💿🐜 Antkeeper source code https://antkeeper.com
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/*
* Copyright (C) 2020 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 "string-table.hpp"
#include <physfs.h>
static string_table_row parse_row(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 <>
string_table* resource_loader<string_table>::load(resource_manager* resource_manager, PHYSFS_File* file)
{
string_table* table = new string_table();
std::string line;
while (!PHYSFS_eof(file))
{
physfs_getline(file, line);
table->push_back(parse_row(line));
}
return table;
}
template <>
void resource_loader<string_table>::save(resource_manager* resource_manager, PHYSFS_File* file, const string_table* table)
{
const char* delimeter = ",";
const char* newline = "\n";
for (std::size_t i = 0; i < table->size(); ++i)
{
const string_table_row& row = (*table)[i];
for (std::size_t j = 0; j < row.size(); ++j)
{
const std::string& column = row[j];
PHYSFS_writeBytes(file, column.data(), column.length());
if (j < row.size() - 1)
{
PHYSFS_writeBytes(file, delimeter, 1);
}
}
if (i < table->size() - 1)
{
PHYSFS_writeBytes(file, newline, 1);
}
}
}