scummvm/common/zip-set.cpp
2023-01-08 01:15:52 +01:00

102 lines
2.8 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 <http://www.gnu.org/licenses/>.
*
*/
#include "common/config-manager.h"
#include "common/debug.h"
#include "common/file.h"
#include "common/zip-set.h"
#include "common/compression/unzip.h"
namespace Common {
struct ArchiveMemberListBackComparator {
bool operator()(const ArchiveMemberPtr &a, const ArchiveMemberPtr &b) {
return a->getName() > b->getName();
}
};
bool generateZipSet(SearchSet &searchSet, const char *defaultFile, const char *packsMask, const char *packsPath) {
Archive *dat;
bool changed = false;
if (!ConfMan.get(packsPath).empty()) {
FSDirectory *iconDir = new FSDirectory(ConfMan.get(packsPath));
ArchiveMemberList iconFiles;
iconDir->listMatchingMembers(iconFiles, packsMask);
sort(iconFiles.begin(), iconFiles.end(), ArchiveMemberListBackComparator());
for (ArchiveMemberList::iterator ic = iconFiles.begin(); ic != iconFiles.end(); ++ic) {
dat = makeZipArchive((*ic)->createReadStream());
if (dat) {
searchSet.add((*ic)->getName(), dat);
changed = true;
debug(2, "generateZipSet: Loaded pack file: %s", (*ic)->getName().c_str());
}
}
delete iconDir;
}
dat = nullptr;
if (ConfMan.hasKey("themepath")) {
FSNode *fs = new FSNode(normalizePath(ConfMan.get("themepath") + "/" + defaultFile, '/'));
if (fs->exists()) {
dat = makeZipArchive(*fs);
}
delete fs;
}
if (!dat) {
File *file = new File;
if (ConfMan.hasKey(packsPath)) {
String path(normalizePath(ConfMan.get(packsPath) + "/" + defaultFile, '/'));
if (File::exists(path))
file->open(path);
}
if (!file->isOpen())
if (File::exists(defaultFile))
file->open(defaultFile);
if (file->isOpen())
dat = makeZipArchive(defaultFile);
if (!dat) {
warning("generateZipSet: Could not find '%s'", defaultFile);
delete file;
}
}
if (dat) {
searchSet.add(defaultFile, dat);
changed = true;
debug(2, "generateZipSet: Loaded pack file: %s", defaultFile);
}
return changed;
}
} // End of namespace Common