💿🐜 Antkeeper source code
https://antkeeper.com
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137 lines
2.7 KiB
137 lines
2.7 KiB
/*
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* Copyright (C) 2021 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "resource-loader.hpp"
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#include "string-table.hpp"
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#include <physfs.h>
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static string_table_row parse_row(const std::string& line)
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{
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std::vector<std::string> row;
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std::string column;
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bool quoted = false;
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bool escape = false;
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for (char c: line)
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{
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if (escape)
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{
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switch (c)
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{
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case 'n':
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column.push_back('\n');
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break;
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case 't':
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column.push_back('\t');
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break;
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default:
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column.push_back(c);
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break;
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}
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escape = false;
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}
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else
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{
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switch (c)
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{
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case '\\':
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escape = true;
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break;
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case ',':
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if (quoted)
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{
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column.push_back(c);
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}
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else
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{
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row.push_back(column);
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column.clear();
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}
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break;
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case '"':
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if (!quoted)
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{
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quoted = true;
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}
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else
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{
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quoted = false;
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}
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break;
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default:
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column.push_back(c);
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break;
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}
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}
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}
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row.push_back(column);
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return row;
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}
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template <>
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string_table* resource_loader<string_table>::load(resource_manager* resource_manager, PHYSFS_File* file, const std::filesystem::path& path)
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{
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string_table* table = new string_table();
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std::string line;
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while (!PHYSFS_eof(file))
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{
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physfs_getline(file, line);
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table->push_back(parse_row(line));
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}
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return table;
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}
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template <>
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void resource_loader<string_table>::save(resource_manager* resource_manager, PHYSFS_File* file, const std::filesystem::path& path, const string_table* table)
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{
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const char* delimeter = ",";
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const char* newline = "\n";
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for (std::size_t i = 0; i < table->size(); ++i)
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{
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const string_table_row& row = (*table)[i];
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for (std::size_t j = 0; j < row.size(); ++j)
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{
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const std::string& column = row[j];
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PHYSFS_writeBytes(file, column.data(), column.length());
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if (j < row.size() - 1)
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{
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PHYSFS_writeBytes(file, delimeter, 1);
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}
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}
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if (i < table->size() - 1)
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{
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PHYSFS_writeBytes(file, newline, 1);
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}
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}
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}
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