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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 {
// -----------------------------------------------------------------------------
/**
* TableParser
*
* For more information, see the docs folder.
*
* @class
*/
class TableParser : public BlockParser
{
public:
/**
* ctor
*
* @method
* @param {std::function<void(std::string&)>} parseLineCallback
* @param {std::function<std::shared_ptr<BlockParser>(const std::string& line)>} getBlockParserForLineCallback
*/
TableParser(
std::function<void(std::string&)> parseLineCallback,
std::function<std::shared_ptr<BlockParser>(const std::string& line)> getBlockParserForLineCallback
)
: BlockParser(parseLineCallback, getBlockParserForLineCallback)
, isStarted(false)
, isFinished(false)
, currentBlock(0)
, currentRow(0)
{}
/**
* IsStartingLine
*
* If the line has exact `|table>`, then it is starting the table.
*
* @method
* @param {const std::string&} line
* @return {bool}
*/
static bool
IsStartingLine(const std::string& line)
{
static std::string matchString("|table>");
return line == matchString;
}
/**
* AddLine
*
* Adding a line which has to be parsed.
*
* @method
* @param {std::string&} line
* @return {void}
*/
void
AddLine(std::string& line) override
{
if (!this->isStarted && line == "|table>")
{
this->isStarted = true;
return;
}
if (this->isStarted)
{
if (line == "- | - | -")
{
++this->currentBlock;
this->currentRow = 0;
return;
}
if (line == "|<table")
{
static std::string emptyLine = "";
this->parseBlock(emptyLine);
this->isFinished = true;
return;
}
if (this->table.size() < this->currentBlock + 1)
{
this->table.push_back(std::vector<std::vector<std::string>>());
}
this->table[this->currentBlock].push_back(std::vector<std::string>());
std::string segment;
std::stringstream streamToSplit(line);
while (std::getline(streamToSplit, segment, '|'))
{
this->parseLine(segment);
this->table[this->currentBlock][this->currentRow].push_back(segment);
}
++this->currentRow;
}
}
/**
* IsFinished
*
* A table ends with `|<table`.
*
* @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&) override
{
result << "<table>";
bool hasHeader = false;
bool hasFooter = false;
bool isFirstBlock = true;
uint32_t currentBlockNumber = 0;
if (this->table.size() > 1)
{
hasHeader = true;
}
if (this->table.size() >= 3)
{
hasFooter = true;
}
for (const std::vector<std::vector<std::string>>& block : this->table)
{
bool isInHeader = false;
bool isInFooter = false;
++currentBlockNumber;
if (hasHeader && isFirstBlock)
{
result << "<thead>";
isInHeader = true;
}
else if (hasFooter && currentBlockNumber == this->table.size())
{
result << "<tfoot>";
isInFooter = true;
}
else
{
result << "<tbody>";
}
for (const std::vector<std::string>& row : block)
{
result << "<tr>";
for (const std::string& column : row)
{
if (isInHeader)
{
result << "<th>";
}
else
{
result << "<td>";
}
result << column;
if (isInHeader)
{
result << "</th>";
}
else
{
result << "</td>";
}
}
result << "</tr>";
}
if (isInHeader)
{
result << "</thead>";
}
else if (isInFooter)
{
result << "</tfoot>";
}
else
{
result << "</tbody>";
}
isFirstBlock = false;
}
result << "</table>";
}
private:
bool isStarted;
bool isFinished;
uint32_t currentBlock;
uint32_t currentRow;
std::vector<std::vector<std::vector<std::string>>> table;
}; // class TableParser
// -----------------------------------------------------------------------------
} // namespace maddy
|
