123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
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/**
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* Copyright (C) 2013 Citrus Emulator
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*
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* @file loader.cpp
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* @author ShizZy <shizzy247@gmail.com>
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* @date 2013-09-18
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* @brief Loads bootable binaries into the emu
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*
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* @section LICENSE
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details at
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* http://www.gnu.org/copyleft/gpl.html
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*
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* Official project repository can be found at:
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* http://code.google.com/p/gekko-gc-emu/
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*/
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#include "file_util.h"
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#include "loader.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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bool _Load_BIN(std::string &filename) {
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File::IOFile f(filename, "rb");
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if (f.IsOpen()) {
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// TODO(ShizZy): read here to memory....
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}
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return true;
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}
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namespace Loader {
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/**
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* Identifies the type of a bootable file
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* @param filename String filename of bootable file
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* @todo (ShizZy) this function sucks... make it actually check file contents etc.
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* @return FileType of file
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*/
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FileType IdentifyFile(std::string &filename) {
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if (filename.size() == 0) {
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ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
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return FILETYPE_ERROR;
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}
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std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
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if (File::IsDirectory(filename)) {
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return FILETYPE_NORMAL_DIRECTORY;
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} else if (!strcasecmp(extension.c_str(),".bin")) {
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return FILETYPE_3DS_BIN;
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} else if (!strcasecmp(extension.c_str(),".zip")) {
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return FILETYPE_ARCHIVE_ZIP;
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} else if (!strcasecmp(extension.c_str(),".rar")) {
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return FILETYPE_ARCHIVE_RAR;
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} else if (!strcasecmp(extension.c_str(),".r00")) {
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return FILETYPE_ARCHIVE_RAR;
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} else if (!strcasecmp(extension.c_str(),".r01")) {
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return FILETYPE_ARCHIVE_RAR;
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}
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return FILETYPE_UNKNOWN;
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}
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/**
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* Identifies and loads a bootable file
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* @param filename String filename of bootable file
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* @param error_string Point to string to put error message if an error has occurred
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* @return True on success, otherwise false
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*/
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bool LoadFile(std::string &filename, std::string *error_string) {
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INFO_LOG(LOADER,"Identifying file...");
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// Note that this can modify filename!
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switch (IdentifyFile(filename)) {
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case FILETYPE_3DS_BIN:
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{
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INFO_LOG(LOADER,"File is a BIN !");
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return _Load_BIN(filename);
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}
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case FILETYPE_ERROR:
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ERROR_LOG(LOADER, "Could not read file");
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*error_string = "Error reading file";
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break;
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case FILETYPE_ARCHIVE_RAR:
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#ifdef WIN32
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*error_string = "RAR file detected (Require WINRAR)";
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#else
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*error_string = "RAR file detected (Require UnRAR)";
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#endif
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break;
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case FILETYPE_ARCHIVE_ZIP:
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#ifdef WIN32
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*error_string = "ZIP file detected (Require WINRAR)";
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#else
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*error_string = "ZIP file detected (Require UnRAR)";
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#endif
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break;
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case FILETYPE_NORMAL_DIRECTORY:
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ERROR_LOG(LOADER, "Just a directory.");
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*error_string = "Just a directory.";
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break;
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case FILETYPE_UNKNOWN_BIN:
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case FILETYPE_UNKNOWN_ELF:
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case FILETYPE_UNKNOWN:
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default:
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ERROR_LOG(LOADER, "Failed to identify file");
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*error_string = "Failed to identify file";
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break;
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}
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return false;
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}
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} // namespace
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