зеркало из https://github.com/mozilla/gecko-dev.git
138 строки
4.6 KiB
C++
138 строки
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:set ts=2 sw=2 sts=2 et cindent: */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla.
|
|
*
|
|
* The Initial Developer of the Original Code is IBM Corporation.
|
|
* Portions created by IBM Corporation are Copyright (C) 2003
|
|
* IBM Corporation. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Scott Collins <scc@mozilla.org> (original author)
|
|
* Darin Fisher <darin@meer.net>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
|
|
/**
|
|
* nsTDependentString_CharT
|
|
*
|
|
* Stores a null-terminated, immutable sequence of characters.
|
|
*
|
|
* Subclass of nsTString that restricts string value to an immutable
|
|
* character sequence. This class does not own its data, so the creator
|
|
* of objects of this type must take care to ensure that a
|
|
* nsTDependentString continues to reference valid memory for the
|
|
* duration of its use.
|
|
*/
|
|
class nsTDependentString_CharT : public nsTString_CharT
|
|
{
|
|
public:
|
|
|
|
typedef nsTDependentString_CharT self_type;
|
|
|
|
public:
|
|
|
|
/**
|
|
* verify restrictions
|
|
*/
|
|
void AssertValid()
|
|
{
|
|
NS_ASSERTION(mData, "nsTDependentString must wrap a non-NULL buffer");
|
|
NS_ASSERTION(mLength != size_type(-1), "nsTDependentString has bogus length");
|
|
NS_ASSERTION(mData[mLength] == 0, "nsTDependentString must wrap only null-terminated strings");
|
|
}
|
|
|
|
|
|
/**
|
|
* constructors
|
|
*/
|
|
|
|
nsTDependentString_CharT( const char_type* start, const char_type* end )
|
|
: string_type(NS_CONST_CAST(char_type*, start), end - start, F_TERMINATED)
|
|
{
|
|
AssertValid();
|
|
}
|
|
|
|
nsTDependentString_CharT( const char_type* data, PRUint32 length )
|
|
: string_type(NS_CONST_CAST(char_type*, data), length, F_TERMINATED)
|
|
{
|
|
AssertValid();
|
|
}
|
|
|
|
explicit
|
|
nsTDependentString_CharT( const char_type* data )
|
|
: string_type(NS_CONST_CAST(char_type*, data), char_traits::length(data), F_TERMINATED)
|
|
{
|
|
AssertValid();
|
|
}
|
|
|
|
explicit
|
|
nsTDependentString_CharT( const substring_type& str )
|
|
: string_type(NS_CONST_CAST(char_type*, str.Data()), str.Length(), F_TERMINATED)
|
|
{
|
|
AssertValid();
|
|
}
|
|
|
|
// XXX are you sure??
|
|
// auto-generated copy-constructor OK
|
|
// auto-generated copy-assignment operator OK
|
|
// auto-generated destructor OK
|
|
|
|
|
|
/**
|
|
* allow this class to be bound to a different string...
|
|
*/
|
|
|
|
void Rebind( const char_type* data )
|
|
{
|
|
mData = NS_CONST_CAST(char_type*, data);
|
|
mLength = char_traits::length(data);
|
|
SetDataFlags(F_TERMINATED);
|
|
AssertValid();
|
|
}
|
|
|
|
void Rebind( const char_type* data, size_type length )
|
|
{
|
|
mData = NS_CONST_CAST(char_type*, data);
|
|
mLength = length;
|
|
SetDataFlags(F_TERMINATED);
|
|
AssertValid();
|
|
}
|
|
|
|
void Rebind( const char_type* start, const char_type* end )
|
|
{
|
|
Rebind(start, end - start);
|
|
}
|
|
|
|
private:
|
|
|
|
// NOT USED
|
|
nsTDependentString_CharT( const substring_tuple_type& );
|
|
nsTDependentString_CharT( const abstract_string_type& );
|
|
};
|