mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 06:35:42 +00:00
100 lines
2.9 KiB
C++
100 lines
2.9 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: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
|
|
/**
|
|
* 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(const_cast<char_type*>(start), PRUint32(end - start), F_TERMINATED)
|
|
{
|
|
AssertValid();
|
|
}
|
|
|
|
nsTDependentString_CharT( const char_type* data, PRUint32 length )
|
|
: string_type(const_cast<char_type*>(data), length, F_TERMINATED)
|
|
{
|
|
AssertValid();
|
|
}
|
|
|
|
explicit
|
|
nsTDependentString_CharT( const char_type* data )
|
|
: string_type(const_cast<char_type*>(data), PRUint32(char_traits::length(data)), F_TERMINATED)
|
|
{
|
|
AssertValid();
|
|
}
|
|
|
|
nsTDependentString_CharT( const string_type& str, PRUint32 startPos )
|
|
: string_type()
|
|
{
|
|
Rebind(str, startPos);
|
|
}
|
|
|
|
// Create a nsTDependentSubstring to be bound later
|
|
nsTDependentString_CharT()
|
|
: string_type() {}
|
|
|
|
// 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 )
|
|
{
|
|
Rebind(data, PRUint32(char_traits::length(data)));
|
|
}
|
|
|
|
void Rebind( const char_type* data, size_type length );
|
|
|
|
void Rebind( const char_type* start, const char_type* end )
|
|
{
|
|
Rebind(start, PRUint32(end - start));
|
|
}
|
|
|
|
void Rebind( const string_type&, PRUint32 startPos );
|
|
|
|
private:
|
|
|
|
// NOT USED
|
|
nsTDependentString_CharT( const substring_tuple_type& );
|
|
};
|