X-Git-Url: http://git.tdb.fi/?p=libs%2Fdatafile.git;a=blobdiff_plain;f=source%2Fpacksource.h;h=6912a40047edfb1110ef4d31ce867bb5bdceee4f;hp=18a5d3fa0f19e6530115e68a0850474edb029169;hb=b39ce68f12c30eedb272b65fe78baec5864d89ca;hpb=4a728161f1a8a575ead2052acf67a0bdee237216 diff --git a/source/packsource.h b/source/packsource.h index 18a5d3f..6912a40 100644 --- a/source/packsource.h +++ b/source/packsource.h @@ -21,6 +21,13 @@ in is loaded. */ class PackSource: public CollectionSource { +public: + struct FileInfo + { + std::string name; + unsigned size; + }; + private: class File; class Object; @@ -41,13 +48,15 @@ private: private: std::string filename; + IO::Seekable *io; unsigned base_offset; std::list files; public: - Pack(const std::string &); + Pack(IO::Seekable *, const std::string &); const std::string &get_filename() const { return filename; } + IO::Seekable *get_io() const { return io; } unsigned get_base_offset() const { return base_offset; } void collect_files(FileMap &, const std::string &) const; @@ -72,19 +81,16 @@ private: unsigned length; bool collection; std::list objects; - bool loaded; public: File(const Pack &, const std::string &); RefPtr 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; }; @@ -115,6 +121,22 @@ public: 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 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;