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StringTokenizer.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 1999-2002 The Apache Software Foundation.  All rights 
00006  * reserved.
00007  *
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
00028  *    not be used to endorse or promote products derived from this
00029  *    software without prior written permission. For written 
00030  *    permission, please contact apache@apache.org.
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.
00035  *
00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00037  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00038  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00039  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
00040  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00041  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
00043  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00044  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00045  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
00046  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00047  * SUCH DAMAGE.
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
00053  * Business Machines, Inc., http://www.ibm.com.  For more
00054  * information on the Apache Software Foundation, please see
00055  * <http://www.apache.org/>.
00056  */
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 <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>
00064 
00065 
00066 
00067 #include <xalanc/XalanDOM/XalanDOMString.hpp>
00068 
00069 
00070 
00071 #include <xalanc/PlatformSupport/DOMStringHelper.hpp>
00072 
00073 
00074 
00075 XALAN_CPP_NAMESPACE_BEGIN
00076 
00077 
00078 
00079 class XALAN_PLATFORMSUPPORT_EXPORT StringTokenizer
00080 {
00081 public:
00082 
00083     static const XalanDOMChar   s_defaultTokens[];
00084 
00085     typedef size_t  size_type;
00086 
00097     StringTokenizer(const XalanDOMString&   theString,
00098                     const XalanDOMString&   theTokens,
00099                     bool                    fReturnTokens = false);
00100 
00111     StringTokenizer(const XalanDOMString&   theString,
00112                     const XalanDOMChar*     theTokens = s_defaultTokens,
00113                     bool                    fReturnTokens = false);
00114 
00124     StringTokenizer(const XalanDOMChar*     theString,
00125                     const XalanDOMChar*     theTokens = s_defaultTokens,
00126                     bool                    fReturnTokens = false);
00127 
00137     StringTokenizer(const XalanDOMChar*     theString,
00138                     const XalanDOMString&   theTokens,
00139                     bool                    fReturnTokens = false);
00140 
00141     ~StringTokenizer();
00142 
00148     bool
00149     hasMoreTokens() const;
00150 
00157     XalanDOMString
00158     nextToken();
00159 
00166     void
00167     nextToken(XalanDOMString&   theToken);
00168 
00174     size_type
00175     countTokens() const;
00176 
00177     void
00178     reset()
00179     {
00180         m_currentIndex = 0;
00181     }
00182 
00183 protected:
00184 
00185     XalanDOMString::size_type
00186     FindNextDelimiterIndex(XalanDOMString::size_type    theStartIndex) const;
00187 
00188 private:
00189 
00190     const XalanDOMChar* const           m_string;
00191 
00192     const XalanDOMChar* const           m_tokens;
00193 
00194     const bool                          m_returnTokens;
00195 
00196     XalanDOMString::size_type           m_currentIndex;
00197 
00198     const XalanDOMString::size_type     m_stringLength;
00199 
00200     const XalanDOMString::size_type     m_tokensLength;
00201 };
00202 
00203 
00204 
00205 XALAN_CPP_NAMESPACE_END
00206 
00207 
00208 
00209 #endif  // STRINGTOKENIZER_HEADER_GUARD_1357924680

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