1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* vim:set ts=2 sw=2 sts=2 et cindent: */
3 : /* ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is Mozilla.
17 : *
18 : * The Initial Developer of the Original Code is IBM Corporation.
19 : * Portions created by IBM Corporation are Copyright (C) 2003
20 : * IBM Corporation. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Scott Collins <scc@mozilla.org> (original author)
24 : * Darin Fisher <darin@meer.net>
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either the GNU General Public License Version 2 or later (the "GPL"), or
28 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
30 : * of those above. If you wish to allow use of your version of this file only
31 : * under the terms of either the GPL or the LGPL, and not to allow others to
32 : * use your version of this file under the terms of the MPL, indicate your
33 : * decision by deleting the provisions above and replace them with the notice
34 : * and other provisions required by the GPL or the LGPL. If you do not delete
35 : * the provisions above, a recipient may use your version of this file under
36 : * the terms of any one of the MPL, the GPL or the LGPL.
37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 :
41 : /**
42 : * nsTDependentString_CharT
43 : *
44 : * Stores a null-terminated, immutable sequence of characters.
45 : *
46 : * Subclass of nsTString that restricts string value to an immutable
47 : * character sequence. This class does not own its data, so the creator
48 : * of objects of this type must take care to ensure that a
49 : * nsTDependentString continues to reference valid memory for the
50 : * duration of its use.
51 : */
52 : class nsTDependentString_CharT : public nsTString_CharT
53 26459864 : {
54 : public:
55 :
56 : typedef nsTDependentString_CharT self_type;
57 :
58 : public:
59 :
60 : /**
61 : * verify restrictions
62 : */
63 26484532 : void AssertValid()
64 : {
65 26484532 : NS_ASSERTION(mData, "nsTDependentString must wrap a non-NULL buffer");
66 26484533 : NS_ASSERTION(mLength != size_type(-1), "nsTDependentString has bogus length");
67 26484533 : NS_ASSERTION(mData[mLength] == 0, "nsTDependentString must wrap only null-terminated strings");
68 26484533 : }
69 :
70 :
71 : /**
72 : * constructors
73 : */
74 :
75 13578317 : nsTDependentString_CharT( const char_type* start, const char_type* end )
76 13578317 : : string_type(const_cast<char_type*>(start), PRUint32(end - start), F_TERMINATED)
77 : {
78 13578317 : AssertValid();
79 13578317 : }
80 :
81 4031902 : nsTDependentString_CharT( const char_type* data, PRUint32 length )
82 4031902 : : string_type(const_cast<char_type*>(data), length, F_TERMINATED)
83 : {
84 4031901 : AssertValid();
85 4031898 : }
86 :
87 : explicit
88 8859085 : nsTDependentString_CharT( const char_type* data )
89 8859085 : : string_type(const_cast<char_type*>(data), PRUint32(char_traits::length(data)), F_TERMINATED)
90 : {
91 8859085 : AssertValid();
92 8859085 : }
93 :
94 0 : nsTDependentString_CharT( const string_type& str, PRUint32 startPos )
95 0 : : string_type()
96 : {
97 0 : Rebind(str, startPos);
98 0 : }
99 :
100 : // Create a nsTDependentSubstring to be bound later
101 40538 : nsTDependentString_CharT()
102 40538 : : string_type() {}
103 :
104 : // XXX are you sure??
105 : // auto-generated copy-constructor OK
106 : // auto-generated copy-assignment operator OK
107 : // auto-generated destructor OK
108 :
109 :
110 : /**
111 : * allow this class to be bound to a different string...
112 : */
113 :
114 0 : void Rebind( const char_type* data )
115 : {
116 0 : Rebind(data, PRUint32(char_traits::length(data)));
117 0 : }
118 :
119 : void Rebind( const char_type* data, size_type length );
120 :
121 15233 : void Rebind( const char_type* start, const char_type* end )
122 : {
123 15233 : Rebind(start, PRUint32(end - start));
124 15233 : }
125 :
126 : void Rebind( const string_type&, PRUint32 startPos );
127 :
128 : private:
129 :
130 : // NOT USED
131 : nsTDependentString_CharT( const substring_tuple_type& );
132 : };
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