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/* $Id: ucsset.h,v 1.1.1.1 2003/06/04 00:25:43 marka 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) 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_UCSSET_H
#define IDN_UCSSET_H 1
#ifdef __cplusplus
extern "C" {
#endif
/*
* A 'set' of UCS codepoints.
*/
#include <idn/export.h>
#include <idn/result.h>
/*
* Type representing a set (opaque).
*/
typedef struct idn_ucsset *idn_ucsset_t;
/*
* Create an empty set. The reference count is set to 1.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
*/
IDN_EXPORT idn_result_t
idn_ucsset_create(idn_ucsset_t *ctxp);
/*
* Decrement the reference count of the given set, and if it reaches zero,
* release all the memory allocated for it.
*/
IDN_EXPORT void
idn_ucsset_destroy(idn_ucsset_t ctx);
/*
* Increments the reference count by one.
*/
IDN_EXPORT void
idn_ucsset_incrref(idn_ucsset_t ctx);
/*
* Add a UCS code point to the set.
* The set must be in the building phase -- that is, before 'idn_ucsset_fix'
* is called for the set.
*
* Returns:
* idn_success -- ok.
* idn_invalid_code -- code point out of range.
* idn_nomemory -- malloc failed.
* idn_failure -- already fixed by 'idn_ucsset_fix'.
*/
IDN_EXPORT idn_result_t
idn_ucsset_add(idn_ucsset_t ctx, unsigned long v);
/*
* Add a range of code points (from 'from' to 'to', inclusive) to the set.
* 'from' must not be greater than 'to'.
* This function is similar to 'idn_ucsset_add' except that it accepts
* range of code points.
*
* Returns:
* idn_success -- ok.
* idn_invalid_code -- code point out of range, or the range
* specification is invalid.
* idn_nomemory -- malloc failed.
* idn_failure -- already fixed by 'idn_ucsset_fix'.
*/
IDN_EXPORT idn_result_t
idn_ucsset_addrange(idn_ucsset_t ctx, unsigned long from, unsigned long to);
/*
* Perform internal arrangement of the set for lookup.
* Before calling this function, a set is in 'building' phase, and code
* points can be added freely by 'idn_ucsset_add' or 'idn_ucsset_addrange'.
* But once it is fixed by this function, the set becomes immutable, and
* it shifts into 'lookup' phase.
*/
IDN_EXPORT void
idn_ucsset_fix(idn_ucsset_t ctx);
/*
* Find if the given code point is in the set.
* The set must be in the lookup phase -- in other words, 'idn_ucsset_fix'
* must be called for the set before calling this function.
* '*found' is set to 1 if the specified code point is in the set, 0 otherwise.
*
* Returns:
* idn_success -- ok.
* idn_invalid_code -- specified code point is out of range.
* idn_failure -- not fixed by 'idn_ucsset_fix' yet.
*/
IDN_EXPORT idn_result_t
idn_ucsset_lookup(idn_ucsset_t ctx, unsigned long v, int *found);
#ifdef __cplusplus
}
#endif
#endif /* IDN_UCSSET_H */
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