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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.
*/
#ifndef CCSS_PROPERTY_H
#define CCSS_PROPERTY_H
#include <stdbool.h>
#include <ccss/ccss-macros.h>
CCSS_BEGIN_DECLS
/**
* ccss_property_state_t:
* @CCSS_PROPERTY_STATE_INVALID: error state, invalid property.
* @CCSS_PROPERTY_STATE_NONE: property set to `none', switched off.
* @CCSS_PROPERTY_STATE_INHERIT: inherit property from container.
* @CCSS_PROPERTY_STATE_SET: property is valid and set.
* @CCSS_PROPERTY_STATE_ERROR_OVERFLOW: error state, used for bounds checking.
*
* This enum must be embedded as first field in every property implementation.
*
* <!-- PONDERING: turn into flags and add CCSS_PROPERTY_STATE_UNRESOLVED. -->
**/
typedef enum {
CCSS_PROPERTY_STATE_INVALID = 0,
CCSS_PROPERTY_STATE_NONE,
CCSS_PROPERTY_STATE_INHERIT,
CCSS_PROPERTY_STATE_SET,
CCSS_PROPERTY_STATE_ERROR_OVERFLOW
} ccss_property_state_t;
const char *
ccss_property_state_serialize (ccss_property_state_t self);
/**
* ccss_property_type_t:
* @CCSS_PROPERTY_TYPE_DOUBLE: property represented by a floating point number.
* @CCSS_PROPERTY_TYPE_STRING: property represented by a string.
*
* Type descriptions for generic properties.
**/
typedef enum {
CCSS_PROPERTY_TYPE_DOUBLE,
CCSS_PROPERTY_TYPE_STRING
} ccss_property_type_t;
typedef struct ccss_property_ ccss_property_t;
typedef struct ccss_property_class_ ccss_property_class_t;
ccss_property_state_t
ccss_property_get_state (ccss_property_t const *self);
CCSS_END_DECLS
#endif /* CCSS_PROPERTY_H */
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