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cssvalue: Add a custom value for strings

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This commit is contained in:
Benjamin Otte 2012-03-30 02:48:05 +02:00
parent 0cce3520d3
commit 7c75611bc2
5 changed files with 168 additions and 20 deletions
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2
gtk/Makefile.am
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@ -445,6 +445,7 @@ gtk_private_h_sources = \
gtkcssselectorprivate.h \
gtkcssshadowvalueprivate.h \
gtkcssshorthandpropertyprivate.h \
gtkcssstringvalueprivate.h \
gtkcssstylefuncsprivate.h \
gtkcssstylepropertyprivate.h \
gtkcssvalueprivate.h \
@ -647,6 +648,7 @@ gtk_base_c_sources = \
gtkcssrgbavalue.c \
gtkcsssection.c \
gtkcssselector.c \
gtkcssstringvalue.c \
gtkcssshadowvalue.c \
gtkcssshorthandproperty.c \
gtkcssshorthandpropertyimpl.c \

128
gtk/gtkcssstringvalue.c Normal file
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@ -0,0 +1,128 @@
/* 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_slice_free (GtkCssValue, value);
}
static gboolean
gtk_css_value_string_equal (const GtkCssValue *value1,
const GtkCssValue *value2)
{
return g_strcmp0 (value1->string, value2->string) == 0;
}
static void
gtk_css_value_string_print (const GtkCssValue *value,
GString *str)
{
char *string = value->string;
gsize len;
g_string_append_c (str, '"');
do {
len = strcspn (string, "\"\n\r\f");
g_string_append_len (str, string, len);
string += len;
switch (*string)
{
case '\0':
break;
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;
default:
g_assert_not_reached ();
break;
}
} while (*string);
g_string_append_c (str, '"');
}
static const GtkCssValueClass GTK_CSS_VALUE_STRING = {
gtk_css_value_string_free,
gtk_css_value_string_equal,
gtk_css_value_string_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, &GTK_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_read_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 == &GTK_CSS_VALUE_STRING, NULL);
return value->string;
}

38
gtk/gtkcssstringvalueprivate.h Normal file
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@ -0,0 +1,38 @@
/*
* Copyright © 2012 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 2.1 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/>.
*
* Authors: Alexander Larsson <alexl@gnome.org>
*/
#ifndef __GTK_CSS_STRING_VALUE_PRIVATE_H__
#define __GTK_CSS_STRING_VALUE_PRIVATE_H__
#include "gtkcssparserprivate.h"
#include "gtkcsstypesprivate.h"
#include "gtkcssvalueprivate.h"
G_BEGIN_DECLS
GtkCssValue * _gtk_css_string_value_new (const char *string);
GtkCssValue * _gtk_css_string_value_new_take (char *string);
GtkCssValue * _gtk_css_string_value_parse (GtkCssParser *parser);
const char * _gtk_css_string_value_get (const GtkCssValue *string);
G_END_DECLS
#endif /* __GTK_CSS_STRING_VALUE_PRIVATE_H__ */

18
gtk/gtkcssvalue.c
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@ -213,17 +213,6 @@ _gtk_css_value_new_from_double (double d)
return value;
}
GtkCssValue *
_gtk_css_value_new_take_string (char *string)
{
GtkCssValue *value;
value = gtk_css_value_new (G_TYPE_STRING);
value->u.ptr = string;
return value;
}
GtkCssValue *
_gtk_css_value_new_take_strv (char **strv)
{
@ -515,13 +504,6 @@ _gtk_css_value_get_double (const GtkCssValue *value)
return value->u.dbl;
}
const char *
_gtk_css_value_get_string (const GtkCssValue *value)
{
g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRING), 0);
return value->u.ptr;
}
gpointer
_gtk_css_value_dup_object (const GtkCssValue *value)
{

2
gtk/gtkcssvalueprivate.h
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@ -76,7 +76,6 @@ GtkCssValue *_gtk_css_value_new_from_int (gint
GtkCssValue *_gtk_css_value_new_from_enum (GType type,
gint val);
GtkCssValue *_gtk_css_value_new_from_double (double d);
GtkCssValue *_gtk_css_value_new_take_string (char *string);
GtkCssValue *_gtk_css_value_new_take_strv (char **strv);
GtkCssValue *_gtk_css_value_new_from_boxed (GType type,
gpointer boxed);
@ -95,7 +94,6 @@ void _gtk_css_value_init_gvalue (const GtkCssValue
int _gtk_css_value_get_int (const GtkCssValue *value);
int _gtk_css_value_get_enum (const GtkCssValue *value);
double _gtk_css_value_get_double (const GtkCssValue *value);
const char * _gtk_css_value_get_string (const GtkCssValue *value);
gpointer _gtk_css_value_dup_object (const GtkCssValue *value);
gpointer _gtk_css_value_get_object (const GtkCssValue *value);
gpointer _gtk_css_value_get_boxed (const GtkCssValue *value);