mirror of
https://github.com/mozilla/gecko-dev.git
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121 lines
4.3 KiB
C++
121 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is IBM Corporation.
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* Portions created by IBM Corporation are Copyright (C) 2003
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* IBM Corporation. All Rights Reserved.
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*
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* Contributor(s):
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* Scott Collins <scc@mozilla.org> (original author)
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* Darin Fisher <darin@meer.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/**
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* nsTDependentSubstring_CharT
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*
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* A string class which wraps an external array of string characters. It
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* is the client code's responsibility to ensure that the external buffer
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* remains valid for a long as the string is alive.
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*
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* NAMES:
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* nsDependentSubstring for wide characters
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* nsDependentCSubstring for narrow characters
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*/
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class nsTDependentSubstring_CharT : public nsTSubstring_CharT
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{
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public:
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typedef nsTDependentSubstring_CharT self_type;
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public:
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NS_COM void Rebind( const substring_type&, PRUint32 startPos, PRUint32 length = size_type(-1) );
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NS_COM void Rebind( const char_type* start, const char_type* end );
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nsTDependentSubstring_CharT( const substring_type& str, PRUint32 startPos, PRUint32 length = size_type(-1) )
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: substring_type()
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{
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Rebind(str, startPos, length);
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}
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nsTDependentSubstring_CharT( const char_type* start, const char_type* end )
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: substring_type(const_cast<char_type*>(start), PRUint32(end - start), F_NONE) {}
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nsTDependentSubstring_CharT( const const_iterator& start, const const_iterator& end )
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: substring_type(const_cast<char_type*>(start.get()), PRUint32(end.get() - start.get()), F_NONE) {}
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// Create a nsTDependentSubstring to be bound later
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nsTDependentSubstring_CharT()
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: substring_type() {}
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// auto-generated copy-constructor OK (XXX really?? what about base class copy-ctor?)
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private:
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// NOT USED
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void operator=( const self_type& ); // we're immutable, you can't assign into a substring
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};
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inline
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const nsTDependentSubstring_CharT
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Substring( const nsTSubstring_CharT& str, PRUint32 startPos, PRUint32 length = PRUint32(-1) )
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{
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return nsTDependentSubstring_CharT(str, startPos, length);
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}
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inline
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const nsTDependentSubstring_CharT
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Substring( const nsReadingIterator<CharT>& start, const nsReadingIterator<CharT>& end )
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{
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return nsTDependentSubstring_CharT(start.get(), end.get());
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}
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inline
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const nsTDependentSubstring_CharT
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Substring( const CharT* start, const CharT* end )
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{
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return nsTDependentSubstring_CharT(start, end);
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}
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inline
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const nsTDependentSubstring_CharT
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StringHead( const nsTSubstring_CharT& str, PRUint32 count )
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{
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return nsTDependentSubstring_CharT(str, 0, count);
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}
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inline
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const nsTDependentSubstring_CharT
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StringTail( const nsTSubstring_CharT& str, PRUint32 count )
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{
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return nsTDependentSubstring_CharT(str, str.Length() - count, count);
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}
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