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export nquads

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This commit is contained in:
David Schor 2015-08-10 02:28:39 -04:00
parent 1e9c6990bb
commit 76e4a5d15e
2 changed files with 32 additions and 1 deletions
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19
exporter/exporter.go
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@ -23,6 +23,25 @@ func (exp *Exporter) Count() int32 {
return exp.count
}
func (exp *Exporter) ExportNquad() {
it := exp.qstore.QuadsAllIterator()
for graph.Next(it) {
exp.count++
quad := exp.qstore.Quad(it.Result())
exp.WriteEscString(quad.Subject)
exp.Write(" ")
exp.WriteEscString(quad.Predicate)
exp.Write(" ")
exp.WriteEscString(quad.Object)
if quad.Label != "" {
exp.Write(" ")
exp.WriteEscString(quad.Label)
}
exp.Write(" .\n")
}
}
func (exp *Exporter) ExportJson() {
var jstr []byte
exp.Write("[")

12
internal/dump.go
View file

@ -28,7 +28,19 @@ func Dump(qs graph.QuadStore, outFile, typ string) error {
if export.Err() != nil {
return export.Err()
}
switch typ {
case "nquad":
export.ExportNquad()
case "json":
export.ExportJson()
default:
return fmt.Errorf("unknown format %q", typ)
}
if export.Err() != nil {
return export.Err()
}
if outFile != "-" {
fmt.Printf("%d entries were written\n", export.Count())