Token.hpp
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上传日期:2007-01-10
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Id: Token.hpp,v 1.3 2001/05/11 13:26:50 tng Exp $
- */
- #if !defined(TOKEN_HPP)
- #define TOKEN_HPP
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <util/XercesDefs.hpp>
- #include <util/RuntimeException.hpp>
- // ---------------------------------------------------------------------------
- // Forward Declaration
- // ---------------------------------------------------------------------------
- class RangeToken;
- class TokenFactory;
- class XMLUTIL_EXPORT Token {
- public:
- // -----------------------------------------------------------------------
- // Public Constructors and Destructor
- // -----------------------------------------------------------------------
- Token(const unsigned short tokType);
- virtual ~Token();
- // -----------------------------------------------------------------------
- // Public Constants
- // -----------------------------------------------------------------------
- // Token types
- enum {
- CHAR = 0,
- CONCAT = 1,
- UNION = 2,
- CLOSURE = 3,
- RANGE = 4,
- NRANGE = 5,
- PAREN = 6,
- EMPTY = 7,
- ANCHOR = 8,
- NONGREEDYCLOSURE = 9,
- STRING = 10,
- DOT = 11,
- BACKREFERENCE = 12,
- LOOKAHEAD = 20,
- NEGATIVELOOKAHEAD = 21,
- LOOKBEHIND = 22,
- NEGATIVELOOKBEHIND = 23,
- INDEPENDENT = 24,
- MODIFIERGROUP = 25,
- CONDITION = 26
- };
- static const XMLInt32 UTF16_MAX;
- static const unsigned short FC_CONTINUE;
- static const unsigned short FC_TERMINAL;
- static const unsigned short FC_ANY;
- // -----------------------------------------------------------------------
- // Getter methods
- // -----------------------------------------------------------------------
- unsigned short getTokenType() const;
- int getMinLength() const;
- int getMaxLength() const;
- virtual Token* getChild(const int index) const;
- virtual int size() const;
- virtual int getMin() const;
- virtual int getMax() const;
- virtual int getNoParen() const;
- virtual int getReferenceNo() const;
- virtual const XMLCh* getString() const;
- virtual XMLInt32 getChar() const;
- // -----------------------------------------------------------------------
- // Setter methods
- // -----------------------------------------------------------------------
- void setTokenType(const unsigned short tokType);
- virtual void setMin(const int minVal);
- virtual void setMax(const int maxVal);
- // -----------------------------------------------------------------------
- // Range manipulation methods
- // -----------------------------------------------------------------------
- virtual void addRange(const XMLInt32 start, const XMLInt32 end);
- virtual void mergeRanges(const Token *const tok);
- virtual void sortRanges();
- virtual void compactRanges();
- virtual void subtractRanges(RangeToken* const tok);
- virtual void intersectRanges(RangeToken* const tok);
- // -----------------------------------------------------------------------
- // Putter methods
- // -----------------------------------------------------------------------
- virtual void addChild(Token* const child, TokenFactory* const tokFactory);
- // -----------------------------------------------------------------------
- // Helper methods
- // -----------------------------------------------------------------------
- int analyzeFirstCharacter(RangeToken* const rangeTok, const int options,
- TokenFactory* const tokFactory);
- Token* findFixedString(int options, int& outOptions);
- private:
- // -----------------------------------------------------------------------
- // Unimplemented constructors and operators
- // -----------------------------------------------------------------------
- Token(const Token&);
- void operator=(const Token&);
- // -----------------------------------------------------------------------
- // Private Helper methods
- // -----------------------------------------------------------------------
- bool isSet(const int options, const unsigned int flag);
- bool isShorterThan(Token* const tok);
- // -----------------------------------------------------------------------
- // Private data members
- // -----------------------------------------------------------------------
- unsigned short fTokenType;
- };
- // ---------------------------------------------------------------------------
- // Token: getter methods
- // ---------------------------------------------------------------------------
- inline unsigned short Token::getTokenType() const {
- return fTokenType;
- }
- inline int Token::size() const {
- return 0;
- }
- inline Token* Token::getChild(const int index) const {
- return 0;
- }
- inline int Token::getMin() const {
- return -1;
- }
- inline int Token::getMax() const {
- return -1;
- }
- inline int Token::getReferenceNo() const {
- return 0;
- }
- inline int Token::getNoParen() const {
- return 0;
- }
- inline const XMLCh* Token::getString() const {
- return 0;
- }
- inline XMLInt32 Token::getChar() const {
- return -1;
- }
- // ---------------------------------------------------------------------------
- // Token: setter methods
- // ---------------------------------------------------------------------------
- inline void Token::setTokenType(const unsigned short tokType) {
-
- fTokenType = tokType;
- }
- inline void Token::setMax(const int maxVal) {
- // ClosureToken
- }
- inline void Token::setMin(const int minVal) {
- // ClosureToken
- }
- inline bool Token::isSet(const int options, const unsigned int flag) {
- return (options & flag) == flag;
- }
- // ---------------------------------------------------------------------------
- // Token: setter methods
- // ---------------------------------------------------------------------------
- inline void Token::addChild(Token* const child, TokenFactory* const tokFactory) {
- ThrowXML(RuntimeException, XMLExcepts::Regex_NotSupported);
- }
- // ---------------------------------------------------------------------------
- // Token: Range manipulation methods
- // ---------------------------------------------------------------------------
- inline void Token::addRange(const XMLInt32 start, const XMLInt32 end) {
- ThrowXML(RuntimeException, XMLExcepts::Regex_NotSupported);
- }
- inline void Token::mergeRanges(const Token *const tok) {
- ThrowXML(RuntimeException, XMLExcepts::Regex_NotSupported);
- }
- inline void Token::sortRanges() {
- ThrowXML(RuntimeException, XMLExcepts::Regex_NotSupported);
- }
- inline void Token::compactRanges() {
- ThrowXML(RuntimeException, XMLExcepts::Regex_NotSupported);
- }
- inline void Token::subtractRanges(RangeToken* const tok) {
- ThrowXML(RuntimeException, XMLExcepts::Regex_NotSupported);
- }
- inline void Token::intersectRanges(RangeToken* const tok) {
- ThrowXML(RuntimeException, XMLExcepts::Regex_NotSupported);
- }
- #endif
- /**
- * End of file Token.hpp
- */