gecko/xpcom/string/public/nsTDependentString.h

99 lines
3.0 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:
/**
* constructors
*/
nsTDependentString_CharT( const char_type* start, const char_type* end )
: string_type(const_cast<char_type*>(start), uint32_t(end - start), F_TERMINATED)
{
AssertValidDepedentString();
}
nsTDependentString_CharT( const char_type* data, uint32_t length )
: string_type(const_cast<char_type*>(data), length, F_TERMINATED)
{
AssertValidDepedentString();
}
#if defined(CharT_is_PRUnichar) && defined(MOZ_USE_CHAR16_WRAPPER)
nsTDependentString_CharT( char16ptr_t data, uint32_t length )
: nsTDependentString_CharT(static_cast<const char16_t*>(data), length) {}
#endif
explicit
nsTDependentString_CharT( const char_type* data )
: string_type(const_cast<char_type*>(data), uint32_t(char_traits::length(data)), F_TERMINATED)
{
AssertValidDepedentString();
}
#if defined(CharT_is_PRUnichar) && defined(MOZ_USE_CHAR16_WRAPPER)
explicit
nsTDependentString_CharT( char16ptr_t data )
: nsTDependentString_CharT( static_cast<const char16_t*>(data)) {}
#endif
nsTDependentString_CharT( const string_type& str, uint32_t 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...
*/
using nsTString_CharT::Rebind;
void Rebind( const char_type* data )
{
Rebind(data, uint32_t(char_traits::length(data)));
}
void Rebind( const char_type* start, const char_type* end )
{
Rebind(start, uint32_t(end - start));
}
void Rebind( const string_type&, uint32_t startPos );
private:
// NOT USED
nsTDependentString_CharT( const substring_tuple_type& );
};