C++ (Cpp) _gtk_source_context_data_unref示例

示例#1

GtkSourceEngine *
_gtk_source_language_create_engine (GtkSourceLanguage *language)
{
	GtkSourceContextEngine *ce = NULL;
	GtkSourceContextData *ctx_data;

	ctx_data = gtk_source_language_parse_file (language);

	if (ctx_data != NULL)
	{
		ce = _gtk_source_context_engine_new (ctx_data);
		_gtk_source_context_data_unref (ctx_data);
	}

	return ce ? GTK_SOURCE_ENGINE (ce) : NULL;
}

示例#2

/* returns new reference, which _must_ be unref'ed */
static GtkSourceContextData *
gtk_source_language_parse_file (GtkSourceLanguage *language)
{
	if (language->priv->ctx_data == NULL)
	{
		gboolean success = FALSE;
		GtkSourceContextData *ctx_data;

		if (language->priv->language_manager == NULL)
		{
			g_critical ("_gtk_source_language_create_engine() is called after "
				    "language manager was finalized");
		}
		else
		{
			ctx_data = _gtk_source_context_data_new	(language);

			switch (language->priv->version)
			{
				case GTK_SOURCE_LANGUAGE_VERSION_1_0:
					g_warning ("The language definition format version 1 "
						   "(for syntax highlighting) is no longer "
						   "supported by GtkSourceView >= 4.0. "
						   "Please use version 2.");
					break;

				case GTK_SOURCE_LANGUAGE_VERSION_2_0:
					success = _gtk_source_language_file_parse_version2 (language, ctx_data);
					break;

				default:
					g_assert_not_reached ();
			}

			if (!success)
				_gtk_source_context_data_unref (ctx_data);
			else
				language->priv->ctx_data = ctx_data;
		}
	}
	else
	{
		_gtk_source_context_data_ref (language->priv->ctx_data);
	}

	return language->priv->ctx_data;
}

示例#3

文件： gtksourcelanguage.c 项目： mgedmin/gtksourceview

/* returns new reference, which _must_ be unref'ed */
static GtkSourceContextData *
gtk_source_language_parse_file (GtkSourceLanguage *language)
{
	if (language->priv->ctx_data == NULL)
	{
		gboolean success = FALSE;
		GtkSourceContextData *ctx_data;

		if (language->priv->language_manager == NULL)
		{
			g_critical ("_gtk_source_language_create_engine() is called after "
				    "language manager was finalized");
		}
		else
		{
			ctx_data = _gtk_source_context_data_new	(language);

			switch (language->priv->version)
			{
				case GTK_SOURCE_LANGUAGE_VERSION_1_0:
					success = _gtk_source_language_file_parse_version1 (language, ctx_data);
					break;

				case GTK_SOURCE_LANGUAGE_VERSION_2_0:
					success = _gtk_source_language_file_parse_version2 (language, ctx_data);
					break;

				default:
					g_assert_not_reached ();
			}

			if (!success)
				_gtk_source_context_data_unref (ctx_data);
			else
				language->priv->ctx_data = ctx_data;
		}
	}
	else
	{
		_gtk_source_context_data_ref (language->priv->ctx_data);
	}

	return language->priv->ctx_data;
}

示例#4

static gboolean
force_styles (GtkSourceLanguage *language)
{
	/* To be sure to have the list of styles we need to parse lang file
	 * as if we were to create an engine. In the future we can improve
	 * this by parsing styles only.
	 */
	if (!language->priv->styles_loaded && language->priv->ctx_data == NULL)
	{
		GtkSourceContextData *ctx_data;

		ctx_data = gtk_source_language_parse_file (language);
		if (ctx_data == NULL)
			return FALSE;

		language->priv->styles_loaded = TRUE;
		_gtk_source_context_data_unref (ctx_data);
	}

	return TRUE;
}