[188] | 1 | /*
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| 2 | * The Apache Software License, Version 1.1
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| 3 | *
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| 4 | * Copyright (c) 2001 The Apache Software Foundation. All rights
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| 5 | * reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions
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| 9 | * are met:
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| 10 | *
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| 11 | * 1. Redistributions of source code must retain the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer.
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| 13 | *
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer in
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| 16 | * the documentation and/or other materials provided with the
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| 17 | * distribution.
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| 18 | *
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| 19 | * 3. The end-user documentation included with the redistribution,
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| 20 | * if any, must include the following acknowledgment:
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| 21 | * "This product includes software developed by the
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| 22 | * Apache Software Foundation (http://www.apache.org/)."
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| 23 | * Alternately, this acknowledgment may appear in the software itself,
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| 24 | * if and wherever such third-party acknowledgments normally appear.
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| 25 | *
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| 26 | * 4. The names "Xerces" and "Apache Software Foundation" must
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| 27 | * not be used to endorse or promote products derived from this
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| 28 | * software without prior written permission. For written
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| 29 | * permission, please contact apache\@apache.org.
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| 30 | *
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| 31 | * 5. Products derived from this software may not be called "Apache",
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| 32 | * nor may "Apache" appear in their name, without prior written
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| 33 | * permission of the Apache Software Foundation.
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| 34 | *
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| 35 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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| 36 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 37 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 38 | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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| 39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 41 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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| 42 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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| 43 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 44 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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| 45 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 46 | * SUCH DAMAGE.
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| 47 | * ====================================================================
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| 48 | *
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| 49 | * This software consists of voluntary contributions made by many
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| 50 | * individuals on behalf of the Apache Software Foundation, and was
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| 51 | * originally based on software copyright (c) 2001, International
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| 52 | * Business Machines, Inc., http://www.ibm.com . For more information
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| 53 | * on the Apache Software Foundation, please see
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| 54 | * <http://www.apache.org/>.
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| 55 | */
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| 56 |
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| 57 | /*
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| 58 | * $Id: RegxUtil.hpp,v 1.4 2003/05/16 00:03:10 knoaman Exp $
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| 59 | */
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| 60 |
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| 61 | #if !defined(REGXUTIL_HPP)
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| 62 | #define REGXUTIL_HPP
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| 63 |
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| 64 | // ---------------------------------------------------------------------------
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| 65 | // Includes
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| 66 | // ---------------------------------------------------------------------------
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| 67 | #include <xercesc/util/XMLUniDefs.hpp>
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| 68 |
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| 69 |
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| 70 | XERCES_CPP_NAMESPACE_BEGIN
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| 71 |
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| 72 | class MemoryManager;
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| 73 |
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| 74 | class XMLUTIL_EXPORT RegxUtil {
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| 75 | public:
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| 76 |
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| 77 | // -----------------------------------------------------------------------
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| 78 | // Constructors and destructors
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| 79 | // -----------------------------------------------------------------------
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| 80 | ~RegxUtil() {}
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| 81 |
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| 82 | static XMLInt32 composeFromSurrogate(const XMLCh high, const XMLCh low);
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| 83 | static bool isEOLChar(const XMLCh);
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| 84 | static bool isWordChar(const XMLCh);
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| 85 | static bool isLowSurrogate(const XMLCh ch);
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| 86 | static bool isHighSurrogate(const XMLCh ch);
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| 87 | static XMLCh* decomposeToSurrogates(XMLInt32 ch,
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| 88 | MemoryManager* const manager);
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| 89 | static XMLCh* stripExtendedComment(const XMLCh* const expression,
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| 90 | MemoryManager* const manager = 0);
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| 91 |
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| 92 | private:
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| 93 | // -----------------------------------------------------------------------
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| 94 | // Unimplemented constructors and operators
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| 95 | // -----------------------------------------------------------------------
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| 96 | RegxUtil();
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| 97 | };
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| 98 |
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| 99 |
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| 100 | inline bool RegxUtil::isEOLChar(const XMLCh ch) {
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| 101 |
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| 102 | return (ch == chLF || ch == chCR || ch == chLineSeparator
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| 103 | || ch == chParagraphSeparator);
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| 104 | }
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| 105 |
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| 106 | inline XMLInt32 RegxUtil::composeFromSurrogate(const XMLCh high, const XMLCh low) {
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| 107 |
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| 108 | return 0x10000 + ((high - 0xD800) << 10) + (low - 0xDC00);
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| 109 | }
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| 110 |
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| 111 | inline bool RegxUtil::isLowSurrogate(const XMLCh ch) {
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| 112 |
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| 113 | return (ch & 0xFC00) == 0xDC00;
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| 114 | }
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| 115 |
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| 116 | inline bool RegxUtil::isHighSurrogate(const XMLCh ch) {
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| 117 |
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| 118 | return (ch & 0xFC00) == 0xD800;
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| 119 | }
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| 120 |
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| 121 | inline bool RegxUtil::isWordChar(const XMLCh ch) {
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| 122 |
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| 123 | if ((ch == chUnderscore)
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| 124 | || (ch >= chDigit_0 && ch <= chDigit_9)
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| 125 | || (ch >= chLatin_A && ch <= chLatin_Z)
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| 126 | || (ch >= chLatin_a && ch <= chLatin_z))
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| 127 | return true;
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| 128 |
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| 129 | return false;
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| 130 | }
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| 131 |
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| 132 | XERCES_CPP_NAMESPACE_END
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| 133 |
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| 134 | #endif
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| 135 |
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| 136 | /**
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| 137 | * End of file RegxUtil.hpp
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| 138 | */
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