You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
1.6 KiB
71 lines
1.6 KiB
5 years ago
|
//========= 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
|