author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 07 Jan 2010 12:52:45 +0200 | |
changeset 1 | c42dffbd5b4f |
parent 0 | ba25891c3a9e |
child 2 | 661f3784fe57 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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/* |
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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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/* |
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* $Id: CMLeaf.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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*/ |
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|
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#if !defined(CMLEAF_HPP) |
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#define CMLEAF_HPP |
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|
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#include <xercesc/validators/common/CMNode.hpp> |
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XERCES_CPP_NAMESPACE_BEGIN |
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// |
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// This class represents a leaf in the content spec node tree of an |
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// element's content model. It just has an element qname and a position value, |
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// the latter of which is used during the building of a DFA. |
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// |
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class CMLeaf : public CMNode |
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{ |
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public : |
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// ----------------------------------------------------------------------- |
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// Constructors |
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// ----------------------------------------------------------------------- |
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CMLeaf |
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( |
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QName* const element |
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, const unsigned int position = (~0) |
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, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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); |
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CMLeaf |
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( |
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QName* const element |
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, const unsigned int position |
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, const bool adopt |
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, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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); |
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~CMLeaf(); |
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// ----------------------------------------------------------------------- |
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// Getter methods |
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// ----------------------------------------------------------------------- |
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QName* getElement(); |
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const QName* getElement() const; |
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unsigned int getPosition() const; |
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// ----------------------------------------------------------------------- |
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// Setter methods |
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// ----------------------------------------------------------------------- |
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void setPosition(const unsigned int newPosition); |
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// ----------------------------------------------------------------------- |
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// Implementation of public CMNode virtual interface |
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// ----------------------------------------------------------------------- |
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bool isNullable() const; |
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protected : |
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// ----------------------------------------------------------------------- |
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// Implementation of protected CMNode virtual interface |
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// ----------------------------------------------------------------------- |
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void calcFirstPos(CMStateSet& toSet) const; |
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void calcLastPos(CMStateSet& toSet) const; |
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private : |
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// ----------------------------------------------------------------------- |
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// Private data members |
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// |
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// fElement |
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// This is the element that this leaf represents. |
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107 |
// |
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108 |
// fPosition |
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// Part of the algorithm to convert a regex directly to a DFA |
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// numbers each leaf sequentially. If its -1, that means its an |
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// epsilon node. All others are non-epsilon positions. |
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112 |
// |
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// fAdopt |
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// This node is responsible for the storage of the fElement QName. |
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// ----------------------------------------------------------------------- |
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QName* fElement; |
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unsigned int fPosition; |
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bool fAdopt; |
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119 |
|
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120 |
// ----------------------------------------------------------------------- |
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// Unimplemented constructors and operators |
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// ----------------------------------------------------------------------- |
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CMLeaf(const CMLeaf&); |
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CMLeaf& operator=(const CMLeaf&); |
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125 |
}; |
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126 |
|
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127 |
|
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128 |
// ----------------------------------------------------------------------- |
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// Constructors |
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// ----------------------------------------------------------------------- |
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inline CMLeaf::CMLeaf( QName* const element |
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, const unsigned int position |
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, MemoryManager* const manager) : |
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CMNode(ContentSpecNode::Leaf, manager) |
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, fElement(0) |
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, fPosition(position) |
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, fAdopt(false) |
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138 |
{ |
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if (!element) |
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140 |
{ |
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fElement = new (fMemoryManager) QName |
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142 |
( |
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XMLUni::fgZeroLenString |
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, XMLUni::fgZeroLenString |
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, XMLElementDecl::fgInvalidElemId |
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, fMemoryManager |
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147 |
); |
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// We have to be responsible for this QName - override default fAdopt |
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fAdopt = true; |
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150 |
} |
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151 |
else |
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152 |
{ |
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fElement = element; |
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154 |
} |
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155 |
} |
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156 |
|
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inline CMLeaf::CMLeaf( QName* const element |
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, const unsigned int position |
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, const bool adopt |
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, MemoryManager* const manager) : |
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CMNode(ContentSpecNode::Leaf, manager) |
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, fElement(0) |
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, fPosition(position) |
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, fAdopt(adopt) |
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165 |
{ |
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if (!element) |
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167 |
{ |
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fElement = new (fMemoryManager) QName |
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169 |
( |
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XMLUni::fgZeroLenString |
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171 |
, XMLUni::fgZeroLenString |
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, XMLElementDecl::fgInvalidElemId |
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, fMemoryManager |
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174 |
); |
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// We have to be responsible for this QName - override adopt parameter |
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fAdopt = true; |
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177 |
} |
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178 |
else |
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179 |
{ |
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fElement = element; |
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181 |
} |
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182 |
} |
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183 |
|
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inline CMLeaf::~CMLeaf() |
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185 |
{ |
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if (fAdopt) |
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delete fElement; |
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} |
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189 |
|
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190 |
|
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191 |
// --------------------------------------------------------------------------- |
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// Getter methods |
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193 |
// --------------------------------------------------------------------------- |
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inline QName* CMLeaf::getElement() |
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195 |
{ |
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return fElement; |
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197 |
} |
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|
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inline const QName* CMLeaf::getElement() const |
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200 |
{ |
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return fElement; |
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} |
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203 |
|
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inline unsigned int CMLeaf::getPosition() const |
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205 |
{ |
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return fPosition; |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// Setter methods |
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// --------------------------------------------------------------------------- |
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inline void CMLeaf::setPosition(const unsigned int newPosition) |
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{ |
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fPosition = newPosition; |
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} |
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// --------------------------------------------------------------------------- |
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// Implementation of public CMNode virtual interface |
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// --------------------------------------------------------------------------- |
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inline bool CMLeaf::isNullable() const |
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{ |
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// Leaf nodes are never nullable unless its an epsilon node |
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return (fPosition == -1); |
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} |
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// --------------------------------------------------------------------------- |
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// Implementation of protected CMNode virtual interface |
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// --------------------------------------------------------------------------- |
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inline void CMLeaf::calcFirstPos(CMStateSet& toSet) const |
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{ |
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// If we are an epsilon node, then the first pos is an empty set |
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if (fPosition == -1) |
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{ |
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toSet.zeroBits(); |
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return; |
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} |
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// Otherwise, its just the one bit of our position |
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toSet.setBit(fPosition); |
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} |
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inline void CMLeaf::calcLastPos(CMStateSet& toSet) const |
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{ |
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// If we are an epsilon node, then the last pos is an empty set |
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if (fPosition == -1) |
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{ |
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toSet.zeroBits(); |
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return; |
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} |
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// Otherwise, its just the one bit of our position |
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toSet.setBit(fPosition); |
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} |
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XERCES_CPP_NAMESPACE_END |
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#endif |