From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 5 Sep 2013 14:53:35 +0000 (+0300)
Subject: Export file metadata from PackSource
X-Git-Url: http://git.tdb.fi/?p=libs%2Fdatafile.git;a=commitdiff_plain;h=f8820db0e2d1de85752de809f0a8e24394a33f61

Export file metadata from PackSource
---

diff --git a/source/packsource.cpp b/source/packsource.cpp
index c896866..00af3ad 100644
--- 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 18a5d3f..a599b5c 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;
@@ -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;