libsaria: Fill out a struct PathInfo

This struct is used by the gui to show how large a library path is
and eventually to remove it from the library.

include/libsaria/library.h

@@ -11,6 +11,11 @@ namespace libsaria
 {
 	namespace library
 	{
+		struct PathInfo {
+			string path;
+			unsigned int size;
+		};
+
 		void load();
 		void save();
 		void refresh();
@@ -18,6 +23,7 @@ namespace libsaria
 		void add_path(string);
 		void play_id(ino_t);
 		void for_each(void (*)(Track &));
+		void for_each_path(void (*)(struct PathInfo &));
 
 		unsigned int size();
 	}

libsaria/library/library.cpp

@@ -34,6 +34,14 @@ void LibraryPath::for_each(void (*ins_func)(Track &))
 	}
 }
 
+void LibraryPath::get_info(void (*info_func)(struct libsaria::library::PathInfo &))
+{
+	struct libsaria::library::PathInfo info;
+	info.path = path;
+	info.size = size();
+	info_func(info);
+}
+
 bool LibraryPath::play_id(ino_t id)
 {
 	map<ino_t, TrackTag>::iterator it;
@@ -54,6 +62,13 @@ namespace libsaria
 			it->second.for_each(ins_func);
 	}
 
+	void library::for_each_path(void (*info_func)(struct library::PathInfo &))
+	{
+		map<string, LibraryPath>::iterator it;
+		for (it = path_map.begin(); it != path_map.end(); it++)
+			it->second.get_info(info_func);
+	}
+
 	void library::play_id(ino_t id)
 	{
 		map<string, LibraryPath>::iterator it;

libsaria/library/library.h

@@ -5,6 +5,7 @@
 #include <string>
 using namespace std;
 
+#include <libsaria/library.h>
 #include <libsaria/path.h>
 
 class LibraryPath
@@ -19,6 +20,7 @@ class LibraryPath
 		~LibraryPath();
 
 		void for_each(void (*)(Track &));
+		void get_info(void (*)(struct libsaria::library::PathInfo &));
 		void insert_track(ino_t, TrackTag &);
 		bool play_id(ino_t);
 		void save(OutFile &);