Initial commit

common/zip-set.cpp

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+/* 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.getPath(packsPath).empty()) {
+		FSDirectory *iconDir = new FSDirectory(ConfMan.getPath(packsPath));
+		ArchiveMemberList iconFiles;
+
+		iconDir->listMatchingMembers(iconFiles, packsMask);
+		sort(iconFiles.begin(), iconFiles.end(), ArchiveMemberListBackComparator());
+
+		for (auto &ic : iconFiles) {
+			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(ConfMan.getPath("themepath").join(defaultFile).normalize());
+		if (fs->exists()) {
+			dat = makeZipArchive(*fs);
+		}
+		delete fs;
+	}
+
+	if (!dat) {
+		File *file = new File;
+		if (ConfMan.hasKey(packsPath)) {
+			Path path(ConfMan.getPath(packsPath).join(defaultFile).normalize());
+
+			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