Aegisub/aegisub/libaegisub/common/option_visit.h

// Copyright (c) 2010, Amar Takhar <verm@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// $Id$

/// @file option_visit.h
/// @brief Cajun JSON visitor to load config values.
/// @see option_visit.cpp
/// @ingroup libaegisub

#include "libaegisub/option.h"
#include "libaegisub/cajun/elements.h"
#include "libaegisub/cajun/visitor.h"

namespace agi {

DEFINE_BASE_EXCEPTION_NOINNER(OptionJsonValueError, Exception)
DEFINE_SIMPLE_EXCEPTION_NOINNER(OptionJsonValueArray, OptionJsonValueError, "options/value/array")
DEFINE_SIMPLE_EXCEPTION_NOINNER(OptionJsonValueSingle, OptionJsonValueError, "options/value")
DEFINE_SIMPLE_EXCEPTION_NOINNER(OptionJsonValueNull, OptionJsonValueError, "options/value")

class ConfigVisitor : public json::ConstVisitor {
	OptionValueMap &values;
	std::string name;
	typedef std::pair<std::string, OptionValue*> OptionValuePair;

	void AddOptionValue(OptionValue* opt);

public:
	ConfigVisitor(OptionValueMap &val, const std::string &member_name);

	void Visit(const json::Array& array);
	void Visit(const json::Object& object);
	void Visit(const json::Number& number);
	void Visit(const json::String& string);
	void Visit(const json::Boolean& boolean);
	void Visit(const json::Null& null);
};

} // namespace agi