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// Copyright ©2020 The Gonum Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package rdf_test
import (
"fmt"
"log"
"strings"
"gonum.org/v1/gonum/graph/formats/rdf"
)
func ExampleURDNA2015() {
for _, statements := range []string{
`
_:a <ex:q> <ex:p> .
_:b <ex:q> <ex:p> .
_:c <ex:p> _:a .
_:d <ex:p> _:b .
_:c <ex:r> _:d .
`,
`
_:c1 <ex:p> _:a1 .
_:b1 <ex:q> <ex:p> .
_:d1 <ex:p> _:b1 .
_:a1 <ex:q> <ex:p> .
_:c1 <ex:r> _:d1 .
`,
} {
// Decode the statement stream.
dec := rdf.NewDecoder(strings.NewReader(statements))
var s []*rdf.Statement
for {
l, err := dec.Unmarshal()
if err != nil {
break
}
s = append(s, l)
}
relabeled, err := rdf.URDNA2015(nil, s)
if err != nil {
log.Fatal(err)
}
for _, s := range relabeled {
fmt.Println(s)
}
fmt.Println()
}
// Output:
//
// _:c14n0 <ex:p> _:c14n2 .
// _:c14n1 <ex:p> _:c14n3 .
// _:c14n1 <ex:r> _:c14n0 .
// _:c14n2 <ex:q> <ex:p> .
// _:c14n3 <ex:q> <ex:p> .
//
// _:c14n0 <ex:p> _:c14n2 .
// _:c14n1 <ex:p> _:c14n3 .
// _:c14n1 <ex:r> _:c14n0 .
// _:c14n2 <ex:q> <ex:p> .
// _:c14n3 <ex:q> <ex:p> .
}
func ExampleURGNA2012() {
for _, statements := range []string{
`
_:a <ex:q> <ex:p> .
_:b <ex:q> <ex:p> .
_:c <ex:p> _:a .
_:d <ex:p> _:b .
_:c <ex:r> _:d .
`,
`
_:c1 <ex:p> _:a1 .
_:b1 <ex:q> <ex:p> .
_:d1 <ex:p> _:b1 .
_:a1 <ex:q> <ex:p> .
_:c1 <ex:r> _:d1 .
`,
} {
// Decode the statement stream.
dec := rdf.NewDecoder(strings.NewReader(statements))
var s []*rdf.Statement
for {
l, err := dec.Unmarshal()
if err != nil {
break
}
s = append(s, l)
}
relabeled, err := rdf.URGNA2012(nil, s)
if err != nil {
log.Fatal(err)
}
for _, s := range relabeled {
fmt.Println(s)
}
fmt.Println()
}
// Output:
//
// _:c14n0 <ex:p> _:c14n3 .
// _:c14n0 <ex:r> _:c14n1 .
// _:c14n1 <ex:p> _:c14n2 .
// _:c14n2 <ex:q> <ex:p> .
// _:c14n3 <ex:q> <ex:p> .
//
// _:c14n0 <ex:p> _:c14n3 .
// _:c14n0 <ex:r> _:c14n1 .
// _:c14n1 <ex:p> _:c14n2 .
// _:c14n2 <ex:q> <ex:p> .
// _:c14n3 <ex:q> <ex:p> .
}
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