#include "exp.h"
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#include "regex_yaml.h"
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#include "regeximpl.h"
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#include "stream.h"
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#include "yaml-cpp/exceptions.h" // IWYU pragma: keep
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#include "yaml-cpp/mark.h"
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namespace YAML {
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const std::string ScanVerbatimTag(Stream& INPUT) {
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std::string tag;
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// eat the start character
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INPUT.get();
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while (INPUT) {
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if (INPUT.peek() == Keys::VerbatimTagEnd) {
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// eat the end character
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INPUT.get();
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return tag;
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}
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int n = Exp::URI().Match(INPUT);
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if (n <= 0)
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break;
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tag += INPUT.get(n);
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}
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throw ParserException(INPUT.mark(), ErrorMsg::END_OF_VERBATIM_TAG);
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}
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const std::string ScanTagHandle(Stream& INPUT, bool& canBeHandle) {
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std::string tag;
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canBeHandle = true;
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Mark firstNonWordChar;
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while (INPUT) {
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if (INPUT.peek() == Keys::Tag) {
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if (!canBeHandle)
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throw ParserException(firstNonWordChar, ErrorMsg::CHAR_IN_TAG_HANDLE);
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break;
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}
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int n = 0;
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if (canBeHandle) {
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n = Exp::Word().Match(INPUT);
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if (n <= 0) {
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canBeHandle = false;
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firstNonWordChar = INPUT.mark();
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}
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}
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if (!canBeHandle)
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n = Exp::Tag().Match(INPUT);
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if (n <= 0)
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break;
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tag += INPUT.get(n);
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}
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return tag;
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}
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const std::string ScanTagSuffix(Stream& INPUT) {
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std::string tag;
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while (INPUT) {
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int n = Exp::Tag().Match(INPUT);
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if (n <= 0)
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break;
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tag += INPUT.get(n);
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}
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if (tag.empty())
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throw ParserException(INPUT.mark(), ErrorMsg::TAG_WITH_NO_SUFFIX);
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return tag;
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}
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}
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