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XalanBitmap.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 1999-2004 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
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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(XALANBITMAP_HEADER_GUARD_1357924680)
00058 #define XALANBITMAP_HEADER_GUARD_1357924680
00059 
00060 
00061 
00062 // Base include file.  Must be first.
00063 #include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>
00064 
00065 
00066 
00067 #include <vector>
00068 
00069 
00070 
00071 XALAN_CPP_NAMESPACE_BEGIN
00072 
00073 
00074 
00075 class XALAN_PLATFORMSUPPORT_EXPORT XalanBitmap
00076 {
00077 public:
00078 
00079     // The basic storage unit for the bitmaps.
00080     typedef char        UnitType;
00081 
00082     // A handy typedef...
00083     typedef size_t      size_type;
00084 
00085     // Really all we're assuming is that a char is at least
00086     // 8 bits.  If it's more, then we'll just waste some
00087     // space.  This may need to be adjusted for various
00088     // platforms, or perhaps change to using an integral of
00089     // a known size, so that we don't waste any space.
00090     enum { eBitsPerUnit = 8 };
00091 
00092 
00099     XalanBitmap(size_type   theSize);
00100 
00101     ~XalanBitmap();
00102 
00103 
00110     bool
00111     isSet(size_type     theBit) const;
00112 
00118     void
00119     set(size_type   theBit);
00120 
00126     void
00127     clear(size_type     theBit);
00128 
00134     void
00135     toggle(size_type    theBit);
00136 
00140     void
00141     clearAll();
00142 
00148     size_type
00149     getSize() const
00150     {
00151         return m_size;
00152     }
00153 
00154 private:
00155 
00156 #if defined(XALAN_NO_STD_NAMESPACE)
00157     typedef vector<UnitType>        BitmapVectorType;
00158 #else
00159     typedef std::vector<UnitType>   BitmapVectorType;
00160 #endif
00161 
00162     const size_type     m_size;
00163 
00164     BitmapVectorType    m_bitmap;
00165 };
00166 
00167 
00168 
00169 XALAN_CPP_NAMESPACE_END
00170 
00171 
00172 
00173 #endif  // XALANBITMAP_HEADER_GUARD_1357924680

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