2015-02-11 18:14:22 +08:00
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/****************************************************************************
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2015-02-12 16:09:08 +08:00
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Copyright (c) 2015 Chukong Technologies Inc.
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2015-02-11 18:14:22 +08:00
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __CC_PU_SCRIPT_LEXER_H__
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#define __CC_PU_SCRIPT_LEXER_H__
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#include "base/CCRef.h"
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#include <vector>
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#include <string>
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NS_CC_BEGIN
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enum{
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TID_LBRACKET = 0, // {
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TID_RBRACKET, // }
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TID_COLON, // :
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TID_VARIABLE, // $...
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TID_WORD, // *
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TID_QUOTE, // "*"
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TID_NEWLINE, // \n
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TID_UNKNOWN,
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TID_END
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};
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/** This struct represents a token, which is an ID'd lexeme from the
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parsing input stream.
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*/
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struct PUScriptToken
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{
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/// This is the lexeme for this token
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std::string lexeme, file;
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/// This is the id associated with the lexeme, which comes from a lexeme-token id mapping
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unsigned int type;
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/// This holds the line number of the input stream where the token was found.
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unsigned int line;
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};
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typedef std::vector<PUScriptToken*> PUScriptTokenList;
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class PUScriptLexer
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{
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public:
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PUScriptLexer();
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~PUScriptLexer();
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void openLexer(const std::string &str,const std::string &source,PUScriptTokenList& tokenList);
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/** Tokenizes the given input and returns the list of tokens found */
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//tokenize(const std::string &str, const std::string &source);
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private: // Private utility operations
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void setToken(const std::string &lexeme, int line, const std::string &source, PUScriptTokenList *tokens);
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bool isWhitespace(char c) const;
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bool isNewline(char c) const;
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};
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NS_CC_END
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#endif
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