112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
/*
|
|
|
|
All supported formats for file conversion.
|
|
|
|
Copyright (C) 2019, Guillaume Gonnet
|
|
|
|
This program 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.
|
|
|
|
This program 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
|
|
this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "fs/file.h"
|
|
#include "fs/file_reader.h"
|
|
#include "fs/file_writer.h"
|
|
|
|
#include <fstream>
|
|
|
|
namespace maconv {
|
|
|
|
|
|
// Data for unpacked files.
|
|
struct UnPacked {
|
|
fs::DataPtr d1, d2; // Data from opened files.
|
|
fs::File file; // The unpacked file.
|
|
std::string n1, n2; // Input file names.
|
|
};
|
|
|
|
|
|
// Convertion data with a single input file.
|
|
struct ConvDataSingle {
|
|
using TestF = bool (*)(fs::FileReader &);
|
|
using ReaderF = void (*)(fs::FileReader &, fs::File &);
|
|
using WriterF = void (*)(fs::File &, fs::FileWriter &);
|
|
|
|
const char *name; // Converter name.
|
|
const char *ext; // File extension.
|
|
TestF test;
|
|
ReaderF read;
|
|
WriterF write;
|
|
};
|
|
|
|
|
|
// Convertion data with two input files.
|
|
struct ConvDataDouble {
|
|
using ReaderF = bool (*)(fs::FileReader &reader, UnPacked &u);
|
|
using WriterF = void (*)(fs::File &, const std::string &);
|
|
|
|
const char *name; // Converter name.
|
|
ReaderF read;
|
|
WriterF write;
|
|
};
|
|
|
|
|
|
// Store data about a convertion format.
|
|
struct ConvData {
|
|
enum { NotFound, Single, Double } type;
|
|
union { void *v; ConvDataSingle *s; ConvDataDouble *d; };
|
|
};
|
|
|
|
|
|
|
|
// Prefered conversion format.
|
|
extern ConvData prefered_conv;
|
|
|
|
// Single converters (converters that need only one file).
|
|
constexpr int kNumFormatsSingle = 3;
|
|
extern ConvDataSingle formats_single[kNumFormatsSingle];
|
|
|
|
// Double converters (converters that need two files).
|
|
constexpr int kNumFormatsDouble = 2;
|
|
extern ConvDataDouble formats_double[kNumFormatsDouble];
|
|
|
|
|
|
|
|
// Get a format converter from its name.
|
|
ConvData GetConverter(const std::string &name);
|
|
|
|
// Guess a file format by its extension.
|
|
std::string GuessFormatByExtension(const std::string &filename);
|
|
|
|
// Get a filename for a converter.
|
|
std::string GetFilenameFor(const std::string &original, ConvData conv);
|
|
|
|
|
|
// Unpack a single file.
|
|
bool UnPackSingle(fs::File &file, fs::FileReader &reader);
|
|
|
|
// Unpack a local file (recursively).
|
|
UnPacked UnPackLocalFile(const std::string &input, bool recurs = true);
|
|
|
|
|
|
// Extract an archive or a disk.
|
|
bool ExtractArchiveOrDisk(UnPacked &u, const std::string &output);
|
|
|
|
|
|
// Pack a local file.
|
|
void PackLocalFile(fs::File &file, const std::string &filename, ConvData data);
|
|
|
|
|
|
} // namespace maconv
|