aria2/src/ValueBaseStructParserStateM...

119 lines
3.7 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2012 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef D_VALUE_BASE_STRUCT_PARSER_STATE_MACHINE_H
#define D_VALUE_BASE_STRUCT_PARSER_STATE_MACHINE_H
#include "StructParserStateMachine.h"
#include <string>
#include <stack>
#include <memory>
namespace aria2 {
class ValueBase;
namespace rpc {
class XmlRpcRequestParserController;
} // namespace rpc;
class ValueBaseStructParserState;
// Implementation of StructParserStateMachine, using ValueBase as
// value holder.
class ValueBaseStructParserStateMachine : public StructParserStateMachine {
public:
typedef std::unique_ptr<ValueBase> ResultType;
static std::unique_ptr<ValueBase> noResult();
struct NumberData {
int64_t number;
int frac;
int exp;
};
struct SessionData {
std::string str;
NumberData number;
bool bval;
};
ValueBaseStructParserStateMachine();
virtual ~ValueBaseStructParserStateMachine();
virtual void beginElement(int elementType) CXX11_OVERRIDE;
virtual void endElement(int elementType) CXX11_OVERRIDE;
virtual void charactersCallback(const char* data, size_t len)
CXX11_OVERRIDE;
virtual void numberCallback(int64_t number, int frac, int exp)
CXX11_OVERRIDE;
virtual void boolCallback(bool bval) CXX11_OVERRIDE;
std::unique_ptr<ValueBase> getResult();
virtual void reset() CXX11_OVERRIDE;
const std::string& getCharacters() const;
const NumberData& getNumber() const;
bool getBool() const;
void popArrayFrame();
void popDictFrame();
void pushFrame();
void setCurrentFrameValue(std::unique_ptr<ValueBase> value);
const std::unique_ptr<ValueBase>& getCurrentFrameValue() const;
std::unique_ptr<ValueBase> popCurrentFrameValue();
void setCurrentFrameName(std::string name);
void pushDictState();
void pushDictKeyState();
void pushDictDataState();
void pushArrayState();
void pushArrayDataState();
void pushStringState();
void pushNumberState();
void pushBoolState();
void pushNullState();
private:
std::unique_ptr<rpc::XmlRpcRequestParserController> ctrl_;
std::stack<ValueBaseStructParserState*> stateStack_;
SessionData sessionData_;
};
} // namespace aria2
#endif // D_VALUE_BASE_STRUCT_PARSER_STATE_MACHINE_H