158 lines
4.9 KiB
C++
158 lines
4.9 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* $Id: BMPattern.hpp 678879 2008-07-22 20:05:05Z amassari $
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*/
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#if !defined(XERCESC_INCLUDE_GUARD_BMPATTERN_HPP)
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#define XERCESC_INCLUDE_GUARD_BMPATTERN_HPP
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// ---------------------------------------------------------------------------
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// Includes
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// ---------------------------------------------------------------------------
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#include <xercesc/util/XMemory.hpp>
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#include <xercesc/util/PlatformUtils.hpp>
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XERCES_CPP_NAMESPACE_BEGIN
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class XMLUTIL_EXPORT BMPattern : public XMemory
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{
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public:
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// -----------------------------------------------------------------------
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// Public Constructors and Destructor
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// -----------------------------------------------------------------------
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/** @name Constructors */
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//@{
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/**
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* This is the onstructor which takes the pattern information. A default
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* shift table size is used.
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*
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* @param pattern The pattern to match against.
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*
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* @param ignoreCase A flag to indicate whether to ignore case
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* matching or not.
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*
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* @param manager The configurable memory manager
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*/
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BMPattern
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(
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const XMLCh* const pattern
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, bool ignoreCase
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, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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);
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/**
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* This is the constructor which takes all of the information
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* required to construct a BM pattern object.
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*
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* @param pattern The pattern to match against.
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*
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* @param tableSize Indicates the size of the shift table.
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*
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* @param ignoreCase A flag to indicate whether to ignore case
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* matching or not.
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*
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* @param manager The configurable memory manager
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*/
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BMPattern
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(
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const XMLCh* const pattern
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, int tableSize
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, bool ignoreCase
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, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
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);
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//@}
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/** @name Destructor. */
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//@{
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/**
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* Destructor of BMPattern
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*/
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~BMPattern();
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//@}
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// -----------------------------------------------------------------------
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// Matching functions
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// -----------------------------------------------------------------------
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/** @name Matching Functions */
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//@{
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/**
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* This method will perform a match of the given content against a
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* predefined pattern.
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*/
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int matches(const XMLCh* const content, XMLSize_t start, XMLSize_t limit) const;
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//@}
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private :
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// -----------------------------------------------------------------------
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// Unimplemented constructors and operators
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// -----------------------------------------------------------------------
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BMPattern();
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BMPattern(const BMPattern&);
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BMPattern& operator=(const BMPattern&);
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// -----------------------------------------------------------------------
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// This method will perform a case insensitive match
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// -----------------------------------------------------------------------
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bool matchesIgnoreCase(const XMLCh ch1, const XMLCh ch2);
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// -----------------------------------------------------------------------
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// Initialize/Clean up methods
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// -----------------------------------------------------------------------
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void initialize();
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void cleanUp();
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// -----------------------------------------------------------------------
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// Private data members
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//
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// fPattern
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// fUppercasePattern
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// This is the pattern to match against, and its upper case form.
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//
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// fIgnoreCase
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// This is an indicator whether cases should be ignored during
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// matching.
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//
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// fShiftTable
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// fShiftTableLen
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// This is a table of offsets for shifting purposes used by the BM
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// search algorithm, and its length.
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// -----------------------------------------------------------------------
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bool fIgnoreCase;
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unsigned int fShiftTableLen;
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XMLSize_t* fShiftTable;
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XMLCh* fPattern;
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XMLCh* fUppercasePattern;
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MemoryManager* fMemoryManager;
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};
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XERCES_CPP_NAMESPACE_END
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#endif
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/*
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* End of file BMPattern.hpp
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*/
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