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https://github.com/scummvm/scummvm.git
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93 lines
3 KiB
C++
93 lines
3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "glk/hugo/resource_archive.h"
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#include "glk/hugo/hugo.h"
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#include "common/algorithm.h"
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#include "common/memstream.h"
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namespace Glk {
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namespace Hugo {
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bool ResourceArchive::splitName(const Common::String &name,
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Common::String &filename, Common::String &resName) {
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size_t commaIndex = name.findFirstOf(',');
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if (commaIndex == Common::String::npos)
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return false;
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filename = Common::String(name.c_str(), commaIndex);
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resName = Common::String(name.c_str() + commaIndex + 1);
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if (resName.hasSuffixIgnoreCase(".jpg"))
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resName = Common::String(resName.c_str(), resName.size() - 4);
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else if (resName.hasSuffixIgnoreCase(".jpeg"))
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resName = Common::String(resName.c_str(), resName.size() - 5);
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else if (resName.contains("."))
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return false;
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return true;
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}
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bool ResourceArchive::hasFile(const Common::Path &path) const {
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Common::String filename, resName;
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if (!splitName(path.baseName(), filename, resName))
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return false;
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size_t resLength = g_vm->FindResource(filename.c_str(), resName.c_str());
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g_vm->hugo_fclose(g_vm->resource_file);
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return resLength != 0;
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}
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const Common::ArchiveMemberPtr ResourceArchive::getMember(const Common::Path &path) const {
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if (!hasFile(path))
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return Common::ArchiveMemberPtr();
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return Common::ArchiveMemberPtr(new Common::GenericArchiveMember(path, *this));
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}
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Common::SeekableReadStream *ResourceArchive::createReadStreamForMember(const Common::Path &path) const {
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Common::String filename, resName;
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// Split up the file and resource entry; return if it's not one
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if (!splitName(path.baseName(), filename, resName))
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return nullptr;
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// Try and get the entry details from the given file
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size_t resLength = g_vm->FindResource(filename.c_str(), resName.c_str());
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if (!resLength) {
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g_vm->hugo_fclose(g_vm->resource_file);
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return nullptr;
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}
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// Otherwise, load the specified resource
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byte *buffer = (byte *)malloc(resLength);
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g_vm->glk_get_buffer_stream(g_vm->resource_file, (char *)buffer, resLength);
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g_vm->hugo_fclose(g_vm->resource_file);
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// Return a stream to allow access to the data
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return new Common::MemoryReadStream(buffer, resLength, DisposeAfterUse::YES);
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}
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} // End of namespace Hugo
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} // End of namespace Glk
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