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/* $Id: ucsmap.h,v 1.3 2001/10/31 08:51:28 m-kasahr Exp $ */
/*
* Copyright (c) 2001 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_UCSMAP_H
#define MDN_UCSMAP_H 1
/*
* Perform UCS character mapping.
* This module support one-to-N mapping (N may be zero, one or more).
*/
#include <mdn/result.h>
/*
* Mapper type (opaque).
*/
typedef struct mdn_ucsmap *mdn_ucsmap_t;
/*
* Create an empty mapping. The reference count is set to 1.
*
* Returns:
* mdn_success -- ok.
* mdn_nomemory -- malloc failed.
*/
extern mdn_result_t
mdn_ucsmap_create(mdn_ucsmap_t *ctxp);
/*
* Decrement the reference count of the given set, and if it reaches zero,
* release all the memory allocated for it.
*/
extern void
mdn_ucsmap_destroy(mdn_ucsmap_t ctx);
/*
* Increment the reference count of the given set by one, so that
* the map can be shared.
*/
extern void
mdn_ucsmap_incrref(mdn_ucsmap_t ctx);
/*
* Add a mapping.
* 'ucs' is the character to be mapped, 'map' points an array of mapped
* characters of length 'maplen'. 'map' may be NULL if 'maplen' is zero,
* meaning one-to-none mapping.
*
* Returns:
* mdn_success -- ok.
* mdn_nomemory -- malloc failed.
* mdn_failure -- already fixed by 'mdn_ucsmap_fix',
* or too large maplen.
*/
extern mdn_result_t
mdn_ucsmap_add(mdn_ucsmap_t ctx, unsigned long ucs, unsigned long *map,
size_t maplen);
/*
* Perform internal arrangement of the map for lookup.
* Once it is fixed, 'mdn_ucsmap_add' cannot be permitted to the map.
*/
extern void
mdn_ucsmap_fix(mdn_ucsmap_t ctx);
/*
* Find the mapping for the given character.
* 'mdn_ucsmap_fix' must be performed before calling this function.
* Find the mapping for 'v' and store the result to 'to'. The length
* of the mapped sequence is stored in '*maplenp'. 'tolen' specifies
* the length allocated for 'to'.
*
* Returns:
* mdn_success -- ok.
* mdn_nomapping -- specified character has no mapping.
* mdn_failure -- not fixed by 'mdn_ucsmap_fix' yet.
*/
mdn_result_t
mdn_ucsmap_map(mdn_ucsmap_t ctx, unsigned long v, unsigned long *to,
size_t tolen, size_t *maplenp);
#endif /* MDN_UCSMAP_H */
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