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Move tag handling out into graph.Tagger

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This commit is contained in:
kortschak 2014-07-30 10:15:22 +09:30
parent 0238332ca3
commit 1604dca737
28 changed files with 315 additions and 159 deletions
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23
graph/memstore/iterator.go
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@ -27,6 +27,7 @@ import (
type Iterator struct {
iterator.Base
tags graph.Tagger
tree *llrb.LLRB
data string
isRunning bool
@ -65,10 +66,24 @@ func (it *Iterator) Reset() {
it.iterLast = Int64(-1)
}
func (it *Iterator) Tagger() *graph.Tagger {
return &it.tags
}
func (it *Iterator) TagResults(dst map[string]graph.Value) {
for _, tag := range it.tags.Tags() {
dst[tag] = it.Result()
}
for tag, value := range it.tags.Fixed() {
dst[tag] = value
}
}
func (it *Iterator) Clone() graph.Iterator {
var new_it = NewLlrbIterator(it.tree, it.data)
new_it.CopyTagsFrom(it)
return new_it
m := NewLlrbIterator(it.tree, it.data)
m.tags.CopyFrom(it)
return m
}
func (it *Iterator) Close() {}
@ -98,7 +113,7 @@ func (it *Iterator) Check(v graph.Value) bool {
func (it *Iterator) DebugString(indent int) string {
size, _ := it.Size()
return fmt.Sprintf("%s(%s tags:%s size:%d %s)", strings.Repeat(" ", indent), it.Type(), it.Tags(), size, it.data)
return fmt.Sprintf("%s(%s tags:%s size:%d %s)", strings.Repeat(" ", indent), it.Type(), it.tags.Tags(), size, it.data)
}
var memType graph.Type