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xpcom/string/public/nsTDependentSubstring.h@6474c204b198 (annotated)

xpcom/string/public/nsTDependentSubstring.h

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0	3	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6	// IWYU pragma: private, include "nsString.h"
michael@0	7
michael@0	8	/**
michael@0	9	* nsTDependentSubstring_CharT
michael@0	10	*
michael@0	11	* A string class which wraps an external array of string characters. It
michael@0	12	* is the client code's responsibility to ensure that the external buffer
michael@0	13	* remains valid for a long as the string is alive.
michael@0	14	*
michael@0	15	* NAMES:
michael@0	16	* nsDependentSubstring for wide characters
michael@0	17	* nsDependentCSubstring for narrow characters
michael@0	18	*/
michael@0	19	class nsTDependentSubstring_CharT : public nsTSubstring_CharT
michael@0	20	{
michael@0	21	public:
michael@0	22
michael@0	23	typedef nsTDependentSubstring_CharT self_type;
michael@0	24
michael@0	25	public:
michael@0	26
michael@0	27	void Rebind( const substring_type&, uint32_t startPos, uint32_t length = size_type(-1) );
michael@0	28
michael@0	29	void Rebind( const char_type* data, size_type length );
michael@0	30
michael@0	31	void Rebind( const char_type* start, const char_type* end )
michael@0	32	{
michael@0	33	Rebind(start, size_type(end - start));
michael@0	34	}
michael@0	35
michael@0	36	nsTDependentSubstring_CharT( const substring_type& str, uint32_t startPos, uint32_t length = size_type(-1) )
michael@0	37	: substring_type()
michael@0	38	{
michael@0	39	Rebind(str, startPos, length);
michael@0	40	}
michael@0	41
michael@0	42	nsTDependentSubstring_CharT( const char_type* data, size_type length )
michael@0	43	: substring_type(const_cast<char_type*>(data), length, F_NONE) {}
michael@0	44
michael@0	45	nsTDependentSubstring_CharT( const char_type* start, const char_type* end )
michael@0	46	: substring_type(const_cast<char_type*>(start), uint32_t(end - start), F_NONE) {}
michael@0	47
michael@0	48	#if defined(CharT_is_PRUnichar) && defined(MOZ_USE_CHAR16_WRAPPER)
michael@0	49	nsTDependentSubstring_CharT( char16ptr_t data, size_type length )
michael@0	50	: nsTDependentSubstring_CharT(static_cast<const char16_t*>(data), length) {}
michael@0	51
michael@0	52	nsTDependentSubstring_CharT( char16ptr_t start, char16ptr_t end )
michael@0	53	: nsTDependentSubstring_CharT(static_cast<const char16_t*>(start), static_cast<const char16_t*>(end)) {}
michael@0	54	#endif
michael@0	55
michael@0	56	nsTDependentSubstring_CharT( const const_iterator& start, const const_iterator& end )
michael@0	57	: substring_type(const_cast<char_type*>(start.get()), uint32_t(end.get() - start.get()), F_NONE) {}
michael@0	58
michael@0	59	// Create a nsTDependentSubstring to be bound later
michael@0	60	nsTDependentSubstring_CharT()
michael@0	61	: substring_type() {}
michael@0	62
michael@0	63	// auto-generated copy-constructor OK (XXX really?? what about base class copy-ctor?)
michael@0	64
michael@0	65	private:
michael@0	66	// NOT USED
michael@0	67	void operator=( const self_type& ); // we're immutable, you can't assign into a substring
michael@0	68	};
michael@0	69
michael@0	70	inline
michael@0	71	const nsTDependentSubstring_CharT
michael@0	72	Substring( const nsTSubstring_CharT& str, uint32_t startPos, uint32_t length = uint32_t(-1) )
michael@0	73	{
michael@0	74	return nsTDependentSubstring_CharT(str, startPos, length);
michael@0	75	}
michael@0	76
michael@0	77	inline
michael@0	78	const nsTDependentSubstring_CharT
michael@0	79	Substring( const nsReadingIterator<CharT>& start, const nsReadingIterator<CharT>& end )
michael@0	80	{
michael@0	81	return nsTDependentSubstring_CharT(start.get(), end.get());
michael@0	82	}
michael@0	83
michael@0	84	inline
michael@0	85	const nsTDependentSubstring_CharT
michael@0	86	Substring( const CharT* data, uint32_t length )
michael@0	87	{
michael@0	88	return nsTDependentSubstring_CharT(data, length);
michael@0	89	}
michael@0	90
michael@0	91	inline
michael@0	92	const nsTDependentSubstring_CharT
michael@0	93	Substring( const CharT* start, const CharT* end )
michael@0	94	{
michael@0	95	return nsTDependentSubstring_CharT(start, end);
michael@0	96	}
michael@0	97
michael@0	98	inline
michael@0	99	const nsTDependentSubstring_CharT
michael@0	100	StringHead( const nsTSubstring_CharT& str, uint32_t count )
michael@0	101	{
michael@0	102	return nsTDependentSubstring_CharT(str, 0, count);
michael@0	103	}
michael@0	104
michael@0	105	inline
michael@0	106	const nsTDependentSubstring_CharT
michael@0	107	StringTail( const nsTSubstring_CharT& str, uint32_t count )
michael@0	108	{
michael@0	109	return nsTDependentSubstring_CharT(str, str.Length() - count, count);
michael@0	110	}