💿🐜 Antkeeper source code https://antkeeper.com
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/*
* Copyright (C) 2017-2019 Christopher J. Howard
*
* This file is part of Antkeeper Source Code.
*
* Antkeeper Source Code is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Antkeeper Source Code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Antkeeper Source Code. If not, see <http://www.gnu.org/licenses/>.
*/
#include "resource-loader.hpp"
#include "csv-table.hpp"
static CSVRow parseRow(const std::string& line)
{
std::vector<std::string> row;
std::string column;
bool quoted = false;
bool escape = false;
for (char c: line)
{
if (escape)
{
switch (c)
{
case 'n':
column.push_back('\n');
break;
case 't':
column.push_back('\t');
break;
default:
column.push_back(c);
break;
}
escape = false;
}
else
{
switch (c)
{
case '\\':
escape = true;
break;
case ',':
if (quoted)
{
column.push_back(c);
}
else
{
row.push_back(column);
column.clear();
}
break;
case '"':
if (!quoted)
{
quoted = true;
}
else
{
quoted = false;
}
break;
default:
column.push_back(c);
break;
}
}
}
row.push_back(column);
return row;
}
template <>
CSVTable* ResourceLoader<CSVTable>::load(ResourceManager* resourceManager, std::istream* is)
{
CSVTable* table = new CSVTable();
std::string line;
while (!is->eof())
{
std::getline(*is, line);
if (is->bad() || is->fail())
{
break;
}
table->push_back(parseRow(line));
}
return table;
}
template <>
void ResourceLoader<CSVTable>::save(ResourceManager* resourceManager, std::ostream* os, const CSVTable* table)
{
for (std::size_t i = 0; i < table->size(); ++i)
{
const CSVRow& row = (*table)[i];
for (std::size_t j = 0; j < row.size(); ++j)
{
const CSVEntry& column = row[j];
(*os) << column;
if (j < row.size() - 1)
{
(*os) << ",";
}
}
if (i < table->size() - 1)
{
(*os) << std::endl;
}
}
}