зеркало из https://github.com/mozilla/pjs.git
135 строки
4.4 KiB
C++
135 строки
4.4 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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* nsTDependentString_CharT
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*
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* Stores a null-terminated, immutable sequence of characters.
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*
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* Subclass of nsTString that restricts string value to an immutable
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* character sequence. This class does not own its data, so the creator
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* of objects of this type must take care to ensure that a
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* nsTDependentString continues to reference valid memory for the
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* duration of its use.
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*/
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class nsTDependentString_CharT : public nsTString_CharT
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{
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public:
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typedef nsTDependentString_CharT self_type;
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public:
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/**
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* verify restrictions
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*/
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void AssertValid()
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{
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NS_ASSERTION(mData, "nsTDependentString must wrap a non-NULL buffer");
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NS_ASSERTION(mLength != size_type(-1), "nsTDependentString has bogus length");
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NS_ASSERTION(mData[mLength] == 0, "nsTDependentString must wrap only null-terminated strings");
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}
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/**
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* constructors
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*/
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nsTDependentString_CharT( const char_type* start, const char_type* end )
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: string_type(const_cast<char_type*>(start), end - start, F_TERMINATED)
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{
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AssertValid();
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}
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nsTDependentString_CharT( const char_type* data, PRUint32 length )
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: string_type(const_cast<char_type*>(data), length, F_TERMINATED)
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{
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AssertValid();
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}
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explicit
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nsTDependentString_CharT( const char_type* data )
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: string_type(const_cast<char_type*>(data), char_traits::length(data), F_TERMINATED)
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{
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AssertValid();
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}
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explicit
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nsTDependentString_CharT( const substring_type& str )
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: string_type(const_cast<char_type*>(str.Data()), str.Length(), F_TERMINATED)
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{
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AssertValid();
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}
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// Create a nsTDependentSubstring to be bound later
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nsTDependentString_CharT()
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: string_type() {}
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// XXX are you sure??
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// auto-generated copy-constructor OK
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// auto-generated copy-assignment operator OK
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// auto-generated destructor OK
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/**
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* allow this class to be bound to a different string...
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*/
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void Rebind( const char_type* data )
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{
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Rebind(data, char_traits::length(data));
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}
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NS_COM void Rebind( const char_type* data, size_type length );
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void Rebind( const char_type* start, const char_type* end )
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{
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Rebind(start, end - start);
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}
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private:
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// NOT USED
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nsTDependentString_CharT( const substring_tuple_type& );
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#ifdef MOZ_V1_STRING_ABI
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nsTDependentString_CharT( const abstract_string_type& );
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#endif
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};
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