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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef ROCKETCOREPROPERTYDEFINITION_H
#define ROCKETCOREPROPERTYDEFINITION_H
#include "Header.h"
#include "Property.h"
#include "PropertyParser.h"
namespace Rocket {
namespace Core {
/**
@author Peter Curry
*/
class ROCKETCORE_API PropertyDefinition
{
public:
PropertyDefinition(const String& default_value, bool inherited, bool forces_layout);
virtual ~PropertyDefinition();
/// Registers a parser to parse values for this definition.
/// @param[in] parser_name The name of the parser (default parsers are 'string', 'keyword', 'number' and 'colour').
/// @param[in] parser_parameters A comma-separated list of validation parameters for the parser.
/// @return This property definition.
PropertyDefinition& AddParser(const String& parser_name, const String& parser_parameters = "");
/// Called when parsing a RCSS declaration.
/// @param property[out] The property to set the parsed value onto.
/// @param value[in] The raw value defined for this property.
/// @return True if all values were parsed successfully, false otherwise.
bool ParseValue(Property& property, const String& value) const;
/// Called to convert a parsed property back into a value.
/// @param value[out] The string to return the value in.
/// @param property[in] The processed property to parse.
/// @return True if the property was reverse-engineered successfully, false otherwise.
bool GetValue(String& value, const Property& property) const;
/// Returns true if this property is inherited from parent to child elements.
bool IsInherited() const;
/// Returns true if this property forces a re-layout when changed.
bool IsLayoutForced() const;
/// Returns the default defined for this property.
const Property* GetDefaultValue() const;
private:
Property default_value;
bool inherited;
bool forces_layout;
struct ParserState
{
PropertyParser* parser;
ParameterMap parameters;
};
std::vector< ParserState > parsers;
};
}
}
#endif
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