1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 #if !defined(XALAN_RESULTNAMESPACESSTACK_HEADER_GUARD) 19 #define XALAN_RESULTNAMESPACESSTACK_HEADER_GUARD 20 21 22 23 // Base include file. Must be first. 24 #include <xalanc/XSLT/XSLTDefinitions.hpp> 25 26 27 28 #include <xalanc/Include/XalanVector.hpp> 29 30 31 32 #include <xalanc/XalanDOM/XalanDOMString.hpp> 33 34 35 36 #include <xalanc/XPath/XalanQName.hpp> 37 38 39 40 namespace XALAN_CPP_NAMESPACE { 41 42 43 44 class XALAN_XSLT_EXPORT ResultNamespacesStack 45 { 46 public: 47 48 49 #if defined(XALAN_USE_DEQUE_FOR_VECTOR_BOOL) 50 typedef std::deque<bool> BoolVectorType; 51 #else 52 typedef XalanVector<bool> BoolVectorType; 53 #endif 54 55 typedef XalanQName::NamespaceVectorType NamespaceVectorType; 56 typedef XalanQName::NamespacesStackType NamespacesStackType; 57 58 typedef NamespacesStackType::size_type size_type; 59 60 61 explicit 62 ResultNamespacesStack(MemoryManager& theManager); 63 64 ~ResultNamespacesStack(); 65 66 void addDeclaration(const XalanDOMString & thePrefix,const XalanDOMString & theNamespaceURI)67 addDeclaration( 68 const XalanDOMString& thePrefix, 69 const XalanDOMString& theNamespaceURI) 70 { 71 addDeclaration( 72 thePrefix, 73 theNamespaceURI.c_str(), 74 theNamespaceURI.length()); 75 } 76 77 void addDeclaration(const XalanDOMString & thePrefix,const XalanDOMChar * theNamespaceURI)78 addDeclaration( 79 const XalanDOMString& thePrefix, 80 const XalanDOMChar* theNamespaceURI) 81 { 82 addDeclaration( 83 thePrefix, 84 theNamespaceURI, 85 length(theNamespaceURI)); 86 } 87 88 void 89 addDeclaration( 90 const XalanDOMString& thePrefix, 91 const XalanDOMChar* theNamespaceURI, 92 XalanDOMString::size_type theLength); 93 94 void 95 pushContext(); 96 97 void 98 popContext(); 99 100 const XalanDOMString* 101 getNamespaceForPrefix(const XalanDOMString& thePrefix) const; 102 103 const XalanDOMString* 104 getPrefixForNamespace(const XalanDOMString& theNamespaceURI) const; 105 106 /** 107 * See if the prefix has been mapped to a namespace in the current 108 * context, without looking down the stack of namespaces. 109 */ 110 bool 111 prefixIsPresentLocal(const XalanDOMString& thePrefix); 112 113 void 114 clear(); 115 116 size_type size() const117 size() const 118 { 119 return m_resultNamespaces.size() - 1; 120 } 121 122 bool empty() const123 empty() const 124 { 125 return NamespacesStackType::const_iterator(m_stackPosition) == m_resultNamespaces.begin() ? true : false; 126 } 127 128 private: 129 130 // not implemented 131 ResultNamespacesStack(const ResultNamespacesStack&); 132 133 bool 134 operator==(const ResultNamespacesStack&) const; 135 136 ResultNamespacesStack& 137 operator=(const ResultNamespacesStack&); 138 139 enum { eDefaultCreateNewContextStackSize = 25 }; 140 141 /** 142 * A stack to keep track of the result tree namespaces. 143 */ 144 NamespacesStackType m_resultNamespaces; 145 146 NamespacesStackType::iterator m_stackBegin; 147 148 NamespacesStackType::iterator m_stackPosition; 149 150 BoolVectorType m_createNewContextStack; 151 }; 152 153 154 155 } 156 157 158 159 #endif // XALAN_RESULTNAMESPACESSTACK_HEADER_GUARD 160