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d39af6a71b
This code is based on the RDF N-Quad parsing code that I wrote for the Cayley graph database project in 2014. The code here does not include any code that was written by other members of the Cayley project and so is unencumbered by copyright ownership from that project. License addition is for the test suite from [1] linked from [2]. A second more restrictive license is possible if we are claiming spec compliance[3]. [1]https://www.w3.org/Consortium/Legal/2008/03-bsd-license [2]https://www.w3.org/Consortium/Legal/2008/04-testsuite-copyright.html [3]https://www.w3.org/Consortium/Legal/2008/04-testsuite-license.html
96 lines
1.8 KiB
Ragel
96 lines
1.8 KiB
Ragel
// Go code generated by go generate gonum.org/v1/gonum/graph/formats/rdf; DO NOT EDIT.
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// Copyright ©2020 The Gonum Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package rdf
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import (
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"fmt"
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"unicode"
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)
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%%{
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machine checkLabel;
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alphtype rune;
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include check "check_actions.rl";
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alphtype rune;
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PN_CHARS_BASE = [A-Za-z]
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| 0x00c0 .. 0x00d6
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| 0x00d8 .. 0x00f6
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| 0x00f8 .. 0x02ff
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| 0x0370 .. 0x037d
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| 0x037f .. 0x1fff
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| 0x200c .. 0x200d
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| 0x2070 .. 0x218f
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| 0x2c00 .. 0x2fef
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| 0x3001 .. 0xd7ff
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| 0xf900 .. 0xfdcf
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| 0xfdf0 .. 0xfffd
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| 0x10000 .. 0xeffff
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;
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PN_CHARS_U = PN_CHARS_BASE | '_' | ':' ;
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PN_CHARS = PN_CHARS_U
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| '-'
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| [0-9]
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| 0xb7
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| 0x0300 .. 0x036f
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| 0x203f .. 0x2040
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;
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BLANK_NODE_LABEL = (PN_CHARS_U | [0-9]) ((PN_CHARS | '.')* PN_CHARS)? ;
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value := BLANK_NODE_LABEL %Return @!Error ;
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write data;
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}%%
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func checkLabelText(data []rune) (err error) {
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var (
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cs, p int
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pe = len(data)
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eof = pe
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)
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%%write init;
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%%write exec;
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return ErrInvalidTerm
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}
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%%{
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machine checkLang;
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alphtype byte;
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include check "check_actions.rl";
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LANGTAG = '@' [a-zA-Z]+ ('-' [a-zA-Z0-9]+)* ;
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value := LANGTAG %Return @!Error ;
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write data;
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}%%
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func checkLangText(data []byte) (err error) {
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var (
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cs, p int
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pe = len(data)
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eof = pe
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)
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%%write init;
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%%write exec;
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return ErrInvalidTerm
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}
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