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https://github.com/progsource/maddy.git
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2a00c9fb0b
* Add regex for title text version of links Original parser matched: [name](http:://link) Add match for: [name](http:://link "title text") * Add tests and improve regex's * Several new tests in test_maddy_linkparser.cpp (Some with paths for future improvement, and one to ensure an overzealous future update doesn't disallow actually-used special characters like o-umlaut). * URLs now ignore leading/trailing spaces. * URLs now don't match on internal spaces or quotes. * Small grammar fix in CONTRIBUTING.md * Updated changelog.
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
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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// -----------------------------------------------------------------------------
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#include <regex>
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#include <string>
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#include "maddy/lineparser.h"
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// -----------------------------------------------------------------------------
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namespace maddy {
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// -----------------------------------------------------------------------------
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/**
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* LinkParser
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*
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* Has to be used after the `ImageParser`.
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*
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* @class
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*/
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class LinkParser : public LineParser
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{
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public:
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/**
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* Parse
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*
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* From Markdown: `[text](http://example.com)`
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*
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* To HTML: `<a href="http://example.com">text</a>`
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*
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* @method
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* @param {std::string&} line The line to interpret
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* @return {void}
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*/
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void Parse(std::string& line) override
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{
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// Match [name](http:://link "title text")
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// NOTE: the 'no quote' bit at the beginning (^") is a hack for now:
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// there should eventually be something that replaces it with '%22'.
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static std::regex re(R"(\[([^\]]*)\]\( *([^)^ ^"]*) *\"([^\"]*)\" *\))");
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static std::string replacement = "<a href=\"$2\" title=\"$3\">$1</a>";
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line = std::regex_replace(line, re, replacement);
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// Match [name](http:://link)
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static std::regex re2(R"(\[([^\]]*)\]\( *([^)^ ^"]*) *\))");
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static std::string replacement2 = "<a href=\"$2\">$1</a>";
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line = std::regex_replace(line, re2, replacement2);
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}
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}; // class LinkParser
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// -----------------------------------------------------------------------------
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} // namespace maddy
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