ocarina/core/tags/artist.cpp

/**
 * Copyright 2014 (c) Anna Schumaker.
 */
extern "C" {
#include <core/string.h>
}
#include <core/tags/artist.h>


static struct database artist_db;


artist :: artist() {}

static db_entry *artist_alloc(const gchar *name)
{
	struct artist *artist = new struct artist;
	gchar *lower = string_lowercase(name);

	artist->ar_name  = name;
	artist->ar_lower = lower;

	g_free(lower);
	return artist;
}

static void artist_free(struct db_entry *dbe)
{
	delete (struct artist *)dbe;
}

static gchar *artist_key(struct db_entry *dbe)
{
	struct artist *artist = (struct artist *)dbe;
	return g_strdup(artist->ar_name.c_str());
}

struct db_entry *artist_read(struct file *file)
{
	gchar *name = file_readl(file);
	struct artist *artist = (struct artist *)artist_alloc(name);
	g_free(name);
	return artist;
}

static void artist_write(struct file *file, struct db_entry *dbe)
{
	struct artist *artist = (struct artist *)dbe;
	file_writef(file, "%s", artist->ar_name.c_str());
}


static const struct db_ops artist_ops = {
	artist_alloc,
	artist_free,
	artist_key,
	artist_read,
	NULL,
	artist_write,
};


void artist_db_init()
{
	db_init(&artist_db, "artist.db", true, &artist_ops);
	db_load(&artist_db);
}

void artist_db_deinit()
{
	db_deinit(&artist_db);
}

struct artist *artist_find(const std::string &name)
{
	return ARTIST(db_find(&artist_db, name.c_str()));
}

struct artist *artist_get(const unsigned int index)
{
	return ARTIST(db_at(&artist_db, index));
}

int artist_compare(struct artist *lhs, struct artist *rhs)
{
	return string_compare(lhs->ar_lower.c_str(), rhs->ar_lower.c_str());
}

#ifdef CONFIG_TESTING
const struct db_ops *test_artist_ops() { return &artist_ops; }
#endif /* CONFIG_TESTING */