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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 "glk/hugo/resource_archive.h"
#include "glk/hugo/hugo.h"
#include "common/algorithm.h"
#include "common/memstream.h"
namespace Glk {
namespace Hugo {
bool ResourceArchive::splitName(const Common::String &name,
Common::String &filename, Common::String &resName) {
size_t commaIndex = name.findFirstOf(',');
if (commaIndex == Common::String::npos)
return false;
filename = Common::String(name.c_str(), commaIndex);
resName = Common::String(name.c_str() + commaIndex + 1);
if (resName.hasSuffixIgnoreCase(".jpg"))
resName = Common::String(resName.c_str(), resName.size() - 4);
else if (resName.hasSuffixIgnoreCase(".jpeg"))
resName = Common::String(resName.c_str(), resName.size() - 5);
else if (resName.contains("."))
return false;
return true;
}
bool ResourceArchive::hasFile(const Common::Path &path) const {
Common::String filename, resName;
if (!splitName(path.baseName(), filename, resName))
return false;
size_t resLength = g_vm->FindResource(filename.c_str(), resName.c_str());
g_vm->hugo_fclose(g_vm->resource_file);
return resLength != 0;
}
const Common::ArchiveMemberPtr ResourceArchive::getMember(const Common::Path &path) const {
if (!hasFile(path))
return Common::ArchiveMemberPtr();
return Common::ArchiveMemberPtr(new Common::GenericArchiveMember(path, *this));
}
Common::SeekableReadStream *ResourceArchive::createReadStreamForMember(const Common::Path &path) const {
Common::String filename, resName;
// Split up the file and resource entry; return if it's not one
if (!splitName(path.baseName(), filename, resName))
return nullptr;
// Try and get the entry details from the given file
size_t resLength = g_vm->FindResource(filename.c_str(), resName.c_str());
if (!resLength) {
g_vm->hugo_fclose(g_vm->resource_file);
return nullptr;
}
// Otherwise, load the specified resource
byte *buffer = (byte *)malloc(resLength);
g_vm->glk_get_buffer_stream(g_vm->resource_file, (char *)buffer, resLength);
g_vm->hugo_fclose(g_vm->resource_file);
// Return a stream to allow access to the data
return new Common::MemoryReadStream(buffer, resLength, DisposeAfterUse::YES);
}
} // End of namespace Hugo
} // End of namespace Glk
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