121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
/*
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Convert files from and to Apple Double format.
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Copyright (C) 2019, Guillaume Gonnet
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This program is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "conv/converters.h"
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namespace maconv {
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namespace conv {
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// Get the name of the other file.
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static bool GetOtherName(const std::string &input, std::string &other)
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{
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bool is_res = input.size() >= 4 && input.compare(input.size() - 4, 4, ".rsrc") == 0;
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if (is_res)
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other = input.substr(0, input.size() - 4);
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else
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other = input + ".rsrc";
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return is_res;
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}
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static bool IsFileRessource(const std::string &input)
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{
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auto filename = Path(input).filename();
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return (filename.substr(0, 2) == "._") || (filename.substr(0, 1) == "%") ||
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(input.size() >= 4 && input.compare(input.size() - 4, 4, ".rsrc") == 0);
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}
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static bool GetRessourceFile(const std::string &input)
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{
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auto filename = Path(input).filename();
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auto folder = input.substr(0, input.size() - filename.size());
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// The file given is a ressource file.
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bool is_res =
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if (is_res) {
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}
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// Serach for a ressource file.
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std::string other;
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if (Path(folder + "._" + filename).is_file())
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other = folder + "._" + filename;
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else if (Path(folder + "%" + filename).is_file())
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other = folder + "%" + filename;
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else if (Path(input + ".rsrc").is_file())
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other = input + ".rsrc";
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else
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return false;
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}
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// Read and decode a Apple Double file.
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bool ReadAppleDouble(fs::FileReader &reader, UnPacked &u)
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{
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// If the file given it's a not a ressource file: read the res.
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if (!IsFileRessource(reader.filename)) {
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IS_COND(GetRessourceFile(u.n2));
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int size = ReadLocalFile(u.n2, u.d2);
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fs::FileReader res_reader {u.d2.get(), size, u.n2};
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IS_COND(IsAppleDouble(res_reader));
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ReadRessourceInfo(res_reader, u.file);
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ReadDataFork(reader, u.file);
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}
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// The file given it's a ressource file.
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else {
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IS_COND(IsAppleDouble(reader));
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ReadRessourceInfo(reader, u.file);
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if (!GetDataFile(u.n2)) return true;
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int size = ReadLocalFile(u.n2, u.d2);
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fs::FileReader data_reader {u.d2.get(), size, u.n2};
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ReadDataFork(data_reader, u.file);
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}
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return true;
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}
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// Write a Apple Double file.
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void WriteAppleDouble(fs::File &file, const std::string &name)
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{
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// TODO.
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}
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} // namespace maconv
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} // namespace conv
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