[retro-gtk/c-port: 22/37] Port CoreDescriptor to C
- From: Adrien Plazas <aplazas src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [retro-gtk/c-port: 22/37] Port CoreDescriptor to C
- Date: Wed, 27 Sep 2017 12:35:00 +0000 (UTC)
commit fafdcbc3ff197d972185fa9506694453d1aabb46
Author: Adrien Plazas <kekun plazas laposte net>
Date: Thu Sep 7 12:10:03 2017 +0200
Port CoreDescriptor to C
retro-gtk/Makefile.am | 5 +-
retro-gtk/retro-core-descriptor-error.vala | 8 -
retro-gtk/retro-core-descriptor.c | 796 ++++++++++++++++++++++++++++
retro-gtk/retro-core-descriptor.h | 70 +++
retro-gtk/retro-core-descriptor.vala | 178 -------
retro-gtk/retro-module-iterator.h | 2 +
6 files changed, 871 insertions(+), 188 deletions(-)
---
diff --git a/retro-gtk/Makefile.am b/retro-gtk/Makefile.am
index 9a3968c..88345f5 100644
--- a/retro-gtk/Makefile.am
+++ b/retro-gtk/Makefile.am
@@ -39,8 +39,7 @@ libretro_gtk_la_SOURCES = \
core-error.vala \
retro.vala \
retro-cairo-display.c \
- retro-core-descriptor.vala \
- retro-core-descriptor-error.vala \
+ retro-core-descriptor.c \
retro-core-view.c \
retro-core-view-input-device.c \
retro-game-info.c \
@@ -67,6 +66,8 @@ video/retro-video-converter.c: retro-gtk-internal.h
retro-core.c: retro-gtk-internal.h
+# retro-core-descriptor.c: retro-gtk-internal.h
+
retro-core-view.c: retro-gtk-internal.h
retro-core-view-input-device.c: retro-gtk-internal.h
diff --git a/retro-gtk/retro-core-descriptor.c b/retro-gtk/retro-core-descriptor.c
new file mode 100644
index 0000000..0d2b26b
--- /dev/null
+++ b/retro-gtk/retro-core-descriptor.c
@@ -0,0 +1,796 @@
+// This file is part of retro-gtk. License: GPL-3.0+.
+
+#include "retro-core-descriptor.h"
+
+struct _RetroCoreDescriptor
+{
+ GObject parent_instance;
+ gchar *filename;
+ GKeyFile *key_file;
+};
+
+G_DEFINE_TYPE (RetroCoreDescriptor, retro_core_descriptor, G_TYPE_OBJECT)
+
+#define RETRO_CORE_DESCRIPTOR_ERROR (retro_core_descriptor_error_quark ())
+
+enum {
+ RETRO_CORE_DESCRIPTOR_ERROR_REQUIRED_GROUP_NOT_FOUND,
+ RETRO_CORE_DESCRIPTOR_ERROR_REQUIRED_KEY_NOT_FOUND,
+ RETRO_CORE_DESCRIPTOR_ERROR_FIRMWARE_NOT_FOUND
+};
+
+#define RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP "Libretro"
+#define RETRO_CORE_DESCRIPTOR_PLATFORM_GROUP_PREFIX "Platform:"
+#define RETRO_CORE_DESCRIPTOR_FIRMWARE_GROUP_PREFIX "Firmware:"
+
+#define RETRO_CORE_DESCRIPTOR_TYPE_KEY "Type"
+#define RETRO_CORE_DESCRIPTOR_NAME_KEY "Name"
+#define RETRO_CORE_DESCRIPTOR_ICON_KEY "Icon"
+#define RETRO_CORE_DESCRIPTOR_MODULE_KEY "Module"
+#define RETRO_CORE_DESCRIPTOR_LIBRETRO_VERSION_KEY "LibretroVersion"
+
+#define RETRO_CORE_DESCRIPTOR_PLATFORM_MIME_TYPE_KEY "MimeType"
+#define RETRO_CORE_DESCRIPTOR_PLATFORM_FIRMWARES_KEY "Firmwares"
+
+#define RETRO_CORE_DESCRIPTOR_FIRMWARE_PATH_KEY "Path"
+#define RETRO_CORE_DESCRIPTOR_FIRMWARE_MD5_KEY "MD5"
+#define RETRO_CORE_DESCRIPTOR_FIRMWARE_SHA512_KEY "SHA-512"
+#define RETRO_CORE_DESCRIPTOR_FIRMWARE_MANDATORY_KEY "Mandatory"
+
+#define RETRO_CORE_DESCRIPTOR_TYPE_GAME "Game"
+#define RETRO_CORE_DESCRIPTOR_TYPE_EMULATOR "Emulator"
+
+/* Private */
+
+static GQuark
+retro_core_descriptor_error_quark (void)
+{
+ return g_quark_from_static_string ("retro-core-descriptor-error-quark");
+}
+
+static void
+retro_core_descriptor_finalize (GObject *object)
+{
+ RetroCoreDescriptor *self = RETRO_CORE_DESCRIPTOR (object);
+
+ g_free (self->filename);
+ g_key_file_unref (self->key_file);
+
+ G_OBJECT_CLASS (retro_core_descriptor_parent_class)->finalize (object);
+}
+
+static void
+retro_core_descriptor_class_init (RetroCoreDescriptorClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = retro_core_descriptor_finalize;
+}
+
+static void
+retro_core_descriptor_init (RetroCoreDescriptor *self)
+{
+}
+
+static gboolean
+has_group_prefixed (RetroCoreDescriptor *self,
+ const gchar *group_prefix,
+ const gchar *group_suffix)
+{
+ gchar *group;
+ gboolean result;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), FALSE);
+ g_return_val_if_fail (group_prefix != NULL, FALSE);
+ g_return_val_if_fail (group_suffix != NULL, FALSE);
+
+ group = g_strconcat (group_prefix, group_suffix, NULL);
+ result = g_key_file_has_group (self->key_file, group);
+ g_free (group);
+
+ return result;
+}
+
+static gboolean
+has_key_prefixed (RetroCoreDescriptor *self,
+ const gchar *group_prefix,
+ const gchar *group_suffix,
+ const gchar *key,
+ GError **error)
+{
+ gchar *group;
+ gboolean result;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), FALSE);
+ g_return_val_if_fail (group_prefix != NULL, FALSE);
+ g_return_val_if_fail (group_suffix != NULL, FALSE);
+ g_return_val_if_fail (key != NULL, FALSE);
+
+ group = g_strconcat (group_prefix, group_suffix, NULL);
+ result = g_key_file_has_key (self->key_file,
+ group,
+ key,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_free (group);
+ g_propagate_error (error, tmp_error);
+
+ return FALSE;
+ }
+
+ g_free (group);
+
+ return result;
+}
+
+static gchar *
+get_string_prefixed (RetroCoreDescriptor *self,
+ const gchar *group_prefix,
+ const gchar *group_suffix,
+ const gchar *key,
+ GError **error)
+{
+ gchar *group;
+ gchar *result;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), NULL);
+ g_return_val_if_fail (group_prefix != NULL, NULL);
+ g_return_val_if_fail (group_suffix != NULL, NULL);
+ g_return_val_if_fail (key != NULL, NULL);
+
+ group = g_strconcat (group_prefix, group_suffix, NULL);
+
+ result = g_key_file_get_string (self->key_file,
+ group,
+ key,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_free (group);
+ g_propagate_error (error, tmp_error);
+
+ return NULL;
+ }
+
+ g_free (group);
+
+ return result;
+}
+
+static gchar **
+get_string_list_prefixed (RetroCoreDescriptor *self,
+ const gchar *group_prefix,
+ const gchar *group_suffix,
+ const gchar *key,
+ gsize *length,
+ GError **error)
+{
+ gchar *group;
+ gchar **result;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), NULL);
+ g_return_val_if_fail (group_prefix != NULL, NULL);
+ g_return_val_if_fail (group_suffix != NULL, NULL);
+ g_return_val_if_fail (key != NULL, NULL);
+ g_return_val_if_fail (length != NULL, NULL);
+
+ group = g_strconcat (group_prefix, group_suffix, NULL);
+ result = g_key_file_get_string_list (self->key_file,
+ group,
+ key,
+ length,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_free (group);
+ g_propagate_error (error, tmp_error);
+
+ return NULL;
+ }
+
+ g_free (group);
+
+ return result;
+}
+
+static void
+retro_core_descriptor_check_has_required_key (RetroCoreDescriptor *self,
+ const gchar *group,
+ const gchar *key,
+ GError **error)
+{
+ gboolean has_key;
+ GError *tmp_error = NULL;
+
+ g_return_if_fail (RETRO_IS_CORE_DESCRIPTOR (self));
+ g_return_if_fail (group != NULL);
+ g_return_if_fail (key != NULL);
+
+ has_key = g_key_file_has_key (self->key_file,
+ RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP,
+ RETRO_CORE_DESCRIPTOR_TYPE_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return;
+ }
+
+ if (!has_key)
+ g_set_error (error,
+ RETRO_CORE_DESCRIPTOR_ERROR,
+ RETRO_CORE_DESCRIPTOR_ERROR_REQUIRED_KEY_NOT_FOUND,
+ "%s isn't a valid Libretro core descriptor: "
+ "required key %s not found in group [%s].",
+ self->filename,
+ key,
+ group);
+}
+
+// FIXME static
+void
+retro_core_descriptor_check_libretro_group (RetroCoreDescriptor *self,
+ GError **error)
+{
+ GError *tmp_error = NULL;
+
+ g_return_if_fail (RETRO_IS_CORE_DESCRIPTOR (self));
+
+ retro_core_descriptor_check_has_required_key (self,
+ RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP,
+ RETRO_CORE_DESCRIPTOR_TYPE_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return;
+ }
+
+ retro_core_descriptor_check_has_required_key (self,
+ RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP,
+ RETRO_CORE_DESCRIPTOR_NAME_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return;
+ }
+
+ retro_core_descriptor_check_has_required_key (self,
+ RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP,
+ RETRO_CORE_DESCRIPTOR_MODULE_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return;
+ }
+
+ retro_core_descriptor_check_has_required_key (self,
+ RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP,
+ RETRO_CORE_DESCRIPTOR_LIBRETRO_VERSION_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return;
+ }
+}
+
+// FIXME static
+void
+retro_core_descriptor_check_platform_group (RetroCoreDescriptor *self,
+ const gchar *group,
+ GError **error)
+{
+ gboolean has_key;
+ gchar **firmwares;
+ gchar **firmware_p;
+ gchar *firmware_group;
+ GError *tmp_error = NULL;
+
+ g_return_if_fail (RETRO_IS_CORE_DESCRIPTOR (self));
+ g_return_if_fail (group != NULL);
+
+ retro_core_descriptor_check_has_required_key (self,
+ group,
+ RETRO_CORE_DESCRIPTOR_PLATFORM_MIME_TYPE_KEY,
+ &tmp_error);
+
+ has_key = g_key_file_has_key (self->key_file,
+ group,
+ RETRO_CORE_DESCRIPTOR_PLATFORM_FIRMWARES_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return;
+ }
+
+ if (!has_key)
+ return;
+
+ firmwares = g_key_file_get_string_list (self->key_file,
+ group,
+ RETRO_CORE_DESCRIPTOR_PLATFORM_FIRMWARES_KEY,
+ NULL,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return;
+ }
+
+ for (firmware_p = firmwares; firmware_p != NULL; firmware_p++) {
+ firmware_group = g_strconcat (RETRO_CORE_DESCRIPTOR_FIRMWARE_GROUP_PREFIX, *firmware_p, NULL);
+ if (!g_key_file_has_group (self->key_file, firmware_group)) {
+ g_set_error (error,
+ RETRO_CORE_DESCRIPTOR_ERROR,
+ RETRO_CORE_DESCRIPTOR_ERROR_FIRMWARE_NOT_FOUND,
+ "%s isn't a valid Libretro core descriptor:"
+ "[%s] mentioned in [%s] not found.",
+ self->filename,
+ firmware_group,
+ group);
+
+ g_free (firmware_group);
+ g_strfreev (firmwares);
+
+ return;
+ }
+
+ g_free (firmware_group);
+ }
+
+ g_strfreev (firmwares);
+}
+
+static void
+retro_core_descriptor_check_firmware_group (RetroCoreDescriptor *self,
+ const gchar *group,
+ GError **error)
+{
+ GError *tmp_error = NULL;
+
+ g_return_if_fail (RETRO_IS_CORE_DESCRIPTOR (self));
+ g_return_if_fail (group != NULL);
+
+ retro_core_descriptor_check_has_required_key (self,
+ group,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_PATH_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return;
+ }
+
+ retro_core_descriptor_check_has_required_key (self,
+ group,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_MANDATORY_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return;
+ }
+}
+
+/* Public */
+
+gboolean
+retro_core_descriptor_has_icon (RetroCoreDescriptor *self,
+ GError **error)
+{
+ gboolean has_icon;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), FALSE);
+
+ has_icon = g_key_file_has_key (self->key_file, RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP,
RETRO_CORE_DESCRIPTOR_ICON_KEY, &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return FALSE;
+ }
+
+ return has_icon;
+}
+
+gchar *
+retro_core_descriptor_get_uri (RetroCoreDescriptor *self)
+{
+ gchar *result;
+ GFile *file;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), NULL);
+
+ file = g_file_new_for_path (self->filename);
+ result = g_file_get_uri (file);
+ g_object_unref (file);
+
+ return result;
+}
+
+gchar *
+retro_core_descriptor_get_id (RetroCoreDescriptor *self)
+{
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), NULL);
+
+ return g_path_get_basename (self->filename);
+}
+
+gboolean
+retro_core_descriptor_get_is_game (RetroCoreDescriptor *self,
+ GError **error)
+{
+ gchar *type;
+ gboolean is_game;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), FALSE);
+
+ type = g_key_file_get_string (self->key_file,
+ RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP,
+ RETRO_CORE_DESCRIPTOR_TYPE_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return FALSE;
+ }
+
+ is_game = g_strcmp0 (type, RETRO_CORE_DESCRIPTOR_TYPE_GAME) == 0;
+ g_free (type);
+
+ return is_game;
+}
+
+gboolean
+retro_core_descriptor_get_is_emulator (RetroCoreDescriptor *self,
+ GError **error)
+{
+ gchar *type;
+ gboolean is_game;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), FALSE);
+
+ type = g_key_file_get_string (self->key_file,
+ RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP,
+ RETRO_CORE_DESCRIPTOR_TYPE_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return FALSE;
+ }
+
+ is_game = g_strcmp0 (type, RETRO_CORE_DESCRIPTOR_TYPE_EMULATOR) == 0;
+ g_free (type);
+
+ return is_game;
+}
+
+GIcon *
+retro_core_descriptor_get_icon (RetroCoreDescriptor *self,
+ GError **error)
+{
+ gchar *icon_name;
+ GIcon *icon;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), NULL);
+
+ icon_name = g_key_file_get_string (self->key_file,
+ RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP,
+ RETRO_CORE_DESCRIPTOR_ICON_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return NULL;
+ }
+
+ icon = G_ICON (g_themed_icon_new (icon_name));
+ g_free (icon_name);
+
+ return icon;
+}
+
+char *
+retro_core_descriptor_get_module (RetroCoreDescriptor *self,
+ GError **error)
+{
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), FALSE);
+
+ return g_key_file_get_string (self->key_file,
+ RETRO_CORE_DESCRIPTOR_LIBRETRO_GROUP,
+ RETRO_CORE_DESCRIPTOR_MODULE_KEY,
+ error);
+}
+
+GFile *
+retro_core_descriptor_get_module_file (RetroCoreDescriptor *self,
+ GError **error)
+{
+ GFile *file;
+ GFile *dir;
+ gchar *module;
+ GFile *module_file;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), NULL);
+
+ file = g_file_new_for_path (self->filename);
+ dir = g_file_get_parent (file);
+ g_object_unref (file);
+ if (dir == NULL)
+ return NULL;
+
+ module = retro_core_descriptor_get_module (self, &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+ g_object_unref (dir);
+
+ return NULL;
+ }
+
+ module_file = g_file_get_child (dir, module);
+ if (!g_file_query_exists (module_file, NULL)) {
+ g_object_unref (dir);
+ g_free (module);
+ g_object_unref (module_file);
+
+ return NULL;
+ }
+
+ g_object_unref (dir);
+ g_free (module);
+
+ return module_file;
+}
+
+gboolean
+retro_core_descriptor_has_platform (RetroCoreDescriptor *self,
+ const gchar *platform)
+{
+ return has_group_prefixed (self,
+ RETRO_CORE_DESCRIPTOR_PLATFORM_GROUP_PREFIX,
+ platform);
+}
+
+gboolean
+retro_core_descriptor_has_firmwares (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error)
+{
+ return has_key_prefixed (self,
+ RETRO_CORE_DESCRIPTOR_PLATFORM_GROUP_PREFIX,
+ firmware,
+ RETRO_CORE_DESCRIPTOR_PLATFORM_FIRMWARES_KEY,
+ error);
+}
+
+gboolean
+retro_core_descriptor_has_firmware_md5 (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error)
+{
+ return has_key_prefixed (self,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_GROUP_PREFIX,
+ firmware,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_MD5_KEY,
+ error);
+}
+
+gboolean
+retro_core_descriptor_has_firmware_sha512 (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error)
+{
+ return has_key_prefixed (self,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_GROUP_PREFIX,
+ firmware,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_SHA512_KEY,
+ error);
+}
+
+gchar **
+retro_core_descriptor_get_mime_type (RetroCoreDescriptor *self,
+ const gchar *platform,
+ gsize *length,
+ GError **error)
+{
+ return get_string_list_prefixed (self,
+ RETRO_CORE_DESCRIPTOR_PLATFORM_GROUP_PREFIX,
+ platform,
+ RETRO_CORE_DESCRIPTOR_PLATFORM_MIME_TYPE_KEY,
+ length,
+ error);
+}
+
+gchar **
+retro_core_descriptor_get_firmwares (RetroCoreDescriptor *self,
+ const gchar *platform,
+ gsize *length,
+ GError **error)
+{
+ return get_string_list_prefixed (self,
+ RETRO_CORE_DESCRIPTOR_PLATFORM_GROUP_PREFIX,
+ platform,
+ RETRO_CORE_DESCRIPTOR_PLATFORM_FIRMWARES_KEY,
+ length,
+ error);
+}
+
+gchar *
+retro_core_descriptor_get_firmware_path (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error)
+{
+ return get_string_prefixed (self,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_GROUP_PREFIX,
+ firmware,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_PATH_KEY,
+ error);
+}
+
+gchar *
+retro_core_descriptor_get_firmware_md5 (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error)
+{
+ return get_string_prefixed (self,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_GROUP_PREFIX,
+ firmware,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_MD5_KEY,
+ error);
+}
+
+gchar *
+retro_core_descriptor_get_firmware_sha512 (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error)
+{
+ return get_string_prefixed (self,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_GROUP_PREFIX,
+ firmware,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_SHA512_KEY,
+ error);
+}
+
+gboolean
+retro_core_descriptor_get_is_firmware_mandatory (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error)
+{
+ gchar *group;
+ gboolean result;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), FALSE);
+ g_return_val_if_fail (firmware != NULL, FALSE);
+
+ group = g_strconcat (RETRO_CORE_DESCRIPTOR_FIRMWARE_GROUP_PREFIX, firmware, NULL);
+ result = g_key_file_get_boolean (self->key_file,
+ group,
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_MANDATORY_KEY,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_free (group);
+ g_propagate_error (error, tmp_error);
+
+ return FALSE;
+ }
+
+ g_free (group);
+
+ return result;
+}
+
+gboolean
+retro_core_descriptor_get_platform_supports_mime_types (RetroCoreDescriptor *self,
+ const gchar *platform,
+ gchar **mime_types,
+ gsize mime_types_length,
+ GError **error)
+{
+ gchar **supported_mime_types;
+ gsize supported_mime_types_length;
+ gsize i;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (RETRO_IS_CORE_DESCRIPTOR (self), FALSE);
+ g_return_val_if_fail (platform != NULL, FALSE);
+ g_return_val_if_fail (mime_types != NULL, FALSE);
+
+ supported_mime_types =
+ retro_core_descriptor_get_mime_type (self,
+ platform,
+ &supported_mime_types_length,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_propagate_error (error, tmp_error);
+
+ return FALSE;
+ }
+
+ for (i = 0; i < mime_types_length; i++)
+ if (!g_strv_contains ((const char * const *) supported_mime_types,
+ mime_types[i])) {
+ g_strfreev (supported_mime_types);
+
+ return FALSE;
+ }
+
+ g_strfreev (supported_mime_types);
+
+ return TRUE;
+}
+
+RetroCoreDescriptor *
+retro_core_descriptor_new (const gchar *filename,
+ GError **error)
+{
+ RetroCoreDescriptor *self;
+ gchar ** groups;
+ gsize groups_length;
+ gsize i;
+ GError *tmp_error = NULL;
+
+ g_return_val_if_fail (filename != NULL, NULL);
+
+ self = g_object_new (RETRO_TYPE_CORE_DESCRIPTOR, NULL);
+ self->filename = g_strdup (filename);
+ self->key_file = g_key_file_new ();
+ g_key_file_load_from_file (self->key_file,
+ filename,
+ G_KEY_FILE_NONE,
+ &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_object_unref (self);
+ g_propagate_error (error, tmp_error);
+
+ return NULL;
+ }
+
+ retro_core_descriptor_check_libretro_group (self, &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_object_unref (self);
+ g_propagate_error (error, tmp_error);
+
+ return NULL;
+ }
+
+ groups = g_key_file_get_groups (self->key_file, &groups_length);
+ for (i = 0; i < groups_length; i++) {
+ if (g_str_has_prefix (groups[i],
+ RETRO_CORE_DESCRIPTOR_PLATFORM_GROUP_PREFIX)) {
+ retro_core_descriptor_check_platform_group (self, groups[i], &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_strfreev (groups);
+ g_object_unref (self);
+ g_propagate_error (error, tmp_error);
+
+ return NULL;
+ }
+ }
+ else if (g_str_has_prefix (groups[i],
+ RETRO_CORE_DESCRIPTOR_FIRMWARE_GROUP_PREFIX)) {
+ retro_core_descriptor_check_firmware_group (self, groups[i], &tmp_error);
+ if (G_UNLIKELY (tmp_error != NULL)) {
+ g_strfreev (groups);
+ g_object_unref (self);
+ g_propagate_error (error, tmp_error);
+
+ return NULL;
+ }
+ }
+ }
+
+ g_strfreev (groups);
+
+ return self;
+}
diff --git a/retro-gtk/retro-core-descriptor.h b/retro-gtk/retro-core-descriptor.h
new file mode 100644
index 0000000..e7d72dc
--- /dev/null
+++ b/retro-gtk/retro-core-descriptor.h
@@ -0,0 +1,70 @@
+// This file is part of retro-gtk. License: GPL-3.0+.
+
+#ifndef RETRO_CORE_DESCRIPTOR_H
+#define RETRO_CORE_DESCRIPTOR_H
+
+#include <gio/gio.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define RETRO_TYPE_CORE_DESCRIPTOR (retro_core_descriptor_get_type())
+
+G_DECLARE_FINAL_TYPE (RetroCoreDescriptor, retro_core_descriptor, RETRO, CORE_DESCRIPTOR, GObject)
+
+RetroCoreDescriptor *retro_core_descriptor_new (const gchar *filename,
+ GError **error);
+gboolean retro_core_descriptor_has_icon (RetroCoreDescriptor *self,
+ GError **error);
+gchar *retro_core_descriptor_get_uri (RetroCoreDescriptor *self);
+gchar *retro_core_descriptor_get_id (RetroCoreDescriptor *self);
+gboolean retro_core_descriptor_get_is_game (RetroCoreDescriptor *self,
+ GError **error);
+gboolean retro_core_descriptor_get_is_emulator (RetroCoreDescriptor *self,
+ GError **error);
+GIcon *retro_core_descriptor_get_icon (RetroCoreDescriptor *self,
+ GError **error);
+char *retro_core_descriptor_get_module (RetroCoreDescriptor *self,
+ GError **error);
+GFile *retro_core_descriptor_get_module_file (RetroCoreDescriptor *self,
+ GError **error);
+gboolean retro_core_descriptor_has_platform (RetroCoreDescriptor *self,
+ const gchar *platform);
+gboolean retro_core_descriptor_has_firmwares (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error);
+gboolean retro_core_descriptor_has_firmware_md5 (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error);
+gboolean retro_core_descriptor_has_firmware_sha512 (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error);
+gchar **retro_core_descriptor_get_mime_type (RetroCoreDescriptor *self,
+ const gchar *platform,
+ gsize *length,
+ GError **error);
+gchar **retro_core_descriptor_get_firmwares (RetroCoreDescriptor *self,
+ const gchar *platform,
+ gsize *length,
+ GError **error);
+gchar *retro_core_descriptor_get_firmware_path (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error);
+gchar * retro_core_descriptor_get_firmware_md5 (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error);
+gchar * retro_core_descriptor_get_firmware_sha512 (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error);
+gboolean retro_core_descriptor_get_is_firmware_mandatory (RetroCoreDescriptor *self,
+ const gchar *firmware,
+ GError **error);
+gboolean retro_core_descriptor_get_platform_supports_mime_types (RetroCoreDescriptor *self,
+ const gchar *platform,
+ gchar **mime_types,
+ gsize mime_types_length,
+ GError **error);
+
+G_END_DECLS
+
+#endif /* RETRO_CORE_DESCRIPTOR_H */
diff --git a/retro-gtk/retro-module-iterator.h b/retro-gtk/retro-module-iterator.h
index e3912a0..11b4ccc 100644
--- a/retro-gtk/retro-module-iterator.h
+++ b/retro-gtk/retro-module-iterator.h
@@ -5,6 +5,8 @@
#include <glib-object.h>
+#include "retro-core-descriptor.h"
+
G_BEGIN_DECLS
// FIXME Remove as soon as possible.
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