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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
23 lines
532 B
Ragel
23 lines
532 B
Ragel
// 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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%%{
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machine check;
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action Return {
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return nil
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}
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action Error {
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if p < len(data) {
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if r := data[p]; r < unicode.MaxASCII {
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return fmt.Errorf("%w: unexpected rune %q at %d", ErrInvalidTerm, data[p], p)
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} else {
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return fmt.Errorf("%w: unexpected rune %q (\\u%04[2]x) at %d", ErrInvalidTerm, data[p], p)
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}
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}
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return ErrIncompleteTerm
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}
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}%%
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