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 : * nsTDependentSubstring_CharT
43 : *
44 : * A string class which wraps an external array of string characters. It
45 : * is the client code's responsibility to ensure that the external buffer
46 : * remains valid for a long as the string is alive.
47 : *
48 : * NAMES:
49 : * nsDependentSubstring for wide characters
50 : * nsDependentCSubstring for narrow characters
51 : */
52 : class nsTDependentSubstring_CharT : public nsTSubstring_CharT
53 4372173 : {
54 : public:
55 :
56 : typedef nsTDependentSubstring_CharT self_type;
57 :
58 : public:
59 :
60 : void Rebind( const substring_type&, PRUint32 startPos, PRUint32 length = size_type(-1) );
61 :
62 : void Rebind( const char_type* data, size_type length );
63 :
64 94278 : void Rebind( const char_type* start, const char_type* end )
65 : {
66 94278 : Rebind(start, size_type(end - start));
67 94278 : }
68 :
69 2147625 : nsTDependentSubstring_CharT( const substring_type& str, PRUint32 startPos, PRUint32 length = size_type(-1) )
70 2147625 : : substring_type()
71 : {
72 2147625 : Rebind(str, startPos, length);
73 2147625 : }
74 :
75 183746 : nsTDependentSubstring_CharT( const char_type* data, size_type length )
76 183746 : : substring_type(const_cast<char_type*>(data), length, F_NONE) {}
77 :
78 1728077 : nsTDependentSubstring_CharT( const char_type* start, const char_type* end )
79 1728077 : : substring_type(const_cast<char_type*>(start), PRUint32(end - start), F_NONE) {}
80 :
81 56 : nsTDependentSubstring_CharT( const const_iterator& start, const const_iterator& end )
82 56 : : substring_type(const_cast<char_type*>(start.get()), PRUint32(end.get() - start.get()), F_NONE) {}
83 :
84 : // Create a nsTDependentSubstring to be bound later
85 209015 : nsTDependentSubstring_CharT()
86 209015 : : substring_type() {}
87 :
88 : // auto-generated copy-constructor OK (XXX really?? what about base class copy-ctor?)
89 :
90 : private:
91 : // NOT USED
92 : void operator=( const self_type& ); // we're immutable, you can't assign into a substring
93 : };
94 :
95 : inline
96 : const nsTDependentSubstring_CharT
97 2129715 : Substring( const nsTSubstring_CharT& str, PRUint32 startPos, PRUint32 length = PRUint32(-1) )
98 : {
99 2129715 : return nsTDependentSubstring_CharT(str, startPos, length);
100 : }
101 :
102 : inline
103 : const nsTDependentSubstring_CharT
104 200211 : Substring( const nsReadingIterator<CharT>& start, const nsReadingIterator<CharT>& end )
105 : {
106 200211 : return nsTDependentSubstring_CharT(start.get(), end.get());
107 : }
108 :
109 : inline
110 : const nsTDependentSubstring_CharT
111 183746 : Substring( const CharT* data, PRUint32 length )
112 : {
113 183746 : return nsTDependentSubstring_CharT(data, length);
114 : }
115 :
116 : inline
117 : const nsTDependentSubstring_CharT
118 1024393 : Substring( const CharT* start, const CharT* end )
119 : {
120 1024393 : return nsTDependentSubstring_CharT(start, end);
121 : }
122 :
123 : inline
124 : const nsTDependentSubstring_CharT
125 17466 : StringHead( const nsTSubstring_CharT& str, PRUint32 count )
126 : {
127 17466 : return nsTDependentSubstring_CharT(str, 0, count);
128 : }
129 :
130 : inline
131 : const nsTDependentSubstring_CharT
132 211 : StringTail( const nsTSubstring_CharT& str, PRUint32 count )
133 : {
134 211 : return nsTDependentSubstring_CharT(str, str.Length() - count, count);
135 : }
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