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/* $Id: normalizer.h,v 1.1.1.1 2003/06/04 00:25:40 marka 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_NORMALIZER_H
#define IDN_NORMALIZER_H 1
#ifdef __cplusplus
extern "C" {
#endif
/*
* Domain name normalizer.
*
* Perform normalization on the specified strings. String must be
* in UCS4 encoding.
*/
#include <idn/export.h>
#include <idn/result.h>
/*
* Normalizer type (opaque).
*/
typedef struct idn_normalizer *idn_normalizer_t;
/*
* Normalizer procedure type.
*/
typedef idn_result_t (*idn_normalizer_proc_t)(const unsigned long *from,
unsigned long *to, size_t tolen);
/*
* Initialize this module.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
*/
IDN_EXPORT idn_result_t
idn_normalizer_initialize(void);
/*
* Create a empty normalizer.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
*/
IDN_EXPORT idn_result_t
idn_normalizer_create(idn_normalizer_t *ctxp);
/*
* Decrement reference count of the normalizer `ctx' created by
* 'idn_normalizer_create', if it is still refered by another object.
* Otherwise, release all the memory allocated to the normalizer.
*/
IDN_EXPORT void
idn_normalizer_destroy(idn_normalizer_t ctx);
/*
* Increment reference count of the normalizer `ctx' created by
* 'idn_normalizer_create'.
*/
IDN_EXPORT void
idn_normalizer_incrref(idn_normalizer_t ctx);
/*
* Add a normalization scheme to a normalizer.
*
* Multiple shemes can be added to a normalizer, and they will be
* applied in order.
*
* Returns:
* idn_success -- ok.
* idn_invalid_name -- unknown scheme was specified.
* idn_nomemory -- malloc failed.
*/
IDN_EXPORT idn_result_t
idn_normalizer_add(idn_normalizer_t ctx, const char *scheme_name);
IDN_EXPORT idn_result_t
idn_normalizer_addall(idn_normalizer_t ctx, const char **scheme_names,
int nschemes);
/*
* Perform normalization(s) defined by a normalizer to the specified string,
* If the normalizer has two or more normalization schemes, they are
* applied in order.
*
* Returns:
* idn_success -- ok.
* idn_buffer_overflow -- output buffer is too small.
* idn_nomemory -- malloc failed.
*/
IDN_EXPORT idn_result_t
idn_normalizer_normalize(idn_normalizer_t ctx, const unsigned long *from,
unsigned long *to, size_t tolen);
/*
* Register a new normalization scheme.
*
* You can override the default normalization schemes, if you want.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
*/
IDN_EXPORT idn_result_t
idn_normalizer_register(const char *scheme_name, idn_normalizer_proc_t proc);
#ifdef __cplusplus
}
#endif
#endif /* IDN_NORMALIZER_H */
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