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StringTokenizer.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
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00004  *
00005  * Copyright (c) 1999 The Apache Software Foundation.  All rights 
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00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions
00010  * are met:
00011  *
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer. 
00014  *
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in
00017  *    the documentation and/or other materials provided with the
00018  *    distribution.
00019  *
00020  * 3. The end-user documentation included with the redistribution,
00021  *    if any, must include the following acknowledgment:  
00022  *       "This product includes software developed by the
00023  *        Apache Software Foundation (http://www.apache.org/)."
00024  *    Alternately, this acknowledgment may appear in the software itself,
00025  *    if and wherever such third-party acknowledgments normally appear.
00026  *
00027  * 4. The names "Xalan" and "Apache Software Foundation" must
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00031  *
00032  * 5. Products derived from this software may not be called "Apache",
00033  *    nor may "Apache" appear in their name, without prior written
00034  *    permission of the Apache Software Foundation.
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00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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00048  * ====================================================================
00049  *
00050  * This software consists of voluntary contributions made by many
00051  * individuals on behalf of the Apache Software Foundation and was
00052  * originally based on software copyright (c) 1999, International
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00057 #if !defined(STRINGTOKENIZER_HEADER_GUARD_1357924680)
00058 #define STRINGTOKENIZER_HEADER_GUARD_1357924680
00059 
00060 
00061 
00062 // Base include file.  Must be first.
00063 #include <PlatformSupport/PlatformSupportDefinitions.hpp>
00064 
00065 
00066 
00067 #include <XalanDOM/XalanDOMString.hpp>
00068 
00069 
00070 
00071 #include <PlatformSupport/DOMStringHelper.hpp>
00072 
00073 
00074 
00075 class XALAN_PLATFORMSUPPORT_EXPORT StringTokenizer
00076 {
00077 public:
00078 
00079     static const XalanDOMChar   s_defaultTokens[];
00080 
00090     StringTokenizer(const XalanDOMString&   theString,
00091                     const XalanDOMString&   theTokens = XalanDOMString(s_defaultTokens),
00092                     bool                    fReturnTokens = false);
00093 
00103     StringTokenizer(const XalanDOMString&   theString,
00104                     const XalanDOMChar*     theTokens,
00105                     bool                    fReturnTokens = false);
00106 
00116     StringTokenizer(const XalanDOMChar*     theString,
00117                     const XalanDOMChar*     theTokens = s_defaultTokens,
00118                     bool                    fReturnTokens = false);
00119 
00129     StringTokenizer(const XalanDOMChar*     theString,
00130                     const XalanDOMString&   theTokens,
00131                     bool                    fReturnTokens = false);
00132 
00133     virtual
00134     ~StringTokenizer();
00135 
00141     virtual bool
00142     hasMoreTokens() const;
00143 
00150     virtual XalanDOMString
00151     nextToken();
00152 
00159     virtual void
00160     nextToken(XalanDOMString&   theToken);
00161 
00167     virtual unsigned int
00168     countTokens() const;
00169 
00170 protected:
00171 
00172     unsigned int
00173     FindNextDelimiterIndex(unsigned int theStartIndex) const;
00174 
00175 private:
00176 
00177     const XalanDOMString    m_String;
00178 
00179     const XalanDOMString    m_Tokens;
00180 
00181     const bool              m_fReturnTokens;
00182 
00183     unsigned int            m_CurrentIndex;
00184 
00185     const unsigned int      m_StringLength;
00186 
00187     const unsigned int      m_tokensLength;
00188 };
00189 
00190 
00191 
00192 #endif  // STRINGTOKENIZER_HEADER_GUARD_1357924680

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