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/*
* This project is licensed under the MIT license. For more information see the
* LICENSE file.
*/
#pragma once
// -----------------------------------------------------------------------------
#include <functional>
#include <string>
#include <regex>
#include "maddy/blockparser.h"
// -----------------------------------------------------------------------------
namespace maddy {
// -----------------------------------------------------------------------------
/**
* CodeBlockParser
*
* From Markdown: 3 times surrounded code (without space in the beginning)
*
* ```
* ```
* some code
* ```
* ```
*
* To HTML:
*
* ```
* <pre><code>
* some code
* </code></pre>
* ```
*
* @class
*/
class CodeBlockParser : public BlockParser
{
public:
/**
* ctor
*
* @method
* @param {std::function<void(std::string&)>} parseLineCallback
* @param {std::function<std::shared_ptr<BlockParser>(const std::string& line)>} getBlockParserForLineCallback
*/
CodeBlockParser(
std::function<void(std::string&)> parseLineCallback,
std::function<std::shared_ptr<BlockParser>(const std::string& line)> getBlockParserForLineCallback
)
: BlockParser(parseLineCallback, getBlockParserForLineCallback)
, isStarted(false)
, isFinished(false)
{}
/**
* IsStartingLine
*
* If the line starts with three code signs, then it is a code block.
*
* ```
* ```
* ```
*
* @method
* @param {const std::string&} line
* @return {bool}
*/
static bool
IsStartingLine(const std::string& line)
{
static std::regex re("^(?:`){3}$");
return std::regex_match(line, re);
}
/**
* IsFinished
*
* @method
* @return {bool}
*/
bool
IsFinished() const override
{
return this->isFinished;
}
protected:
bool
isInlineBlockAllowed() const override
{
return false;
}
bool
isLineParserAllowed() const override
{
return false;
}
void
parseBlock(std::string& line) override
{
if (line == "```")
{
if (!this->isStarted)
{
line = "<pre><code>\n";
this->isStarted = true;
this->isFinished = false;
return;
}
else
{
line = "</code></pre>";
this->isFinished = true;
this->isStarted = false;
return;
}
}
line += "\n";
}
private:
bool isStarted;
bool isFinished;
}; // class CodeBlockParser
// -----------------------------------------------------------------------------
} // namespace maddy
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