37 lines
916 B
C++
37 lines
916 B
C++
/*
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* This project is licensed under the MIT license. For more information see the
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* LICENSE file.
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*/
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#pragma once
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#include <string>
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#include <regex>
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#include <functional>
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namespace maddy {
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inline std::string regex_callback_replacer(std::regex ®ex, const std::string &input,
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std::function<std::string(std::smatch &)> &callback)
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{
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std::string result;
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auto tagsbegin = std::sregex_iterator(input.begin(), input.end(), regex);
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auto tagsend = std::sregex_iterator();
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auto matchbegin = 0;
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for(std::sregex_iterator i = tagsbegin; i != tagsend; ++i)
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{
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std::smatch match = *i;
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auto matchlength = match.length(0);
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auto matchpos = match.position();
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result += input.substr(matchbegin, matchpos - matchbegin);
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result += callback(match);
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matchbegin = matchpos + matchlength;
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}
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result += input.substr(matchbegin);
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return result;
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}
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}
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