File indexing completed on 2024-05-12 15:43:24

 /*
  *  This file is part of the KDE libraries
  *  Copyright (C) 2012 Bernd Buschinski (b.buschinski@googlemail.com)
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library 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
  *  Library General Public License for more details.
  *
  *  You should have received a copy of the GNU Library General Public License
  *  along with this library; see the file COPYING.LIB.  If not, write to
  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  *  Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef JSONLEXER_H
 #define JSONLEXER_H
 
 #include "ustring.h"
 
 namespace KJS
 {
 
 class ExecState;
 class JSValue;
 class JSObject;
 class JSONParser;
 
 namespace JSONParserState
 {
 enum ParserState {
     JSONValue = 1,
     JSONObject,
     JSONArray
 };
 
 enum TokenType {
     TokLBracket, // [
     TokRBracket, // ]
     TokLBrace,   // {
     TokRBrace,   // }
     TokString,
     TokIdentifier,
     TokNumber,
     TokColon,
     TokLParen,
     TokRParen,
     TokComma,
     TokTrue,
     TokFalse,
     TokNull,
     TokEnd,
     TokError
 };
 }
 
 class JSONLexer
 {
 public:
     explicit JSONLexer(const UString &code);
 
     JSONParserState::TokenType next();
     JSONParserState::TokenType current();
     double currentNumber() const;
     UString currentString() const;
 
 private:
     inline JSONParserState::TokenType lexString();
     inline JSONParserState::TokenType lexNumber();
     UChar parseEscapeChar(bool *error);
 
     UString m_code;
     int m_pos;
 
     //Token Data
     JSONParserState::TokenType m_type;
     UString m_stringToken;
     double m_numberToken;
 };
 
 class JSONParser
 {
 public:
     explicit JSONParser(const UString &code);
 
     // Returns the root parsed JSValue*
     // or NULL on failure
     JSValue *tryParse(ExecState *exec);
 
 private:
     JSValue *parse(ExecState *exec, JSONParserState::ParserState state = JSONParserState::JSONValue);
     inline bool nextParseIsEOF();
 
     JSONParserState::ParserState m_state;
     JSONLexer m_lexer;
 };
 
 } // namespace KJS
 
 #endif // JSONLEXER_H