qsmaddy/include/maddy/paragraphparser.h
2017-12-25 12:22:35 +01:00

115 lines
2.2 KiB
C++

/*
* This project is licensed under the MIT license. For more information see the
* LICENSE file.
*/
#pragma once
// -----------------------------------------------------------------------------
#include <functional>
#include <string>
#include "maddy/blockparser.h"
// -----------------------------------------------------------------------------
namespace maddy {
// -----------------------------------------------------------------------------
/**
* ParagraphParser
*
* @class
*/
class ParagraphParser : public BlockParser
{
public:
/**
* ctor
*
* @method
* @param {std::function<void(std::string&)>} parseLineCallback
* @param {std::function<std::shared_ptr<BlockParser>(const std::string& line)>} getBlockParserForLineCallback
*/
ParagraphParser(
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 is not empty, it will be a paragraph. So this block parser has
* to always run as the last one!
*
* @method
* @param {const std::string&} line
* @return {bool}
*/
static bool
IsStartingLine(const std::string& line)
{
return !line.empty();
}
/**
* IsFinished
*
* An empty line will end the paragraph.
*
* @method
* @return {bool}
*/
bool
IsFinished() const override
{
return this->isFinished;
}
protected:
bool
isInlineBlockAllowed() const override
{
return false;
}
bool
isLineParserAllowed() const override
{
return true;
}
void
parseBlock(std::string& line) override
{
if (!this->isStarted)
{
line = "<p>" + line + " ";
this->isStarted = true;
return;
}
if (line.empty())
{
line += "</p>";
this->isFinished = true;
return;
}
line += " ";
}
private:
bool isStarted;
bool isFinished;
}; // class ParagraphParser
// -----------------------------------------------------------------------------
} // namespace maddy