53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
#ifndef __PLASP__LANGUAGE_DETECTION_H
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#define __PLASP__LANGUAGE_DETECTION_H
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#include <tokenize/Tokenizer.h>
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#include <plasp/Language.h>
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namespace plasp
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{
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// LanguageDetection
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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inline Language::Type detectLanguage(tokenize::Tokenizer<tokenize::CaseInsensitiveTokenizerPolicy> &tokenizer)
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{
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tokenizer.skipWhiteSpace();
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// SAS begins with "begin_version"
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if (tokenizer.testAndSkip<std::string>("begin"))
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{
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tokenizer.seek(0);
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return Language::Type::SAS;
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}
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// Skip potential PDDL comments
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while (tokenizer.currentCharacter() == ';')
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{
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tokenizer.skipLine();
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tokenizer.skipWhiteSpace();
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}
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// PDDL contains sections starting with “(define”
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// Some legacy domains contain “in-package” sections, however
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if (tokenizer.testAndSkip<std::string>("(")
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&& (tokenizer.testAndSkip<std::string>("define") || tokenizer.testAndSkip<std::string>("in-package")))
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{
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tokenizer.seek(std::ios::beg);
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return Language::Type::PDDL;
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}
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tokenizer.seek(std::ios::beg);
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return Language::Type::Unknown;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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}
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#endif
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