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/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkcssstringvalueprivate.h"
#include <string.h>
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
char *string;
};
static void
gtk_css_value_string_free (GtkCssValue *value)
{
g_free (value->string);
g_slice_free (GtkCssValue, value);
}
static GtkCssValue *
gtk_css_value_string_compute (GtkCssValue *value,
guint property_id,
GtkStyleProvider *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
return _gtk_css_value_ref (value);
}
static gboolean
gtk_css_value_string_equal (const GtkCssValue *value1,
const GtkCssValue *value2)
{
return g_strcmp0 (value1->string, value2->string) == 0;
}
static GtkCssValue *
gtk_css_value_string_transition (GtkCssValue *start,
GtkCssValue *end,
guint property_id,
double progress)
{
return NULL;
}
static void
gtk_css_value_string_print (const GtkCssValue *value,
GString *str)
{
if (value->string == NULL)
{
g_string_append (str, "none");
return;
}
_gtk_css_print_string (str, value->string);
}
static void
gtk_css_value_ident_print (const GtkCssValue *value,
GString *str)
{
char *string = value->string;
gsize len;
do {
len = strcspn (string, "\"\n\r\f");
g_string_append_len (str, string, len);
string += len;
switch (*string)
{
case '\0':
goto out;
case '\n':
g_string_append (str, "\\A ");
break;
case '\r':
g_string_append (str, "\\D ");
break;
case '\f':
g_string_append (str, "\\C ");
break;
case '\"':
g_string_append (str, "\\\"");
break;
case '\'':
g_string_append (str, "\\'");
break;
case '\\':
g_string_append (str, "\\\\");
break;
default:
g_assert_not_reached ();
break;
}
string++;
} while (*string);
out:
;
}
static const GtkCssValueClass GTK_CSS_VALUE_STRING = {
"GtkCssStringValue",
gtk_css_value_string_free,
gtk_css_value_string_compute,
gtk_css_value_string_equal,
gtk_css_value_string_transition,
NULL,
NULL,
gtk_css_value_string_print
};
static const GtkCssValueClass GTK_CSS_VALUE_IDENT = {
"GtkCssIdentValue",
gtk_css_value_string_free,
gtk_css_value_string_compute,
gtk_css_value_string_equal,
gtk_css_value_string_transition,
NULL,
NULL,
gtk_css_value_ident_print
};
GtkCssValue *
_gtk_css_string_value_new (const char *string)
{
return _gtk_css_string_value_new_take (g_strdup (string));
}
GtkCssValue *
_gtk_css_string_value_new_take (char *string)
{
GtkCssValue *result;
result = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_STRING);
result->string = string;
return result;
}
GtkCssValue *
_gtk_css_string_value_parse (GtkCssParser *parser)
{
char *s;
g_return_val_if_fail (parser != NULL, NULL);
s = gtk_css_parser_consume_string (parser);
if (s == NULL)
return NULL;
return _gtk_css_string_value_new_take (s);
}
const char *
_gtk_css_string_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value != NULL, NULL);
g_return_val_if_fail (value->class == >K_CSS_VALUE_STRING, NULL);
return value->string;
}
GtkCssValue *
_gtk_css_ident_value_new (const char *ident)
{
return _gtk_css_ident_value_new_take (g_strdup (ident));
}
GtkCssValue *
_gtk_css_ident_value_new_take (char *ident)
{
GtkCssValue *result;
result = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_IDENT);
result->string = ident;
return result;
}
GtkCssValue *
_gtk_css_ident_value_try_parse (GtkCssParser *parser)
{
char *ident;
g_return_val_if_fail (parser != NULL, NULL);
if (!gtk_css_parser_has_token (parser, GTK_CSS_TOKEN_IDENT))
return NULL;
ident = gtk_css_parser_consume_ident (parser);
if (ident == NULL)
{
g_assert_not_reached ();
}
return _gtk_css_ident_value_new_take (ident);
}
const char *
_gtk_css_ident_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value != NULL, NULL);
g_return_val_if_fail (value->class == >K_CSS_VALUE_IDENT, NULL);
return value->string;
}
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