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/* $Id: checker.h,v 1.1.1.1 2003/06/04 00:25:36 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_CHECKER_H
#define IDN_CHECKER_H 1
#ifdef __cplusplus
extern "C" {
#endif
/*
* Character Checker.
*
* Perfom checking characters in the specified domain name.
*/
#include <idn/result.h>
#include <idn/filechecker.h>
#include <idn/nameprep.h>
/*
* Schems name prefixes for the standard nameprep prohibit/unassigned
* checks.
*
* If you'd like to add the unassigned check scheme of "RFC3491"
* to a checker context, IDN_CHECKER_UNASSIGNED_PREFIX + "RFC3491"
* (i.e. "unassigned#RFC3491") is the scheme name passed to
* idn_checker_add().
*/
#define IDN_CHECKER_PROHIBIT_PREFIX "prohibit#"
#define IDN_CHECKER_UNASSIGNED_PREFIX "unassigned#"
#define IDN_CHECKER_BIDI_PREFIX "bidi#"
/*
* Checker object type.
*/
typedef struct idn_checker *idn_checker_t;
/*
* Initialize module. Must be called before any other calls of
* the functions of this module.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
*/
extern idn_result_t
idn_checker_initialize(void);
/*
* Create a checker context.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
*/
extern idn_result_t
idn_checker_create(idn_checker_t *ctxp);
/*
* Decrement reference count of the checker `ctx' created by
* 'idn_checker_create', if it is still refered by another object.
* Otherwise, release all the memory allocated to the checker.
*/
extern void
idn_checker_destroy(idn_checker_t ctx);
/*
* Increment reference count of the checker `ctx' created by
* 'idn_checker_create'.
*/
extern void
idn_checker_incrref(idn_checker_t ctx);
/*
* Add checking scheme `name' to the checker to `ctx'.
*
* Returns:
* idn_success -- ok.
* idn_invalid_name -- the given name is not valid.
* idn_nomemory -- malloc failed.
*/
extern idn_result_t
idn_checker_add(idn_checker_t ctx, const char *name);
extern idn_result_t
idn_checker_addall(idn_checker_t ctx, const char **names, int nnames);
/*
* Check a domain name. All checking schemes regsitered in `ctx' are
* applied in the regisration order.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
* idn_buffer_overflow -- output buffer is too small.
*/
extern idn_result_t
idn_checker_lookup(idn_checker_t ctx, const unsigned long *ucs4,
const unsigned long **found);
/*
* Checking procedure type.
*/
typedef idn_result_t (*idn_checker_createproc_t)(const char *parameter,
void **ctxp);
typedef void (*idn_checker_destroyproc_t)(void *ctx);
typedef idn_result_t (*idn_checker_lookupproc_t)(void *ctx,
const unsigned long *ucs4,
const unsigned long **found);
/*
* Register a new checking scheme.
*
* You can override the default normalization schemes, if you want.
*
* Returns:
* idn_success -- ok.
* idn_nomemory -- malloc failed.
*/
extern idn_result_t
idn_checker_register(const char *prefix,
idn_checker_createproc_t create,
idn_checker_destroyproc_t destroy,
idn_checker_lookupproc_t lookup);
#ifdef __cplusplus
}
#endif
#endif /* IDN_CHECKER_H */
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