*/
class PackSource: public CollectionSource
{
+public:
+ struct FileInfo
+ {
+ std::string name;
+ IO::SeekOffset size;
+ };
+
private:
class File;
- struct Object;
+ class Object;
+ typedef std::map<std::string, const File *> FileMap;
typedef std::map<std::string, const Object *> ObjectMap;
class Pack
private:
std::string filename;
- unsigned base_offset;
+ IO::Seekable *io;
+ IO::SeekOffset base_offset;
std::list<File> files;
public:
- Pack(const std::string &);
+ Pack(IO::Seekable *, const std::string &);
const std::string &get_filename() const { return filename; }
- unsigned get_base_offset() const { return base_offset; }
+ IO::Seekable *get_io() const { return io; }
+ IO::SeekOffset get_base_offset() const { return base_offset; }
- void collect_objects(ObjectMap &) const;
+ void collect_files(FileMap &, const std::string &) const;
};
class File
private:
const Pack &pack;
std::string filename;
- unsigned offset;
- unsigned length;
+ IO::SeekOffset offset;
+ IO::SeekOffset length;
bool collection;
std::list<Object> objects;
- bool loaded;
public:
File(const Pack &, const std::string &);
- RefPtr<IO::Base> open() const;
+ RefPtr<IO::Seekable> open() const;
const std::string &get_filename() const { return filename; }
+ FileInfo get_info() const;
std::string get_full_name() const;
bool is_collection() const { return collection; }
- void set_loaded();
- bool is_loaded() const { return loaded; }
-
void collect_objects(ObjectMap &) const;
};
};
std::list<Pack> packs;
+ FileMap files;
ObjectMap objects;
public:
/// Adds a pack file to load objects from. The index is read immediately.
void add_pack_file(const std::string &);
+ /** Adds a pack file with a regex to filter logical files. The index is
+ read on the first call; subsequent calls will use cached data. */
+ void add_pack_file(const std::string &, const std::string &);
+
+ /** Adds a pack from an existing seekable I/O object. The same object is
+ used for all accesses to the pack, so it must not be deleted before the
+ PackSource. */
+ void add_pack_io(IO::Seekable &, const std::string & = std::string());
+
+ /** Adds a pack from an I/O object with a regex to filter logical files.
+ Multiple filters for the same I/O object can be added with repeated calls. */
+ void add_pack_io(IO::Seekable &, const std::string &, const std::string &);
+
+private:
+ void add_pack(IO::Seekable *, const std::string &, const std::string &);
+
+public:
+ /// Returns information about the files in the pack.
+ std::list<FileInfo> list_files() const;
virtual bool is_loadable(const CollectionItemTypeBase &, const std::string &) const;
virtual NameList get_names(const CollectionItemTypeBase &) const;
virtual void load(Collection &, const CollectionItemTypeBase &, const std::string &) const;
+ virtual IO::Seekable *open(const std::string &) const;
};
} // namespace DataFile