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o3de/Code/CryEngine/CrySystem/Serialization/JSONIArchive.h

96 lines
3.6 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.
#pragma once
#include "Serialization/IArchive.h"
#include "MemoryReader.h"
#include "Token.h"
#include <memory>
namespace Serialization {
class MemoryReader;
class JSONIArchive
: public IArchive
{
public:
JSONIArchive();
~JSONIArchive();
bool load(const char* filename);
bool open(const char* buffer, size_t length, bool free = false);
// virtuals:
bool operator()(bool& value, const char* name = "", const char* label = 0);
bool operator()(IString& value, const char* name = "", const char* label = 0);
bool operator()(IWString& value, const char* name = "", const char* label = 0);
bool operator()(float& value, const char* name = "", const char* label = 0);
bool operator()(double& value, const char* name = "", const char* label = 0);
bool operator()(int16& value, const char* name = "", const char* label = 0);
bool operator()(uint16& value, const char* name = "", const char* label = 0);
bool operator()(int32& value, const char* name = "", const char* label = 0);
bool operator()(uint32& value, const char* name = "", const char* label = 0);
bool operator()(int64& value, const char* name = "", const char* label = 0);
bool operator()(uint64& value, const char* name = "", const char* label = 0);
bool operator()(int8& value, const char* name = "", const char* label = 0);
bool operator()(uint8& value, const char* name = "", const char* label = 0);
bool operator()(char& value, const char* name = "", const char* label = 0);
bool operator()(const SStruct& ser, const char* name = "", const char* label = 0);
bool operator()(const SBlackBox& ser, const char* name = "", const char* label = 0);
bool operator()(IContainer& ser, const char* name = "", const char* label = 0);
bool operator()(IKeyValue& ser, const char* name = "", const char* label = 0);
bool operator()(IPointer& ser, const char* name = "", const char* label = 0);
using IArchive::operator();
private:
bool findName(const char* name, Token* outName = 0);
bool openBracket();
bool closeBracket();
bool openContainerBracket();
bool closeContainerBracket();
void checkValueToken();
bool checkStringValueToken();
void readToken();
void putToken();
int line(const char* position) const;
bool isName(Token token) const;
bool expect(char token);
void skipBlock();
struct Level
{
const char* start;
const char* firstToken;
bool isContainer;
bool isKeyValue;
Level()
: isContainer(false)
, isKeyValue(false) {}
};
typedef std::vector<Level> Stack;
Stack stack_;
std::unique_ptr<MemoryReader> reader_;
Token token_;
std::vector<char> unescapeBuffer_;
string filename_;
void* buffer_;
};
}