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