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Some error reporting

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When we take a GError argument, better use it.
This commit is contained in:
Matthias Clasen 2010-11-17 22:29:39 -05:00 committed by Carlos Garnacho
parent 5f13b65065
commit f92c352f96
2 changed files with 56 additions and 12 deletions
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59
gtk/gtkcssprovider.c
View File

@ -486,6 +486,12 @@ static gboolean gtk_css_provider_load_from_path_internal (GtkCssProvider *css_p
GError **error);
GQuark
gtk_css_provider_error_quark (void)
{
return g_quark_from_static_string ("gtk-css-provider-error-quark");
}
G_DEFINE_TYPE_EXTENDED (GtkCssProvider, gtk_css_provider, G_TYPE_OBJECT, 0,
G_IMPLEMENT_INTERFACE (GTK_TYPE_STYLE_PROVIDER,
gtk_css_style_provider_iface_init));
@ -1095,8 +1101,10 @@ gtk_css_provider_finalize (GObject *object)
g_slist_foreach (priv->cur_selectors, (GFunc) selector_path_unref, NULL);
g_slist_free (priv->cur_selectors);
g_hash_table_unref (priv->cur_properties);
g_hash_table_destroy (priv->symbolic_colors);
if (priv->cur_properties)
g_hash_table_unref (priv->cur_properties);
if (priv->symbolic_colors)
g_hash_table_destroy (priv->symbolic_colors);
G_OBJECT_CLASS (gtk_css_provider_parent_class)->finalize (object);
}
@ -2849,8 +2857,22 @@ parse_rule (GtkCssProvider *css_provider,
return G_TOKEN_NONE;
}
static void
scanner_msg (GScanner *scanner,
gchar *message,
gboolean is_error)
{
GError **error = scanner->user_data;
g_set_error_literal (error,
GTK_CSS_PROVIDER_ERROR,
GTK_CSS_PROVIDER_ERROR_FAILED,
message);
}
static gboolean
parse_stylesheet (GtkCssProvider *css_provider)
parse_stylesheet (GtkCssProvider *css_provider,
GError **error)
{
GtkCssProviderPrivate *priv;
@ -2866,10 +2888,24 @@ parse_stylesheet (GtkCssProvider *css_provider)
if (expected_token != G_TOKEN_NONE)
{
if (error != NULL)
{
priv->scanner->msg_handler = scanner_msg;
priv->scanner->user_data = error;
}
g_scanner_unexp_token (priv->scanner, expected_token,
NULL, NULL, NULL,
"Error parsing style resource", FALSE);
if (error != NULL)
{
priv->scanner->msg_handler = NULL;
priv->scanner->user_data = NULL;
return FALSE;
}
while (!g_scanner_eof (priv->scanner) &&
priv->scanner->token != G_TOKEN_RIGHT_CURLY)
g_scanner_get_next_token (priv->scanner);
@ -2920,9 +2956,7 @@ gtk_css_provider_load_from_data (GtkCssProvider *css_provider,
g_free (priv->filename);
priv->filename = NULL;
parse_stylesheet (css_provider);
return TRUE;
return parse_stylesheet (css_provider, error);
}
/**
@ -2945,6 +2979,7 @@ gtk_css_provider_load_from_file (GtkCssProvider *css_provider,
GError *internal_error = NULL;
gchar *data;
gsize length;
gboolean ret;
g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
g_return_val_if_fail (G_IS_FILE (file), FALSE);
@ -2968,11 +3003,11 @@ gtk_css_provider_load_from_file (GtkCssProvider *css_provider,
priv->scanner->input_name = priv->filename;
g_scanner_input_text (priv->scanner, data, (guint) length);
parse_stylesheet (css_provider);
ret = parse_stylesheet (css_provider, error);
g_free (data);
return TRUE;
return ret;
}
static gboolean
@ -2986,6 +3021,7 @@ gtk_css_provider_load_from_path_internal (GtkCssProvider *css_provider,
GMappedFile *mapped_file;
const gchar *data;
gsize length;
gboolean ret;
priv = css_provider->priv;
@ -3000,9 +3036,8 @@ gtk_css_provider_load_from_path_internal (GtkCssProvider *css_provider,
length = g_mapped_file_get_length (mapped_file);
data = g_mapped_file_get_contents (mapped_file);
/* FIXME: Set error */
if (!data)
return FALSE;
data = "";
if (reset)
{
@ -3016,11 +3051,11 @@ gtk_css_provider_load_from_path_internal (GtkCssProvider *css_provider,
priv->scanner->input_name = priv->filename;
g_scanner_input_text (priv->scanner, data, (guint) length);
parse_stylesheet (css_provider);
ret = parse_stylesheet (css_provider, error);
g_mapped_file_unref (mapped_file);
return TRUE;
return ret;
}
/**

9
gtk/gtkcssprovider.h
View File

@ -31,6 +31,15 @@ G_BEGIN_DECLS
#define GTK_IS_CSS_PROVIDER_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GTK_TYPE_CSS_PROVIDER))
#define GTK_CSS_PROVIDER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_CSS_PROVIDER, GtkCssProviderClass))
#define GTK_CSS_PROVIDER_ERROR (gtk_css_provider_error_quark ())
typedef enum
{
GTK_CSS_PROVIDER_ERROR_FAILED
} GtkCssProviderError;
GQuark gtk_css_provider_error_quark (void);
typedef struct _GtkCssProvider GtkCssProvider;
typedef struct _GtkCssProviderClass GtkCssProviderClass;