core/tags/genre: Directly inherit from DatabaseEntry

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>

core/queue.cpp

@@ -84,7 +84,7 @@ static inline int track_compare(Track *lhs, Track *rhs, sort_t field)
 	case SORT_COUNT:
 		return lhs->count() - rhs->count();
 	case SORT_GENRE:
-		return lhs->genre()->compare(rhs->genre());
+		return genre_compare(lhs->genre(), rhs->genre());
 	case SORT_LENGTH:
 		return lhs->length() - rhs->length();
 	case SORT_PLAYED:

core/tags/genre.cpp

@@ -1,19 +1,49 @@
 /**
  * Copyright 2014 (c) Anna Schumaker.
  */
+extern "C" {
+#include <core/string.h>
+}
 #include <core/tags/genre.h>
 
 
 static database<struct genre> genre_db;
 
-
-genre :: genre() : GenericTag() {}
+genre :: genre() {}
 
 genre :: genre(const std::string &name)
-       : GenericTag(name)
 {
+	gchar *lower = string_lowercase(name.c_str());
+
+	ge_name  = name;
+	ge_lower = lower;
+
+	g_free(lower);
 }
 
+const std::string genre :: primary_key() const
+{
+	return ge_name;
+}
+
+void genre :: read(file &file)
+{
+	gchar *name = file_readl(&file);
+	gchar *g_lc = string_lowercase(name);
+
+	ge_name  = name;
+	ge_lower = g_lc;
+
+	g_free(name);
+	g_free(g_lc);
+}
+
+void genre :: write(file &file)
+{
+	file_writef(&file, "%s", ge_name.c_str());
+}
+
+
 void genre_db_init()
 {
 	db_init(&genre_db, "genre.db", true);
@@ -34,3 +64,8 @@ struct genre *genre_get(const unsigned int index)
 {
 	return db_at(&genre_db, index);
 }
+
+int genre_compare(struct genre *lhs, struct genre *rhs)
+{
+	return string_compare(lhs->ge_lower.c_str(), rhs->ge_lower.c_str());
+}

gui/queue/model.cpp

@@ -123,7 +123,7 @@ void QueueModel::get_value_vfunc(const Gtk::TreeIter &iter, int column,
 	case 5:
 		return set_val(track->album()->al_year, value);
 	case 6:
-		return set_val(track->genre()->name(), value);
+		return set_val(track->genre()->ge_name, value);
 	case 7:
 		return set_val(track->count(), value);
 	case 8:

include/core/tags/genre.h

@@ -4,14 +4,17 @@
 #ifndef OCARINA_CORE_TAGS_GENRE_H
 #define OCARINA_CORE_TAGS_GENRE_H
 
-#include <core/tags/generic.h>
+#include <core/database.h>
 
 /**
  * The Genre tag is used to store the name of genres added
  * to the tag database.
  */
-struct genre : public GenericTag {
+struct genre : public DatabaseEntry {
 public:
+	std::string ge_name;  /* This genre's name. */
+	std::string ge_lower; /* This genre's name (lowercased). */
+
 	genre(); /**< Genre tag constructor. */
 
 	/**
@@ -20,6 +23,10 @@ public:
 	 * @param  name  Genre name.
 	 */
 	genre(const std::string &);
+
+	const std::string primary_key() const;
+	void read(file &);
+	void write(file &);
 };
 
 
@@ -35,4 +42,7 @@ struct genre *genre_find(const std::string &);
 /* Called to get a genre tag with a specific index. */
 struct genre *genre_get(const unsigned int);
 
+/* Called to compare two genre tags. */
+int genre_compare(struct genre *, struct genre *);
+
 #endif /* OCARINA_CORE_TAGS_GENRE_H */

tests/core/tags/genre.cpp

@@ -6,15 +6,15 @@
 
 static void test_verify_empty(struct genre *genre)
 {
-	test_equal(genre->name(),        "");
-	test_equal(genre->lowercase(),   "");
+	test_equal(genre->ge_name,  "");
+	test_equal(genre->ge_lower, "");
 	test_equal(genre->primary_key(), "");
 }
 
 static void test_verify_vg(struct genre *genre)
 {
-	test_equal(genre->name(),        "Video Game Music");
-	test_equal(genre->lowercase(),   "video game music");
+	test_equal(genre->ge_name,  "Video Game Music");
+	test_equal(genre->ge_lower, "video game music");
 	test_equal(genre->primary_key(), "Video Game Music");
 }
 
@@ -53,9 +53,9 @@ static void test_genre_compare()
 	struct genre *video = new struct genre("Video Game Music");
 	struct genre *game  = new struct genre("game music");
 
-	test_equal(video->compare(video), 0);
-	test_equal(video->compare(game),  1);
-	test_equal(game->compare(video), -1);
+	test_equal(genre_compare(video, video), 0);
+	test_equal(genre_compare(video, game),  1);
+	test_equal(genre_compare(game, video), -1);
 
 	delete game;
 	delete video;