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Diffstat (limited to 'engines/kyra/resource/resource_intern.h')
| -rw-r--r-- | engines/kyra/resource/resource_intern.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/engines/kyra/resource/resource_intern.h b/engines/kyra/resource/resource_intern.h new file mode 100644 index 0000000000..530df51f35 --- /dev/null +++ b/engines/kyra/resource/resource_intern.h @@ -0,0 +1,146 @@ +/* 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 2 + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef KYRA_RESOURCE_INTERN_H +#define KYRA_RESOURCE_INTERN_H + +#include "common/archive.h" +#include "common/hash-str.h" +#include "common/hashmap.h" +#include "common/str.h" +#include "common/list.h" + +namespace Kyra { + +class Resource; + +class PlainArchive : public Common::Archive { +public: + struct Entry { + Entry() : offset(0), size(0) {} + Entry(uint32 o, uint32 s) : offset(o), size(s) {} + + uint32 offset; + uint32 size; + }; + + PlainArchive(Common::ArchiveMemberPtr file); + + void addFileEntry(const Common::String &name, const Entry entry); + Entry getFileEntry(const Common::String &name) const; + + // Common::Archive API implementation + bool hasFile(const Common::String &name) const; + int listMembers(Common::ArchiveMemberList &list) const; + const Common::ArchiveMemberPtr getMember(const Common::String &name) const; + Common::SeekableReadStream *createReadStreamForMember(const Common::String &name) const; +private: + typedef Common::HashMap<Common::String, Entry, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> FileMap; + + Common::ArchiveMemberPtr _file; + FileMap _files; +}; + +class TlkArchive : public Common::Archive { +public: + TlkArchive(Common::ArchiveMemberPtr file, uint16 entryCount, const uint32 *fileEntries); + ~TlkArchive(); + + bool hasFile(const Common::String &name) const; + int listMembers(Common::ArchiveMemberList &list) const; + const Common::ArchiveMemberPtr getMember(const Common::String &name) const; + Common::SeekableReadStream *createReadStreamForMember(const Common::String &name) const; +private: + Common::ArchiveMemberPtr _file; + + const uint32 *findFile(const Common::String &name) const; + + const uint16 _entryCount; + const uint32 *const _fileEntries; +}; + +class CachedArchive : public Common::Archive { +public: + struct InputEntry { + Common::String name; + + byte *data; + uint32 size; + }; + + typedef Common::List<InputEntry> FileInputList; + + CachedArchive(const FileInputList &files); + ~CachedArchive(); + + bool hasFile(const Common::String &name) const; + int listMembers(Common::ArchiveMemberList &list) const; + const Common::ArchiveMemberPtr getMember(const Common::String &name) const; + Common::SeekableReadStream *createReadStreamForMember(const Common::String &name) const; +private: + struct Entry { + byte *data; + uint32 size; + }; + + typedef Common::HashMap<Common::String, Entry, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> FileMap; + FileMap _files; +}; + + +class ResArchiveLoader { +public: + virtual ~ResArchiveLoader() {} + virtual bool checkFilename(Common::String filename) const = 0; + virtual bool isLoadable(const Common::String &filename, Common::SeekableReadStream &stream) const = 0; + virtual Common::Archive *load(Common::ArchiveMemberPtr file, Common::SeekableReadStream &stream) const = 0; +}; + +class ResLoaderPak : public ResArchiveLoader { +public: + bool checkFilename(Common::String filename) const; + bool isLoadable(const Common::String &filename, Common::SeekableReadStream &stream) const; + Common::Archive *load(Common::ArchiveMemberPtr file, Common::SeekableReadStream &stream) const; +}; + +class ResLoaderInsMalcolm : public ResArchiveLoader { +public: + bool checkFilename(Common::String filename) const; + bool isLoadable(const Common::String &filename, Common::SeekableReadStream &stream) const; + Common::Archive *load(Common::ArchiveMemberPtr file, Common::SeekableReadStream &stream) const; +}; + +class ResLoaderTlk : public ResArchiveLoader { +public: + bool checkFilename(Common::String filename) const; + bool isLoadable(const Common::String &filename, Common::SeekableReadStream &stream) const; + Common::Archive *load(Common::ArchiveMemberPtr file, Common::SeekableReadStream &stream) const; +}; + +class InstallerLoader { +public: + static Common::Archive *load(Resource *owner, const Common::String &filename, const Common::String &extension, const uint8 offset); +}; + +} // End of namespace Kyra + +#endif |