137 lines
3.2 KiB
C++
137 lines
3.2 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 <functional>
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#include <regex>
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#include <string>
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#include "blockparser.h"
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// -----------------------------------------------------------------------------
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namespace maddy {
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// -----------------------------------------------------------------------------
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/**
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* OrderedListParser
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*
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* @class
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*/
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class OrderedListParser : public BlockParser
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{
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public:
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/**
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* ctor
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*
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* @method
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* @param {std::function<void(std::string&)>} parseLineCallback
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* @param {std::function<std::shared_ptr<BlockParser>(const std::string& line)>} getBlockParserForLineCallback
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*/
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OrderedListParser( std::function<void(std::string&)> aParseLineCallback,
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std::function<std::shared_ptr<BlockParser>(const std::string& line)> aGetBlockParserForLineCallback
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)
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: BlockParser( aParseLineCallback, aGetBlockParserForLineCallback ),
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isStarted( false ),
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isFinished( false )
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{}
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/**
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* IsStartingLine
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*
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* An ordered list starts with `1. `.
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*
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* @method
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* @param {const std::string&} line
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* @return {bool}
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*/
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static bool IsStartingLine( const std::string& line )
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{
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static std::regex re( "^1\\. .*" );
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return std::regex_match( line, re );
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}
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/**
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* IsFinished
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*
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* @method
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* @return {bool}
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*/
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bool IsFinished() const override
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{
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return this->isFinished;
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}
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protected:
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bool isInlineBlockAllowed() const override
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{
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return true;
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}
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bool isLineParserAllowed() const override
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{
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return true;
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}
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void parseBlock( std::string& line ) override
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{
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bool isStartOfNewListItem = this->isStartOfNewListItem( line );
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uint32_t indentation = getIndentationWidth( line );
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static std::regex orderedlineRegex( "^1\\. " );
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line = std::regex_replace( line, orderedlineRegex, "" );
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static std::regex unorderedlineRegex( "^(\\* )" );
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line = std::regex_replace( line, unorderedlineRegex, "" );
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if( !this->isStarted )
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{
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line = "<ol><li>" + line;
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this->isStarted = true;
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return;
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}
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if( indentation >= 2 )
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{
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line = line.substr( 2 );
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return;
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}
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if(
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line.empty()
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|| line.find( "</li><li>" ) != std::string::npos
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|| line.find( "</li></ol>" ) != std::string::npos
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|| line.find( "</li></ul>" ) != std::string::npos
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)
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{
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line = "</li></ol>" + line;
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this->isFinished = true;
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return;
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}
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if( isStartOfNewListItem )
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{
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line = "</li><li>" + line;
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}
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}
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private:
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bool isStarted;
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bool isFinished;
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bool isStartOfNewListItem( const std::string& line ) const
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{
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static std::regex re( "^(?:1\\. |\\* ).*" );
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return std::regex_match( line, re );
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}
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}; // class OrderedListParser
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// -----------------------------------------------------------------------------
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} // namespace maddy
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