Xalan-C++ API Reference 1.12.0
XalanElemEmptyAllocator.hpp
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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
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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(XALANELEMEMPTYALLOCATOR_INCLUDE_GUARD_12455133)
20#define XALANELEMEMPTYALLOCATOR_INCLUDE_GUARD_12455133
21
22
23
24// Base include file. Must be first.
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36
37namespace XALAN_CPP_NAMESPACE {
38
39
40
42{
43public:
44
46
48
50
51 /**
52 * Construct an instance that will allocate blocks of the specified size.
53 *
54 * @param theBlockSize The block size.
55 */
57 MemoryManager& theManager,
59
61
62 /**
63 * Construct an instance
64 *
65 * @param constructionContext The current construction context
66 * @param stylesheetTree The stylesheet containing element
67 * @param lineNumber The line number in the document
68 * @param columnNumber The column number in the document
69 * @param elementName The name of element. Can be 0.
70 *
71 * @return A pointer to the new instance.
72 */
79 const XalanDOMString* elementName = 0);
80
81 /**
82 * Construct an instance
83 *
84 * @param constructionContext The current construction context
85 * @param stylesheetTree The stylesheet containing element
86 * @param elementName The name of element. Can be 0.
87 */
92 const XalanDOMString* elementName = 0);
93
94 /**
95 * Destroy an instance previously created.
96 *
97 * @param theObject A pointer to the instance to destroy.
98 *
99 * @return true if the instance was destroyed, false if not.
100 */
101 bool
103 {
104 return m_allocator.destroyObject(theObject);
105 }
106
107 /**
108 * Determine if an object is owned by the allocator...
109 */
110 bool
112 {
113 return m_allocator.ownsObject(theObject);
114 }
115
116 /**
117 * Delete all objects from the allocator.
118 */
119 void
121 {
122 m_allocator.reset();
123 }
124
125 /**
126 * Get the number of ArenaBlocks currently allocated.
127 *
128 * @return The number of blocks.
129 */
132 {
133 return m_allocator.getBlockCount();
134 }
135
136 /**
137 * Get size of an ArenaBlock, that is, the number
138 * of objects in each block.
139 *
140 * @return The size of the block
141 */
144 {
145 return m_allocator.getBlockSize();
146 }
147
148private:
149
150 // Not implemented...
152
154 operator=(const XalanElemEmptyAllocator&);
155
156 // Data members...
157 ArenaAllocatorType m_allocator;
158};
159
160
161
162}
163
164
165
166#endif // XALANELEMEMPTYALLOCATOR_INCLUDE_GUARD_12455133
#define XALAN_XSLT_EXPORT
#define XALAN_CPP_NAMESPACE
Xalan-C++ namespace, including major and minor version.
This class represents the base stylesheet or an "import" stylesheet.
data_type * create(StylesheetConstructionContext &constructionContext, Stylesheet &stylesheetTree, const XalanDOMString *elementName=0)
Construct an instance.
bool destroy(data_type *theObject)
Destroy an instance previously created.
bool ownsObject(const data_type *theObject)
Determine if an object is owned by the allocator...
ReusableArenaAllocator< data_type > ArenaAllocatorType
size_type getBlockCount() const
Get the number of ArenaBlocks currently allocated.
XalanElemEmptyAllocator(MemoryManager &theManager, size_type theBlockCount)
Construct an instance that will allocate blocks of the specified size.
void reset()
Delete all objects from the allocator.
ArenaAllocatorType::size_type size_type
size_type getBlockSize() const
Get size of an ArenaBlock, that is, the number of objects in each block.
data_type * create(StylesheetConstructionContext &constructionContext, Stylesheet &stylesheetTree, XalanFileLoc lineNumber, XalanFileLoc columnNumber, const XalanDOMString *elementName=0)
Construct an instance.
void reset(MemoryManager *theManager=0, Type *thePointer=0)
size_t size_type
Definition XalanMap.hpp:46