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//========= Copyright Valve Corporation, All rights reserved. =================//
//
// Read JSON-formatted data into KeyValues
//
//=============================================================================//
#ifndef KEYVALUESJSON_H
#define KEYVALUESJSON_H
#ifdef _WIN32
#pragma once
#endif
#include "KeyValues.h"
class CUtlBuffer;
/// JSON parser. Use this class when you need to customize the parsing.
class KeyValuesJSONParser
{
public:
KeyValuesJSONParser( const CUtlBuffer &buf );
KeyValuesJSONParser( const char *pszText, int cbSize = -1 );
~KeyValuesJSONParser();
/// Parse the whole string. If there's a problem, returns NULL and sets m_nLine,m_szErrMsg with more info.
KeyValues *ParseFile();
/// Error message is returned here, if there is one.
char m_szErrMsg[ 1024 ];
/// Line number of current token during parsing, or of the error, of pasring fails
int m_nLine;
private:
bool ParseObject( KeyValues *pObject );
bool ParseArray( KeyValues *pArray );
bool ParseValue( KeyValues *pValue );
void Init( const char *pszText, int cbSize );
const char *m_cur;
const char *m_end;
enum
{
kToken_Err = -2, // An error has been discovered, don't parse anything else
kToken_EOF = -1,
kToken_String = 1,
kToken_NumberInt = 2,
kToken_NumberFloat = 3,
kToken_True = 4,
kToken_False = 5,
kToken_Null = 6,
};
int m_eToken;
CUtlVectorFixedGrowable<char,1024> m_vecTokenChars;
void NextToken();
void ParseNumberToken();
void ParseStringToken();
const char *GetTokenDebugText();
};
#ifdef _DEBUG
extern void TestKeyValuesJSONParser();
#endif
#endif // KEYVALUESJSON_H
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