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build/stlport/src/codecvt.cpp@6474c204b198 (annotated)

build/stlport/src/codecvt.cpp

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	/*
michael@0	2	* Copyright (c) 1999
michael@0	3	* Silicon Graphics Computer Systems, Inc.
michael@0	4	*
michael@0	5	* Copyright (c) 1999
michael@0	6	* Boris Fomitchev
michael@0	7	*
michael@0	8	* This material is provided "as is", with absolutely no warranty expressed
michael@0	9	* or implied. Any use is at your own risk.
michael@0	10	*
michael@0	11	* Permission to use or copy this software for any purpose is hereby granted
michael@0	12	* without fee, provided the above notices are retained on all copies.
michael@0	13	* Permission to modify the code and to distribute modified code is granted,
michael@0	14	* provided the above notices are retained, and a notice that the code was
michael@0	15	* modified is included with the above copyright notice.
michael@0	16	*
michael@0	17	*/
michael@0	18	#include "stlport_prefix.h"
michael@0	19
michael@0	20	#include <locale>
michael@0	21	#include <algorithm>
michael@0	22
michael@0	23	_STLP_BEGIN_NAMESPACE
michael@0	24
michael@0	25	//----------------------------------------------------------------------
michael@0	26	// codecvt<char, char, mbstate_t>
michael@0	27
michael@0	28	codecvt<char, char, mbstate_t>::~codecvt() {}
michael@0	29
michael@0	30	int codecvt<char, char, mbstate_t>::do_length(state_type&,
michael@0	31	const char* from,
michael@0	32	const char* end,
michael@0	33	size_t mx) const
michael@0	34	{ return (int)(min) ( __STATIC_CAST(size_t, (end - from)), mx); }
michael@0	35
michael@0	36	int codecvt<char, char, mbstate_t>::do_max_length() const _STLP_NOTHROW
michael@0	37	{ return 1; }
michael@0	38
michael@0	39	bool
michael@0	40	codecvt<char, char, mbstate_t>::do_always_noconv() const _STLP_NOTHROW
michael@0	41	{ return true; }
michael@0	42
michael@0	43	int
michael@0	44	codecvt<char, char, mbstate_t>::do_encoding() const _STLP_NOTHROW
michael@0	45	{ return 1; }
michael@0	46
michael@0	47	codecvt_base::result
michael@0	48	codecvt<char, char, mbstate_t>::do_unshift(state_type& /* __state */,
michael@0	49	char* __to,
michael@0	50	char* /* __to_limit */,
michael@0	51	char*& __to_next) const
michael@0	52	{ __to_next = __to; return noconv; }
michael@0	53
michael@0	54	codecvt_base::result
michael@0	55	codecvt<char, char, mbstate_t>::do_in (state_type& /* __state */ ,
michael@0	56	const char* __from,
michael@0	57	const char* /* __from_end */,
michael@0	58	const char*& __from_next,
michael@0	59	char* __to,
michael@0	60	char* /* __to_end */,
michael@0	61	char*& __to_next) const
michael@0	62	{ __from_next = __from; __to_next = __to; return noconv; }
michael@0	63
michael@0	64	codecvt_base::result
michael@0	65	codecvt<char, char, mbstate_t>::do_out(state_type& /* __state */,
michael@0	66	const char* __from,
michael@0	67	const char* /* __from_end */,
michael@0	68	const char*& __from_next,
michael@0	69	char* __to,
michael@0	70	char* /* __to_limit */,
michael@0	71	char*& __to_next) const
michael@0	72	{ __from_next = __from; __to_next = __to; return noconv; }
michael@0	73
michael@0	74
michael@0	75	#if !defined (_STLP_NO_WCHAR_T)
michael@0	76	//----------------------------------------------------------------------
michael@0	77	// codecvt<wchar_t, char, mbstate_t>
michael@0	78
michael@0	79	codecvt<wchar_t, char, mbstate_t>::~codecvt() {}
michael@0	80
michael@0	81
michael@0	82	codecvt<wchar_t, char, mbstate_t>::result
michael@0	83	codecvt<wchar_t, char, mbstate_t>::do_out(state_type& /* state */,
michael@0	84	const intern_type* from,
michael@0	85	const intern_type* from_end,
michael@0	86	const intern_type*& from_next,
michael@0	87	extern_type* to,
michael@0	88	extern_type* to_limit,
michael@0	89	extern_type*& to_next) const {
michael@0	90	ptrdiff_t len = (min) (from_end - from, to_limit - to);
michael@0	91	copy(from, from + len, to);
michael@0	92	from_next = from + len;
michael@0	93	to_next = to + len;
michael@0	94	return ok;
michael@0	95	}
michael@0	96
michael@0	97	codecvt<wchar_t, char, mbstate_t>::result
michael@0	98	codecvt<wchar_t, char, mbstate_t>::do_in (state_type& /* state */,
michael@0	99	const extern_type* from,
michael@0	100	const extern_type* from_end,
michael@0	101	const extern_type*& from_next,
michael@0	102	intern_type* to,
michael@0	103	intern_type* to_limit,
michael@0	104	intern_type*& to_next) const {
michael@0	105	ptrdiff_t len = (min) (from_end - from, to_limit - to);
michael@0	106	copy(__REINTERPRET_CAST(const unsigned char*, from),
michael@0	107	__REINTERPRET_CAST(const unsigned char*, from) + len, to);
michael@0	108	from_next = from + len;
michael@0	109	to_next = to + len;
michael@0	110	return ok;
michael@0	111	}
michael@0	112
michael@0	113	codecvt<wchar_t, char, mbstate_t>::result
michael@0	114	codecvt<wchar_t, char, mbstate_t>::do_unshift(state_type& /* state */,
michael@0	115	extern_type* to,
michael@0	116	extern_type* ,
michael@0	117	extern_type*& to_next) const {
michael@0	118	to_next = to;
michael@0	119	return noconv;
michael@0	120	}
michael@0	121
michael@0	122	int codecvt<wchar_t, char, mbstate_t>::do_encoding() const _STLP_NOTHROW
michael@0	123	{ return 1; }
michael@0	124
michael@0	125	bool codecvt<wchar_t, char, mbstate_t>::do_always_noconv() const _STLP_NOTHROW
michael@0	126	{ return true; }
michael@0	127
michael@0	128	int codecvt<wchar_t, char, mbstate_t>::do_length(state_type&,
michael@0	129	const extern_type* from,
michael@0	130	const extern_type* end,
michael@0	131	size_t mx) const
michael@0	132	{ return (int)(min) ((size_t) (end - from), mx); }
michael@0	133
michael@0	134	int codecvt<wchar_t, char, mbstate_t>::do_max_length() const _STLP_NOTHROW
michael@0	135	{ return 1; }
michael@0	136	#endif /* wchar_t */
michael@0	137
michael@0	138	_STLP_END_NAMESPACE
michael@0	139
michael@0	140	// Local Variables:
michael@0	141	// mode:C++
michael@0	142	// End:
michael@0	143