qsmaddy/include/maddy/strongparser.h
Patrick José Pereira eb2b4fa929 strongparser: Add __ tag
Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>
2018-10-25 11:34:08 -03:00

60 lines
1.4 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 {
// -----------------------------------------------------------------------------
/**
* StrongParser
*
* Has to be used before the `EmphasizedParser`.
*
* @class
*/
class StrongParser : public LineParser
{
public:
/**
* Parse
*
* From Markdown: `text **text** __text__`
*
* To HTML: `text <strong>text</strong> <strong>text</strong>`
*
* @method
* @param {std::string&} line The line to interpret
* @return {void}
*/
void
Parse(std::string& line) override
{
static std::vector<std::regex> res
{
std::regex{"(?!.*`.*|.*<code>.*)\\*\\*(?!.*`.*|.*<\\/code>.*)([^\\*\\*]*)\\*\\*(?!.*`.*|.*<\\/code>.*)"},
std::regex{"(?!.*`.*|.*<code>.*)\\_\\_(?!.*`.*|.*<\\/code>.*)([^\\_\\_]*)\\_\\_(?!.*`.*|.*<\\/code>.*)"}
};
static std::string replacement = "<strong>$1</strong>";
for (const auto& re : res)
{
line = std::regex_replace(line, re, replacement);
}
}
}; // class StrongParser
// -----------------------------------------------------------------------------
} // namespace maddy