rcpp_framework/libs/maddy/emphasizedparser.h

54 lines
1.2 KiB
C++

/*
* This project is licensed under the MIT license. For more information see the
* LICENSE file.
*/
#pragma once
// -----------------------------------------------------------------------------
#include <string>
#include <regex>
#include "maddy/lineparser.h"
// -----------------------------------------------------------------------------
namespace maddy {
// -----------------------------------------------------------------------------
/**
* EmphasizedParser
*
* Has to be used after the `StrongParser`.
*
* @class
*/
class EmphasizedParser : public LineParser
{
public:
/**
* Parse
*
* From Markdown: `text _text_`
*
* To HTML: `text <em>text</em>`
*
* @method
* @param {std::string&} line The line to interpret
* @return {void}
*/
void
Parse(std::string& line) override
{
static std::regex re("(?!.*`.*|.*<code>.*)_(?!.*`.*|.*<\\/code>.*)([^_]*)_(?!.*`.*|.*<\\/code>.*)");
static std::string replacement = "<em>$1</em>";
line = std::regex_replace(line, re, replacement);
}
}; // class EmphasizedParser
// -----------------------------------------------------------------------------
} // namespace maddy