RegxUtil.cpp
上传用户:zhuqijet
上传日期:2013-06-25
资源大小:10074k
文件大小:6k
- /*
- * 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/>.
- */
- /*
- * $Log: RegxUtil.cpp,v $
- * Revision 1.4 2003/05/16 00:03:10 knoaman
- * Partial implementation of the configurable memory manager.
- *
- * Revision 1.3 2003/05/15 18:42:55 knoaman
- * Partial implementation of the configurable memory manager.
- *
- * Revision 1.2 2002/11/04 15:17:00 tng
- * C++ Namespace Support.
- *
- * Revision 1.1.1.1 2002/02/01 22:22:31 peiyongz
- * sane_include
- *
- * Revision 1.3 2001/06/07 20:55:38 tng
- * Fix no newline at the end warning. By Pei Yong Zhang.
- *
- * Revision 1.2 2001/05/11 13:26:49 tng
- * Copyright update.
- *
- * Revision 1.1 2001/03/02 19:22:56 knoaman
- * Schema: Regular expression handling part I
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <xercesc/util/regx/RegxUtil.hpp>
- #include <xercesc/util/XMLString.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- XMLCh* RegxUtil::decomposeToSurrogates(XMLInt32 ch,
- MemoryManager* const manager) {
- XMLCh* pszStr = (XMLCh*) manager->allocate(3 * sizeof(XMLCh));//new XMLCh[3];
- ch -= 0x10000;
- pszStr[0] = XMLCh((ch >> 10) + 0xD800);
- pszStr[1] = XMLCh((ch & 0x03FF) + 0xDC00);
- pszStr[2] = chNull;
- return pszStr;
- }
- XMLCh* RegxUtil::stripExtendedComment(const XMLCh* const expression,
- MemoryManager* const manager) {
- XMLCh* buffer = (manager) ? XMLString::replicate(expression)
- : XMLString::replicate(expression, manager);
- if (buffer)
- {
- const XMLCh* inPtr = expression;
- XMLCh* outPtr = buffer;
- while (*inPtr) {
- XMLCh ch = *inPtr++;
- if (ch == chFF || ch == chCR || ch == chLF
- || ch == chSpace || ch == chHTab) {
- continue;
- }
- // Skips chracters between '#' and a line end.
- if (ch == chPound) {
- while (*inPtr) {
- ch = *inPtr++;
- if (ch == chLF || ch == chCR)
- break;
- }
- continue;
- }
- if (ch == chBackSlash && *inPtr) {
- if ((ch = *inPtr++) == chPound || ch == chHTab || ch == chLF
- || ch == chFF || ch == chCR || ch == chSpace) {
- *outPtr++ = ch;
- }
- else { // Other escaped character.
- *outPtr++ = chBackSlash;
- *outPtr++ = ch;
- }
- }
- else { // As is.
- *outPtr++ = ch;
- }
- }
- *outPtr = chNull; // null terminate
- }
- return buffer;
- }
- XERCES_CPP_NAMESPACE_END
- /**
- * End of file RegxUtil.cpp
- */