mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-29 06:51:10 +00:00
GtkCssProvider: Add support for @import rules
Now other CSS files can be referenced from the currently parsed file: @import url (other-file.css); @import url (/some/file.css);
This commit is contained in:
Carlos Garnacho
parent
0ef48c0bde
commit
f9788eb173
@ -125,11 +125,16 @@ enum ParserSymbol {
|
||||
static void gtk_css_provider_finalize (GObject *object);
|
||||
static void gtk_css_style_provider_iface_init (GtkStyleProviderIface *iface);
|
||||
|
||||
static void css_provider_apply_scope (GtkCssProvider *css_provider,
|
||||
ParserScope scope);
|
||||
static void scanner_apply_scope (GScanner *scanner,
|
||||
ParserScope scope);
|
||||
static gboolean css_provider_parse_value (GtkCssProvider *css_provider,
|
||||
const gchar *value_str,
|
||||
GValue *value);
|
||||
static gboolean gtk_css_provider_load_from_path_internal (GtkCssProvider *css_provider,
|
||||
const gchar *path,
|
||||
gboolean reset,
|
||||
GError **error);
|
||||
|
||||
|
||||
G_DEFINE_TYPE_EXTENDED (GtkCssProvider, gtk_css_provider, G_TYPE_OBJECT, 0,
|
||||
G_IMPLEMENT_INTERFACE (GTK_TYPE_STYLE_PROVIDER,
|
||||
@ -317,18 +322,11 @@ selector_style_info_set_style (SelectorStyleInfo *info,
|
||||
info->style = NULL;
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_css_provider_init (GtkCssProvider *css_provider)
|
||||
static GScanner *
|
||||
create_scanner (void)
|
||||
{
|
||||
GtkCssProviderPrivate *priv;
|
||||
GScanner *scanner;
|
||||
|
||||
priv = css_provider->priv = G_TYPE_INSTANCE_GET_PRIVATE (css_provider,
|
||||
GTK_TYPE_CSS_PROVIDER,
|
||||
GtkCssProviderPrivate);
|
||||
|
||||
priv->selectors_info = g_ptr_array_new_with_free_func ((GDestroyNotify) selector_style_info_free);
|
||||
|
||||
scanner = g_scanner_new (NULL);
|
||||
|
||||
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "active", GUINT_TO_POINTER (GTK_STATE_ACTIVE));
|
||||
@ -346,8 +344,22 @@ gtk_css_provider_init (GtkCssProvider *css_provider)
|
||||
g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "first", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_FIRST));
|
||||
g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "last", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_LAST));
|
||||
|
||||
priv->scanner = scanner;
|
||||
css_provider_apply_scope (css_provider, SCOPE_SELECTOR);
|
||||
scanner_apply_scope (scanner, SCOPE_SELECTOR);
|
||||
|
||||
return scanner;
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_css_provider_init (GtkCssProvider *css_provider)
|
||||
{
|
||||
GtkCssProviderPrivate *priv;
|
||||
|
||||
priv = css_provider->priv = G_TYPE_INSTANCE_GET_PRIVATE (css_provider,
|
||||
GTK_TYPE_CSS_PROVIDER,
|
||||
GtkCssProviderPrivate);
|
||||
|
||||
priv->selectors_info = g_ptr_array_new_with_free_func ((GDestroyNotify) selector_style_info_free);
|
||||
priv->scanner = create_scanner ();
|
||||
|
||||
priv->symbolic_colors = g_hash_table_new_full (g_str_hash, g_str_equal,
|
||||
(GDestroyNotify) g_free,
|
||||
@ -756,40 +768,36 @@ property_value_free (GValue *value)
|
||||
}
|
||||
|
||||
static void
|
||||
css_provider_apply_scope (GtkCssProvider *css_provider,
|
||||
ParserScope scope)
|
||||
scanner_apply_scope (GScanner *scanner,
|
||||
ParserScope scope)
|
||||
{
|
||||
GtkCssProviderPrivate *priv;
|
||||
|
||||
priv = css_provider->priv;
|
||||
|
||||
g_scanner_set_scope (priv->scanner, scope);
|
||||
g_scanner_set_scope (scanner, scope);
|
||||
|
||||
if (scope == SCOPE_VALUE)
|
||||
{
|
||||
priv->scanner->config->cset_identifier_first = G_CSET_a_2_z "@#-_0123456789" G_CSET_A_2_Z;
|
||||
priv->scanner->config->cset_identifier_nth = G_CSET_a_2_z "@#-_ 0123456789(),.\n" G_CSET_A_2_Z;
|
||||
priv->scanner->config->scan_identifier_1char = TRUE;
|
||||
scanner->config->cset_identifier_first = G_CSET_a_2_z "@#-_0123456789" G_CSET_A_2_Z;
|
||||
scanner->config->cset_identifier_nth = G_CSET_a_2_z "@#-_ 0123456789(),.\n" G_CSET_A_2_Z;
|
||||
scanner->config->scan_identifier_1char = TRUE;
|
||||
}
|
||||
else if (scope == SCOPE_SELECTOR)
|
||||
{
|
||||
priv->scanner->config->cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "*@";
|
||||
priv->scanner->config->cset_identifier_nth = G_CSET_a_2_z "-_#" G_CSET_A_2_Z;
|
||||
priv->scanner->config->scan_identifier_1char = TRUE;
|
||||
scanner->config->cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "*@";
|
||||
scanner->config->cset_identifier_nth = G_CSET_a_2_z "-_#" G_CSET_A_2_Z;
|
||||
scanner->config->scan_identifier_1char = TRUE;
|
||||
}
|
||||
else if (scope == SCOPE_PSEUDO_CLASS ||
|
||||
scope == SCOPE_NTH_CHILD ||
|
||||
scope == SCOPE_DECLARATION)
|
||||
{
|
||||
priv->scanner->config->cset_identifier_first = G_CSET_a_2_z "-" G_CSET_A_2_Z;
|
||||
priv->scanner->config->cset_identifier_nth = G_CSET_a_2_z "-" G_CSET_A_2_Z;
|
||||
priv->scanner->config->scan_identifier_1char = FALSE;
|
||||
scanner->config->cset_identifier_first = G_CSET_a_2_z "-" G_CSET_A_2_Z;
|
||||
scanner->config->cset_identifier_nth = G_CSET_a_2_z "-" G_CSET_A_2_Z;
|
||||
scanner->config->scan_identifier_1char = FALSE;
|
||||
}
|
||||
else
|
||||
g_assert_not_reached ();
|
||||
|
||||
priv->scanner->config->scan_float = FALSE;
|
||||
priv->scanner->config->cpair_comment_single = NULL;
|
||||
scanner->config->scan_float = FALSE;
|
||||
scanner->config->cpair_comment_single = NULL;
|
||||
}
|
||||
|
||||
static void
|
||||
@ -801,7 +809,7 @@ css_provider_push_scope (GtkCssProvider *css_provider,
|
||||
priv = css_provider->priv;
|
||||
priv->state = g_slist_prepend (priv->state, GUINT_TO_POINTER (scope));
|
||||
|
||||
css_provider_apply_scope (css_provider, scope);
|
||||
scanner_apply_scope (priv->scanner, scope);
|
||||
}
|
||||
|
||||
static ParserScope
|
||||
@ -815,7 +823,7 @@ css_provider_pop_scope (GtkCssProvider *css_provider)
|
||||
if (!priv->state)
|
||||
{
|
||||
g_warning ("Push/pop calls to parser scope aren't paired");
|
||||
css_provider_apply_scope (css_provider, SCOPE_SELECTOR);
|
||||
scanner_apply_scope (priv->scanner, SCOPE_SELECTOR);
|
||||
return SCOPE_SELECTOR;
|
||||
}
|
||||
|
||||
@ -825,7 +833,7 @@ css_provider_pop_scope (GtkCssProvider *css_provider)
|
||||
if (priv->state)
|
||||
scope = GPOINTER_TO_INT (priv->state->data);
|
||||
|
||||
css_provider_apply_scope (css_provider, scope);
|
||||
scanner_apply_scope (priv->scanner, scope);
|
||||
|
||||
return scope;
|
||||
}
|
||||
@ -840,7 +848,7 @@ css_provider_reset_parser (GtkCssProvider *css_provider)
|
||||
g_slist_free (priv->state);
|
||||
priv->state = NULL;
|
||||
|
||||
css_provider_apply_scope (css_provider, SCOPE_SELECTOR);
|
||||
scanner_apply_scope (priv->scanner, SCOPE_SELECTOR);
|
||||
|
||||
g_slist_foreach (priv->cur_selectors, (GFunc) selector_path_unref, NULL);
|
||||
g_slist_free (priv->cur_selectors);
|
||||
@ -1979,6 +1987,64 @@ parse_rule (GtkCssProvider *css_provider,
|
||||
|
||||
return G_TOKEN_NONE;
|
||||
}
|
||||
else if (strcmp (directive, "import") == 0)
|
||||
{
|
||||
GScanner *scanner_backup;
|
||||
GSList *state_backup;
|
||||
GError *error = NULL;
|
||||
gboolean loaded;
|
||||
gchar *path;
|
||||
|
||||
css_provider_push_scope (css_provider, SCOPE_VALUE);
|
||||
g_scanner_get_next_token (scanner);
|
||||
|
||||
if (scanner->token != G_TOKEN_IDENTIFIER)
|
||||
return G_TOKEN_IDENTIFIER;
|
||||
|
||||
path = path_parse (css_provider,
|
||||
g_strstrip (scanner->value.v_identifier));
|
||||
|
||||
if (!path)
|
||||
return G_TOKEN_IDENTIFIER;
|
||||
|
||||
css_provider_pop_scope (css_provider);
|
||||
g_scanner_get_next_token (scanner);
|
||||
|
||||
if (scanner->token != ';')
|
||||
{
|
||||
g_free (path);
|
||||
return ';';
|
||||
}
|
||||
|
||||
/* Snapshot current parser state and scanner in order to restore after importing */
|
||||
state_backup = priv->state;
|
||||
scanner_backup = priv->scanner;
|
||||
|
||||
priv->state = NULL;
|
||||
priv->scanner = create_scanner ();
|
||||
|
||||
/* FIXME: Avoid recursive importing */
|
||||
loaded = gtk_css_provider_load_from_path_internal (css_provider, path,
|
||||
FALSE, &error);
|
||||
|
||||
/* Restore previous state */
|
||||
css_provider_reset_parser (css_provider);
|
||||
priv->state = state_backup;
|
||||
g_scanner_destroy (priv->scanner);
|
||||
priv->scanner = scanner_backup;
|
||||
|
||||
g_free (path);
|
||||
|
||||
if (!loaded)
|
||||
{
|
||||
g_warning ("Error loading imported file \"%s\": %s",
|
||||
path, (error) ? error->message : "");
|
||||
g_error_free (error);
|
||||
return G_TOKEN_IDENTIFIER;
|
||||
}
|
||||
else
|
||||
return G_TOKEN_NONE;
|
||||
}
|
||||
else
|
||||
return G_TOKEN_IDENTIFIER;
|
||||
}
|
||||
@ -2209,10 +2275,11 @@ gtk_css_provider_load_from_file (GtkCssProvider *css_provider,
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
gboolean
|
||||
gtk_css_provider_load_from_path (GtkCssProvider *css_provider,
|
||||
const gchar *path,
|
||||
GError **error)
|
||||
static gboolean
|
||||
gtk_css_provider_load_from_path_internal (GtkCssProvider *css_provider,
|
||||
const gchar *path,
|
||||
gboolean reset,
|
||||
GError **error)
|
||||
{
|
||||
GtkCssProviderPrivate *priv;
|
||||
GError *internal_error = NULL;
|
||||
@ -2220,9 +2287,6 @@ gtk_css_provider_load_from_path (GtkCssProvider *css_provider,
|
||||
const gchar *data;
|
||||
gsize length;
|
||||
|
||||
g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
|
||||
g_return_val_if_fail (path != NULL, FALSE);
|
||||
|
||||
priv = css_provider->priv;
|
||||
|
||||
mapped_file = g_mapped_file_new (path, FALSE, &internal_error);
|
||||
@ -2240,11 +2304,14 @@ gtk_css_provider_load_from_path (GtkCssProvider *css_provider,
|
||||
if (!data)
|
||||
return FALSE;
|
||||
|
||||
if (priv->selectors_info->len > 0)
|
||||
g_ptr_array_remove_range (priv->selectors_info, 0, priv->selectors_info->len);
|
||||
if (reset)
|
||||
{
|
||||
if (priv->selectors_info->len > 0)
|
||||
g_ptr_array_remove_range (priv->selectors_info, 0, priv->selectors_info->len);
|
||||
|
||||
g_free (priv->filename);
|
||||
priv->filename = g_strdup (path);
|
||||
g_free (priv->filename);
|
||||
priv->filename = g_strdup (path);
|
||||
}
|
||||
|
||||
priv->scanner->input_name = priv->filename;
|
||||
g_scanner_input_text (priv->scanner, data, (guint) length);
|
||||
@ -2256,6 +2323,20 @@ gtk_css_provider_load_from_path (GtkCssProvider *css_provider,
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
gboolean
|
||||
gtk_css_provider_load_from_path (GtkCssProvider *css_provider,
|
||||
const gchar *path,
|
||||
GError **error)
|
||||
{
|
||||
GtkCssProviderPrivate *priv;
|
||||
|
||||
g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
|
||||
g_return_val_if_fail (path != NULL, FALSE);
|
||||
|
||||
return gtk_css_provider_load_from_path_internal (css_provider, path,
|
||||
TRUE, error);
|
||||
}
|
||||
|
||||
GtkCssProvider *
|
||||
gtk_css_provider_get_default (void)
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user