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 
19 #if !defined(XALANSOURCETREEATTRIBUTENSALLOCATOR_INCLUDE_GUARD_12455133)
20 #define XALANSOURCETREEATTRIBUTENSALLOCATOR_INCLUDE_GUARD_12455133
21 
22 
23 
24 #include <xalanc/XalanSourceTree/XalanSourceTreeDefinitions.hpp>
25 
26 
27 
28 #include <xalanc/PlatformSupport/ArenaAllocator.hpp>
29 
30 
31 
32 #include <xalanc/XalanSourceTree/XalanSourceTreeAttrNS.hpp>
33 
34 
35 
36 namespace XALAN_CPP_NAMESPACE {
37 
38 
39 
40 class XALAN_XALANSOURCETREE_EXPORT XalanSourceTreeAttributeNSAllocator
41 {
42 public:
43 
44     typedef XalanSourceTreeAttrNS                   ObjectType;
45 
46     typedef ObjectType::IndexType                   IndexType;
47 
48 #if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS)
49     typedef ArenaBlock<ObjectType>                  ArenaBlockType;
50 
51     typedef ArenaAllocator<ObjectType,
52                            ArenaBlockType>          ArenaAllocatorType;
53 #else
54     typedef ArenaAllocator<ObjectType>              ArenaAllocatorType;
55 #endif
56 
57     typedef ArenaAllocatorType::size_type           size_type;
58 
59     /**
60      * Construct an instance that will allocate blocks of the specified size.
61      *
62      * @param theBlockSize The block size.
63      */
64     XalanSourceTreeAttributeNSAllocator(MemoryManager&  theManager, size_type   theBlockCount);
65 
66     ~XalanSourceTreeAttributeNSAllocator();
67 
68     /**
69      * Create an instance.
70      *
71      * @param theName The name of the attribute
72      * @param theLocalName The local name of the attribute
73      * @param theNamespaceURI The namespace URI of the attribute
74      * @param thePrefix The namespace prefix of the attribute
75      * @param theValue The value of the attribute
76      * @param theOwnerElement The element that owns the instance
77      * @param theIndex The document-order index of the node.
78      *
79      * @return pointer to the instance
80      */
81     ObjectType*
82     create(
83             const XalanDOMString&       theName,
84             const XalanDOMString&       theLocalName,
85             const XalanDOMString&       theNamespaceURI,
86             const XalanDOMString&       thePrefix,
87             const XalanDOMString&       theValue,
88             XalanSourceTreeElement*     theOwnerElement = 0,
89             IndexType                   theIndex = 0);
90 
91     /**
92      * Delete all objects from allocator.
93      */
94     void
95     reset();
96 
97     /**
98      * Get size of an ArenaBlock, that is, the number
99      * of objects in each block.
100      *
101      * @return The size of the block
102      */
103     size_type
getBlockCount() const104     getBlockCount() const
105     {
106         return m_allocator.getBlockCount();
107     }
108 
109     /**
110      * Get the number of ArenaBlocks currently allocated.
111      *
112      * @return The number of blocks.
113      */
114     size_type
getBlockSize() const115     getBlockSize() const
116     {
117         return m_allocator.getBlockSize();
118     }
119 
120 private:
121 
122     // Not implemented...
123     XalanSourceTreeAttributeNSAllocator(const XalanSourceTreeAttributeNSAllocator&);
124 
125     XalanSourceTreeAttributeNSAllocator&
126     operator=(const XalanSourceTreeAttributeNSAllocator&);
127 
128     // Data members...
129     ArenaAllocatorType  m_allocator;
130 };
131 
132 
133 
134 }
135 
136 
137 
138 #endif  // XALANSOURCETREEATTRIBUTENSALLOCATOR_INCLUDE_GUARD_12455133
139