Export file metadata from PackSource

diff --git a/source/packsource.cpp b/source/packsource.cpp
index c8968665d41d23c936ef8efbc87fa1b5dca5bd7a..00af3ad129079aa71d7d415a39f16a67bf54b5b6 100644 (file)
--- a/source/packsource.cpp
+++ b/source/packsource.cpp
@@ -43,6 +43,14 @@ void PackSource::add_pack_file(const string &fn, const string &filter)
                i->second->collect_objects(objects);
 }
 
+list<PackSource::FileInfo> PackSource::list_files() const
+{
+       list<FileInfo> result;
+       for(FileMap::const_iterator i=files.begin(); i!=files.end(); ++i)
+               result.push_back(i->second->get_info());
+       return result;
+}
+
 bool PackSource::is_loadable(const CollectionItemTypeBase &type, const string &name) const
 {
        ObjectMap::const_iterator i = objects.find(name);
@@ -146,6 +154,14 @@ RefPtr<IO::Seekable> PackSource::File::open() const
        return io_slice;
 }
 
+PackSource::FileInfo PackSource::File::get_info() const
+{
+       FileInfo info;
+       info.name = filename;
+       info.size = length;
+       return info;
+}
+
 string PackSource::File::get_full_name() const
 {
        return format("%s/%s", pack.get_filename(), filename);

diff --git a/source/packsource.h b/source/packsource.h
index 18a5d3fa0f19e6530115e68a0850474edb029169..a599b5c0c99c985eaa8b834721f5158b8356b52d 100644 (file)
--- 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;
@@ -79,6 +86,7 @@ private:
 
                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; }
 
@@ -115,6 +123,9 @@ public:
        read on the first call; subsequent calls will use cached data. */
        void add_pack_file(const std::string &, const std::string &);
 
+       /// 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;