- /*
- * 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);
- }
- }
- }
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