys = ( 'ACKRC', grep { /^ACK_/ } keys %ENV ); - delete @ENV{@keys}; - $env_is_usable = 0; - } + $arg eq '--env' and $env_is_usable = 1; + $arg eq '--noenv' and $env_is_usable = 0; } - unshift( @ARGV, App::Ack::read_ackrc() ) if $env_is_usable; - App::Ack::load_colors(); - if ( exists $ENV{ACK_SWITCHES} ) { - App::Ack::warn( 'ACK_SWITCHES is no longer supported. Use ACK_OPTIONS.' ); + if ( !$env_is_usable ) { + my @keys = ( 'ACKRC', grep { /^ACK_/ } keys %ENV ); + delete @ENV{@keys}; } + load_colors(); + + Getopt::Long::Configure('default', 'no_auto_help', 'no_auto_version'); + Getopt::Long::Configure('pass_through', 'no_auto_abbrev'); + Getopt::Long::GetOptions( + 'help' => sub { App::Ack::show_help(); exit; }, + 'version' => sub { App::Ack::print_version_statement(); exit; }, + 'man' => sub { App::Ack::show_man(); exit; }, + ); + Getopt::Long::Configure('default', 'no_auto_help', 'no_auto_version'); if ( !@ARGV ) { App::Ack::show_help(); @@ -53,57 +71,969 @@ MAIN: { main(); } -sub main { - my $opt = App::Ack::get_command_line_options(); +sub _compile_descend_filter { + my ( $opt ) = @_; - $| = 1 if $opt->{flush}; # Unbuffer the output if flush mode + my $idirs = $opt->{idirs}; + my $dont_ignore_dirs = $opt->{no_ignore_dirs}; - if ( App::Ack::input_from_pipe() ) { - # We're going into filter mode - for ( qw( f g l ) ) { - $opt->{$_} and App::Ack::die( "Can't use -$_ when acting as a filter." ); + # if we have one or more --noignore-dir directives, we can't ignore + # entire subdirectory hierarchies, so we return an "accept all" + # filter and scrutinize the files more in _compile_file_filter + return if $dont_ignore_dirs; + return unless $idirs && @{$idirs}; + + my %ignore_dirs; + + foreach my $idir (@{$idirs}) { + if ( $idir =~ /^(\w+):(.*)/ ) { + if ( $1 eq 'is') { + $ignore_dirs{$2} = 1; + } + else { + Carp::croak( 'Non-is filters are not yet supported for --ignore-dir' ); + } } - $opt->{show_filename} = 0; - $opt->{regex} = App::Ack::build_regex( defined $opt->{regex} ? $opt->{regex} : shift @ARGV, $opt ); - if ( my $nargs = @ARGV ) { - my $s = $nargs == 1 ? '' : 's'; - App::Ack::warn( "Ignoring $nargs argument$s on the command-line while acting as a filter." ); + else { + Carp::croak( qq{Invalid filter specification "$idir"} ); } - my $res = App::Ack::Resource::Basic->new( '-' ); - App::Ack::search_resource( $res, $opt ); - $res->close(); - exit 0; } - my $file_matching = $opt->{f} || $opt->{lines}; - if ( !$file_matching ) { - @ARGV or App::Ack::die( 'No regular expression found.' ); - $opt->{regex} = App::Ack::build_regex( defined $opt->{regex} ? $opt->{regex} : shift @ARGV, $opt ); + return sub { + return !exists $ignore_dirs{$_} && !exists $ignore_dirs{$File::Next::dir}; + }; +} + +sub _compile_file_filter { + my ( $opt, $start ) = @_; + + my $ifiles = $opt->{ifiles}; + $ifiles ||= []; + + my $ifiles_filters = App::Ack::Filter::Collection->new(); + + foreach my $filter_spec (@{$ifiles}) { + if ( $filter_spec =~ /^(\w+):(.+)/ ) { + my ($how,$what) = ($1,$2); + my $filter = App::Ack::Filter->create_filter($how, split(/,/, $what)); + $ifiles_filters->add($filter); + } + else { + Carp::croak( qq{Invalid filter specification "$filter_spec"} ); + } } - # check that all regexes do compile fine - App::Ack::check_regex( $_ ) for ( $opt->{regex}, $opt->{G} ); + my $filters = $opt->{'filters'} || []; + my $direct_filters = App::Ack::Filter::Collection->new(); + my $inverse_filters = App::Ack::Filter::Collection->new(); - my $what = App::Ack::get_starting_points( \@ARGV, $opt ); - my $iter = App::Ack::get_iterator( $what, $opt ); - App::Ack::filetype_setup(); - - my $nmatches = 0; - - App::Ack::set_up_pager( $opt->{pager} ) if defined $opt->{pager}; - if ( $opt->{f} ) { - $nmatches = App::Ack::print_files( $iter, $opt ); + foreach my $filter (@{$filters}) { + if ($filter->is_inverted()) { + # We want to check if files match the uninverted filters + $inverse_filters->add($filter->invert()); + } + else { + $direct_filters->add($filter); + } } - elsif ( $opt->{l} || $opt->{count} ) { - $nmatches = App::Ack::print_files_with_matches( $iter, $opt ); + + my %is_member_of_starting_set = map { (get_file_id($_) => 1) } @{$start}; + + my $ignore_dir_list = $opt->{idirs}; + my $dont_ignore_dir_list = $opt->{no_ignore_dirs}; + + my %ignore_dir_set; + my %dont_ignore_dir_set; + + foreach my $filter (@{ $ignore_dir_list }) { + if ( $filter =~ /^(\w+):(.*)/ ) { + if ( $1 eq 'is' ) { + $ignore_dir_set{ $2 } = 1; + } else { + Carp::croak( 'Non-is filters are not yet supported for --ignore-dir' ); + } + } else { + Carp::croak( qq{Invalid filter specification "$filter"} ); + } + } + foreach my $filter (@{ $dont_ignore_dir_list }) { + if ( $filter =~ /^(\w+):(.*)/ ) { + if ( $1 eq 'is' ) { + $dont_ignore_dir_set{ $2 } = 1; + } else { + Carp::croak( 'Non-is filters are not yet supported for --ignore-dir' ); + } + } else { + Carp::croak( qq{Invalid filter specification "$filter"} ); + } + } + + return sub { + # ack always selects files that are specified on the command + # line, regardless of filetype. If you want to ack a JPEG, + # and say "ack foo whatever.jpg" it will do it for you. + return 1 if $is_member_of_starting_set{ get_file_id($File::Next::name) }; + + if ( $dont_ignore_dir_list ) { + my ( undef, $dirname ) = File::Spec->splitpath($File::Next::name); + my @dirs = File::Spec->splitdir($dirname); + + my $is_ignoring = 0; + + foreach my $dir ( @dirs ) { + if ( $ignore_dir_set{ $dir } ) { + $is_ignoring = 1; + } + elsif ( $dont_ignore_dir_set{ $dir } ) { + $is_ignoring = 0; + } + } + if ( $is_ignoring ) { + return 0; + } + } + + # Ignore named pipes found in directory searching. Named + # pipes created by subprocesses get specified on the command + # line, so the rule of "always select whatever is on the + # command line" wins. + return 0 if -p $File::Next::name; + + # we can't handle unreadable filenames; report them + unless ( -r _ ) { + if ( $App::Ack::report_bad_filenames ) { + App::Ack::warn( "${File::Next::name}: cannot open file for reading" ); + } + return 0; + } + + my $resource = App::Ack::Resource::Basic->new($File::Next::name); + return 0 if ! $resource; + if ( $ifiles_filters->filter($resource) ) { + return 0; + } + + my $match_found = $direct_filters->filter($resource); + + # Don't bother invoking inverse filters unless we consider the current resource a match + if ( $match_found && $inverse_filters->filter( $resource ) ) { + $match_found = 0; + } + return $match_found; + }; +} + +sub show_types { + my $resource = shift; + my $ors = shift; + + my @types = filetypes( $resource ); + my $types = join( ',', @types ); + my $arrow = @types ? ' => ' : ' =>'; + App::Ack::print( $resource->name, $arrow, join( ',', @types ), $ors ); + + return; +} + +# Set default colors, load Term::ANSIColor +sub load_colors { + eval 'use Term::ANSIColor 1.10 ()'; + eval 'use Win32::Console::ANSI' if $App::Ack::is_windows; + + $ENV{ACK_COLOR_MATCH} ||= 'black on_yellow'; + $ENV{ACK_COLOR_FILENAME} ||= 'bold green'; + $ENV{ACK_COLOR_LINENO} ||= 'bold yellow'; + + return; +} + +sub filetypes { + my ( $resource ) = @_; + + my @matches; + + foreach my $k (keys %App::Ack::mappings) { + my $filters = $App::Ack::mappings{$k}; + + foreach my $filter (@{$filters}) { + # clone the resource + my $clone = $resource->clone; + if ( $filter->filter($clone) ) { + push @matches, $k; + last; + } + } + } + + # http://search.cpan.org/dist/Perl-Critic/lib/Perl/Critic/Policy/Subroutines/ProhibitReturnSort.pm + @matches = sort @matches; + return @matches; +} + +# Returns a (fairly) unique identifier for a file. +# Use this function to compare two files to see if they're +# equal (ie. the same file, but with a different path/links/etc). +sub get_file_id { + my ( $filename ) = @_; + + if ( $App::Ack::is_windows ) { + return File::Next::reslash( $filename ); } else { - $nmatches = App::Ack::print_matches( $iter, $opt ); + # XXX is this the best method? it always hits the FS + if( my ( $dev, $inode ) = (stat($filename))[0, 1] ) { + return join(':', $dev, $inode); + } + else { + # XXX this could be better + return $filename; + } } - close $App::Ack::fh; - exit ($nmatches ? 0 : 1); } +# Returns a regex object based on a string and command-line options. +# Dies when the regex $str is undefined (i.e. not given on command line). + +sub build_regex { + my $str = shift; + my $opt = shift; + + defined $str or App::Ack::die( 'No regular expression found.' ); + + $str = quotemeta( $str ) if $opt->{Q}; + if ( $opt->{w} ) { + $str = "\\b$str" if $str =~ /^\w/; + $str = "$str\\b" if $str =~ /\w$/; + } + + my $regex_is_lc = $str eq lc $str; + if ( $opt->{i} || ($opt->{smart_case} && $regex_is_lc) ) { + $str = "(?i)$str"; + } + + my $re = eval { qr/$str/ }; + if ( !$re ) { + die "Invalid regex '$str':\n $@"; + } + + return $re; + +} + +{ + +my @before_ctx_lines; +my @after_ctx_lines; +my $is_iterating; + +my $has_printed_something; + +BEGIN { + $has_printed_something = 0; +} + +sub print_matches_in_resource { + my ( $resource, $opt ) = @_; + + my $passthru = $opt->{passthru}; + my $max_count = $opt->{m} || -1; + my $nmatches = 0; + my $filename = $resource->name; + my $break = $opt->{break}; + my $heading = $opt->{heading}; + my $ors = $opt->{print0} ? "\0" : "\n"; + my $color = $opt->{color}; + my $print_filename = $opt->{show_filename}; + + my $has_printed_for_this_resource = 0; + + $is_iterating = 1; + + local $opt->{before_context} = $opt->{output} ? 0 : $opt->{before_context}; + local $opt->{after_context} = $opt->{output} ? 0 : $opt->{after_context}; + + my $n_before_ctx_lines = $opt->{before_context} || 0; + my $n_after_ctx_lines = $opt->{after_context} || 0; + + @after_ctx_lines = @before_ctx_lines = (); + + my $fh = $resource->open(); + if ( !$fh ) { + if ( $App::Ack::report_bad_filenames ) { + App::Ack::warn( "$filename: $!" ); + } + return 0; + } + + my $display_filename = $filename; + if ( $print_filename && $heading && $color ) { + $display_filename = Term::ANSIColor::colored($display_filename, $ENV{ACK_COLOR_FILENAME}); + } + + # check for context before the main loop, so we don't + # pay for it if we don't need it + if ( $n_before_ctx_lines || $n_after_ctx_lines ) { + my $current_line = <$fh>; # prime the first line of input + + while ( defined $current_line ) { + while ( (@after_ctx_lines < $n_after_ctx_lines) && defined($_ = <$fh>) ) { + push @after_ctx_lines, $_; + } + + local $_ = $current_line; + my $former_dot_period = $.; + $. -= @after_ctx_lines; + + if ( does_match($opt, $_) ) { + if ( !$has_printed_for_this_resource ) { + if ( $break && $has_printed_something ) { + App::Ack::print_blank_line(); + } + if ( $print_filename && $heading ) { + App::Ack::print_filename( $display_filename, $ors ); + } + } + print_line_with_context($opt, $filename, $_, $.); + $has_printed_for_this_resource = 1; + $nmatches++; + $max_count--; + } + elsif ( $passthru ) { + chomp; # XXX proper newline handling? + # XXX inline this call? + if ( $break && !$has_printed_for_this_resource && $has_printed_something ) { + App::Ack::print_blank_line(); + } + print_line_with_options($opt, $filename, $_, $., ':'); + $has_printed_for_this_resource = 1; + } + last unless $max_count != 0; + + # I tried doing this with local(), but for some reason, + # $. continued to have its new value after the exit of the + # enclosing block. I'm guessing that $. has some extra + # magic associated with it or something. If someone can + # tell me why this happened, I would love to know! + $. = $former_dot_period; # XXX this won't happen on an exception + + if ( $n_before_ctx_lines ) { + push @before_ctx_lines, $current_line; + shift @before_ctx_lines while @before_ctx_lines > $n_before_ctx_lines; + } + if ( $n_after_ctx_lines ) { + $current_line = shift @after_ctx_lines; + } + else { + $current_line = <$fh>; + } + } + } + else { + local $_; + + while ( <$fh> ) { + if ( does_match($opt, $_) ) { + if ( !$has_printed_for_this_resource ) { + if ( $break && $has_printed_something ) { + App::Ack::print_blank_line(); + } + if ( $print_filename && $heading ) { + App::Ack::print_filename( $display_filename, $ors ); + } + } + print_line_with_context($opt, $filename, $_, $.); + $has_printed_for_this_resource = 1; + $nmatches++; + $max_count--; + } + elsif ( $passthru ) { + chomp; # XXX proper newline handling? + if ( $break && !$has_printed_for_this_resource && $has_printed_something ) { + App::Ack::print_blank_line(); + } + print_line_with_options($opt, $filename, $_, $., ':'); + $has_printed_for_this_resource = 1; + } + last unless $max_count != 0; + } + } + + $is_iterating = 0; # XXX this won't happen on an exception + # then again, do we care? ack doesn't really + # handle exceptions anyway. + + return $nmatches; +} + +sub print_line_with_options { + my ( $opt, $filename, $line, $line_no, $separator ) = @_; + + $has_printed_something = 1; + + my $print_filename = $opt->{show_filename}; + my $print_column = $opt->{column}; + my $ors = $opt->{print0} ? "\0" : "\n"; + my $heading = $opt->{heading}; + my $output_expr = $opt->{output}; + my $color = $opt->{color}; + + my @line_parts; + + if( $color ) { + $filename = Term::ANSIColor::colored($filename, + $ENV{ACK_COLOR_FILENAME}); + $line_no = Term::ANSIColor::colored($line_no, + $ENV{ACK_COLOR_LINENO}); + } + + if($print_filename) { + if( $heading ) { + push @line_parts, $line_no; + } + else { + push @line_parts, $filename, $line_no; + } + + if( $print_column ) { + push @line_parts, get_match_column(); + } + } + if( $output_expr ) { + while ( $line =~ /$opt->{regex}/og ) { + my $output = eval $output_expr; + App::Ack::print( join( $separator, @line_parts, $output ), $ors ); + } + } + else { + if ( $color ) { + $line =~ /$opt->{regex}/o; # this match is redundant, but we need + # to perfom it in order to get if + # capture groups are set + + if ( @+ > 1 ) { # if we have captures + while ( $line =~ /$opt->{regex}/og ) { + my $offset = 0; # additional offset for when we add stuff + my $previous_match_end = 0; + + for ( my $i = 1; $i < @+; $i++ ) { + my ( $match_start, $match_end ) = ( $-[$i], $+[$i] ); + + next unless defined($match_start); + next if $match_start < $previous_match_end; + + my $substring = substr( $line, + $offset + $match_start, $match_end - $match_start ); + my $substitution = Term::ANSIColor::colored( $substring, + $ENV{ACK_COLOR_MATCH} ); + + substr( $line, $offset + $match_start, + $match_end - $match_start, $substitution ); + + $previous_match_end = $match_end; # offsets do not need to be applied + $offset += length( $substitution ) - length( $substring ); + } + + pos($line) = $+[0] + $offset; + } + } + else { + my $matched = 0; # flag; if matched, need to escape afterwards + + while ( $line =~ /$opt->{regex}/og ) { + + $matched = 1; + my ( $match_start, $match_end ) = ($-[0], $+[0]); + next unless defined($match_start); + + my $substring = substr( $line, $match_start, + $match_end - $match_start ); + my $substitution = Term::ANSIColor::colored( $substring, + $ENV{ACK_COLOR_MATCH} ); + + substr( $line, $match_start, $match_end - $match_start, + $substitution ); + + pos($line) = $match_end + + (length( $substitution ) - length( $substring )); + } + # XXX why do we do this? + $line .= "\033[0m\033[K" if $matched; + } + } + + push @line_parts, $line; + App::Ack::print( join( $separator, @line_parts ), $ors ); + } + + return; +} + +sub iterate { + my ( $resource, $opt, $cb ) = @_; + + $is_iterating = 1; + + local $opt->{before_context} = $opt->{output} ? 0 : $opt->{before_context}; + local $opt->{after_context} = $opt->{output} ? 0 : $opt->{after_context}; + + my $n_before_ctx_lines = $opt->{before_context} || 0; + my $n_after_ctx_lines = $opt->{after_context} || 0; + + @after_ctx_lines = @before_ctx_lines = (); + + my $fh = $resource->open(); + if ( !$fh ) { + if ( $App::Ack::report_bad_filenames ) { + # XXX direct access to filename + App::Ack::warn( "$resource->{filename}: $!" ); + } + return; + } + + # check for context before the main loop, so we don't + # pay for it if we don't need it + if ( $n_before_ctx_lines || $n_after_ctx_lines ) { + my $current_line = <$fh>; # prime the first line of input + + while ( defined $current_line ) { + while ( (@after_ctx_lines < $n_after_ctx_lines) && defined($_ = <$fh>) ) { + push @after_ctx_lines, $_; + } + + local $_ = $current_line; + my $former_dot_period = $.; + $. -= @after_ctx_lines; + + last unless $cb->(); + + # I tried doing this with local(), but for some reason, + # $. continued to have its new value after the exit of the + # enclosing block. I'm guessing that $. has some extra + # magic associated with it or something. If someone can + # tell me why this happened, I would love to know! + $. = $former_dot_period; # XXX this won't happen on an exception + + if ( $n_before_ctx_lines ) { + push @before_ctx_lines, $current_line; + shift @before_ctx_lines while @before_ctx_lines > $n_before_ctx_lines; + } + if ( $n_after_ctx_lines ) { + $current_line = shift @after_ctx_lines; + } + else { + $current_line = <$fh>; + } + } + } + else { + local $_; + + while ( <$fh> ) { + last unless $cb->(); + } + } + + $is_iterating = 0; # XXX this won't happen on an exception + # then again, do we care? ack doesn't really + # handle exceptions anyway. + + return; +} + +sub get_context { + if ( not $is_iterating ) { + Carp::croak( 'get_context() called outside of iterate()' ); + } + + return ( + scalar(@before_ctx_lines) ? \@before_ctx_lines : undef, + scalar(@after_ctx_lines) ? \@after_ctx_lines : undef, + ); +} + +} + +{ + +my $is_first_match; +my $previous_file_processed; +my $previous_line_printed; + +BEGIN { + $is_first_match = 1; + $previous_line_printed = -1; +} + +sub print_line_with_context { + my ( $opt, $filename, $matching_line, $line_no ) = @_; + + my $heading = $opt->{heading}; + + if( !defined($previous_file_processed) || + $previous_file_processed ne $filename ) { + $previous_file_processed = $filename; + $previous_line_printed = -1; + + if( $heading ) { + $is_first_match = 1; + } + } + + my $ors = $opt->{print0} ? "\0" : "\n"; + my $match_word = $opt->{w}; + my $is_tracking_context = $opt->{after_context} || $opt->{before_context}; + my $output_expr = $opt->{output}; + + $matching_line =~ s/[\r\n]+$//g; + + my ( $before_context, $after_context ) = get_context(); + + if ( $before_context ) { + my $first_line = $. - @{$before_context}; + + if ( $first_line <= $previous_line_printed ) { + splice @{$before_context}, 0, $previous_line_printed - $first_line + 1; + $first_line = $. - @{$before_context}; + } + if ( @{$before_context} ) { + my $offset = @{$before_context}; + + if( !$is_first_match && $previous_line_printed != $first_line - 1 ) { + App::Ack::print('--', $ors); + } + foreach my $line (@{$before_context}) { + my $context_line_no = $. - $offset; + if ( $context_line_no <= $previous_line_printed ) { + next; + } + + chomp $line; + local $opt->{column}; + + print_line_with_options($opt, $filename, $line, $context_line_no, '-'); + $previous_line_printed = $context_line_no; + $offset--; + } + } + } + + if ( $. > $previous_line_printed ) { + if( $is_tracking_context && !$is_first_match && $previous_line_printed != $. - 1 ) { + App::Ack::print('--', $ors); + } + + print_line_with_options($opt, $filename, $matching_line, $line_no, ':'); + $previous_line_printed = $.; + } + + if($after_context) { + my $offset = 1; + foreach my $line (@{$after_context}) { + # XXX improve this! + if ( $previous_line_printed >= $. + $offset ) { + $offset++; + next; + } + chomp $line; + + if ( $opt->{regex} && does_match( $opt, $line ) ) { + print_line_with_options($opt, $filename, $line, $. + $offset, ':'); + } + else { + local $opt->{column}; + print_line_with_options($opt, $filename, $line, $. + $offset, '-'); + } + $previous_line_printed = $. + $offset; + $offset++; + } + } + + $is_first_match = 0; + + return; +} + +} + +{ + +my $match_column_number; + +# does_match() MUST have an $opt->{regex} set. + +sub does_match { + my ( $opt, $line ) = @_; + + $match_column_number = undef; + + if ( $opt->{v} ) { + return ( $line !~ /$opt->{regex}/o ); + } + else { + if ( $line =~ /$opt->{regex}/o ) { + # @- = @LAST_MATCH_START + # @+ = @LAST_MATCH_END + $match_column_number = $-[0] + 1; + return 1; + } + else { + return; + } + } +} + +sub get_match_column { + return $match_column_number; +} + +} + +sub resource_has_match { + my ( $resource, $opt ) = @_; + + my $has_match = 0; + my $fh = $resource->open(); + if ( !$fh ) { + if ( $App::Ack::report_bad_filenames ) { + # XXX direct access to filename + App::Ack::warn( "$resource->{filename}: $!" ); + } + } + else { + my $opt_v = $opt->{v}; + my $re = $opt->{regex}; + while ( <$fh> ) { + if (/$re/o xor $opt_v) { + $has_match = 1; + last; + } + } + close $fh; + } + + return $has_match; +} + +sub count_matches_in_resource { + my ( $resource, $opt ) = @_; + + my $nmatches = 0; + my $fh = $resource->open(); + if ( !$fh ) { + if ( $App::Ack::report_bad_filenames ) { + # XXX direct access to filename + App::Ack::warn( "$resource->{filename}: $!" ); + } + } + else { + my $opt_v = $opt->{v}; + my $re = $opt->{regex}; + while ( <$fh> ) { + ++$nmatches if (/$re/o xor $opt_v); + } + close $fh; + } + + return $nmatches; +} + +sub main { + my @arg_sources = App::Ack::ConfigLoader::retrieve_arg_sources(); + + my $opt = App::Ack::ConfigLoader::process_args( @arg_sources ); + + $App::Ack::report_bad_filenames = !$opt->{dont_report_bad_filenames}; + + if ( $opt->{flush} ) { + $| = 1; + } + + if ( !defined($opt->{color}) && !$opt->{g} ) { + my $windows_color = 1; + if ( $App::Ack::is_windows ) { + $windows_color = eval { require Win32::Console::ANSI; } + } + $opt->{color} = !App::Ack::output_to_pipe() && $windows_color; + } + if ( not defined $opt->{heading} and not defined $opt->{break} ) { + $opt->{heading} = $opt->{break} = !App::Ack::output_to_pipe(); + } + + if ( defined($opt->{H}) || defined($opt->{h}) ) { + $opt->{show_filename}= $opt->{H} && !$opt->{h}; + } + + if ( my $output = $opt->{output} ) { + $output =~ s{\\}{\\\\}g; + $output =~ s{"}{\\"}g; + $opt->{output} = qq{"$output"}; + } + + my $resources; + if ( $App::Ack::is_filter_mode && !$opt->{files_from} ) { # probably -x + $resources = App::Ack::Resources->from_stdin( $opt ); + my $regex = $opt->{regex}; + $regex = shift @ARGV if not defined $regex; + $opt->{regex} = build_regex( $regex, $opt ); + } + else { + if ( $opt->{f} || $opt->{lines} ) { + if ( $opt->{regex} ) { + App::Ack::warn( "regex ($opt->{regex}) specified with -f or --lines" ); + App::Ack::exit_from_ack( 0 ); # XXX the 0 is misleading + } + } + else { + my $regex = $opt->{regex}; + $regex = shift @ARGV if not defined $regex; + $opt->{regex} = build_regex( $regex, $opt ); + } + my @start; + if ( not defined $opt->{files_from} ) { + @start = @ARGV; + } + if ( !exists($opt->{show_filename}) ) { + unless(@start == 1 && !(-d $start[0])) { + $opt->{show_filename} = 1; + } + } + + if ( defined $opt->{files_from} ) { + $resources = App::Ack::Resources->from_file( $opt, $opt->{files_from} ); + exit 1 unless $resources; + } + else { + @start = ('.') unless @start; + foreach my $target (@start) { + if ( !-e $target && $App::Ack::report_bad_filenames) { + App::Ack::warn( "$target: No such file or directory" ); + } + } + + $opt->{file_filter} = _compile_file_filter($opt, \@start); + $opt->{descend_filter} = _compile_descend_filter($opt); + + $resources = App::Ack::Resources->from_argv( $opt, \@start ); + } + } + App::Ack::set_up_pager( $opt->{pager} ) if defined $opt->{pager}; + + my $print_filenames = $opt->{show_filename}; + my $max_count = $opt->{m}; + my $ors = $opt->{print0} ? "\0" : "\n"; + my $only_first = $opt->{1}; + + my $nmatches = 0; + my $total_count = 0; +RESOURCES: + while ( my $resource = $resources->next ) { + # XXX this variable name combined with what we're trying + # to do makes no sense. + + # XXX Combine the -f and -g functions + if ( $opt->{f} ) { + # XXX printing should probably happen inside of App::Ack + if ( $opt->{show_types} ) { + show_types( $resource, $ors ); + } + else { + App::Ack::print( $resource->name, $ors ); + } + ++$nmatches; + last RESOURCES if defined($max_count) && $nmatches >= $max_count; + } + elsif ( $opt->{g} ) { + my $is_match = ( $resource->name =~ /$opt->{regex}/o ); + if ( $opt->{v} ? !$is_match : $is_match ) { + if ( $opt->{show_types} ) { + show_types( $resource, $ors ); + } + else { + local $opt->{show_filename} = 0; + + print_line_with_options($opt, '', $resource->name, 0, $ors); + } + ++$nmatches; + last RESOURCES if defined($max_count) && $nmatches >= $max_count; + } + } + elsif ( $opt->{lines} ) { + my $print_filename = $opt->{show_filename}; + my $passthru = $opt->{passthru}; + + my %line_numbers; + foreach my $line ( @{ $opt->{lines} } ) { + my @lines = split /,/, $line; + @lines = map { + /^(\d+)-(\d+)$/ + ? ( $1 .. $2 ) + : $_ + } @lines; + @line_numbers{@lines} = (1) x @lines; + } + + my $filename = $resource->name; + + local $opt->{color} = 0; + + iterate($resource, $opt, sub { + chomp; + + if ( $line_numbers{$.} ) { + print_line_with_context($opt, $filename, $_, $.); + } + elsif ( $passthru ) { + print_line_with_options($opt, $filename, $_, $., ':'); + } + return 1; + }); + } + elsif ( $opt->{count} ) { + my $matches_for_this_file = count_matches_in_resource( $resource, $opt ); + + unless ( $opt->{show_filename} ) { + $total_count += $matches_for_this_file; + next RESOURCES; + } + + if ( !$opt->{l} || $matches_for_this_file > 0) { + if ( $print_filenames ) { + App::Ack::print( $resource->name, ':', $matches_for_this_file, $ors ); + } + else { + App::Ack::print( $matches_for_this_file, $ors ); + } + } + } + elsif ( $opt->{l} || $opt->{L} ) { + my $is_match = resource_has_match( $resource, $opt ); + + if ( $opt->{L} ? !$is_match : $is_match ) { + App::Ack::print( $resource->name, $ors ); + ++$nmatches; + + last RESOURCES if $only_first; + last RESOURCES if defined($max_count) && $nmatches >= $max_count; + } + } + else { + $nmatches += print_matches_in_resource( $resource, $opt ); + if ( $nmatches && $only_first ) { + last RESOURCES; + } + } + } + + if ( $opt->{count} && !$opt->{show_filename} ) { + App::Ack::print( $total_count, "\n" ); + } + + close $App::Ack::fh; + App::Ack::exit_from_ack( $nmatches ); +} + + + =head1 NAME ack - grep-like text finder @@ -117,29 +1047,40 @@ ack - grep-like text finder Ack is designed as a replacement for 99% of the uses of F. -Ack searches the named input FILEs (or standard input if no files are -named, or the file name - is given) for lines containing a match to the -given PATTERN. By default, ack prints the matching lines. +Ack searches the named input FILEs (or standard input if no files +are named, or the file name - is given) for lines containing a match +to the given PATTERN. By default, ack prints the matching lines. -Ack can also list files that would be searched, without actually searching -them, to let you take advantage of ack's file-type filtering capabilities. +PATTERN is a Perl regular expression. Perl regular expressions +are commonly found in other programming languages, but for the particulars +of their behavior, please consult +L. If you don't know +how to use regular expression but are interested in learning, you may +consult L. If you do not +need or want ack to use regular expressions, please see the +C<-Q>/C<--literal> option. + +Ack can also list files that would be searched, without actually +searching them, to let you take advantage of ack's file-type filtering +capabilities. =head1 FILE SELECTION +If files are not specified for searching, either on the command +line or piped in with the C<-x> option, I delves into +subdirectories selecting files for searching. + I is intelligent about the files it searches. It knows about certain file types, based on both the extension on the file and, in some cases, the contents of the file. These selections can be made with the B<--type> option. -With no file selections, I only searches files of types that -it recognizes. If you have a file called F, and I -doesn't know what a .wango file is, I won't search it. +With no file selection, I searches through regular files that +are not explicitly excluded by B<--ignore-dir> and B<--ignore-file> +options, either present in F files or on the command line. -The B<-a> option tells I to select all files, regardless of -type. - -Some files will never be selected by I, even with B<-a>, -including: +The default options for I ignore certain files and directories. These +include: =over 4 @@ -147,23 +1088,28 @@ including: =item * Coredumps: Files matching F +=item * Version control directories like F<.svn> and F<.git>. + =back +Run I with the C<--dump> option to see what settings are set. + However, I always searches the files given on the command line, -no matter what type. Furthermore, by specifying the B<-u> option all -files will be searched. +no matter what type. If you tell I to search in a coredump, +it will search in a coredump. =head1 DIRECTORY SELECTION I descends through the directory tree of the starting directories -specified. However, it will ignore the shadow directories used by +specified. If no directories are specified, the current working directory is +used. However, it will ignore the shadow directories used by many version control systems, and the build directories used by the Perl MakeMaker system. You may add or remove a directory from this list with the B<--[no]ignore-dir> option. The option may be repeated to add/remove multiple directories from the ignore list. For a complete list of directories that do not get searched, run -F. +C. =head1 WHEN TO USE GREP @@ -173,17 +1119,16 @@ throw I away, because there are times you'll still need it. E.g., searching through huge files looking for regexes that can be expressed with I syntax should be quicker with I. -If your script or parent program uses I C<--quiet> or -C<--silent> or needs exit 2 on IO error, use I. +If your script or parent program uses I C<--quiet> or C<--silent> +or needs exit 2 on IO error, use I. =head1 OPTIONS =over 4 -=item B<-a>, B<--all> +=item B<--ackrc> -Operate on all files, regardless of type (but still skip directories -like F, F, etc.) +Specifies an ackrc file to load after all others; see L. =item B<-A I>, B<--after-context=I> @@ -193,6 +1138,11 @@ Print I lines of trailing context after matching lines. Print I lines of leading context before matching lines. +=item B<--[no]break> + +Print a break between results from different files. On by default +when used interactively. + =item B<-C [I]>, B<--context[=I]> Print I lines (default 2) of context around matching lines. @@ -204,9 +1154,12 @@ each input file. If B<-l> is in effect, it will only show the number of lines for each file that has lines matching. Without B<-l>, some line counts may be zeroes. -=item B<--color>, B<--nocolor> +If combined with B<-h> (B<--no-filename>) ack outputs only one total +count. -B<--color> highlights the matching text. B<--nocolor> supresses +=item B<--[no]color>, B<--[no]colour> + +B<--color> highlights the matching text. B<--nocolor> suppresses the color. This is on by default unless the output is redirected. On Windows, this option is off by default unless the @@ -221,91 +1174,135 @@ Sets the color to be used for filenames. Sets the color to be used for matches. -=item B<--column> +=item B<--color-lineno=I> -Show the column number of the first match. This is helpful for editors -that can place your cursor at a given position. +Sets the color to be used for line numbers. -=item B<--env>, B<--noenv> +=item B<--[no]column> -B<--noenv> disables all environment processing. No F<.ackrc> is read -and all environment variables are ignored. By default, F considers -F<.ackrc> and settings in the environment. +Show the column number of the first match. This is helpful for +editors that can place your cursor at a given position. + +=item B<--create-ackrc> + +Dumps the default ack options to standard output. This is useful for +when you want to customize the defaults. + +=item B<--dump> + +Writes the list of options loaded and where they came from to standard +output. Handy for debugging. + +=item B<--[no]env> + +B<--noenv> disables all environment processing. No F<.ackrc> is +read and all environment variables are ignored. By default, F +considers F<.ackrc> and settings in the environment. =item B<--flush> B<--flush> flushes output immediately. This is off by default -unless ack is running interactively (when output goes to a pipe -or file). +unless ack is running interactively (when output goes to a pipe or +file). =item B<-f> Only print the files that would be searched, without actually doing -any searching. PATTERN must not be specified, or it will be taken as -a path to search. +any searching. PATTERN must not be specified, or it will be taken +as a path to search. -=item B<--follow>, B<--nofollow> +=item B<--files-from=I> + +The list of files to be searched is specified in I. The list of +files are separated by newlines. If I is C<->, the list is loaded +from standard input. + +=item B<--[no]filter> + +Forces ack to act as if it were receiving input via a pipe. + +=item B<--[no]follow> Follow or don't follow symlinks, other than whatever starting files or directories were specified on the command line. This is off by default. -=item B<-G I> +=item B<-g I> -Only paths matching I are included in the search. The entire -path and filename are matched against I, and I is a -Perl regular expression, not a shell glob. +Print files where the relative path + filename matches I. +This option can be combined with B<--color> to make it easier to spot +the match. -The options B<-i>, B<-w>, B<-v>, and B<-Q> do not apply to this I. +=item B<--[no]group> -=item B<-g I> +B<--group> groups matches by file name. This is the default +when used interactively. -Print files where the relative path + filename matches I. This option is -a convenience shortcut for B<-f> B<-G I>. - -The options B<-i>, B<-w>, B<-v>, and B<-Q> do not apply to this I. - -=item B<--group>, B<--nogroup> - -B<--group> groups matches by file name with. This is the default when -used interactively. - -B<--nogroup> prints one result per line, like grep. This is the default -when output is redirected. +B<--nogroup> prints one result per line, like grep. This is the +default when output is redirected. =item B<-H>, B<--with-filename> -Print the filename for each match. +Print the filename for each match. This is the default unless searching +a single explicitly specified file. =item B<-h>, B<--no-filename> Suppress the prefixing of filenames on output when multiple files are searched. -=item B<--help> +=item B<--[no]heading> + +Print a filename heading above each file's results. This is the default +when used interactively. + +=item B<--help>, B<-?> Print a short help statement. +=item B<--help-types>, B<--help=types> + +Print all known types. + =item B<-i>, B<--ignore-case> -Ignore case in the search strings. +Ignore case distinctions in PATTERN -This applies only to the PATTERN, not to the regexes given for the B<-g> -and B<-G> options. +=item B<--ignore-ack-defaults> -=item B<--[no]ignore-dir=DIRNAME> +Tells ack to completely ignore the default definitions provided with ack. +This is useful in combination with B<--create-ackrc> if you I want +to customize ack. -Ignore directory (as CVS, .svn, etc are ignored). May be used multiple times -to ignore multiple directories. For example, mason users may wish to include -B<--ignore-dir=data>. The B<--noignore-dir> option allows users to search -directories which would normally be ignored (perhaps to research the contents -of F<.svn/props> directories). +=item B<--[no]ignore-dir=I>, B<--[no]ignore-directory=I> -=item B<--line=I> +Ignore directory (as CVS, .svn, etc are ignored). May be used +multiple times to ignore multiple directories. For example, mason +users may wish to include B<--ignore-dir=data>. The B<--noignore-dir> +option allows users to search directories which would normally be +ignored (perhaps to research the contents of F<.svn/props> directories). + +The I must always be a simple directory name. Nested +directories like F are NOT supported. You would need to +specify B<--ignore-dir=foo> and then no files from any foo directory +are taken into account by ack unless given explicitly on the command +line. + +=item B<--ignore-file=I> + +Ignore files matching I. The filters are specified +identically to file type filters as seen in L. + +=item B<-k>, B<--known-types> + +Limit selected files to those with types that ack knows about. This is +equivalent to the default behavior found in ack 1. + +=item B<--lines=I> Only print line I of each file. Multiple lines can be given with multiple -B<--line> options or as a comma separated list (B<--line=3,5,7>). B<--line=4-7> +B<--lines> options or as a comma separated list (B<--lines=3,5,7>). B<--lines=4-7> also works. The lines are always output in ascending order, no matter the order given on the command line. @@ -315,12 +1312,11 @@ Only print the filenames of matching files, instead of the matching text. =item B<-L>, B<--files-without-matches> -Only print the filenames of files that do I match. This is equivalent -to specifying B<-l> and B<-v>. +Only print the filenames of files that do I match. -=item B<--match I> +=item B<--match I> -Specify the I explicitly. This is helpful if you don't want to put the +Specify the I explicitly. This is helpful if you don't want to put the regex as your first argument, e.g. when executing multiple searches over the same set of files. @@ -336,7 +1332,7 @@ Stop reading a file after I matches. Print this manual page. -=item B<-n> +=item B<-n>, B<--no-recurse> No descending into subdirectories. @@ -349,15 +1345,20 @@ highlighting) Output the evaluation of I for each line (turns off text highlighting) +If PATTERN matches more than once then a line is output for each non-overlapping match. +For more information please see the section L">. -=item B<--pager=I> +=item B<--pager=I>, B<--nopager> -Direct ack's output through I. This can also be specified +B<--pager> directs ack's output through I. This can also be specified via the C and C environment variables. Using --pager does not suppress grouping and coloring like piping output on the command-line does. +B<--nopager> cancels any setting in ~/.ackrc, C or C. +No output will be sent through a pager. + =item B<--passthru> Prints all lines, whether or not they match the expression. Highlighting @@ -380,32 +1381,36 @@ helpful when dealing with filenames that contain whitespace, e.g. Quote all metacharacters in PATTERN, it is treated as a literal. -This applies only to the PATTERN, not to the regexes given for the B<-g> -and B<-G> options. +=item B<-r>, B<-R>, B<--recurse> -=item B<--smart-case>, B<--no-smart-case> +Recurse into sub-directories. This is the default and just here for +compatibility with grep. You can also use it for turning B<--no-recurse> off. + +=item B<-s> + +Suppress error messages about nonexistent or unreadable files. This is taken +from fgrep. + +=item B<--[no]smart-case>, B<--no-smart-case> Ignore case in the search strings if PATTERN contains no uppercase characters. This is similar to C in vim. This option is -off by default. +off by default, and ignored if C<-i> is specified. B<-i> always overrides this option. -This applies only to the PATTERN, not to the regexes given for the -B<-g> and B<-G> options. - =item B<--sort-files> -Sorts the found files lexically. Use this if you want your file +Sorts the found files lexicographically. Use this if you want your file listings to be deterministic between runs of I. -=item B<--thpppt> +=item B<--show-types> -Display the all-important Bill The Cat logo. Note that the exact -spelling of B<--thpppppt> is not important. It's checked against -a regular expression. +Outputs the filetypes that ack associates with each file. -=item B<--type=TYPE>, B<--type=noTYPE> +Works with B<-f> and B<-g> options. + +=item B<--type=[no]TYPE> Specify the types of files to include or exclude from a search. TYPE is a filetype, like I or I. B<--type=perl> can @@ -420,31 +1425,28 @@ Type specifications can be repeated and are ORed together. See I for a list of valid types. -=item B<--type-add I=I<.EXTENSION>[,I<.EXT2>[,...]]> +=item B<--type-add I:I:I> -Files with the given EXTENSION(s) are recognized as being of (the -existing) type TYPE. See also L. +Files with the given FILTERARGS applied to the given FILTER +are recognized as being of (the existing) type TYPE. +See also L. -=item B<--type-set I=I<.EXTENSION>[,I<.EXT2>[,...]]> +=item B<--type-set I:I:I> -Files with the given EXTENSION(s) are recognized as being of type -TYPE. This replaces an existing definition for type TYPE. See also -L. +Files with the given FILTERARGS applied to the given FILTER are recognized as +being of type TYPE. This replaces an existing definition for type TYPE. See +also L. -=item B<-u>, B<--unrestricted> +=item B<--type-del I> -All files and directories (including blib/, core.*, ...) are searched, -nothing is skipped. When both B<-u> and B<--ignore-dir> are used, the -B<--ignore-dir> option has no effect. +The filters associated with TYPE are removed from Ack, and are no longer considered +for searches. =item B<-v>, B<--invert-match> Invert match: select non-matching lines -This applies only to the PATTERN, not to the regexes given for the B<-g> -and B<-G> options. - =item B<--version> Display version and copyright information. @@ -454,8 +1456,10 @@ Display version and copyright information. Force PATTERN to match only whole words. The PATTERN is wrapped with C<\b> metacharacters. -This applies only to the PATTERN, not to the regexes given for the B<-g> -and B<-G> options. +=item B<-x> + +An abbreviation for B<--files-from=->; the list of files to search are read +from standard input, with one line per file. =item B<-1> @@ -464,6 +1468,20 @@ from B<--max-count=1> or B<-m1>, where only one match per file is shown. Also, B<-1> works with B<-f> and B<-g>, where B<-m> does not. +=item B<--thpppt> + +Display the all-important Bill The Cat logo. Note that the exact +spelling of B<--thpppppt> is not important. It's checked against +a regular expression. + +=item B<--bar> + +Check with the admiral for traps. + +=item B<--cathy> + +Chocolate, Chocolate, Chocolate! + =back =head1 THE .ackrc FILE @@ -486,11 +1504,9 @@ Note that arguments with spaces in them do not need to be quoted, as they are not interpreted by the shell. Basically, each I in the F<.ackrc> file is interpreted as one element of C<@ARGV>. -F looks in your home directory for the F<.ackrc>. You can -specify another location with the F variable, below. - -If B<--noenv> is specified on the command line, the F<.ackrc> file -is ignored. +F looks in several locations for F<.ackrc> files; the searching +process is detailed in L. These +files are not considered if B<--noenv> is specified on the command line. =head1 Defining your own types @@ -503,69 +1519,97 @@ on one command line so that they can be easily copy & pasted. I searches for foo in all perl files. I tells you, that perl files are files ending in .pl, .pm, .pod or .t. So what if you would like to include .xs -files as well when searching for --perl files? I +files as well when searching for --perl files? I does this for you. B<--type-add> appends additional extensions to an existing type. If you want to define a new type, or completely redefine an existing -type, then use B<--type-set>. I defines the type I to include files with +type, then use B<--type-set>. I defines +the type I to include files with the extensions .e or .eiffel. So to search for all eiffel files -containing the word Bertrand use I. +containing the word Bertrand use I. As usual, you can also write B<--type=eiffel> instead of B<--eiffel>. Negation also works, so B<--noeiffel> excludes -all eiffel files from a search. Redefining also works: I +all eiffel files from a search. Redefining also works: I and I<.xs> files no longer belong to the type I. When defining your own types in the F<.ackrc> file you have to use the following: - --type-set=eiffel=.e,.eiffel + --type-set=eiffel:ext:e,eiffel or writing on separate lines --type-set - eiffel=.e,.eiffel + eiffel:ext:e,eiffel The following does B work in the F<.ackrc> file: - --type-set eiffel=.e,.eiffel + --type-set eiffel:ext:e,eiffel -In order to see all currently defined types, use I<--help types>, e.g. -I +In order to see all currently defined types, use I<--help-types>, e.g. +I -Restrictions: +In addition to filtering based on extension (like ack 1.x allowed), ack 2 +offers additional filter types. The generic syntax is +I<--type-set TYPE:FILTER:FILTERARGS>; I depends on the value +of I. =over 4 -=item +=item is:I -The types 'skipped', 'make', 'binary' and 'text' are considered "builtin" and -cannot be altered. +I filters match the target filename exactly. It takes exactly one +argument, which is the name of the file to match. -=item +Example: -The shebang line recognition of the types 'perl', 'ruby', 'php', 'python', -'shell' and 'xml' cannot be redefined by I<--type-set>, it is always -active. However, the shebang line is only examined for files where the -extension is not recognised. Therefore it is possible to say -I and -only find your shiny new I<.perl> files (and all files with unrecognized extension -and perl on the shebang line). + --type-set make:is:Makefile + +=item ext:I[,I[,...]] + +I filters match the extension of the target file against a list +of extensions. No leading dot is needed for the extensions. + +Example: + + --type-set perl:ext:pl,pm,t + +=item match:I + +I filters match the target filename against a regular expression. +The regular expression is made case insensitive for the search. + +Example: + + --type-set make:match:/(gnu)?makefile/ + +=item firstlinematch:I + +I matches the first line of the target file against a +regular expression. Like I, the regular expression is made +case insensitive. + +Example: + + --type-add perl:firstlinematch:/perl/ =back +More filter types may be made available in the future. + =head1 ENVIRONMENT VARIABLES -For commonly-used ack options, environment variables can make life much easier. -These variables are ignored if B<--noenv> is specified on the command line. +For commonly-used ack options, environment variables can make life +much easier. These variables are ignored if B<--noenv> is specified +on the command line. =over 4 =item ACKRC -Specifies the location of the F<.ackrc> file. If this file doesn't +Specifies the location of the user's F<.ackrc> file. If this file doesn't exist, F looks in the default location. =item ACK_OPTIONS @@ -597,6 +1641,15 @@ This option can also be set with B<--color-match>. See B for the color specifications. +=item ACK_COLOR_LINENO + +Specifies the color of the line number when printed in B<--color> +mode. By default, it's "bold yellow". + +This option can also be set with B<--color-lineno>. + +See B for the color specifications. + =item ACK_PAGER Specifies a pager program, such as C, C or C, to which @@ -625,14 +1678,19 @@ If you are not on Windows, you never need to use C. F integrates easily with the Vim text editor. Set this in your F<.vimrc> to use F instead of F: - set grepprg=ack\ -a + set grepprg=ack\ -k -That examples uses C<-a> to search through all files, but you may -use other default flags. Now you can search with F and easily -step through the results in Vim: +That example uses C<-k> to search through only files of the types ack +knows about, but you may use other default flags. Now you can search +with F and easily step through the results in Vim: :grep Dumper perllib +Miles Sterrett has written a Vim plugin for F which allows you to use +C<:Ack> instead of C<:grep>, as well as several other advanced features. + +L + =head2 Emacs integration Phil Jackson put together an F extension that "provides a @@ -675,11 +1733,18 @@ Your environment variables and F<.ackrc> may be doing things you're not expecting, or forgotten you specified. Use B<--noenv> to ignore your environment and F<.ackrc>. -=head2 Use B<-f> to see what files you're scanning +=head2 Use B<-f> to see what files have been selected -The reason I created B<-f> in the first place was as a debugging -tool. If ack is not finding matches you think it should find, run -F to see what files are being checked. +Ack's B<-f> was originally added as a debugging tool. If ack is +not finding matches you think it should find, run F to see +what files have been selected. You can also add the C<--show-types> +options to show the type of each file selected. + +=head2 Use B<--dump> + +This lists the ackrc files that are loaded and the options loaded +from them. +So for example you can find a list of directories that do not get searched or where filetypes are defined. =head1 TIPS @@ -701,7 +1766,7 @@ For example: or if you prefer: - perl -p -i -e's/this/thatg/' $(ack -f --perl) + perl -p -i -e's/this/that/g' $(ack -f --perl) =head2 Use F<-Q> when in doubt about metacharacters @@ -722,6 +1787,47 @@ The first ack finds only the lines in the Apache log for the given IP. The second finds the match on my troublesome GIF, and shows the previous five lines from the log in each case. +=head2 Examples of F<--output> + +Following variables are useful in the expansion string: + +=over 4 + +=item C<$&> + +The whole string matched by PATTERN. + +=item C<$1>, C<$2>, ... + +The contents of the 1st, 2nd ... bracketed group in PATTERN. + +=item C<$`> + +The string before the match. + +=item C<$'> + +The string after the match. + +=back + +For more details and other variables see +L. + +This example shows how to add text around a particular pattern +(in this case adding _ around word with "e") + + ack2.pl "\w*e\w*" quick.txt --output="$`_$&_$'" + _The_ quick brown fox jumps over the lazy dog + The quick brown fox jumps _over_ the lazy dog + The quick brown fox jumps over _the_ lazy dog + +This shows how to pick out particular parts of a match using ( ) within regular expression. + + ack '=head(\d+)\s+(.*)' --output=' $1 : $2' + input file contains "=head1 NAME" + output "1 : NAME" + =head2 Share your knowledge Join the ack-users mailing list. Send me your tips and I may add @@ -731,28 +1837,13 @@ them here. =head2 Why isn't ack finding a match in (some file)? -Probably because it's of a type that ack doesn't recognize. +Probably because it's of a type that ack doesn't recognize. ack's +searching behavior is driven by filetype. B -ack's searching behavior is driven by filetype. If ack doesn't -know what kind of file it is, ack ignores it. - -If you want ack to search files that it doesn't recognize, use the -C<-a> switch. - -If you want ack to search every file, even ones that it always -ignores like coredumps and backup files, use the C<-u> switch. - -=head2 Why does ack ignore unknown files by default? - -ack is designed by a programmer, for programmers, for searching -large trees of code. Most codebases have a lot files in them which -aren't source files (like compiled object files, source control -metadata, etc), and grep wastes a lot of time searching through all -of those as well and returning matches from those files. - -That's why ack's behavior of not searching things it doesn't recognize -is one of its greatest strengths: the speed you get from only -searching the things that you want to be looking at. +Use the C<-f> switch to see a list of files that ack will search +for you. You can use the C<--show-types> switch to show which type +ack thinks each file is. =head2 Wouldn't it be great if F did search & replace? @@ -762,14 +1853,15 @@ switches. You can certainly use ack to select your files to update. For example, to change all "foo" to "bar" in all PHP files, you can do -this form the Unix shell: +this from the Unix shell: $ perl -i -p -e's/foo/bar/g' $(ack -f --php) -=head2 Can you make ack recognize F<.xyz> files? +=head2 Can I make ack recognize F<.xyz> files? -That's an enhancement. Please see the section in the manual about -enhancements. +Yes! Please see L. If you think +that F should recognize a type by default, please see +L. =head2 There's already a program/package called ack. @@ -781,9 +1873,240 @@ The name of the program is "ack". Some packagers have called it "ack-grep" when creating packages because there's already a package out there called "ack" that has nothing to do with this ack. -I suggest you rename your ack-grep install to "ack" because one of -the crucial benefits of ack is having a name that's so short and -simple to type. +I suggest you make a symlink named F that points to F +because one of the crucial benefits of ack is having a name that's +so short and simple to type. + +To do that, run this with F or as root: + + ln -s /usr/bin/ack-grep /usr/bin/ack + +Alternatively, you could use a shell alias: + + # bash/zsh + alias ack=ack-grep + + # csh + alias ack ack-grep + +=head2 What does F mean? + +Nothing. I wanted a name that was easy to type and that you could +pronounce as a single syllable. + +=head2 Can I do multi-line regexes? + +No, ack does not support regexes that match multiple lines. Doing +so would require reading in the entire file at a time. + +If you want to see lines near your match, use the C<--A>, C<--B> +and C<--C> switches for displaying context. + +=head2 Why is ack telling me I have an invalid option when searching for C<+foo>? + +ack treats command line options beginning with C<+> or C<-> as options; if you +would like to search for these, you may prefix your search term with C<--> or +use the C<--match> option. (However, don't forget that C<+> is a regular +expression metacharacter!) + +=head2 Why does C<"ack '.{40000,}'"> fail? Isn't that a valid regex? + +The Perl language limits the repetition quanitifier to 32K. You +can search for C<.{32767}> but not C<.{32768}>. + +=head1 ACKRC LOCATION SEMANTICS + +Ack can load its configuration from many sources. This list +specifies the sources Ack looks for configuration; each one +that is found is loaded in the order specified here, and +each one overrides options set in any of the sources preceding +it. (For example, if I set --sort-files in my user ackrc, and +--nosort-files on the command line, the command line takes +precedence) + +=over 4 + +=item * + +Defaults are loaded from App::Ack::ConfigDefaults. This can be omitted +using C<--ignore-ack-defaults>. + +=item * Global ackrc + +Options are then loaded from the global ackrc. This is located at +C on Unix-like systems, and +C on Windows. +This can be omitted using C<--noenv>. + +=item * User ackrc + +Options are then loaded from the user's ackrc. This is located at +C<$HOME/.ackrc> on Unix-like systems, and +C. If a different +ackrc is desired, it may be overridden with the C<$ACKRC> environment +variable. +This can be omitted using C<--noenv>. + +=item * Project ackrc + +Options are then loaded from the project ackrc. The project ackrc is +the first ackrc file with the name C<.ackrc> or C<_ackrc>, first searching +in the current directory, then the parent directory, then the grandparent +directory, etc. This can be omitted using C<--noenv>. + +=item * --ackrc + +The C<--ackrc> option may be included on the command line to specify an +ackrc file that can override all others. It is consulted even if C<--noenv> +is present. + +=item * ACK_OPTIONS + +Options are then loaded from the environment variable C. This can +be omitted using C<--noenv>. + +=item * Command line + +Options are then loaded from the command line. + +=back + +=head1 DIFFERENCES BETWEEN ACK 1.X AND ACK 2.X + +A lot of changes were made for ack 2; here is a list of them. + +=head2 GENERAL CHANGES + +=over 4 + +=item * + +When no selectors are specified, ack 1.x only searches through files that +it can map to a file type. ack 2.x, by contrast, will search through +every regular, non-binary file that is not explicitly ignored via +B<--ignore-file> or B<--ignore-dir>. This is similar to the behavior of the +B<-a/--all> option in ack 1.x. + +=item * + +A more flexible filter system has been added, so that more powerful file types +may be created by the user. For details, please consult +L. + +=item * + +ack now loads multiple ackrc files; see L for +details. + +=item * + +ack's default filter definitions aren't special; you may tell ack to +completely disregard them if you don't like them. + +=back + +=head2 REMOVED OPTIONS + +=over 4 + +=item * + +Because of the change in default search behavior, the B<-a/--all> and +B<-u/--unrestricted> options have been removed. In addition, the +B<-k/--known-types> option was added to cause ack to behave with +the default search behavior of ack 1.x. + +=item * + +The B<-G> option has been removed. Two regular expressions on the +command line was considered too confusing; to simulate B<-G>'s functionality, +you may use the new B<-x> option to pipe filenames from one invocation of +ack into another. + +=item * + +The B<--binary> option has been removed. + +=item * + +The B<--skipped> option has been removed. + +=item * + +The B<--text> option has been removed. + +=item * + +The B<--invert-file-match> option has been removed. Instead, you may +use B<-v> with B<-g>. + +=back + +=head2 CHANGED OPTIONS + +=over 4 + +=item * + +The options that modify the regular expression's behavior (B<-i>, B<-w>, +B<-Q>, and B<-v>) may now be used with B<-g>. + +=back + +=head2 ADDED OPTIONS + +=over 4 + +=item * + +B<--files-from> was added so that a user may submit a list of filenames as +a list of files to search. + +=item * + +B<-x> was added to tell ack to accept a list of filenames via standard input; +this list is the list of filenames that will be used for the search. + +=item * + +B<-s> was added to tell ack to suppress error messages about non-existent or +unreadable files. + +=item * + +B<--ignore-directory> and B<--noignore-directory> were added as aliases for +B<--ignore-dir> and B<--noignore-dir> respectively. + +=item * + +B<--ignore-file> was added so that users may specify patterns of files to +ignore (ex. /.*~$/). + +=item * + +B<--dump> was added to allow users to easily find out which options are +set where. + +=item * + +B<--create-ackrc> was added so that users may create custom ackrc files based +on the default settings loaded by ack, and so that users may easily view those +defaults. + +=item * + +B<--type-del> was added to selectively remove file type definitions. + +=item * + +B<--ignore-ack-defaults> was added so that users may ignore ack's default +options in favor of their own. + +=item * + +B<--bar> was added so ack users may consult Admiral Ackbar. + +=back =head1 AUTHOR @@ -792,7 +2115,7 @@ Andy Lester, C<< >> =head1 BUGS Please report any bugs or feature requests to the issues list at -Github: L +Github: L =head1 ENHANCEMENTS @@ -802,7 +2125,7 @@ will not consider a request without it first getting seen by other ack users. This includes requests for new filetypes. There is a list of enhancements I want to make to F in the ack -issues list at Github: L +issues list at Github: L Patches are always welcome, but patches with tests get the most attention. @@ -815,11 +2138,15 @@ Support for and information about F can be found at: =item * The ack homepage -L +L + +=item * The ack-users mailing list + +L =item * The ack issues list at Github -L +L =item * AnnoCPAN: Annotated CPAN documentation @@ -835,7 +2162,7 @@ L =item * Git source repository -L +L =back @@ -844,6 +2171,36 @@ L How appropriate to have Inowledgements! Thanks to everyone who has contributed to ack in any way, including +Fraser Tweedale, +RaEl GundEn, +Steffen Jaeckel, +Stephan Hohe, +Michael Beijen, +Alexandr Ciornii, +Christian Walde, +Charles Lee, +Joe McMahon, +John Warwick, +David Steinbrunner, +Kara Martens, +Volodymyr Medvid, +Ron Savage, +Konrad Borowski, +Dale Sedivic, +Michael McClimon, +Andrew Black, +Ralph Bodenner, +Shaun Patterson, +Ryan Olson, +Shlomi Fish, +Karen Etheridge, +Olivier Mengue, +Matthew Wild, +Scott Kyle, +Nick Hooey, +Bo Borgerson, +Mark Szymanski, +Marq Schneider, Packy Anderson, JR Boyens, Dan Sully, @@ -900,40 +2257,2517 @@ David Alan Pisoni, Adriano Ferreira, James Keenan, Leland Johnson, -Ricardo Signes -and Pete Krawczyk. +Ricardo Signes, +Pete Krawczyk and +Rob Hoelz. =head1 COPYRIGHT & LICENSE -Copyright 2005-2009 Andy Lester. +Copyright 2005-2013 Andy Lester. This program is free software; you can redistribute it and/or modify -it under the terms of either: +it under the terms of the Artistic License v2.0. -=over 4 - -=item * the GNU General Public License as published by the Free -Software Foundation; either version 1, or (at your option) any later -version, or - -=item * the Artistic License version 2.0. - -=back +See http://www.perlfoundation.org/artistic_license_2_0 or the LICENSE.md +file that comes with the ack distribution. =cut +package App::Ack; + +use warnings; +use strict; + + +our $VERSION; +our $COPYRIGHT; +BEGIN { + $VERSION = '2.12'; + $COPYRIGHT = 'Copyright 2005-2013 Andy Lester.'; +} + +our $fh; + +BEGIN { + $fh = *STDOUT; +} + + +our %types; +our %type_wanted; +our %mappings; +our %ignore_dirs; + +our $is_filter_mode; +our $output_to_pipe; + +our $dir_sep_chars; +our $is_cygwin; +our $is_windows; + +use File::Spec 1.00015 (); + +BEGIN { + # These have to be checked before any filehandle diddling. + $output_to_pipe = not -t *STDOUT; + $is_filter_mode = -p STDIN; + + $is_cygwin = ($^O eq 'cygwin'); + $is_windows = ($^O eq 'MSWin32'); + $dir_sep_chars = $is_windows ? quotemeta( '\\/' ) : quotemeta( File::Spec->catfile( '', '' ) ); +} + + + +sub remove_dir_sep { + my $path = shift; + $path =~ s/[$dir_sep_chars]$//; + + return $path; +} + + + +sub warn { + return CORE::warn( _my_program(), ': ', @_, "\n" ); +} + + +sub die { + return CORE::die( _my_program(), ': ', @_, "\n" ); +} + +sub _my_program { + require File::Basename; + return File::Basename::basename( $0 ); +} + + + +sub filetypes_supported { + return keys %mappings; +} + +sub _get_thpppt { + my $y = q{_ /|,\\'!.x',=(www)=, U }; + $y =~ tr/,x!w/\nOo_/; + return $y; +} + +sub _thpppt { + my $y = _get_thpppt(); + App::Ack::print( "$y ack $_[0]!\n" ); + exit 0; +} + +sub _bar { + my $x; + $x = <<'_BAR'; + 6?!I'7!I"?%+! + 3~!I#7#I"7#I!?!+!="+"="+!:! + 2?#I!7!I!?#I!7!I"+"=%+"=# + 1?"+!?*+!=#~"=!+#?"="+! + 0?"+!?"I"?&+!="~!=!~"=!+%="+" + /I!+!?)+!?!+!=$~!=!~!="+!="+"?!="?! + .?%I"?%+%='?!=#~$=" + ,,!?%I"?(+$=$~!=#:"~$:!~! + ,I!?!I!?"I"?!+#?"+!?!+#="~$:!~!:!~!:!,!:!,":#~! + +I!?&+!="+!?#+$=!~":!~!:!~!:!,!:#,!:!,%:" + *+!I!?!+$=!+!=!+!?$+#=!~":!~":#,$:",#:!,!:! + *I!?"+!?!+!=$+!?#+#=#~":$,!:",!:!,&:" + )I!?$=!~!=#+"?!+!=!+!=!~!="~!:!~":!,'.!,%:!~! + (=!?"+!?!=!~$?"+!?!+!=#~"=",!="~$,$.",#.!:!=! + (I"+"="~"=!+&=!~"=!~!,!~!+!=!?!+!?!=!I!?!+"=!.",!.!,":! + %I$?!+!?!=%+!~!+#~!=!~#:#=!~!+!~!=#:!,%.!,!.!:" + $I!?!=!?!I!+!?"+!=!~!=!~!?!I!?!=!+!=!~#:",!~"=!~!:"~!=!:",&:" '-/ + $?!+!I!?"+"=!+"~!,!:"+#~#:#,"=!~"=!,!~!,!.",!:".!:! */! !I!t!'!s! !a! !g!r!e!p!!! !/! + $+"=!+!?!+"~!=!:!~!:"I!+!,!~!=!:!~!,!:!,$:!~".&:"~!,# (-/ + %~!=!~!=!:!.!+"~!:!,!.!,!~!=!:$.!,":!,!.!:!~!,!:!=!.#="~!,!:" ./! + %=!~!?!+"?"+!=!~",!.!:!?!~!.!:!,!:!,#.!,!:","~!:!=!~!=!:",!~! ./! + %+"~":!~!=#~!:!~!,!.!~!:",!~!=!~!.!:!,!.",!:!,":!=":!.!,!:!7! -/! + %~",!:".#:!=!:!,!:"+!:!~!:!.!,!~!,!.#,!.!,$:"~!,":"~!=! */! + &=!~!=#+!=!~",!.!:",#:#,!.",+:!,!.",!=!+!?! + &~!=!~!=!~!:"~#:",!.!,#~!:!.!+!,!.",$.",$.#,!+!I!?! + &~!="~!:!~":!~",!~!=!~":!,!:!~!,!:!,&.$,#."+!?!I!?!I! + &~!=!~!=!+!,!:!~!:!=!,!:!~&:$,!.!,".!,".!,#."~!+!?$I! + &~!=!~!="~!=!:!~":!,!~%:#,!:",!.!,#.",#I!7"I!?!+!?"I" + &+!I!7!:#~"=!~!:!,!:"~$.!=!.!,!~!,$.#,!~!7!I#?!+!?"I"7! + %7#?!+!~!:!=!~!=!~":!,!:"~":#.!,)7#I"?"I!7& + %7#I!=":!=!~!:"~$:"~!:#,!:!,!:!~!:#,!7#I!?#7) + $7$+!,!~!=#~!:!~!:!~$:#,!.!~!:!=!,":!7#I"?#7+=!?! + $7#I!~!,!~#=!~!:"~!:!,!:!,#:!=!~",":!7$I!?#I!7*+!=!+" + "I!7$I!,":!,!.!=":$,!:!,$:$7$I!+!?"I!7+?"I!7!I!7!,! + !,!7%I!:",!."~":!,&.!,!:!~!I!7$I!+!?"I!7,?!I!7',! + !7(,!.#~":!,%.!,!7%I!7!?#I"7,+!?!7* +7+:!,!~#,"=!7'I!?#I"7/+!7+ +77I!+!7!?!7!I"71+!7, +_BAR + + App::Ack::__pic($x); +} + +sub _cathy { + my $x = <<'CATHY'; + 0+!--+! + 0|! "C!H!O!C!O!L!A!T!E!!! !|! + 0|! "C!H!O!C!O!L!A!T!E!!! !|! + 0|! "C!H!O!C!O!L!A!T!E!!! !|! + 0|! $A"C!K!!! $|! + 0+!--+! + 6\! 1:!,!.! ! + 7\! /.!M!~!Z!M!~! + 8\! /~!D! "M! ! + 4.! $\! /M!~!.!8! +.!M# 4 + 0,!.! (\! .~!M!N! ,+!I!.!M!.! 3 + /?!O!.!M!:! '\! .O!.! +~!Z!=!N!.! 4 + ..! !D!Z!.!Z!.! '\! 9=!M".! 6 + /.! !.!~!M".! '\! 8~! 9 + 4M!.! /.!7!N!M!.! F + 4.! &:!M! !N"M# !M"N!M! #D!M&=! = + :M!7!M#:! !~!M!7!,!$!M!:! #.! !O!N!.!M!:!M# ; + 8Z!M"~!N!$!D!.!N!?! !I!N!.! (?!M! !M!,!D!M".! 9 + (?!Z!M!N!:! )=!M!O!8!.!M!+!M! !M!,! !O!M! +,!M!.!M!~!Z!N!M!:! &:!~! 0 + &8!7!.!~!M"D!M!,! &M!?!=!8! !M!,!O! !M!+! !+!O!.!M! $M#~! !.!8!M!Z!.!M! !O!M"Z! %:!~!M!Z!M!Z!.! + + &:!M!7!,! *M!.!Z!M! !8"M!.!M!~! !.!M!.!=! #~!8!.!M! !7!M! "N!Z#I! !D!M!,!M!.! $."M!,! !M!.! * + 2$!O! "N! !.!M!I! !7" "M! "+!O! !~!M! !d!O!.!7!I!M!.! !.!O!=!M!.! !M",!M!.! %.!$!O!D! + + 1~!O! "M!+! !8!$! "M! "?!O! %Z!8!D!M!?!8!I!O!7!M! #M!.!M! "M",!M! 4 + 07!~! ".!8! !.!M! "I!+! !.!M! &Z!D!.!7!=!M! !:!.!M! #:!8"+! !.!+!8! !8! 3 + /~!M! #N! !~!M!$! !.!M! !.!M" &~!M! "~!M!O! "D! $M! !8! "M!,!M!+!D!.! 1 + #.! #?!M!N!.! #~!O! $M!.!7!$! "?" !?!~!M! '7!8!?!M!.!+!M"O! $?"$!D! !.!O! !$!7!I!.! 0 + $,!M!:!O!?! ".! !?!=! $=!:!O! !M! "M! !M! !+!$! (.! +.!M! !M!.! !8! !+"Z!~! $:!M!$! !.! ' + #.!8!.!I!$! $7!I! %M" !=!M! !~!M!D! "7!I! .I!O! %?!=!,!D! !,!M! !D!~!8!~! %D!M! ( + #.!M"?! $=!O! %=!N! "8!.! !Z!M! #M!~! (M!:! #.!M" &O! !M!.! !?!,! !8!.!N!~! $8!N!M!,!.! % + *$!O! &M!,! "O! !.!M!.! #M! (~!M( &O!.! !7! "M! !.!M!.!M!,! #.!M! !M! & + )=!8!.! $.!M!O!.! "$!.!I!N! !I!M# (7!M(I! %D"Z!M! "=!I! "M! !M!:! #~!D! ' + )D! &8!N!:! ".!O! !M!="M! "M! (7!M) %." !M!D!."M!.! !$!=! !M!,! + + (M! &+!.!M! #Z!7!O!M!.!~!8! +,!M#D!?!M#D! #.!Z!M#,!Z!?! !~!N! "N!.! !M! + + 'D!:! %$!D! !?! #M!Z! !8!.! !M"?!7!?!7! '+!I!D! !?!O!:!M!:! ":!M!:! !M!7".!M! "8!+! !:!D! !.!M! * + %.!O!:! $.!O!+! !D!.! #M! "M!.!+!N!I!Z! "7!M!N!M!N!?!I!7!Z!=!M'D"~! #M!.!8!$! !:! !.!M! "N!?! !,!O! ) + !.!?!M!:!M!I! %8!,! "M!.! #M! "N! !M!.! !M!.! !+!~! !.!M!.! ':!M! $M! $M!Z!$! !M!.! "D! "M! "?!M! ( + !7!8! !+!I! ".! "$!=! ":!$! "+! !M!.! !O! !M!I!M".! !=!~! ",!O! '=!M! $$!,! #N!:! ":!8!.! !D!~! !,!M!.! !:!M!.! & + !:!,!.! &Z" #D! !.!8!."M!.! !8!?!Z!M!.!M! #Z!~! !?!M!Z!.! %~!O!.!8!$!N!8!O!I!:!~! !+! #M!.! !.!M!.! !+!M! ".!~!M!+! $ + !.! 'D!I! #?!M!.!M!,! !.!Z! !.!8! #M&O!I!?! (~!I!M"." !M!Z!.! !M!N!.! "+!$!.! "M!.! !M!?!.! "8!M! $ + (O!8! $M! !M!.! ".!:! !+!=! #M! #.!M! !+" *$!M":!.! !M!~! "M!7! #M! #7!Z! "M"$!M!.! !.! # + '$!Z! #.!7!+!M! $.!,! !+!:! #N! #.!M!.!+!M! +D!M! #=!N! ":!O! #=!M! #Z!D! $M!I! % + $,! ".! $.!M" %$!.! !?!~! "+!7!." !.!M!,! !M! *,!N!M!.$M!?! "D!,! #M!.! #N! + + ,M!Z! &M! "I!,! "M! %I!M! !?!=!.! (Z!8!M! $:!M!.! !,!M! $D! #.!M!.! ) + +8!O! &.!8! "I!,! !~!M! &N!M! !M!D! '?!N!O!." $?!7! "?!~! #M!.! #I!D!.! ( + 3M!,! "N!.! !D" &.!+!M!.! !M":!.":!M!7!M!D! 'M!.! "M!.! "M!,! $I! ) + 3I! #M! "M!,! !:! &.!M" ".!,! !.!$!M!I! #.! !:! !.!M!?! "N!+! ".! / + 1M!,! #.!M!8!M!=!.! +~!N"O!Z"~! *+!M!.! "M! 2 + 0.!M! &M!.! 8:! %.!M!Z! "M!=! *O!,! % + 0?!$! &N! )." .,! %."M! ":!M!.! 0 + 0N!:! %?!O! #.! ..! &,! &.!D!,! "N!I! 0 +CATHY + App::Ack::__pic($x); +} + +sub __pic { + my($compressed) = @_; + $compressed =~ s/(.)(.)/$1x(ord($2)-32)/eg; + App::Ack::print( $compressed ); + exit 0; +} + + +sub show_help { + my $help_arg = shift || 0; + + return show_help_types() if $help_arg =~ /^types?/; + + App::Ack::print( <<"END_OF_HELP" ); +Usage: ack [OPTION]... PATTERN [FILES OR DIRECTORIES] + +Search for PATTERN in each source file in the tree from the current +directory on down. If any files or directories are specified, then +only those files and directories are checked. ack may also search +STDIN, but only if no file or directory arguments are specified, +or if one of them is "-". + +Default switches may be specified in ACK_OPTIONS environment variable or +an .ackrc file. If you want no dependency on the environment, turn it +off with --noenv. + +Example: ack -i select + +Searching: + -i, --ignore-case Ignore case distinctions in PATTERN + --[no]smart-case Ignore case distinctions in PATTERN, + only if PATTERN contains no upper case. + Ignored if -i is specified + -v, --invert-match Invert match: select non-matching lines + -w, --word-regexp Force PATTERN to match only whole words + -Q, --literal Quote all metacharacters; PATTERN is literal + +Search output: + --lines=NUM Only print line(s) NUM of each file + -l, --files-with-matches Only print filenames containing matches + -L, --files-without-matches Only print filenames with no matches + --output=expr Output the evaluation of expr for each line + (turns off text highlighting) + -o Show only the part of a line matching PATTERN + Same as --output='\$&' + --passthru Print all lines, whether matching or not + --match PATTERN Specify PATTERN explicitly. + -m, --max-count=NUM Stop searching in each file after NUM matches + -1 Stop searching after one match of any kind + -H, --with-filename Print the filename for each match (default: + on unless explicitly searching a single file) + -h, --no-filename Suppress the prefixing filename on output + -c, --count Show number of lines matching per file + --[no]column Show the column number of the first match + + -A NUM, --after-context=NUM Print NUM lines of trailing context after + matching lines. + -B NUM, --before-context=NUM Print NUM lines of leading context before + matching lines. + -C [NUM], --context[=NUM] Print NUM lines (default 2) of output context. + + --print0 Print null byte as separator between filenames, + only works with -f, -g, -l, -L or -c. + + -s Suppress error messages about nonexistent or + unreadable files. + + +File presentation: + --pager=COMMAND Pipes all ack output through COMMAND. For + example, --pager="less -R". Ignored if output + is redirected. + --nopager Do not send output through a pager. Cancels + any setting in ~/.ackrc, ACK_PAGER or + ACK_PAGER_COLOR. + --[no]heading Print a filename heading above each file's + results. (default: on when used interactively) + --[no]break Print a break between results from different + files. (default: on when used interactively) + --group Same as --heading --break + --nogroup Same as --noheading --nobreak + --[no]color Highlight the matching text (default: on unless + output is redirected, or on Windows) + --[no]colour Same as --[no]color + --color-filename=COLOR + --color-match=COLOR + --color-lineno=COLOR Set the color for filenames, matches, and line + numbers. + --flush Flush output immediately, even when ack is used + non-interactively (when output goes to a pipe or + file). + + +File finding: + -f Only print the files selected, without + searching. The PATTERN must not be specified. + -g Same as -f, but only select files matching + PATTERN. + --sort-files Sort the found files lexically. + --show-types Show which types each file has. + --files-from=FILE Read the list of files to search from FILE. + -x Read the list of files to search from STDIN. + +File inclusion/exclusion: + --[no]ignore-dir=name Add/remove directory from list of ignored dirs + --[no]ignore-directory=name Synonym for ignore-dir + --ignore-file=filter Add filter for ignoring files + -r, -R, --recurse Recurse into subdirectories (default: on) + -n, --no-recurse No descending into subdirectories + --[no]follow Follow symlinks. Default is off. + -k, --known-types Include only files of types that ack recognizes. + + --type=X Include only X files, where X is a recognized + filetype. + --type=noX Exclude X files. + See "ack --help-types" for supported filetypes. + +File type specification: + --type-set TYPE:FILTER:FILTERARGS + Files with the given FILTERARGS applied to the + given FILTER are recognized as being of type + TYPE. This replaces an existing definition for + type TYPE. + --type-add TYPE:FILTER:FILTERARGS + Files with the given FILTERARGS applied to the + given FILTER are recognized as being type TYPE. + --type-del TYPE Removes all filters associated with TYPE. + + +Miscellaneous: + --[no]env Ignore environment variables and global ackrc + files. --env is legal but redundant. + --ackrc=filename Specify an ackrc file to use + --ignore-ack-defaults Ignore default definitions included with ack. + --create-ackrc Outputs a default ackrc for your customization + to standard output. + --help, -? This help + --help-types Display all known types + --dump Dump information on which options are loaded + from which RC files + --[no]filter Force ack to treat standard input as a pipe + (--filter) or tty (--nofilter) + --man Man page + --version Display version & copyright + --thpppt Bill the Cat + --bar The warning admiral + --cathy Chocolate! Chocolate! Chocolate! + +Exit status is 0 if match, 1 if no match. + +This is version $VERSION of ack. +END_OF_HELP + + return; + } + + + +sub show_help_types { + App::Ack::print( <<'END_OF_HELP' ); +Usage: ack [OPTION]... PATTERN [FILES OR DIRECTORIES] + +The following is the list of filetypes supported by ack. You can +specify a file type with the --type=TYPE format, or the --TYPE +format. For example, both --type=perl and --perl work. + +Note that some extensions may appear in multiple types. For example, +.pod files are both Perl and Parrot. + +END_OF_HELP + + my @types = filetypes_supported(); + my $maxlen = 0; + for ( @types ) { + $maxlen = length if $maxlen < length; + } + for my $type ( sort @types ) { + next if $type =~ /^-/; # Stuff to not show + my $ext_list = $mappings{$type}; + + if ( ref $ext_list ) { + $ext_list = join( '; ', map { $_->to_string } @{$ext_list} ); + } + App::Ack::print( sprintf( " --[no]%-*.*s %s\n", $maxlen, $maxlen, $type, $ext_list ) ); + } + + return; +} + +sub show_man { + require Pod::Usage; + + Pod::Usage::pod2usage({ + -input => $App::Ack::orig_program_name, + -verbose => 2, + -exitval => 0, + }); + + return; +} + + +sub get_version_statement { + require Config; + + my $copyright = get_copyright(); + my $this_perl = $Config::Config{perlpath}; + if ($^O ne 'VMS') { + my $ext = $Config::Config{_exe}; + $this_perl .= $ext unless $this_perl =~ m/$ext$/i; + } + my $ver = sprintf( '%vd', $^V ); + + return <<"END_OF_VERSION"; +ack ${VERSION} +Running under Perl $ver at $this_perl + +$copyright + +This program is free software. You may modify or distribute it +under the terms of the Artistic License v2.0. +END_OF_VERSION +} + + +sub print_version_statement { + App::Ack::print( get_version_statement() ); + + return; +} + + +sub get_copyright { + return $COPYRIGHT; +} + + +# print subs added in order to make it easy for a third party +# module (such as App::Wack) to redefine the display methods +# and show the results in a different way. +sub print { print {$fh} @_; return; } +sub print_first_filename { App::Ack::print( $_[0], "\n" ); return; } +sub print_blank_line { App::Ack::print( "\n" ); return; } +sub print_separator { App::Ack::print( "--\n" ); return; } +sub print_filename { App::Ack::print( $_[0], $_[1] ); return; } +sub print_line_no { App::Ack::print( $_[0], $_[1] ); return; } +sub print_column_no { App::Ack::print( $_[0], $_[1] ); return; } +sub print_count { + my $filename = shift; + my $nmatches = shift; + my $ors = shift; + my $count = shift; + my $show_filename = shift; + + if ($show_filename) { + App::Ack::print( $filename ); + App::Ack::print( ':', $nmatches ) if $count; + } + else { + App::Ack::print( $nmatches ) if $count; + } + App::Ack::print( $ors ); + + return; +} + +sub print_count0 { + my $filename = shift; + my $ors = shift; + my $show_filename = shift; + + if ($show_filename) { + App::Ack::print( $filename, ':0', $ors ); + } + else { + App::Ack::print( '0', $ors ); + } + + return; +} + +sub set_up_pager { + my $command = shift; + + return if App::Ack::output_to_pipe(); + + my $pager; + if ( not open( $pager, '|-', $command ) ) { + App::Ack::die( qq{Unable to pipe to pager "$command": $!} ); + } + $fh = $pager; + + return; +} + + +sub output_to_pipe { + return $output_to_pipe; +} + + +sub exit_from_ack { + my $nmatches = shift; + + my $rc = $nmatches ? 0 : 1; + exit $rc; +} + + + +1; # End of App::Ack +package App::Ack::Resource; + + +use warnings; +use strict; +use overload + '""' => 'name'; + +sub FAIL { + require Carp; + Carp::confess( 'Must be overloaded' ); +} + + +sub new { + return FAIL(); +} + + +sub name { + return FAIL(); +} + + +sub is_binary { + return FAIL(); +} + + +sub open { + return FAIL(); +} + + +sub needs_line_scan { + return FAIL(); +} + + +sub reset { + return FAIL(); +} + + +sub close { + return FAIL(); +} + + +sub clone { + return FAIL(); +} + + +sub firstliney { + return FAIL(); +} + +1; +package App::Ack::Resources; + + + +use warnings; +use strict; + + +sub from_argv { + my $class = shift; + my $opt = shift; + my $start = shift; + + my $self = bless {}, $class; + + my $file_filter = undef; + my $descend_filter = $opt->{descend_filter}; + + if( $opt->{n} ) { + $descend_filter = sub { + return 0; + }; + } + + $self->{iter} = + File::Next::files( { + file_filter => $opt->{file_filter}, + descend_filter => $descend_filter, + error_handler => sub { my $msg = shift; App::Ack::warn( $msg ) }, + sort_files => $opt->{sort_files}, + follow_symlinks => $opt->{follow}, + }, @{$start} ); + + return $self; +} + + +sub from_file { + my $class = shift; + my $opt = shift; + my $file = shift; + + my $iter = + File::Next::from_file( { + error_handler => sub { my $msg = shift; App::Ack::warn( $msg ) }, + warning_handler => sub { my $msg = shift; App::Ack::warn( $msg ) }, + sort_files => $opt->{sort_files}, + }, $file ) or return undef; + + return bless { + iter => $iter, + }, $class; +} + +# This is for reading input lines from STDIN, not the list of files from STDIN +sub from_stdin { + my $class = shift; + my $opt = shift; + + my $self = bless {}, $class; + + my $has_been_called = 0; + + $self->{iter} = sub { + if ( !$has_been_called ) { + $has_been_called = 1; + return '-'; + } + return; + }; + + return $self; +} + +sub next { + my $self = shift; + + my $file = $self->{iter}->() or return; + + return App::Ack::Resource::Basic->new( $file ); +} + +1; +package App::Ack::Resource::Basic; + + +use warnings; +use strict; + +use Fcntl (); + +BEGIN { + our @ISA = 'App::Ack::Resource'; +} + + +sub new { + my $class = shift; + my $filename = shift; + + my $self = bless { + filename => $filename, + fh => undef, + opened => 0, + }, $class; + + if ( $self->{filename} eq '-' ) { + $self->{fh} = *STDIN; + $self->{opened} = 1; + } + + return $self; +} + + +sub name { + return $_[0]->{filename}; +} + + + +sub needs_line_scan { + my $self = shift; + my $opt = shift; + + return 1 if $opt->{v}; + + my $size = -s $self->{fh}; + if ( $size == 0 ) { + return 0; + } + elsif ( $size > 100_000 ) { + return 1; + } + + my $buffer; + my $rc = sysread( $self->{fh}, $buffer, $size ); + if ( !defined($rc) && $App::Ack::report_bad_filenames ) { + App::Ack::warn( "$self->{filename}: $!" ); + return 1; + } + return 0 unless $rc && ( $rc == $size ); + + my $regex = $opt->{regex}; + return $buffer =~ /$regex/m; +} + + +sub reset { + my $self = shift; + + # return if we haven't opened the file yet + if ( !defined($self->{fh}) ) { + return; + } + + if( !seek( $self->{fh}, 0, 0 ) && $App::Ack::report_bad_filenames ) { + App::Ack::warn( "$self->{filename}: $!" ); + } + + return; +} + + +sub close { + my $self = shift; + + # return if we haven't opened the file yet + if ( !defined($self->{fh}) ) { + return; + } + + if ( !close($self->{fh}) && $App::Ack::report_bad_filenames ) { + App::Ack::warn( $self->name() . ": $!" ); + } + + $self->{opened} = 0; + + return; +} + + +sub clone { + my ( $self ) = @_; + + return __PACKAGE__->new($self->name); +} + +sub firstliney { + my ( $self ) = @_; + + my $fh = $self->open(); + + unless(exists $self->{firstliney}) { + my $buffer = ''; + my $rc = sysread( $fh, $buffer, 250 ); + unless($rc) { # XXX handle this better? + $buffer = ''; + } + $buffer =~ s/[\r\n].*//s; + $self->{firstliney} = $buffer; + $self->reset; + } + + $self->close; + + return $self->{firstliney}; +} + +sub open { + my ( $self ) = @_; + + return $self->{fh} if $self->{opened}; + + unless ( open $self->{fh}, '<', $self->{filename} ) { + return; + } + + $self->{opened} = 1; + + return $self->{fh}; +} + +1; +package App::Ack::ConfigDefault; + +use warnings; +use strict; + +sub options { + my @options = split( /\n/, _options_block() ); + @options = grep { /./ && !/^#/ } @options; + + return @options; +} + +sub _options_block { + return <<'HERE'; +# This is the default ackrc for ack 2.0 + +# There are four different ways to match +# +# is: Match the filename exactly +# +# ext: Match the extension of the filename exactly +# +# match: Match the filename against a Perl regular expression +# +# firstlinematch: Match the first 250 characters of the first line +# of text against a Perl regular expression. This is only for +# the --type-add option. + + +### Directories to ignore + +# Bazaar +--ignore-directory=is:.bzr + +# Codeville +--ignore-directory=is:.cdv + +# Interface Builder +--ignore-directory=is:~.dep +--ignore-directory=is:~.dot +--ignore-directory=is:~.nib +--ignore-directory=is:~.plst + +# Git +--ignore-directory=is:.git + +# Mercurial +--ignore-directory=is:.hg + +# quilt +--ignore-directory=is:.pc + +# Subversion +--ignore-directory=is:.svn + +# Monotone +--ignore-directory=is:_MTN + +# CVS +--ignore-directory=is:CVS + +# RCS +--ignore-directory=is:RCS + +# SCCS +--ignore-directory=is:SCCS + +# darcs +--ignore-directory=is:_darcs + +# Vault/Fortress +--ignore-directory=is:_sgbak + +# autoconf +--ignore-directory=is:autom4te.cache + +# Perl module building +--ignore-directory=is:blib +--ignore-directory=is:_build + +# Perl Devel::Cover module's output directory +--ignore-directory=is:cover_db + +# Node modules created by npm +--ignore-directory=is:node_modules + +# CMake cache +--ignore-directory=is:CMakeFiles + +# Eclipse workspace folder +--ignore-directory=is:.metadata + +### Files to ignore + +# Backup files +--ignore-file=ext:bak +--ignore-file=match:/~$/ + +# Emacs swap files +--ignore-file=match:/^#.+#$/ + +# vi/vim swap files +--ignore-file=match:/[._].*\.swp$/ + +# core dumps +--ignore-file=match:/core\.\d+$/ + +# minified Javascript +--ignore-file=match:/[.-]min[.]js$/ +--ignore-file=match:/[.]js[.]min$/ + +# minified CSS +--ignore-file=match:/[.]min[.]css$/ +--ignore-file=match:/[.]css[.]min$/ + +# PDFs, because they pass Perl's -T detection +--ignore-file=ext:pdf + +# Common graphics, just as an optimization +--ignore-file=ext:gif,jpg,jpeg,png + + +### Filetypes defined + +# Perl http://perl.org/ +--type-add=perl:ext:pl,pm,pod,t,psgi +--type-add=perl:firstlinematch:/^#!.*\bperl/ + +# Perl tests +--type-add=perltest:ext:t + +# Makefiles http://www.gnu.org/s/make/ +--type-add=make:ext:mk +--type-add=make:ext:mak +--type-add=make:is:makefile +--type-add=make:is:Makefile +--type-add=make:is:GNUmakefile + +# Rakefiles http://rake.rubyforge.org/ +--type-add=rake:is:Rakefile + +# CMake http://www.cmake.org/ +--type-add=cmake:is:CMakeLists.txt +--type-add=cmake:ext:cmake + +# Actionscript +--type-add=actionscript:ext:as,mxml + +# Ada http://www.adaic.org/ +--type-add=ada:ext:ada,adb,ads + +# ASP http://msdn.microsoft.com/en-us/library/aa286483.aspx +--type-add=asp:ext:asp + +# ASP.Net http://www.asp.net/ +--type-add=aspx:ext:master,ascx,asmx,aspx,svc + +# Assembly +--type-add=asm:ext:asm,s + +# Batch +--type-add=batch:ext:bat,cmd + +# ColdFusion http://en.wikipedia.org/wiki/ColdFusion +--type-add=cfmx:ext:cfc,cfm,cfml + +# Clojure http://clojure.org/ +--type-add=clojure:ext:clj + +# C +# .xs are Perl C files +--type-add=cc:ext:c,h,xs + +# C header files +--type-add=hh:ext:h + +# CoffeeScript http://coffeescript.org/ +--type-add=coffeescript:ext:coffee + +# C++ +--type-add=cpp:ext:cpp,cc,cxx,m,hpp,hh,h,hxx + +# C# +--type-add=csharp:ext:cs + +# CSS http://www.w3.org/Style/CSS/ +--type-add=css:ext:css + +# Dart http://www.dartlang.org/ +--type-add=dart:ext:dart + +# Delphi http://en.wikipedia.org/wiki/Embarcadero_Delphi +--type-add=delphi:ext:pas,int,dfm,nfm,dof,dpk,dproj,groupproj,bdsgroup,bdsproj + +# Elixir http://elixir-lang.org/ +--type-add=elixir:ext:ex,exs + +# Emacs Lisp http://www.gnu.org/software/emacs +--type-add=elisp:ext:el + +# Erlang http://www.erlang.org/ +--type-add=erlang:ext:erl,hrl + +# Fortran http://en.wikipedia.org/wiki/Fortran +--type-add=fortran:ext:f,f77,f90,f95,f03,for,ftn,fpp + +# Google Go http://golang.org/ +--type-add=go:ext:go + +# Groovy http://groovy.codehaus.org/ +--type-add=groovy:ext:groovy,gtmpl,gpp,grunit,gradle + +# Haskell http://www.haskell.org/ +--type-add=haskell:ext:hs,lhs + +# HTML +--type-add=html:ext:htm,html + +# Java http://www.oracle.com/technetwork/java/index.html +--type-add=java:ext:java,properties + +# JavaScript +--type-add=js:ext:js + +# JSP http://www.oracle.com/technetwork/java/javaee/jsp/index.html +--type-add=jsp:ext:jsp,jspx,jhtm,jhtml + +# JSON http://www.json.org/ +--type-add=json:ext:json + +# Less http://www.lesscss.org/ +--type-add=less:ext:less + +# Common Lisp http://common-lisp.net/ +--type-add=lisp:ext:lisp,lsp + +# Lua http://www.lua.org/ +--type-add=lua:ext:lua +--type-add=lua:firstlinematch:/^#!.*\blua(jit)?/ + +# Objective-C +--type-add=objc:ext:m,h + +# Objective-C++ +--type-add=objcpp:ext:mm,h + +# OCaml http://caml.inria.fr/ +--type-add=ocaml:ext:ml,mli + +# Matlab http://en.wikipedia.org/wiki/MATLAB +--type-add=matlab:ext:m + +# Parrot http://www.parrot.org/ +--type-add=parrot:ext:pir,pasm,pmc,ops,pod,pg,tg + +# PHP http://www.php.net/ +--type-add=php:ext:php,phpt,php3,php4,php5,phtml +--type-add=php:firstlinematch:/^#!.*\bphp/ + +# Plone http://plone.org/ +--type-add=plone:ext:pt,cpt,metadata,cpy,py + +# Python http://www.python.org/ +--type-add=python:ext:py +--type-add=python:firstlinematch:/^#!.*\bpython/ + +# R http://www.r-project.org/ +--type-add=rr:ext:R + +# Ruby http://www.ruby-lang.org/ +--type-add=ruby:ext:rb,rhtml,rjs,rxml,erb,rake,spec +--type-add=ruby:is:Rakefile +--type-add=ruby:firstlinematch:/^#!.*\bruby/ + +# Rust http://www.rust-lang.org/ +--type-add=rust:ext:rs + +# Sass http://sass-lang.com +--type-add=sass:ext:sass,scss + +# Scala http://www.scala-lang.org/ +--type-add=scala:ext:scala + +# Scheme http://groups.csail.mit.edu/mac/projects/scheme/ +--type-add=scheme:ext:scm,ss + +# Shell +--type-add=shell:ext:sh,bash,csh,tcsh,ksh,zsh,fish +--type-add=shell:firstlinematch:/^#!.*\b(?:ba|t?c|k|z|fi)?sh\b/ + +# Smalltalk http://www.smalltalk.org/ +--type-add=smalltalk:ext:st + +# SQL http://www.iso.org/iso/catalogue_detail.htm?csnumber=45498 +--type-add=sql:ext:sql,ctl + +# Tcl http://www.tcl.tk/ +--type-add=tcl:ext:tcl,itcl,itk + +# LaTeX http://www.latex-project.org/ +--type-add=tex:ext:tex,cls,sty + +# Template Toolkit http://template-toolkit.org/ +--type-add=tt:ext:tt,tt2,ttml + +# Visual Basic +--type-add=vb:ext:bas,cls,frm,ctl,vb,resx + +# Verilog +--type-add=verilog:ext:v,vh,sv + +# VHDL http://www.eda.org/twiki/bin/view.cgi/P1076/WebHome +--type-add=vhdl:ext:vhd,vhdl + +# Vim http://www.vim.org/ +--type-add=vim:ext:vim + +# XML http://www.w3.org/TR/REC-xml/ +--type-add=xml:ext:xml,dtd,xsl,xslt,ent +--type-add=xml:firstlinematch:/<[?]xml/ + +# YAML http://yaml.org/ +--type-add=yaml:ext:yaml,yml +HERE +} + +1; +package App::Ack::ConfigFinder; + + +use strict; +use warnings; + +use Cwd 3.00 (); +use File::Spec 3.00; + +use if ($^O eq 'MSWin32'), 'Win32'; + + +sub new { + my ( $class ) = @_; + + return bless {}, $class; +} + +sub _remove_redundancies { + my ( @configs ) = @_; + + if ( $App::Ack::is_windows ) { + # inode stat always returns 0 on windows, so just check filenames. + my (%seen, @uniq); + + foreach my $path (map { $_->{path} } @configs) { + push @uniq, $path unless $seen{$path}; + $seen{$path} = 1; + } + + return @uniq; + } + + else { + + my %dev_and_inode_seen; + + foreach my $config ( @configs ) { + my $path = $config->{path}; + my ( $dev, $inode ) = (stat $path)[0, 1]; + + if( defined($dev) ) { + if( $dev_and_inode_seen{"$dev:$inode"} ) { + undef $config; + } + else { + $dev_and_inode_seen{"$dev:$inode"} = 1; + } + } + } + + return grep { defined() } @configs; + + } +} + +sub _check_for_ackrc { + return unless defined $_[0]; + + my @files = grep { -f } + map { File::Spec->catfile(@_, $_) } + qw(.ackrc _ackrc); + + die File::Spec->catdir(@_) . " contains both .ackrc and _ackrc.\n" . + "Please remove one of those files.\n" + if @files > 1; + + return wantarray ? @files : $files[0]; +} # end _check_for_ackrc + + +sub find_config_files { + my @config_files; + + if ( $App::Ack::is_windows ) { + push @config_files, map { +{ path => File::Spec->catfile($_, 'ackrc') } } ( + Win32::GetFolderPath(Win32::CSIDL_COMMON_APPDATA()), + Win32::GetFolderPath(Win32::CSIDL_APPDATA()), + ); + } + else { + push @config_files, { path => '/etc/ackrc' }; + } + + + if ( $ENV{'ACKRC'} && -f $ENV{'ACKRC'} ) { + push @config_files, { path => $ENV{'ACKRC'} }; + } + else { + push @config_files, map { +{ path => $_ } } _check_for_ackrc($ENV{'HOME'}); + } + + my @dirs = File::Spec->splitdir(Cwd::getcwd()); + while(@dirs) { + my $ackrc = _check_for_ackrc(@dirs); + if(defined $ackrc) { + push @config_files, { project => 1, path => $ackrc }; + last; + } + pop @dirs; + } + + # XXX we only test for existence here, so if the file is + # deleted out from under us, this will fail later. =( + return _remove_redundancies( @config_files ); +} + + +sub read_rcfile { + my $file = shift; + + return unless defined $file && -e $file; + + my @lines; + + open( my $fh, '<', $file ) or App::Ack::die( "Unable to read $file: $!" ); + while ( my $line = <$fh> ) { + chomp $line; + $line =~ s/^\s+//; + $line =~ s/\s+$//; + + next if $line eq ''; + next if $line =~ /^#/; + + push( @lines, $line ); + } + close $fh; + + return @lines; +} + +1; +package App::Ack::ConfigLoader; + +use strict; +use warnings; + +use Carp 1.04 (); +use Getopt::Long 2.35 (); +use Text::ParseWords 3.1 (); + + +my @INVALID_COMBINATIONS; + +BEGIN { + my @context = qw( -A -B -C --after-context --before-context --context ); + my @pretty = qw( --heading --group --break ); + my @filename = qw( -h -H --with-filename --no-filename ); + + @INVALID_COMBINATIONS = ( + # XXX normalize + [qw(-l)] => [@context, @pretty, @filename, qw(-L -o --passthru --output --max-count --column -f -g --show-types)], + [qw(-L)] => [@context, @pretty, @filename, qw(-l -o --passthru --output --max-count --column -f -g --show-types -c --count)], + [qw(--line)] => [@context, @pretty, @filename, qw(-l --files-with-matches --files-without-matches -L -o --passthru --match -m --max-count -1 -c --count --column --print0 -f -g --show-types)], + [qw(-o)] => [@context, qw(--output -c --count --column --column -f --show-types)], + [qw(--passthru)] => [@context, qw(--output --column -m --max-count -1 -c --count -f -g)], + [qw(--output)] => [@context, qw(-c --count -f -g)], + [qw(--match)] => [qw(-f -g)], + [qw(-m --max-count)] => [qw(-1 -f -g -c --count)], + [qw(-h --no-filename)] => [qw(-H --with-filename -f -g --group --heading)], + [qw(-H --with-filename)] => [qw(-h --no-filename -f -g)], + [qw(-c --count)] => [@context, @pretty, qw(--column -f -g)], + [qw(--column)] => [qw(-f -g)], + [@context] => [qw(-f -g)], + [qw(-f)] => [qw(-g), @pretty], + [qw(-g)] => [qw(-f), @pretty], + ); +} + +sub process_filter_spec { + my ( $spec ) = @_; + + if ( $spec =~ /^(\w+):(\w+):(.*)/ ) { + my ( $type_name, $ext_type, $arguments ) = ( $1, $2, $3 ); + + return ( $type_name, + App::Ack::Filter->create_filter($ext_type, split(/,/, $arguments)) ); + } + elsif ( $spec =~ /^(\w+)=(.*)/ ) { # Check to see if we have ack1-style argument specification. + my ( $type_name, $extensions ) = ( $1, $2 ); + + my @extensions = split(/,/, $extensions); + foreach my $extension ( @extensions ) { + $extension =~ s/^[.]//; + } + + return ( $type_name, App::Ack::Filter->create_filter('ext', @extensions) ); + } + else { + Carp::croak "invalid filter specification '$spec'"; + } +} + +sub uninvert_filter { + my ( $opt, @filters ) = @_; + + return unless defined $opt->{filters} && @filters; + + # Loop through all the registered filters. If we hit one that + # matches this extension and it's inverted, we need to delete it from + # the options. + for ( my $i = 0; $i < @{ $opt->{filters} }; $i++ ) { + my $opt_filter = @{ $opt->{filters} }[$i]; + + # XXX Do a real list comparison? This just checks string equivalence. + if ( $opt_filter->is_inverted() && "$opt_filter->{filter}" eq "@filters" ) { + splice @{ $opt->{filters} }, $i, 1; + $i--; + } + } +} + +sub process_filetypes { + my ( $opt, $arg_sources ) = @_; + + Getopt::Long::Configure('default', 'no_auto_help', 'no_auto_version'); # start with default options, minus some annoying ones + Getopt::Long::Configure( + 'no_ignore_case', + 'no_auto_abbrev', + 'pass_through', + ); + my %additional_specs; + + my $add_spec = sub { + my ( undef, $spec ) = @_; + + my ( $name, $filter ) = process_filter_spec($spec); + + push @{ $App::Ack::mappings{$name} }, $filter; + + $additional_specs{$name . '!'} = sub { + my ( undef, $value ) = @_; + + my @filters = @{ $App::Ack::mappings{$name} }; + if ( not $value ) { + @filters = map { $_->invert() } @filters; + } + else { + uninvert_filter( $opt, @filters ); + } + + push @{ $opt->{'filters'} }, @filters; + }; + }; + + my $set_spec = sub { + my ( undef, $spec ) = @_; + + my ( $name, $filter ) = process_filter_spec($spec); + + $App::Ack::mappings{$name} = [ $filter ]; + + $additional_specs{$name . '!'} = sub { + my ( undef, $value ) = @_; + + my @filters = @{ $App::Ack::mappings{$name} }; + if ( not $value ) { + @filters = map { $_->invert() } @filters; + } + + push @{ $opt->{'filters'} }, @filters; + }; + }; + + my $delete_spec = sub { + my ( undef, $name ) = @_; + + delete $App::Ack::mappings{$name}; + delete $additional_specs{$name . '!'}; + }; + + my %type_arg_specs = ( + 'type-add=s' => $add_spec, + 'type-set=s' => $set_spec, + 'type-del=s' => $delete_spec, + ); + + foreach my $source (@{$arg_sources}) { + my ( $source_name, $args ) = @{$source}{qw/name contents/}; + + if ( ref($args) ) { + # $args are modified in place, so no need to munge $arg_sources + local @ARGV = @{$args}; + Getopt::Long::GetOptions(%type_arg_specs); + @{$args} = @ARGV; + } + else { + ( undef, $source->{contents} ) = + Getopt::Long::GetOptionsFromString($args, %type_arg_specs); + } + } + + $additional_specs{'k|known-types'} = sub { + my ( undef, $value ) = @_; + + my @filters = map { @{$_} } values(%App::Ack::mappings); + + push @{ $opt->{'filters'} }, @filters; + }; + + return \%additional_specs; +} + +sub removed_option { + my ( $option, $explanation ) = @_; + + $explanation ||= ''; + return sub { + warn "Option '$option' is not valid in ack 2\n$explanation"; + exit 1; + }; +} + +sub get_arg_spec { + my ( $opt, $extra_specs ) = @_; + + my $dash_a_explanation = < sub { $opt->{1} = $opt->{m} = 1 }, + 'A|after-context=i' => \$opt->{after_context}, + 'B|before-context=i' + => \$opt->{before_context}, + 'C|context:i' => sub { shift; my $val = shift; $opt->{before_context} = $opt->{after_context} = ($val || 2) }, + 'a' => removed_option('-a', $dash_a_explanation), + 'all' => removed_option('--all', $dash_a_explanation), + 'break!' => \$opt->{break}, + c => \$opt->{count}, + 'color|colour!' => \$opt->{color}, + 'color-match=s' => \$ENV{ACK_COLOR_MATCH}, + 'color-filename=s' => \$ENV{ACK_COLOR_FILENAME}, + 'color-lineno=s' => \$ENV{ACK_COLOR_LINENO}, + 'column!' => \$opt->{column}, + count => \$opt->{count}, + 'create-ackrc' => sub { print "$_\n" for ( '--ignore-ack-defaults', App::Ack::ConfigDefault::options() ); exit; }, + 'env!' => sub { + my ( undef, $value ) = @_; + + if ( !$value ) { + $opt->{noenv_seen} = 1; + } + }, + f => \$opt->{f}, + 'files-from=s' => \$opt->{files_from}, + 'filter!' => \$App::Ack::is_filter_mode, + flush => \$opt->{flush}, + 'follow!' => \$opt->{follow}, + g => \$opt->{g}, + G => removed_option('-G'), + 'group!' => sub { shift; $opt->{heading} = $opt->{break} = shift }, + 'heading!' => \$opt->{heading}, + 'h|no-filename' => \$opt->{h}, + 'H|with-filename' => \$opt->{H}, + 'i|ignore-case' => \$opt->{i}, + 'ignore-directory|ignore-dir=s' # XXX Combine this version with the negated version below + => sub { + my ( undef, $dir ) = @_; + + $dir = App::Ack::remove_dir_sep( $dir ); + if ( $dir !~ /^(?:is|match):/ ) { + $dir = 'is:' . $dir; + } + push @{ $opt->{idirs} }, $dir; + }, + 'ignore-file=s' => sub { + my ( undef, $file ) = @_; + push @{ $opt->{ifiles} }, $file; + }, + 'lines=s' => sub { shift; my $val = shift; push @{$opt->{lines}}, $val }, + 'l|files-with-matches' + => \$opt->{l}, + 'L|files-without-matches' + => \$opt->{L}, + 'm|max-count=i' => \$opt->{m}, + 'match=s' => \$opt->{regex}, + 'n|no-recurse' => \$opt->{n}, + o => sub { $opt->{output} = '$&' }, + 'output=s' => \$opt->{output}, + 'pager:s' => sub { + my ( undef, $value ) = @_; + + $opt->{pager} = $value || $ENV{PAGER}; + }, + 'noignore-directory|noignore-dir=s' + => sub { + my ( undef, $dir ) = @_; + + # XXX can you do --noignore-dir=match,...? + $dir = App::Ack::remove_dir_sep( $dir ); + if ( $dir !~ /^(?:is|match):/ ) { + $dir = 'is:' . $dir; + } + if ( $dir !~ /^(?:is|match):/ ) { + Carp::croak("invalid noignore-directory argument: '$dir'"); + } + + @{ $opt->{idirs} } = grep { + $_ ne $dir + } @{ $opt->{idirs} }; + + push @{ $opt->{no_ignore_dirs} }, $dir; + }, + 'nopager' => sub { $opt->{pager} = undef }, + 'passthru' => \$opt->{passthru}, + 'print0' => \$opt->{print0}, + 'Q|literal' => \$opt->{Q}, + 'r|R|recurse' => sub { $opt->{n} = 0 }, + 's' => \$opt->{dont_report_bad_filenames}, + 'show-types' => \$opt->{show_types}, + 'smart-case!' => \$opt->{smart_case}, + 'sort-files' => \$opt->{sort_files}, + 'type=s' => sub { + my ( $getopt, $value ) = @_; + + my $cb_value = 1; + if ( $value =~ s/^no// ) { + $cb_value = 0; + } + + my $callback = $extra_specs->{ $value . '!' }; + + if ( $callback ) { + $callback->( $getopt, $cb_value ); + } + else { + Carp::croak( "Unknown type '$value'" ); + } + }, + 'u' => removed_option('-u'), + 'unrestricted' => removed_option('--unrestricted'), + 'v|invert-match' => \$opt->{v}, + 'w|word-regexp' => \$opt->{w}, + 'x' => sub { $opt->{files_from} = '-' }, + + 'version' => sub { App::Ack::print_version_statement(); exit; }, + 'help|?:s' => sub { shift; App::Ack::show_help(@_); exit; }, + 'help-types' => sub { App::Ack::show_help_types(); exit; }, + 'man' => sub { App::Ack::show_man(); exit; }, + $extra_specs ? %{$extra_specs} : (), + }; # arg_specs +} + +sub process_other { + my ( $opt, $extra_specs, $arg_sources ) = @_; + + Getopt::Long::Configure('default', 'no_auto_help', 'no_auto_version'); # start with default options, minus some annoying ones + Getopt::Long::Configure( + 'bundling', + 'no_ignore_case', + ); + + my $argv_source; + my $is_help_types_active; + + foreach my $source (@{$arg_sources}) { + my ( $source_name, $args ) = @{$source}{qw/name contents/}; + + if ( $source_name eq 'ARGV' ) { + $argv_source = $args; + last; + } + } + + if ( $argv_source ) { # This *should* always be true, but you never know... + my @copy = @{$argv_source}; + local @ARGV = @copy; + + Getopt::Long::Configure('pass_through'); + + Getopt::Long::GetOptions( + 'help-types' => \$is_help_types_active, + ); + + Getopt::Long::Configure('no_pass_through'); + } + + my $arg_specs = get_arg_spec($opt, $extra_specs); + + foreach my $source (@{$arg_sources}) { + my ( $source_name, $args ) = @{$source}{qw/name contents/}; + + my $args_for_source = $arg_specs; + + if ( $source->{project} ) { + my $illegal = sub { + my ( $option ) = @_; + + return sub { + die "Option $option is illegal in project ackrcs"; + }; + }; + + $args_for_source = { %$args_for_source, + 'output=s'=> $illegal->('--output'), + 'pager:s' => $illegal->('--pager'), + 'match=s' => $illegal->('--match'), + }; + } + + my $ret; + if ( ref($args) ) { + local @ARGV = @{$args}; + $ret = Getopt::Long::GetOptions( %{$args_for_source} ); + @{$args} = @ARGV; + } + else { + ( $ret, $source->{contents} ) = + Getopt::Long::GetOptionsFromString( $args, %{$args_for_source} ); + } + if ( !$ret ) { + if ( !$is_help_types_active ) { + my $where = $source_name eq 'ARGV' ? 'on command line' : "in $source_name"; + App::Ack::die( "Invalid option $where" ); + } + } + if ( $opt->{noenv_seen} ) { + App::Ack::die( "--noenv found in $source_name" ); + } + } + + # XXX We need to check on a -- in the middle of a non-ARGV source + + return; +} + +sub should_dump_options { + my ( $sources ) = @_; + + + foreach my $source (@{$sources}) { + my ( $name, $options ) = @{$source}{qw/name contents/}; + + if($name eq 'ARGV') { + my $dump; + local @ARGV = @{$options}; + Getopt::Long::Configure('default', 'pass_through', 'no_auto_help', 'no_auto_version'); + Getopt::Long::GetOptions( + 'dump' => \$dump, + ); + @{$options} = @ARGV; + return $dump; + } + } + return; +} + +sub explode_sources { + my ( $sources ) = @_; + + my @new_sources; + + Getopt::Long::Configure('default', 'pass_through', 'no_auto_help', 'no_auto_version'); + + my %opt; + my $arg_spec = get_arg_spec(\%opt); + + my $add_type = sub { + my ( undef, $arg ) = @_; + + # XXX refactor? + if ( $arg =~ /(\w+)=/) { + $arg_spec->{$1} = sub {}; + } + else { + ( $arg ) = split /:/, $arg; + $arg_spec->{$arg} = sub {}; + } + }; + + my $del_type = sub { + my ( undef, $arg ) = @_; + + delete $arg_spec->{$arg}; + }; + + foreach my $source (@{$sources}) { + my ( $name, $options ) = @{$source}{qw/name contents/}; + if ( ref($options) ne 'ARRAY' ) { + $source->{contents} = $options = + [ Text::ParseWords::shellwords($options) ]; + } + for ( my $j = 0; $j < @{$options}; $j++ ) { + next unless $options->[$j] =~ /^-/; + my @chunk = ( $options->[$j] ); + push @chunk, $options->[$j] while ++$j < @{$options} && $options->[$j] !~ /^-/; + $j--; + + my @copy = @chunk; + local @ARGV = @chunk; + Getopt::Long::GetOptions( + 'type-add=s' => $add_type, + 'type-set=s' => $add_type, + 'type-del=s' => $del_type, + ); + Getopt::Long::GetOptions( %{$arg_spec} ); + + push @new_sources, { + name => $name, + contents => \@copy, + }; + } + } + + return \@new_sources; +} + +sub compare_opts { + my ( $a, $b ) = @_; + + my $first_a = $a->[0]; + my $first_b = $b->[0]; + + $first_a =~ s/^--?//; + $first_b =~ s/^--?//; + + return $first_a cmp $first_b; +} + +sub dump_options { + my ( $sources ) = @_; + + $sources = explode_sources($sources); + + my %opts_by_source; + my @source_names; + + foreach my $source (@{$sources}) { + my ( $name, $contents ) = @{$source}{qw/name contents/}; + if ( not $opts_by_source{$name} ) { + $opts_by_source{$name} = []; + push @source_names, $name; + } + push @{$opts_by_source{$name}}, $contents; + } + + foreach my $name (@source_names) { + my $contents = $opts_by_source{$name}; + + print $name, "\n"; + print '=' x length($name), "\n"; + print ' ', join(' ', @{$_}), "\n" foreach sort { compare_opts($a, $b) } @{$contents}; + } + + return; +} + +sub remove_default_options_if_needed { + my ( $sources ) = @_; + + my $default_index; + + foreach my $index ( 0 .. $#$sources ) { + if ( $sources->[$index]{'name'} eq 'Defaults' ) { + $default_index = $index; + last; + } + } + + return $sources unless defined $default_index; + + my $should_remove = 0; + + # Start with default options, minus some annoying ones. + Getopt::Long::Configure('default', 'no_auto_help', 'no_auto_version'); + Getopt::Long::Configure( + 'no_ignore_case', + 'no_auto_abbrev', + 'pass_through', + ); + + foreach my $index ( $default_index + 1 .. $#$sources ) { + my ( $name, $args ) = @{$sources->[$index]}{qw/name contents/}; + + if (ref($args)) { + local @ARGV = @{$args}; + Getopt::Long::GetOptions( + 'ignore-ack-defaults' => \$should_remove, + ); + @{$args} = @ARGV; + } + else { + ( undef, $sources->[$index]{contents} ) = Getopt::Long::GetOptionsFromString($args, + 'ignore-ack-defaults' => \$should_remove, + ); + } + } + + Getopt::Long::Configure('default'); + Getopt::Long::Configure('default', 'no_auto_help', 'no_auto_version'); + + return $sources unless $should_remove; + + my @copy = @{$sources}; + splice @copy, $default_index, 1; + return \@copy; +} + +sub check_for_mutually_exclusive_options { + my ( $arg_sources ) = @_; + + my %mutually_exclusive_with; + my @copy = @{$arg_sources}; + + for(my $i = 0; $i < @INVALID_COMBINATIONS; $i += 2) { + my ( $lhs, $rhs ) = @INVALID_COMBINATIONS[ $i, $i + 1 ]; + + foreach my $l_opt ( @{$lhs} ) { + foreach my $r_opt ( @{$rhs} ) { + push @{ $mutually_exclusive_with{ $l_opt } }, $r_opt; + push @{ $mutually_exclusive_with{ $r_opt } }, $l_opt; + } + } + } + + while( @copy ) { + my %set_opts; + + my $source = shift @copy; + my ( $source_name, $args ) = @{$source}{qw/name contents/}; + $args = ref($args) ? [ @{$args} ] : [ Text::ParseWords::shellwords($args) ]; + + foreach my $opt ( @{$args} ) { + next unless $opt =~ /^[-+]/; + last if $opt eq '--'; + + if( $opt =~ /^(.*)=/ ) { + $opt = $1; + } + elsif ( $opt =~ /^(-[^-]).+/ ) { + $opt = $1; + } + + $set_opts{ $opt } = 1; + + my $mutex_opts = $mutually_exclusive_with{ $opt }; + + next unless $mutex_opts; + + foreach my $mutex_opt ( @{$mutex_opts} ) { + if($set_opts{ $mutex_opt }) { + die "Options '$mutex_opt' and '$opt' are mutually exclusive\n"; + } + } + } + } +} + +sub process_args { + my $arg_sources = \@_; + + my %opt = ( + pager => $ENV{ACK_PAGER_COLOR} || $ENV{ACK_PAGER}, + ); + + check_for_mutually_exclusive_options($arg_sources); + + $arg_sources = remove_default_options_if_needed($arg_sources); + + if ( should_dump_options($arg_sources) ) { + dump_options($arg_sources); + exit(0); + } + + my $type_specs = process_filetypes(\%opt, $arg_sources); + process_other(\%opt, $type_specs, $arg_sources); + while ( @{$arg_sources} ) { + my $source = shift @{$arg_sources}; + my ( $source_name, $args ) = @{$source}{qw/name contents/}; + + # All of our sources should be transformed into an array ref + if ( ref($args) ) { + if ( $source_name eq 'ARGV' ) { + @ARGV = @{$args}; + } + elsif (@{$args}) { + Carp::croak "source '$source_name' has extra arguments!"; + } + } + else { + Carp::croak 'The impossible has occurred!'; + } + } + my $filters = ($opt{filters} ||= []); + + # Throw the default filter in if no others are selected. + if ( not grep { !$_->is_inverted() } @{$filters} ) { + push @{$filters}, App::Ack::Filter::Default->new(); + } + return \%opt; +} + + +sub retrieve_arg_sources { + my @arg_sources; + + my $noenv; + my $ackrc; + + Getopt::Long::Configure('default', 'no_auto_help', 'no_auto_version'); + Getopt::Long::Configure('pass_through'); + Getopt::Long::Configure('no_auto_abbrev'); + + Getopt::Long::GetOptions( + 'noenv' => \$noenv, + 'ackrc=s' => \$ackrc, + ); + + Getopt::Long::Configure('default', 'no_auto_help', 'no_auto_version'); + + my @files; + + if ( !$noenv ) { + my $finder = App::Ack::ConfigFinder->new; + @files = $finder->find_config_files; + } + if ( $ackrc ) { + # We explicitly use open so we get a nice error message. + # XXX This is a potential race condition!. + if(open my $fh, '<', $ackrc) { + close $fh; + } + else { + die "Unable to load ackrc '$ackrc': $!" + } + push( @files, { path => $ackrc } ); + } + + push @arg_sources, { + name => 'Defaults', + contents => [ App::Ack::ConfigDefault::options() ], + }; + + foreach my $file ( @files) { + my @lines = App::Ack::ConfigFinder::read_rcfile($file->{path}); + + if(@lines) { + push @arg_sources, { + name => $file->{path}, + contents => \@lines, + project => $file->{project}, + }; + } + } + + if ( $ENV{ACK_OPTIONS} && !$noenv ) { + push @arg_sources, { + name => 'ACK_OPTIONS', + contents => $ENV{ACK_OPTIONS}, + }; + } + + push @arg_sources, { + name => 'ARGV', + contents => [ @ARGV ], + }; + + return @arg_sources; +} + +1; # End of App::Ack::ConfigLoader +package App::Ack::Filter; + +use strict; +use warnings; +use overload + '""' => 'to_string'; + +use Carp 1.04 (); + +my %filter_types; + + +sub create_filter { + my ( undef, $type, @args ) = @_; + + if ( my $package = $filter_types{$type} ) { + return $package->new(@args); + } + Carp::croak "Unknown filter type '$type'"; +} + + +sub register_filter { + my ( undef, $type, $package ) = @_; + + $filter_types{$type} = $package; + + return; +} + + +sub invert { + my ( $self ) = @_; + + return App::Ack::Filter::Inverse->new( $self ); +} + + +sub is_inverted { + return 0; +} + + +sub to_string { + my ( $self ) = @_; + + return '(unimplemented to_string)'; +} + + +sub inspect { + my ( $self ) = @_; + + return ref($self); +} + +1; +package App::Ack::Filter::Extension; + +use strict; +use warnings; +BEGIN { + our @ISA = 'App::Ack::Filter'; +} + + +sub new { + my ( $class, @extensions ) = @_; + + my $exts = join('|', map { "\Q$_\E"} @extensions); + my $re = qr/[.](?:$exts)$/i; + + return bless { + extensions => \@extensions, + regex => $re, + groupname => 'ExtensionGroup', + }, $class; +} + +sub create_group { + return App::Ack::Filter::ExtensionGroup->new(); +} + +sub filter { + my ( $self, $resource ) = @_; + + my $re = $self->{'regex'}; + + return $resource->name =~ /$re/; +} + +sub inspect { + my ( $self ) = @_; + + my $re = $self->{'regex'}; + + return ref($self) . " - $re"; +} + +sub to_string { + my ( $self ) = @_; + + my $exts = $self->{'extensions'}; + + return join(' ', map { ".$_" } @{$exts}); +} + +BEGIN { + App::Ack::Filter->register_filter(ext => __PACKAGE__); +} + +1; +package App::Ack::Filter::FirstLineMatch; + +use strict; +use warnings; +BEGIN { + our @ISA = 'App::Ack::Filter'; +} + +sub new { + my ( $class, $re ) = @_; + + $re =~ s{^/|/$}{}g; # XXX validate? + $re = qr{$re}i; + + return bless { + regex => $re, + }, $class; +} + +# This test reads the first 250 characters of a file, then just uses the +# first line found in that. This prevents reading something like an entire +# .min.js file (which might be only one "line" long) into memory. + +sub filter { + my ( $self, $resource ) = @_; + + my $re = $self->{'regex'}; + + my $line = $resource->firstliney; + + return $line =~ /$re/; +} + +sub inspect { + my ( $self ) = @_; + + my $re = $self->{'regex'}; + + return ref($self) . " - $re"; +} + +sub to_string { + my ( $self ) = @_; + + (my $re = $self->{regex}) =~ s{\([^:]*:(.*)\)$}{$1}; + + return "first line matches /$re/"; +} + +BEGIN { + App::Ack::Filter->register_filter(firstlinematch => __PACKAGE__); +} + +1; +package App::Ack::Filter::Is; + +use strict; +use warnings; +BEGIN { + our @ISA = 'App::Ack::Filter'; +} + +use File::Spec 3.00 (); + +sub new { + my ( $class, $filename ) = @_; + + return bless { + filename => $filename, + groupname => 'IsGroup', + }, $class; +} + +sub create_group { + return App::Ack::Filter::IsGroup->new(); +} + +sub filter { + my ( $self, $resource ) = @_; + + my $filename = $self->{'filename'}; + my $base = (File::Spec->splitpath($resource->name))[2]; + + return $base eq $filename; +} + +sub inspect { + my ( $self ) = @_; + + my $filename = $self->{'filename'}; + + return ref($self) . " - $filename"; +} + +sub to_string { + my ( $self ) = @_; + + my $filename = $self->{'filename'}; + + return $filename; +} + +BEGIN { + App::Ack::Filter->register_filter(is => __PACKAGE__); +} + +1; +package App::Ack::Filter::Match; + +use strict; +use warnings; +BEGIN { + our @ISA = 'App::Ack::Filter'; +} + +use File::Spec 3.00; + +sub new { + my ( $class, $re ) = @_; + + $re =~ s{^/|/$}{}g; # XXX validate? + $re = qr/$re/i; + + return bless { + regex => $re, + }, $class; +} + +sub filter { + my ( $self, $resource ) = @_; + + my $re = $self->{'regex'}; + my $base = (File::Spec->splitpath($resource->name))[2]; + + return $base =~ /$re/; +} + +sub inspect { + my ( $self ) = @_; + + my $re = $self->{'regex'}; + + print ref($self) . " - $re"; +} + +sub to_string { + my ( $self ) = @_; + + my $re = $self->{'regex'}; + + return "filename matches $re"; +} + +BEGIN { + App::Ack::Filter->register_filter(match => __PACKAGE__); +} + +1; +package App::Ack::Filter::Default; + +use strict; +use warnings; +BEGIN { + our @ISA = 'App::Ack::Filter'; +} + +sub new { + my ( $class ) = @_; + + return bless {}, $class; +} + +sub filter { + my ( $self, $resource ) = @_; + + return -T $resource->name; +} + +1; +package App::Ack::Filter::Inverse; + +use strict; +use warnings; +BEGIN { + our @ISA = 'App::Ack::Filter'; +} + +sub new { + my ( $class, $filter ) = @_; + + return bless { + filter => $filter, + }, $class; +} + +sub filter { + my ( $self, $resource ) = @_; + + my $filter = $self->{'filter'}; + return !$filter->filter( $resource ); +} + +sub invert { + my $self = shift; + + return $self->{'filter'}; +} + +sub is_inverted { + return 1; +} + +sub inspect { + my ( $self ) = @_; + + my $filter = $self->{'filter'}; + + return "!$filter"; +} + +1; +package App::Ack::Filter::Collection; + +use strict; +use warnings; +BEGIN { + our @ISA = 'App::Ack::Filter'; +} + +use File::Spec 3.00 (); + +sub new { + my ( $class ) = @_; + + return bless { + groups => {}, + ungrouped => [], + }, $class; +} + +sub filter { + my ( $self, $resource ) = @_; + + for my $group (values %{$self->{'groups'}}) { + if ($group->filter($resource)) { + return 1; + } + } + + for my $filter (@{$self->{'ungrouped'}}) { + if ($filter->filter($resource)) { + return 1; + } + } + + return 0; +} + +sub add { + my ( $self, $filter ) = @_; + + if (exists $filter->{'groupname'}) { + my $groups = $self->{'groups'}; + my $group_name = $filter->{'groupname'}; + + my $group; + if (exists $groups->{$group_name}) { + $group = $groups->{$group_name}; + } + else { + $group = $groups->{$group_name} = $filter->create_group(); + } + + $group->add($filter); + } + else { + push @{$self->{'ungrouped'}}, $filter; + } + + return; +} + +sub inspect { + my ( $self ) = @_; + + return ref($self) . " - $self"; +} + +sub to_string { + my ( $self ) = @_; + + my $ungrouped = $self->{'ungrouped'}; + + return join(', ', map { "($_)" } @{$ungrouped}); +} + +1; +package App::Ack::Filter::IsGroup; + +use strict; +use warnings; +BEGIN { + our @ISA = 'App::Ack::Filter'; +} + +use File::Spec 3.00 (); + +sub new { + my ( $class ) = @_; + + return bless { + data => {}, + }, $class; +} + +sub add { + my ( $self, $filter ) = @_; + + $self->{data}->{ $filter->{filename} } = 1; +} + +sub filter { + my ( $self, $resource ) = @_; + + my $data = $self->{'data'}; + my $base = (File::Spec->splitpath($resource->name))[2]; + + return exists $data->{$base}; +} + +sub inspect { + my ( $self ) = @_; + + return ref($self) . " - $self"; +} + +sub to_string { + my ( $self ) = @_; + + return join(' ', keys %{$self->{data}}); +} + +1; +package App::Ack::Filter::ExtensionGroup; + +use strict; +use warnings; +BEGIN { + our @ISA = 'App::Ack::Filter'; +} + +use File::Spec 3.00 (); + +sub new { + my ( $class ) = @_; + + return bless { + data => {}, + }, $class; +} + +sub add { + my ( $self, $filter ) = @_; + + my $data = $self->{'data'}; + my $extensions = $filter->{'extensions'}; + + foreach my $ext (@{$extensions}) { + $data->{lc $ext} = 1; + } +} + +sub filter { + my ( $self, $resource ) = @_; + + if ($resource->name =~ /[.]([^.]*)$/) { + return exists $self->{'data'}->{lc $1}; + } + + return 0; +} + +sub inspect { + my ( $self ) = @_; + + return ref($self) . " - $self"; +} + +sub to_string { + my ( $self ) = @_; + + my $data = $self->{'data'}; + + return join(' ', map { ".$_" } (keys %$data)); +} + +1; package File::Next; use strict; use warnings; -our $VERSION = '1.06'; +our $VERSION = '1.12'; use File::Spec (); - our $name; # name of the current file our $dir; # dir of the current file @@ -945,30 +4779,32 @@ BEGIN { file_filter => undef, descend_filter => undef, error_handler => sub { CORE::die @_ }, + warning_handler => sub { CORE::warn @_ }, sort_files => undef, follow_symlinks => 1, + nul_separated => 0, ); %skip_dirs = map {($_,1)} (File::Spec->curdir, File::Spec->updir); } sub files { - ($_[0] eq __PACKAGE__) && die 'File::Next::files must not be invoked as File::Next->files'; + die _bad_invocation() if @_ && defined($_[0]) && ($_[0] eq __PACKAGE__); my ($parms,@queue) = _setup( \%files_defaults, @_ ); my $filter = $parms->{file_filter}; return sub { while (@queue) { - my ($dir,$file,$fullpath) = splice( @queue, 0, 3 ); - if ( -f $fullpath ) { + my ($dirname,$file,$fullpath) = splice( @queue, 0, 3 ); + if ( -f $fullpath || -p $fullpath || $fullpath =~ m{^/dev/fd} ) { if ( $filter ) { local $_ = $file; - local $File::Next::dir = $dir; + local $File::Next::dir = $dirname; local $File::Next::name = $fullpath; next if not $filter->(); } - return wantarray ? ($dir,$file,$fullpath) : $fullpath; + return wantarray ? ($dirname,$file,$fullpath) : $fullpath; } elsif ( -d _ ) { unshift( @queue, _candidate_files( $parms, $fullpath ) ); @@ -984,6 +4820,63 @@ sub files { +sub from_file { + die _bad_invocation() if @_ && defined($_[0]) && ($_[0] eq __PACKAGE__); + + my ($parms,@queue) = _setup( \%files_defaults, @_ ); + my $err = $parms->{error_handler}; + my $warn = $parms->{error_handler}; + + my $filename = $queue[1]; + + if ( !defined($filename) ) { + $err->( 'Must pass a filename to from_file()' ); + return undef; + } + + my $fh; + if ( $filename eq '-' ) { + $fh = \*STDIN; + } + else { + if ( !open( $fh, '<', $filename ) ) { + $err->( "Unable to open $filename: $!" ); + return undef; + } + } + my $filter = $parms->{file_filter}; + + return sub { + local $/ = $parms->{nul_separated} ? "\x00" : $/; + while ( my $fullpath = <$fh> ) { + chomp $fullpath; + next unless $fullpath =~ /./; + if ( not ( -f $fullpath || -p _ ) ) { + $warn->( "$fullpath: No such file" ); + next; + } + + my ($volume,$dirname,$file) = File::Spec->splitpath( $fullpath ); + if ( $filter ) { + local $_ = $file; + local $File::Next::dir = $dirname; + local $File::Next::name = $fullpath; + next if not $filter->(); + } + return wantarray ? ($dirname,$file,$fullpath) : $fullpath; + } # while + close $fh; + + return; + }; # iterator +} + +sub _bad_invocation { + my $good = (caller(1))[3]; + my $bad = $good; + $bad =~ s/(.+)::/$1->/; + return "$good must not be invoked as $bad"; +} sub sort_standard($$) { return $_[0]->[1] cmp $_[1]->[1] } sub sort_reverse($$) { return $_[1]->[1] cmp $_[0]->[1] } @@ -1041,12 +4934,12 @@ sub _setup { sub _candidate_files { - my $parms = shift; - my $dir = shift; + my $parms = shift; + my $dirname = shift; my $dh; - if ( !opendir $dh, $dir ) { - $parms->{error_handler}->( "$dir: $!" ); + if ( !opendir $dh, $dirname ) { + $parms->{error_handler}->( "$dirname: $!" ); return; } @@ -1059,7 +4952,7 @@ sub _candidate_files { my $has_stat; # Only do directory checking if we have a descend_filter - my $fullpath = File::Spec->catdir( $dir, $file ); + my $fullpath = File::Spec->catdir( $dirname, $file ); if ( !$follow_symlinks ) { next if -l $fullpath; $has_stat = 1; @@ -1073,10 +4966,10 @@ sub _candidate_files { } } if ( $sort_sub ) { - push( @newfiles, [ $dir, $file, $fullpath ] ); + push( @newfiles, [ $dirname, $file, $fullpath ] ); } else { - push( @newfiles, $dir, $file, $fullpath ); + push( @newfiles, $dirname, $file, $fullpath ); } } closedir $dh; @@ -1090,1535 +4983,3 @@ sub _candidate_files { 1; # End of File::Next -package App::Ack; - -use warnings; -use strict; - - - - -our $VERSION; -our $COPYRIGHT; -BEGIN { - $VERSION = '1.92'; - $COPYRIGHT = 'Copyright 2005-2009 Andy Lester.'; -} - -our $fh; - -BEGIN { - $fh = *STDOUT; -} - - -our %types; -our %type_wanted; -our %mappings; -our %ignore_dirs; - -our $input_from_pipe; -our $output_to_pipe; - -our $dir_sep_chars; -our $is_cygwin; -our $is_windows; - -use File::Spec (); -use File::Glob ':glob'; -use Getopt::Long (); - -BEGIN { - %ignore_dirs = ( - '.bzr' => 'Bazaar', - '.cdv' => 'Codeville', - '~.dep' => 'Interface Builder', - '~.dot' => 'Interface Builder', - '~.nib' => 'Interface Builder', - '~.plst' => 'Interface Builder', - '.git' => 'Git', - '.hg' => 'Mercurial', - '.pc' => 'quilt', - '.svn' => 'Subversion', - blib => 'Perl module building', - CVS => 'CVS', - RCS => 'RCS', - SCCS => 'SCCS', - _darcs => 'darcs', - _sgbak => 'Vault/Fortress', - 'autom4te.cache' => 'autoconf', - 'cover_db' => 'Devel::Cover', - _build => 'Module::Build', - ); - - %mappings = ( - actionscript => [qw( as mxml )], - ada => [qw( ada adb ads )], - asm => [qw( asm s )], - batch => [qw( bat cmd )], - binary => q{Binary files, as defined by Perl's -B op (default: off)}, - cc => [qw( c h xs )], - cfmx => [qw( cfc cfm cfml )], - cpp => [qw( cpp cc cxx m hpp hh h hxx )], - csharp => [qw( cs )], - css => [qw( css )], - elisp => [qw( el )], - erlang => [qw( erl hrl )], - fortran => [qw( f f77 f90 f95 f03 for ftn fpp )], - haskell => [qw( hs lhs )], - hh => [qw( h )], - html => [qw( htm html shtml xhtml )], - java => [qw( java properties )], - js => [qw( js )], - jsp => [qw( jsp jspx jhtm jhtml )], - lisp => [qw( lisp lsp )], - lua => [qw( lua )], - make => q{Makefiles}, - mason => [qw( mas mhtml mpl mtxt )], - objc => [qw( m h )], - objcpp => [qw( mm h )], - ocaml => [qw( ml mli )], - parrot => [qw( pir pasm pmc ops pod pg tg )], - perl => [qw( pl pm pod t )], - php => [qw( php phpt php3 php4 php5 phtml)], - plone => [qw( pt cpt metadata cpy py )], - python => [qw( py )], - rake => q{Rakefiles}, - ruby => [qw( rb rhtml rjs rxml erb rake )], - scala => [qw( scala )], - scheme => [qw( scm ss )], - shell => [qw( sh bash csh tcsh ksh zsh )], - skipped => q{Files, but not directories, normally skipped by ack (default: off)}, - smalltalk => [qw( st )], - sql => [qw( sql ctl )], - tcl => [qw( tcl itcl itk )], - tex => [qw( tex cls sty )], - text => q{Text files, as defined by Perl's -T op (default: off)}, - tt => [qw( tt tt2 ttml )], - vb => [qw( bas cls frm ctl vb resx )], - vim => [qw( vim )], - yaml => [qw( yaml yml )], - xml => [qw( xml dtd xslt ent )], - ); - - while ( my ($type,$exts) = each %mappings ) { - if ( ref $exts ) { - for my $ext ( @{$exts} ) { - push( @{$types{$ext}}, $type ); - } - } - } - - # These have to be checked before any filehandle diddling. - $output_to_pipe = not -t *STDOUT; - $input_from_pipe = -p STDIN; - - $is_cygwin = ($^O eq 'cygwin'); - $is_windows = ($^O =~ /MSWin32/); - $dir_sep_chars = $is_windows ? quotemeta( '\\/' ) : quotemeta( File::Spec->catfile( '', '' ) ); -} - - -sub read_ackrc { - my @files = ( $ENV{ACKRC} ); - my @dirs = - $is_windows - ? ( $ENV{HOME}, $ENV{USERPROFILE} ) - : ( '~', $ENV{HOME} ); - for my $dir ( grep { defined } @dirs ) { - for my $file ( '.ackrc', '_ackrc' ) { - push( @files, bsd_glob( "$dir/$file", GLOB_TILDE ) ); - } - } - for my $filename ( @files ) { - if ( defined $filename && -e $filename ) { - open( my $fh, '<', $filename ) or App::Ack::die( "$filename: $!\n" ); - my @lines = grep { /./ && !/^\s*#/ } <$fh>; - chomp @lines; - close $fh or App::Ack::die( "$filename: $!\n" ); - - return @lines; - } - } - - return; -} - - -sub get_command_line_options { - my %opt = ( - pager => $ENV{ACK_PAGER_COLOR} || $ENV{ACK_PAGER}, - ); - - my $getopt_specs = { - 1 => sub { $opt{1} = $opt{m} = 1 }, - 'A|after-context=i' => \$opt{after_context}, - 'B|before-context=i' => \$opt{before_context}, - 'C|context:i' => sub { shift; my $val = shift; $opt{before_context} = $opt{after_context} = ($val || 2) }, - 'a|all-types' => \$opt{all}, - 'break!' => \$opt{break}, - c => \$opt{count}, - 'color|colour!' => \$opt{color}, - 'color-match=s' => \$ENV{ACK_COLOR_MATCH}, - 'color-filename=s' => \$ENV{ACK_COLOR_FILENAME}, - 'column!' => \$opt{column}, - count => \$opt{count}, - 'env!' => sub { }, # ignore this option, it is handled beforehand - f => \$opt{f}, - flush => \$opt{flush}, - 'follow!' => \$opt{follow}, - 'g=s' => sub { shift; $opt{G} = shift; $opt{f} = 1 }, - 'G=s' => \$opt{G}, - 'group!' => sub { shift; $opt{heading} = $opt{break} = shift }, - 'heading!' => \$opt{heading}, - 'h|no-filename' => \$opt{h}, - 'H|with-filename' => \$opt{H}, - 'i|ignore-case' => \$opt{i}, - 'lines=s' => sub { shift; my $val = shift; push @{$opt{lines}}, $val }, - 'l|files-with-matches' => \$opt{l}, - 'L|files-without-matches' => sub { $opt{l} = $opt{v} = 1 }, - 'm|max-count=i' => \$opt{m}, - 'match=s' => \$opt{regex}, - 'n|no-recurse' => \$opt{n}, - o => sub { $opt{output} = '$&' }, - 'output=s' => \$opt{output}, - 'pager=s' => \$opt{pager}, - 'nopager' => sub { $opt{pager} = undef }, - 'passthru' => \$opt{passthru}, - 'print0' => \$opt{print0}, - 'Q|literal' => \$opt{Q}, - 'r|R|recurse' => sub {}, - 'smart-case!' => \$opt{smart_case}, - 'sort-files' => \$opt{sort_files}, - 'u|unrestricted' => \$opt{u}, - 'v|invert-match' => \$opt{v}, - 'w|word-regexp' => \$opt{w}, - - 'ignore-dirs=s' => sub { shift; my $dir = remove_dir_sep( shift ); $ignore_dirs{$dir} = '--ignore-dirs' }, - 'noignore-dirs=s' => sub { shift; my $dir = remove_dir_sep( shift ); delete $ignore_dirs{$dir} }, - - 'version' => sub { print_version_statement(); exit 1; }, - 'help|?:s' => sub { shift; show_help(@_); exit; }, - 'help-types'=> sub { show_help_types(); exit; }, - 'man' => sub { require Pod::Usage; Pod::Usage::pod2usage({-verbose => 2}); exit; }, - - 'type=s' => sub { - # Whatever --type=xxx they specify, set it manually in the hash - my $dummy = shift; - my $type = shift; - my $wanted = ($type =~ s/^no//) ? 0 : 1; # must not be undef later - - if ( exists $type_wanted{ $type } ) { - $type_wanted{ $type } = $wanted; - } - else { - App::Ack::die( qq{Unknown --type "$type"} ); - } - }, # type sub - }; - - # Stick any default switches at the beginning, so they can be overridden - # by the command line switches. - unshift @ARGV, split( ' ', $ENV{ACK_OPTIONS} ) if defined $ENV{ACK_OPTIONS}; - - # first pass through options, looking for type definitions - def_types_from_ARGV(); - - for my $i ( filetypes_supported() ) { - $getopt_specs->{ "$i!" } = \$type_wanted{ $i }; - } - - - my $parser = Getopt::Long::Parser->new(); - $parser->configure( 'bundling', 'no_ignore_case', ); - $parser->getoptions( %{$getopt_specs} ) or - App::Ack::die( 'See ack --help, ack --help-types or ack --man for options.' ); - - my $to_screen = not output_to_pipe(); - my %defaults = ( - all => 0, - color => $to_screen, - follow => 0, - break => $to_screen, - heading => $to_screen, - before_context => 0, - after_context => 0, - ); - if ( $is_windows && $defaults{color} && not $ENV{ACK_PAGER_COLOR} ) { - if ( $ENV{ACK_PAGER} || not eval { require Win32::Console::ANSI } ) { - $defaults{color} = 0; - } - } - if ( $to_screen && $ENV{ACK_PAGER_COLOR} ) { - $defaults{color} = 1; - } - - while ( my ($key,$value) = each %defaults ) { - if ( not defined $opt{$key} ) { - $opt{$key} = $value; - } - } - - if ( defined $opt{m} && $opt{m} <= 0 ) { - App::Ack::die( '-m must be greater than zero' ); - } - - for ( qw( before_context after_context ) ) { - if ( defined $opt{$_} && $opt{$_} < 0 ) { - App::Ack::die( "--$_ may not be negative" ); - } - } - - if ( defined( my $val = $opt{output} ) ) { - $opt{output} = eval qq[ sub { "$val" } ]; - } - if ( defined( my $l = $opt{lines} ) ) { - # --line=1 --line=5 is equivalent to --line=1,5 - my @lines = split( /,/, join( ',', @{$l} ) ); - - # --line=1-3 is equivalent to --line=1,2,3 - @lines = map { - my @ret; - if ( /-/ ) { - my ($from, $to) = split /-/, $_; - if ( $from > $to ) { - App::Ack::warn( "ignoring --line=$from-$to" ); - @ret = (); - } - else { - @ret = ( $from .. $to ); - } - } - else { - @ret = ( $_ ); - }; - @ret - } @lines; - - if ( @lines ) { - my %uniq; - @uniq{ @lines } = (); - $opt{lines} = [ sort { $a <=> $b } keys %uniq ]; # numerical sort and each line occurs only once! - } - else { - # happens if there are only ignored --line directives - App::Ack::die( 'All --line options are invalid.' ); - } - } - - return \%opt; -} - - -sub def_types_from_ARGV { - my @typedef; - - my $parser = Getopt::Long::Parser->new(); - # pass_through => leave unrecognized command line arguments alone - # no_auto_abbrev => otherwise -c is expanded and not left alone - $parser->configure( 'no_ignore_case', 'pass_through', 'no_auto_abbrev' ); - $parser->getoptions( - 'type-set=s' => sub { shift; push @typedef, ['c', shift] }, - 'type-add=s' => sub { shift; push @typedef, ['a', shift] }, - ) or App::Ack::die( 'See ack --help or ack --man for options.' ); - - for my $td (@typedef) { - my ($type, $ext) = split /=/, $td->[1]; - - if ( $td->[0] eq 'c' ) { - # type-set - if ( exists $mappings{$type} ) { - # can't redefine types 'make', 'skipped', 'text' and 'binary' - App::Ack::die( qq{--type-set: Builtin type "$type" cannot be changed.} ) - if ref $mappings{$type} ne 'ARRAY'; - - delete_type($type); - } - } - else { - # type-add - - # can't append to types 'make', 'skipped', 'text' and 'binary' - App::Ack::die( qq{--type-add: Builtin type "$type" cannot be changed.} ) - if exists $mappings{$type} && ref $mappings{$type} ne 'ARRAY'; - - App::Ack::warn( qq{--type-add: Type "$type" does not exist, creating with "$ext" ...} ) - unless exists $mappings{$type}; - } - - my @exts = split /,/, $ext; - s/^\.// for @exts; - - if ( !exists $mappings{$type} || ref($mappings{$type}) eq 'ARRAY' ) { - push @{$mappings{$type}}, @exts; - for my $e ( @exts ) { - push @{$types{$e}}, $type; - } - } - else { - App::Ack::die( qq{Cannot append to type "$type".} ); - } - } - - return; -} - - -sub delete_type { - my $type = shift; - - App::Ack::die( qq{Internal error: Cannot delete builtin type "$type".} ) - unless ref $mappings{$type} eq 'ARRAY'; - - delete $mappings{$type}; - delete $type_wanted{$type}; - for my $ext ( keys %types ) { - $types{$ext} = [ grep { $_ ne $type } @{$types{$ext}} ]; - } -} - - -sub ignoredir_filter { - return !exists $ignore_dirs{$_}; -} - - -sub remove_dir_sep { - my $path = shift; - $path =~ s/[$dir_sep_chars]$//; - - return $path; -} - - -use constant TEXT => 'text'; - -sub filetypes { - my $filename = shift; - - my $basename = $filename; - $basename =~ s{.*[$dir_sep_chars]}{}; - - return 'skipped' unless is_searchable( $basename ); - - my $lc_basename = lc $basename; - return ('make',TEXT) if $lc_basename eq 'makefile'; - return ('rake','ruby',TEXT) if $lc_basename eq 'rakefile'; - - # If there's an extension, look it up - if ( $filename =~ m{\.([^\.$dir_sep_chars]+)$}o ) { - my $ref = $types{lc $1}; - return (@{$ref},TEXT) if $ref; - } - - # At this point, we can't tell from just the name. Now we have to - # open it and look inside. - - return unless -e $filename; - # From Elliot Shank: - # I can't see any reason that -r would fail on these-- the ACLs look - # fine, and no program has any of them open, so the busted Windows - # file locking model isn't getting in there. If I comment the if - # statement out, everything works fine - # So, for cygwin, don't bother trying to check for readability. - if ( !$is_cygwin ) { - if ( !-r $filename ) { - App::Ack::warn( "$filename: Permission denied" ); - return; - } - } - - return 'binary' if -B $filename; - - # If there's no extension, or we don't recognize it, check the shebang line - my $fh; - if ( !open( $fh, '<', $filename ) ) { - App::Ack::warn( "$filename: $!" ); - return; - } - my $header = <$fh>; - close $fh; - - if ( $header =~ /^#!/ ) { - return ($1,TEXT) if $header =~ /\b(ruby|p(?:erl|hp|ython))\b/; - return ('shell',TEXT) if $header =~ /\b(?:ba|t?c|k|z)?sh\b/; - } - else { - return ('xml',TEXT) if $header =~ /\Q{Q}; - if ( $opt->{w} ) { - $str = "\\b$str" if $str =~ /^\w/; - $str = "$str\\b" if $str =~ /\w$/; - } - - my $regex_is_lc = $str eq lc $str; - if ( $opt->{i} || ($opt->{smart_case} && $regex_is_lc) ) { - $str = "(?i)$str"; - } - - return $str; -} - - -sub check_regex { - my $regex = shift; - - return unless defined $regex; - - eval { qr/$regex/ }; - if ($@) { - (my $error = $@) =~ s/ at \S+ line \d+.*//; - chomp($error); - App::Ack::die( "Invalid regex '$regex':\n $error" ); - } - - return; -} - - - - -sub warn { - return CORE::warn( _my_program(), ': ', @_, "\n" ); -} - - -sub die { - return CORE::die( _my_program(), ': ', @_, "\n" ); -} - -sub _my_program { - require File::Basename; - return File::Basename::basename( $0 ); -} - - - -sub filetypes_supported { - return keys %mappings; -} - -sub _get_thpppt { - my $y = q{_ /|,\\'!.x',=(www)=, U }; - $y =~ tr/,x!w/\nOo_/; - return $y; -} - -sub _thpppt { - my $y = _get_thpppt(); - App::Ack::print( "$y ack $_[0]!\n" ); - exit 0; -} - -sub _key { - my $str = lc shift; - $str =~ s/[^a-z]//g; - - return $str; -} - - -sub show_help { - my $help_arg = shift || 0; - - return show_help_types() if $help_arg =~ /^types?/; - - my $ignore_dirs = _listify( sort { _key($a) cmp _key($b) } keys %ignore_dirs ); - - App::Ack::print( <<"END_OF_HELP" ); -Usage: ack [OPTION]... PATTERN [FILE] - -Search for PATTERN in each source file in the tree from cwd on down. -If [FILES] is specified, then only those files/directories are checked. -ack may also search STDIN, but only if no FILE are specified, or if -one of FILES is "-". - -Default switches may be specified in ACK_OPTIONS environment variable or -an .ackrc file. If you want no dependency on the environment, turn it -off with --noenv. - -Example: ack -i select - -Searching: - -i, --ignore-case Ignore case distinctions in PATTERN - --[no]smart-case Ignore case distinctions in PATTERN, - only if PATTERN contains no upper case - Ignored if -i is specified - -v, --invert-match Invert match: select non-matching lines - -w, --word-regexp Force PATTERN to match only whole words - -Q, --literal Quote all metacharacters; PATTERN is literal - -Search output: - --line=NUM Only print line(s) NUM of each file - -l, --files-with-matches - Only print filenames containing matches - -L, --files-without-matches - Only print filenames with no matches - -o Show only the part of a line matching PATTERN - (turns off text highlighting) - --passthru Print all lines, whether matching or not - --output=expr Output the evaluation of expr for each line - (turns off text highlighting) - --match PATTERN Specify PATTERN explicitly. - -m, --max-count=NUM Stop searching in each file after NUM matches - -1 Stop searching after one match of any kind - -H, --with-filename Print the filename for each match - -h, --no-filename Suppress the prefixing filename on output - -c, --count Show number of lines matching per file - --column Show the column number of the first match - - -A NUM, --after-context=NUM - Print NUM lines of trailing context after matching - lines. - -B NUM, --before-context=NUM - Print NUM lines of leading context before matching - lines. - -C [NUM], --context[=NUM] - Print NUM lines (default 2) of output context. - - --print0 Print null byte as separator between filenames, - only works with -f, -g, -l, -L or -c. - -File presentation: - --pager=COMMAND Pipes all ack output through COMMAND. For example, - --pager="less -R". Ignored if output is redirected. - --nopager Do not send output through a pager. Cancels any - setting in ~/.ackrc, ACK_PAGER or ACK_PAGER_COLOR. - --[no]heading Print a filename heading above each file's results. - (default: on when used interactively) - --[no]break Print a break between results from different files. - (default: on when used interactively) - --group Same as --heading --break - --nogroup Same as --noheading --nobreak - --[no]color Highlight the matching text (default: on unless - output is redirected, or on Windows) - --[no]colour Same as --[no]color - --color-filename=COLOR - --color-match=COLOR Set the color for matches and filenames. - --flush Flush output immediately, even when ack is used - non-interactively (when output goes to a pipe or - file). - -File finding: - -f Only print the files found, without searching. - The PATTERN must not be specified. - -g REGEX Same as -f, but only print files matching REGEX. - --sort-files Sort the found files lexically. - -File inclusion/exclusion: - -a, --all-types All file types searched; - Ignores CVS, .svn and other ignored directories - -u, --unrestricted All files and directories searched - --[no]ignore-dir=name Add/Remove directory from the list of ignored dirs - -r, -R, --recurse Recurse into subdirectories (ack's default behavior) - -n, --no-recurse No descending into subdirectories - -G REGEX Only search files that match REGEX - - --perl Include only Perl files. - --type=perl Include only Perl files. - --noperl Exclude Perl files. - --type=noperl Exclude Perl files. - See "ack --help type" for supported filetypes. - - --type-set TYPE=.EXTENSION[,.EXT2[,...]] - Files with the given EXTENSION(s) are recognized as - being of type TYPE. This replaces an existing - definition for type TYPE. - --type-add TYPE=.EXTENSION[,.EXT2[,...]] - Files with the given EXTENSION(s) are recognized as - being of (the existing) type TYPE - - --[no]follow Follow symlinks. Default is off. - - Directories ignored by default: - $ignore_dirs - - Files not checked for type: - /~\$/ - Unix backup files - /#.+#\$/ - Emacs swap files - /[._].*\\.swp\$/ - Vi(m) swap files - /core\\.\\d+\$/ - core dumps - -Miscellaneous: - --noenv Ignore environment variables and ~/.ackrc - --help This help - --man Man page - --version Display version & copyright - --thpppt Bill the Cat - -Exit status is 0 if match, 1 if no match. - -This is version $VERSION of ack. -END_OF_HELP - - return; - } - - - -sub show_help_types { - App::Ack::print( <<'END_OF_HELP' ); -Usage: ack [OPTION]... PATTERN [FILES] - -The following is the list of filetypes supported by ack. You can -specify a file type with the --type=TYPE format, or the --TYPE -format. For example, both --type=perl and --perl work. - -Note that some extensions may appear in multiple types. For example, -.pod files are both Perl and Parrot. - -END_OF_HELP - - my @types = filetypes_supported(); - my $maxlen = 0; - for ( @types ) { - $maxlen = length if $maxlen < length; - } - for my $type ( sort @types ) { - next if $type =~ /^-/; # Stuff to not show - my $ext_list = $mappings{$type}; - - if ( ref $ext_list ) { - $ext_list = join( ' ', map { ".$_" } @{$ext_list} ); - } - App::Ack::print( sprintf( " --[no]%-*.*s %s\n", $maxlen, $maxlen, $type, $ext_list ) ); - } - - return; -} - -sub _listify { - my @whats = @_; - - return '' if !@whats; - - my $end = pop @whats; - my $str = @whats ? join( ', ', @whats ) . " and $end" : $end; - - no warnings 'once'; - require Text::Wrap; - $Text::Wrap::columns = 75; - return Text::Wrap::wrap( '', ' ', $str ); -} - - -sub get_version_statement { - require Config; - - my $copyright = get_copyright(); - my $this_perl = $Config::Config{perlpath}; - if ($^O ne 'VMS') { - my $ext = $Config::Config{_exe}; - $this_perl .= $ext unless $this_perl =~ m/$ext$/i; - } - my $ver = sprintf( '%vd', $^V ); - - return <<"END_OF_VERSION"; -ack $VERSION -Running under Perl $ver at $this_perl - -$copyright - -This program is free software; you can redistribute it and/or modify -it under the terms of either: the GNU General Public License as -published by the Free Software Foundation; or the Artistic License. -END_OF_VERSION -} - - -sub print_version_statement { - App::Ack::print( get_version_statement() ); - - return; -} - - -sub get_copyright { - return $COPYRIGHT; -} - - -sub load_colors { - eval 'use Term::ANSIColor ()'; - - $ENV{ACK_COLOR_MATCH} ||= 'black on_yellow'; - $ENV{ACK_COLOR_FILENAME} ||= 'bold green'; - - return; -} - - -sub is_interesting { - return if /^\./; - - my $include; - - for my $type ( filetypes( $File::Next::name ) ) { - if ( defined $type_wanted{$type} ) { - if ( $type_wanted{$type} ) { - $include = 1; - } - else { - return; - } - } - } - - return $include; -} - - - -# print subs added in order to make it easy for a third party -# module (such as App::Wack) to redefine the display methods -# and show the results in a different way. -sub print { print {$fh} @_ } -sub print_first_filename { App::Ack::print( $_[0], "\n" ) } -sub print_blank_line { App::Ack::print( "\n" ) } -sub print_separator { App::Ack::print( "--\n" ) } -sub print_filename { App::Ack::print( $_[0], $_[1] ) } -sub print_line_no { App::Ack::print( $_[0], $_[1] ) } -sub print_column_no { App::Ack::print( $_[0], $_[1] ) } -sub print_count { - my $filename = shift; - my $nmatches = shift; - my $ors = shift; - my $count = shift; - - App::Ack::print( $filename ); - App::Ack::print( ':', $nmatches ) if $count; - App::Ack::print( $ors ); -} - -sub print_count0 { - my $filename = shift; - my $ors = shift; - - App::Ack::print( $filename, ':0', $ors ); -} - - - -{ - my $filename; - my $regex; - my $display_filename; - - my $keep_context; - - my $last_output_line; # number of the last line that has been output - my $any_output; # has there been any output for the current file yet - my $context_overall_output_count; # has there been any output at all - -sub search_resource { - my $res = shift; - my $opt = shift; - - $filename = $res->name(); - - my $v = $opt->{v}; - my $passthru = $opt->{passthru}; - my $max = $opt->{m}; - my $nmatches = 0; - - $display_filename = undef; - - # for --line processing - my $has_lines = 0; - my @lines; - if ( defined $opt->{lines} ) { - $has_lines = 1; - @lines = ( @{$opt->{lines}}, -1 ); - undef $regex; # Don't match when printing matching line - } - else { - $regex = qr/$opt->{regex}/; - } - - # for context processing - $last_output_line = -1; - $any_output = 0; - my $before_context = $opt->{before_context}; - my $after_context = $opt->{after_context}; - - $keep_context = ($before_context || $after_context) && !$passthru; - - my @before; - my $before_starts_at_line; - my $after = 0; # number of lines still to print after a match - - while ( $res->next_text ) { - # XXX Optimize away the case when there are no more @lines to find. - # XXX $has_lines, $passthru and $v never change. Optimize. - if ( $has_lines - ? $. != $lines[0] # $lines[0] should be a scalar - : $v ? m/$regex/ : !m/$regex/ ) { - if ( $passthru ) { - App::Ack::print( $_ ); - next; - } - - if ( $keep_context ) { - if ( $after ) { - print_match_or_context( $opt, 0, $., $-[0], $+[0], $_ ); - $after--; - } - elsif ( $before_context ) { - if ( @before ) { - if ( @before >= $before_context ) { - shift @before; - ++$before_starts_at_line; - } - } - else { - $before_starts_at_line = $.; - } - push @before, $_; - } - last if $max && ( $nmatches >= $max ) && !$after; - } - next; - } # not a match - - ++$nmatches; - - # print an empty line as a divider before first line in each file (not before the first file) - if ( !$any_output && $opt->{show_filename} && $opt->{break} && defined( $context_overall_output_count ) ) { - App::Ack::print_blank_line(); - } - - shift @lines if $has_lines; - - if ( $res->is_binary ) { - App::Ack::print( "Binary file $filename matches\n" ); - last; - } - if ( $keep_context ) { - if ( @before ) { - print_match_or_context( $opt, 0, $before_starts_at_line, $-[0], $+[0], @before ); - @before = (); - $before_starts_at_line = 0; - } - if ( $max && $nmatches > $max ) { - --$after; - } - else { - $after = $after_context; - } - } - print_match_or_context( $opt, 1, $., $-[0], $+[0], $_ ); - - last if $max && ( $nmatches >= $max ) && !$after; - } # while - - return $nmatches; -} # search_resource() - - - -sub print_match_or_context { - my $opt = shift; # opts array - my $is_match = shift; # is there a match on the line? - my $line_no = shift; - my $match_start = shift; - my $match_end = shift; - - my $color = $opt->{color}; - my $heading = $opt->{heading}; - my $show_filename = $opt->{show_filename}; - my $show_column = $opt->{column}; - - if ( $show_filename ) { - if ( not defined $display_filename ) { - $display_filename = - $color - ? Term::ANSIColor::colored( $filename, $ENV{ACK_COLOR_FILENAME} ) - : $filename; - if ( $heading && !$any_output ) { - App::Ack::print_first_filename($display_filename); - } - } - } - - my $sep = $is_match ? ':' : '-'; - my $output_func = $opt->{output}; - for ( @_ ) { - if ( $keep_context && !$output_func ) { - if ( ( $last_output_line != $line_no - 1 ) && - ( $any_output || ( !$heading && defined( $context_overall_output_count ) ) ) ) { - App::Ack::print_separator(); - } - # to ensure separators between different files when --noheading - - $last_output_line = $line_no; - } - - if ( $show_filename ) { - App::Ack::print_filename($display_filename, $sep) if not $heading; - App::Ack::print_line_no($line_no, $sep); - } - - if ( $output_func ) { - while ( /$regex/go ) { - App::Ack::print( $output_func->() . "\n" ); - } - } - else { - if ( $color && $is_match && $regex && - s/$regex/Term::ANSIColor::colored( substr($_, $-[0], $+[0] - $-[0]), $ENV{ACK_COLOR_MATCH} )/eg ) { - # At the end of the line reset the color and remove newline - s/[\r\n]*\z/\e[0m\e[K/; - } - else { - # remove any kind of newline at the end of the line - s/[\r\n]*\z//; - } - if ( $show_column ) { - App::Ack::print_column_no( $match_start+1, $sep ); - } - App::Ack::print($_ . "\n"); - } - $any_output = 1; - ++$context_overall_output_count; - ++$line_no; - } - - return; -} # print_match_or_context() - -} # scope around search_resource() and print_match_or_context() - - - -sub search_and_list { - my $res = shift; - my $opt = shift; - - my $nmatches = 0; - my $count = $opt->{count}; - my $ors = $opt->{print0} ? "\0" : "\n"; # output record separator - - my $regex = qr/$opt->{regex}/; - - if ( $opt->{v} ) { - while ( $res->next_text ) { - if ( /$regex/ ) { - return 0 unless $count; - } - else { - ++$nmatches; - } - } - } - else { - while ( $res->next_text ) { - if ( /$regex/ ) { - ++$nmatches; - last unless $count; - } - } - } - - if ( $nmatches ) { - App::Ack::print_count( $res->name, $nmatches, $ors, $count ); - } - elsif ( $count && !$opt->{l} ) { - App::Ack::print_count0( $res->name, $ors ); - } - - return $nmatches ? 1 : 0; -} # search_and_list() - - - -sub filetypes_supported_set { - return grep { defined $type_wanted{$_} && ($type_wanted{$_} == 1) } filetypes_supported(); -} - - - -sub print_files { - my $iter = shift; - my $opt = shift; - - my $ors = $opt->{print0} ? "\0" : "\n"; - - my $nmatches = 0; - while ( defined ( my $file = $iter->() ) ) { - App::Ack::print $file, $ors; - $nmatches++; - last if $opt->{1}; - } - - return $nmatches; -} - - -sub print_files_with_matches { - my $iter = shift; - my $opt = shift; - - my $nmatches = 0; - while ( defined ( my $filename = $iter->() ) ) { - my $repo = App::Ack::Repository::Basic->new( $filename ); - my $res; - while ( $res = $repo->next_resource() ) { - $nmatches += search_and_list( $res, $opt ); - $res->close(); - last if $nmatches && $opt->{1}; - } - $repo->close(); - } - - return $nmatches; -} - - -sub print_matches { - my $iter = shift; - my $opt = shift; - - $opt->{show_filename} = 0 if $opt->{h}; - $opt->{show_filename} = 1 if $opt->{H}; - - my $nmatches = 0; - while ( defined ( my $filename = $iter->() ) ) { - my $repo; - my $tarballs_work = 0; - if ( $tarballs_work && $filename =~ /\.tar\.gz$/ ) { - App::Ack::die( 'Not working here yet' ); - require App::Ack::Repository::Tar; # XXX Error checking - $repo = App::Ack::Repository::Tar->new( $filename ); - } - else { - $repo = App::Ack::Repository::Basic->new( $filename ); - } - $repo or next; - - while ( my $res = $repo->next_resource() ) { - my $needs_line_scan; - if ( $opt->{regex} && !$opt->{passthru} ) { - $needs_line_scan = $res->needs_line_scan( $opt ); - if ( $needs_line_scan ) { - $res->reset(); - } - } - else { - $needs_line_scan = 1; - } - if ( $needs_line_scan ) { - $nmatches += search_resource( $res, $opt ); - } - $res->close(); - } - last if $nmatches && $opt->{1}; - $repo->close(); - } - return $nmatches; -} - - -sub filetype_setup { - my $filetypes_supported_set = filetypes_supported_set(); - # If anyone says --no-whatever, we assume all other types must be on. - if ( !$filetypes_supported_set ) { - for my $i ( keys %type_wanted ) { - $type_wanted{$i} = 1 unless ( defined( $type_wanted{$i} ) || $i eq 'binary' || $i eq 'text' || $i eq 'skipped' ); - } - } - return; -} - - -EXPAND_FILENAMES_SCOPE: { - my $filter; - - sub expand_filenames { - my $argv = shift; - - my $attr; - my @files; - - foreach my $pattern ( @{$argv} ) { - my @results = bsd_glob( $pattern ); - - if (@results == 0) { - @results = $pattern; # Glob didn't match, pass it thru unchanged - } - elsif ( (@results > 1) or ($results[0] ne $pattern) ) { - if (not defined $filter) { - eval 'require Win32::File;'; - if ($@) { - $filter = 0; - } - else { - $filter = Win32::File::HIDDEN()|Win32::File::SYSTEM(); - } - } # end unless we've tried to load Win32::File - if ( $filter ) { - # Filter out hidden and system files: - @results = grep { not(Win32::File::GetAttributes($_, $attr) and $attr & $filter) } @results; - App::Ack::warn( "$pattern: Matched only hidden files" ) unless @results; - } # end if we can filter by file attributes - } # end elsif this pattern got expanded - - push @files, @results; - } # end foreach pattern - - return \@files; - } # end expand_filenames -} # EXPAND_FILENAMES_SCOPE - - - -sub get_starting_points { - my $argv = shift; - my $opt = shift; - - my @what; - - if ( @{$argv} ) { - @what = @{ $is_windows ? expand_filenames($argv) : $argv }; - $_ = File::Next::reslash( $_ ) for @what; - - # Show filenames unless we've specified one single file - $opt->{show_filename} = (@what > 1) || (!-f $what[0]); - } - else { - @what = '.'; # Assume current directory - $opt->{show_filename} = 1; - } - - for my $start_point (@what) { - App::Ack::warn( "$start_point: No such file or directory" ) unless -e $start_point; - } - return \@what; -} - - - -sub get_iterator { - my $what = shift; - my $opt = shift; - - # Starting points are always searched, no matter what - my %starting_point = map { ($_ => 1) } @{$what}; - - my $g_regex = defined $opt->{G} ? qr/$opt->{G}/ : undef; - my $file_filter; - - if ( $g_regex ) { - $file_filter - = $opt->{u} ? sub { $File::Next::name =~ /$g_regex/ } # XXX Maybe this should be a 1, no? - : $opt->{all} ? sub { $starting_point{ $File::Next::name } || ( $File::Next::name =~ /$g_regex/ && is_searchable( $_ ) ) } - : sub { $starting_point{ $File::Next::name } || ( $File::Next::name =~ /$g_regex/ && is_interesting( @_ ) ) } - ; - } - else { - $file_filter - = $opt->{u} ? sub {1} - : $opt->{all} ? sub { $starting_point{ $File::Next::name } || is_searchable( $_ ) } - : sub { $starting_point{ $File::Next::name } || is_interesting( @_ ) } - ; - } - - my $descend_filter - = $opt->{n} ? sub {0} - : $opt->{u} ? sub {1} - : \&ignoredir_filter; - - my $iter = - File::Next::files( { - file_filter => $file_filter, - descend_filter => $descend_filter, - error_handler => sub { my $msg = shift; App::Ack::warn( $msg ) }, - sort_files => $opt->{sort_files}, - follow_symlinks => $opt->{follow}, - }, @{$what} ); - return $iter; -} - - -sub set_up_pager { - my $command = shift; - - return if App::Ack::output_to_pipe(); - - my $pager; - if ( not open( $pager, '|-', $command ) ) { - App::Ack::die( qq{Unable to pipe to pager "$command": $!} ); - } - $fh = $pager; - - return; -} - - -sub input_from_pipe { - return $input_from_pipe; -} - - - -sub output_to_pipe { - return $output_to_pipe; -} - - - -1; # End of App::Ack -package App::Ack::Repository; - - -use warnings; -use strict; - -sub FAIL { - require Carp; - Carp::confess( 'Must be overloaded' ); -} - - -sub new { - FAIL(); -} - - -sub next_resource { - FAIL(); -} - - -sub close { - FAIL(); -} - -1; -package App::Ack::Resource; - - -use warnings; -use strict; - -sub FAIL { - require Carp; - Carp::confess( 'Must be overloaded' ); -} - - -sub new { - FAIL(); -} - - -sub name { - FAIL(); -} - - -sub is_binary { - FAIL(); -} - - - -sub needs_line_scan { - FAIL(); -} - - -sub reset { - FAIL(); -} - - -sub next_text { - FAIL(); -} - - -sub close { - FAIL(); -} - -1; -package App::Ack::Plugin::Basic; - - - -package App::Ack::Resource::Basic; - - -use warnings; -use strict; - - -our @ISA = qw( App::Ack::Resource ); - - -sub new { - my $class = shift; - my $filename = shift; - - my $self = bless { - filename => $filename, - fh => undef, - could_be_binary => undef, - opened => undef, - id => undef, - }, $class; - - if ( $self->{filename} eq '-' ) { - $self->{fh} = *STDIN; - $self->{could_be_binary} = 0; - } - else { - if ( !open( $self->{fh}, '<', $self->{filename} ) ) { - App::Ack::warn( "$self->{filename}: $!" ); - return; - } - $self->{could_be_binary} = 1; - } - - return $self; -} - - -sub name { - my $self = shift; - - return $self->{filename}; -} - - -sub is_binary { - my $self = shift; - - if ( $self->{could_be_binary} ) { - return -B $self->{filename}; - } - - return 0; -} - - - -sub needs_line_scan { - my $self = shift; - my $opt = shift; - - return 1 if $opt->{v}; - - my $size = -s $self->{fh}; - if ( $size == 0 ) { - return 0; - } - elsif ( $size > 100_000 ) { - return 1; - } - - my $buffer; - my $rc = sysread( $self->{fh}, $buffer, $size ); - if ( not defined $rc ) { - App::Ack::warn( "$self->{filename}: $!" ); - return 1; - } - return 0 unless $rc && ( $rc == $size ); - - my $regex = $opt->{regex}; - return $buffer =~ /$regex/m; -} - - -sub reset { - my $self = shift; - - seek( $self->{fh}, 0, 0 ) - or App::Ack::warn( "$self->{filename}: $!" ); - - return; -} - - -sub next_text { - if ( defined ($_ = readline $_[0]->{fh}) ) { - $. = ++$_[0]->{line}; - return 1; - } - - return; -} - - -sub close { - my $self = shift; - - if ( not close $self->{fh} ) { - App::Ack::warn( $self->name() . ": $!" ); - } - - return; -} - -package App::Ack::Repository::Basic; - - -our @ISA = qw( App::Ack::Repository ); - - -use warnings; -use strict; - -sub new { - my $class = shift; - my $filename = shift; - - my $self = bless { - filename => $filename, - nexted => 0, - }, $class; - - return $self; -} - - -sub next_resource { - my $self = shift; - - return if $self->{nexted}; - $self->{nexted} = 1; - - return App::Ack::Resource::Basic->new( $self->{filename} ); -} - - -sub close { -} - - - -1; From f68c657bad9acfdd339b98c9c75a5fbeac2aa0b9 Mon Sep 17 00:00:00 2001 From: Barak Michener Date: Mon, 26 May 2014 16:37:43 -0400 Subject: [PATCH 2/2] markdown --- .vim/filetype.vim | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/.vim/filetype.vim b/.vim/filetype.vim index 92fc6ee..0df7a89 100644 --- a/.vim/filetype.vim +++ b/.vim/filetype.vim @@ -5,7 +5,8 @@ endif " Filetype mappingss augroup markdown - au! BufRead,BufNewFile *.mkd setfiletype mkd + au! BufRead,BufNewFile *.mkd setfiletype markdown + au! BufRead,BufNewFile *.md setfiletype markdown augroup END augroup mako au! BufRead,BufNewFile *.mak,*.mako setfiletype mako