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/* vim: set ts=8 sw=8 noexpandtab: */
/* The `C' CSS Library.
* Copyright (C) 2008 Robert Staudinger
*
* 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, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <string.h>
#include <glib.h>
#include <libcroco/libcroco.h>
#include "ccss-grammar.h"
#include "ccss-property-generic.h"
#include "ccss-property-impl.h"
#include "ccss-property-parser.h"
#include "config.h"
static ccss_property_class_t const *
peek_property_class (void);
static bool
property_factory (ccss_grammar_t const *grammar,
ccss_block_t *block,
char const *name,
CRTerm const *values,
void *user_data)
{
ccss_property_generic_t *property, p;
memset (&p, 0, sizeof (p));
p.base.vtable = peek_property_class ();
p.base.state = ccss_property_parse_state (&values);
p.name = g_strdup (name);
if (p.base.state == CCSS_PROPERTY_STATE_SET) {
p.values = (CRTerm *) values;
cr_term_ref (p.values);
}
property = g_new0 (ccss_property_generic_t, 1);
*property = p;
ccss_block_add_property (block, name, &property->base);
return true;
}
static void
property_destroy (ccss_property_generic_t *self)
{
g_return_if_fail (self);
g_free (self->name);
if (self->values) {
cr_term_unref (self->values);
}
g_free (self);
}
static bool
property_convert (ccss_property_generic_t *self,
ccss_property_type_t target,
void *value)
{
char const *str;
double num;
g_return_val_if_fail (self && value, false);
switch (target) {
case CCSS_PROPERTY_TYPE_DOUBLE:
if (self->values->type == TERM_NUMBER) {
* (double *) value = self->values->content.num->val;
return true;
}
g_warning (G_STRLOC "Cannot convert property '%s' to 'double'",
self->name);
return false;
break;
case CCSS_PROPERTY_TYPE_STRING:
switch (self->base.state) {
case CCSS_PROPERTY_STATE_NONE:
* (char **) value = g_strdup ("none");
return true;
case CCSS_PROPERTY_STATE_INHERIT:
* (char **) value = g_strdup ("inherit");
return true;
case CCSS_PROPERTY_STATE_SET:
if (self->values == NULL) {
g_warning (G_STRLOC "NULL property '%s'",
self->name);
return false;
}
break;
case CCSS_PROPERTY_STATE_INVALID:
default:
g_warning (G_STRLOC "Invalid property '%s'",
self->name);
return false;
}
switch (self->values->type) {
case TERM_NUMBER:
num = self->values->content.num->val;
* (char **) value = g_strdup_printf ("%f", num);
return true;
case TERM_HASH:
str = cr_string_peek_raw_str (self->values->content.str);
* (char **) value = g_strdup_printf ("#%s", str);
return true;
case TERM_IDENT: /* Fall thru. */
case TERM_STRING:
str = cr_string_peek_raw_str (self->values->content.str);
* (char **) value = g_strdup (str);
return true;
default:
g_warning (G_STRLOC "Unhandled property type '%d'",
self->values->type);
return false;
}
break;
default:
g_assert_not_reached ();
return false;
}
return true;
}
ccss_property_class_t const _ptable[] = {
{
.name = "*",
.create = NULL,
.destroy = (ccss_property_destroy_f) property_destroy,
.convert = (ccss_property_convert_f) property_convert,
.factory = property_factory,
.inherit = NULL,
.serialize = NULL
}, {
.name = NULL
}
};
static ccss_property_class_t const *
peek_property_class (void)
{
return &_ptable[0];
}
ccss_property_class_t const *
ccss_property_parser_get_property_classes (void)
{
return _ptable;
}
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