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/* $Id: normalizer.h,v 1.14 2001/10/31 08:51:28 m-kasahr 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) Japan Network Information Center. All rights reserved."
*
* 4. Neither the name of JPNIC may 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.
*
* 6. Indemnification by Licensee
* Any person or entities using and/or redistributing this Software under
* this License Terms and Conditions shall defend indemnify and hold
* harmless JPNIC from and against any and all judgements damages,
* expenses, settlement liabilities, cost and other liabilities of any
* kind as a result of use and redistribution of this Software or any
* claim, suite, action, litigation or proceeding by any third party
* arising out of or relates to this License Terms and Conditions.
*
* 7. Governing Law, Jurisdiction and Venue
* This License Terms and Conditions shall be governed by and and
* construed in accordance with the law of Japan. Any person or entities
* using and/or redistributing this Software under this License Terms and
* Conditions hereby agrees and consent to the personal and exclusive
* jurisdiction and venue of Tokyo District Court of Japan.
*/
#ifndef MDN_NORMALIZER_H
#define MDN_NORMALIZER_H 1
/*
* Domain name normalizer.
*
* Perform normalization on the specified strings. String must be
* in UTF-8 encoding.
*/
#include <mdn/result.h>
/*
* Normalizer type (opaque).
*/
typedef struct mdn_normalizer *mdn_normalizer_t;
/*
* Normalizer procedure type.
*/
typedef mdn_result_t (*mdn_normalizer_proc_t)(const char *from,
char *to, size_t tolen);
/*
* Initialize this module.
*
* Returns:
* mdn_success -- ok.
* mdn_nomemory -- malloc failed.
*/
extern mdn_result_t
mdn_normalizer_initialize(void);
/*
* Create a empty normalizer.
*
* Returns:
* mdn_success -- ok.
* mdn_nomemory -- malloc failed.
*/
extern mdn_result_t
mdn_normalizer_create(mdn_normalizer_t *ctxp);
/*
* Decrement reference count of the normalizer `ctx' created by
* 'mdn_normalizer_create', if it is still refered by another object.
* Otherwise, release all the memory allocated to the normalizer.
*/
extern void
mdn_normalizer_destroy(mdn_normalizer_t ctx);
/*
* Increment reference count of the normalizer `ctx' created by
* 'mdn_normalizer_create'.
*/
extern void
mdn_normalizer_incrref(mdn_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:
* mdn_success -- ok.
* mdn_invalid_name -- unknown scheme was specified.
* mdn_nomemory -- malloc failed.
*/
extern mdn_result_t
mdn_normalizer_add(mdn_normalizer_t ctx, const char *scheme_name);
extern mdn_result_t
mdn_normalizer_addall(mdn_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:
* mdn_success -- ok.
* mdn_buffer_overflow -- output buffer is too small.
* mdn_invalid_encoding -- input is not a valid UTF-8 string.
* mdn_nomemory -- malloc failed.
*/
extern mdn_result_t
mdn_normalizer_normalize(mdn_normalizer_t ctx, const char *from,
char *to, size_t tolen);
/*
* Register a new normalization scheme.
*
* You can override the default normalization schemes, if you want.
*
* Returns:
* mdn_success -- ok.
* mdn_nomemory -- malloc failed.
*/
extern mdn_result_t
mdn_normalizer_register(const char *scheme_name, mdn_normalizer_proc_t proc);
#endif /* MDN_NORMALIZER_H */
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