Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
#ifndef DOMNodeIDMap_HEADER_GUARD_
#define DOMNodeIDMap_HEADER_GUARD_
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache\@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation, and was
* originally based on software copyright (c) 2001, International
* Business Machines, Inc., http://www.ibm.com . For more information
* on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
* $Id$
*/
//
// This file is part of the internal implementation of the C++ XML DOM.
// It should NOT be included or used directly by application programs.
//
// Applications should include the file <xercesc/dom/DOM.hpp> for the entire
// DOM API, or xercesc/dom/DOM*.hpp for individual DOM classes, where the class
// name is substituded for the *.
//
//
// Class DOMNodeIDMap is a hash table that is used in the implementation of
// of DOM_Document::getElementsByID().
//
// Why Yet Another HashTable implementation? Becuase it can be significantly
// smaller when tuned for this exact usage, and the generic RefHashTableOf
// from the xerces utils project is not a paricularly good fit.
//
class DOMAttr;
class DOMDocument;
class DOMNodeIDMap {
public:
DOMNodeIDMap(int initialSize, DOMDocument *doc); // Create a new hash table, sized to hold "initialSize"
// Entries. It will automatically grow if need be.
virtual ~DOMNodeIDMap();
private:
DOMNodeIDMap(const DOMNodeIDMap &other); // No copy, assignement, comparison.
DOMNodeIDMap &operator = (const DOMNodeIDMap &other);
bool operator == (const DOMNodeIDMap &other);
public:
void add(DOMAttr *attr); // Add the specified attribute to the table.
void remove(DOMAttr *other); // Remove the specified attribute.
// Does nothing if the node is not in the table.
DOMAttr *find(const XMLCh *ID); // Find the attribute node in the table with this ID
private:
void growTable();
private:
DOMAttr **fTable;
XMLSize_t fSizeIndex; // Index of the current table size in the
// array of possible table sizes.
XMLSize_t fSize; // The current size of the table array
// (number of slots, not bytes.)
XMLSize_t fNumEntries; // The number of entries used.
XMLSize_t fMaxEntries; // The max number of entries to use before