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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /proc/self/root/usr/local/include/idn/ |
| Current File : //proc/self/root/usr/local/include/idn/converter.h |
/* $Id: converter.h,v 1.28 2002/11/29 09:08:02 ishisone Exp $ */
/*
* Copyright (c) 2000 Japan Network Information Center. All rights reserved.
*
* By using this file, you agree to the terms and conditions set forth bellow.
*
* LICENSE TERMS AND CONDITIONS
*
* The following License Terms and Conditions apply, unless a different
* license is obtained from Japan Network Information Center ("JPNIC"),
* a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
* Chiyoda-ku, Tokyo 101-0047, Japan.
*
* 1. Use, Modification and Redistribution (including distribution of any
* modified or derived work) in source and/or binary forms is permitted
* under this License Terms and Conditions.
*
* 2. Redistribution of source code must retain the copyright notices as they
* appear in each source code file, this License Terms and Conditions.
*
* 3. Redistribution in binary form must reproduce the Copyright Notice,
* this License Terms and Conditions, in the documentation and/or other
* materials provided with the distribution. For the purposes of binary
* distribution the "Copyright Notice" refers to the following language:
* "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved."
*
* 4. The name of JPNIC may not be used to endorse or promote products
* derived from this Software without specific prior written approval of
* JPNIC.
*
* 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JPNIC BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*/
#ifndef IDN_CONVERTER_H
#define IDN_CONVERTER_H 1
#ifdef __cplusplus
extern "C" {
#endif
/*
* Codeset converter.
*
* This module provides conversions from some local codeset to UCS4
* and vice versa.
*/
#include <idn/export.h>
#include <idn/result.h>
/*
* Converter context type (opaque).
*/
typedef struct idn_converter *idn_converter_t;
/*
* Conversion flags.
*/
#define IDN_CONVERTER_DELAYEDOPEN 1
#define IDN_CONVERTER_RTCHECK 2
/*
* Encoding types.
*/
#define IDN_NONACE 0
#define IDN_ACE_STRICTCASE 1
#define IDN_ACE_LOOSECASE 2
/*
* Initialize module. Must be called before any other calls of
* the functions of this module.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
*/
IDN_EXPORT idn_result_t
idn_converter_initialize(void);
/*
* Create a conversion context.
*
* Returns:
* idn_success -- ok.
* idn_invalid_name -- specified codeset is not supported.
* idn_nomemory -- malloc failed.
* idn_failure -- other failure (unknown cause).
*/
IDN_EXPORT idn_result_t
idn_converter_create(const char *name, idn_converter_t *ctxp,
int flags);
/*
* Decrement reference count of the converter `ctx' created by
* 'idn_converter_create', if it is still refered by another object.
* Otherwise, release all the memory allocated to the converter.
*/
IDN_EXPORT void
idn_converter_destroy(idn_converter_t ctx);
/*
* Increment reference count of the converter `ctx' created by
* 'idn_converter_create'.
*/
IDN_EXPORT void
idn_converter_incrref(idn_converter_t ctx);
/*
* Convert between local codeset and UCS4. Note that each conversion
* is started with initial state.
*
* Returns:
* idn_success -- ok.
* idn_buffer_overflow -- output buffer is too small.
* idn_invalid_encoding -- the input string has invalid/illegal
* byte sequence.
* idn_invalid_name -- codeset is not supported (this error
* should happen only if 'delayedopen'
* flag was set when idn_converter_create
* was called)
* idn_failure -- other failure.
*/
IDN_EXPORT idn_result_t
idn_converter_convfromucs4(idn_converter_t ctx,
const unsigned long *from, char *to, size_t tolen);
IDN_EXPORT idn_result_t
idn_converter_convtoucs4(idn_converter_t ctx,
const char *from, unsigned long *to, size_t tolen);
/*
* Get the name of local codeset. The returned name may be different from
* the one specified to idn_converter_create, if the specified one was an
* alias.
*
* Returns:
* the local codeset name.
*/
IDN_EXPORT char *
idn_converter_localencoding(idn_converter_t ctx);
/*
* Return the encoding type of this local encoding.
*
* Returns:
* IDN_NONACE -- encoding is not ACE.
* IDN_ACE_STRICTCASE -- encoding is ACE.
* decoder of this ACE preserve letter case.
* IDN_ACE_LOOSECASE -- encoding type is ACE.
* decoder cannot preserve letter case.
*/
IDN_EXPORT int
idn_converter_encodingtype(idn_converter_t ctx);
/*
* Return if this local encoding is ACE (Ascii Compatible Encoding).
*
* Returns:
* 1 -- yes, it is ACE.
* 0 -- no.
*/
IDN_EXPORT int
idn_converter_isasciicompatible(idn_converter_t ctx);
/*
* Register an alias for a codeset name.
*
* If first_item is 0, alias pattern is placed as the last item of the
* alias list. Otherwise, it is done as the first item.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
*/
IDN_EXPORT idn_result_t
idn_converter_addalias(const char *alias_name, const char *real_name,
int first_item);
/*
* Register aliases defined by the specified file.
*
* Returns:
* idn_success -- ok.
* idn_nofile -- no such file.
* idn_invalid_syntax -- file is malformed.
* idn_nomemory -- malloc failed.
*/
IDN_EXPORT idn_result_t
idn_converter_aliasfile(const char *path);
/*
* Unregister all the aliases.
*/
IDN_EXPORT idn_result_t
idn_converter_resetalias(void);
/*
* resolve real encoding name from alias information.
*/
IDN_EXPORT const char *
idn_converter_getrealname(const char *name);
/*
* New converter registration.
*/
/*
* Conversion operation functions.
*/
typedef idn_result_t (*idn_converter_openproc_t)(idn_converter_t ctx,
void **privdata);
typedef idn_result_t (*idn_converter_closeproc_t)(idn_converter_t ctx,
void *privdata);
typedef idn_result_t
(*idn_converter_convfromucs4proc_t)(idn_converter_t ctx,
void *privdata,
const unsigned long *from,
char *to, size_t tolen);
typedef idn_result_t
(*idn_converter_convtoucs4proc_t)(idn_converter_t ctx,
void *privdata,
const char *from,
unsigned long *to,
size_t tolen);
/*
* Register a new converter.
* 'encoding_type' is a value which idn_converter_encodingtype() returns.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
*/
IDN_EXPORT idn_result_t
idn_converter_register(const char *name,
idn_converter_openproc_t openfromucs4,
idn_converter_openproc_t opentoucs4,
idn_converter_convfromucs4proc_t convfromucs4,
idn_converter_convtoucs4proc_t convtoucs4,
idn_converter_closeproc_t close,
int encoding_type);
#ifdef __cplusplus
}
#endif
#endif /* IDN_CONVERTER_H */
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