162 lines
6.0 KiB
C
162 lines
6.0 KiB
C
/****************************************************************************
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* Copyright (c) 1998-2005,2006 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/***************************************************************************
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* *
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* Author : Juergen Pfeifer *
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* *
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***************************************************************************/
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#include "form.priv.h"
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MODULE_ID("$Id: fty_alnum.c,v 1.19 2006/04/22 21:33:05 tom Exp $")
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#define thisARG alnumARG
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typedef struct
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{
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int width;
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}
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thisARG;
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/*---------------------------------------------------------------------------
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| Facility : libnform
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| Function : static void *Make_This_Type(va_list *ap)
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| Description : Allocate structure for alphanumeric type argument.
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| Return Values : Pointer to argument structure or NULL on error
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+--------------------------------------------------------------------------*/
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static void *
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Make_This_Type(va_list *ap)
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{
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thisARG *argp = (thisARG *) malloc(sizeof(thisARG));
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if (argp)
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argp->width = va_arg(*ap, int);
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return ((void *)argp);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnform
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| Function : static void *Copy_ThisType(const void *argp)
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| Description : Copy structure for alphanumeric type argument.
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| Return Values : Pointer to argument structure or NULL on error.
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+--------------------------------------------------------------------------*/
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static void *
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Copy_This_Type(const void *argp)
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{
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const thisARG *ap = (const thisARG *)argp;
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thisARG *result = (thisARG *) malloc(sizeof(thisARG));
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if (result)
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*result = *ap;
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return ((void *)result);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnform
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| Function : static void Free_This_Type(void *argp)
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| Description : Free structure for alphanumeric type argument.
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| Return Values : -
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+--------------------------------------------------------------------------*/
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static void
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Free_This_Type(void *argp)
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{
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if (argp)
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free(argp);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnform
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| Function : static bool Check_This_Character(
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| int c,
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| const void *argp)
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| Description : Check a character for the alphanumeric type.
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| Return Values : TRUE - character is valid
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| FALSE - character is invalid
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+--------------------------------------------------------------------------*/
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static bool
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Check_This_Character(int c, const void *argp GCC_UNUSED)
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{
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#if USE_WIDEC_SUPPORT
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if (iswalnum((wint_t) c))
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return TRUE;
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#endif
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return (isalnum(UChar(c)) ? TRUE : FALSE);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnform
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| Function : static bool Check_This_Field(
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| FIELD *field,
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| const void *argp)
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| Description : Validate buffer content to be a valid alphanumeric value
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| Return Values : TRUE - field is valid
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| FALSE - field is invalid
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+--------------------------------------------------------------------------*/
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static bool
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Check_This_Field(FIELD *field, const void *argp)
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{
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int width = ((const thisARG *)argp)->width;
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unsigned char *bp = (unsigned char *)field_buffer(field, 0);
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bool result = (width < 0);
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Check_CTYPE_Field(result, bp, width, Check_This_Character);
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return (result);
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}
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static FIELDTYPE typeTHIS =
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{
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_HAS_ARGS | _RESIDENT,
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1, /* this is mutable, so we can't be const */
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(FIELDTYPE *)0,
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(FIELDTYPE *)0,
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Make_This_Type,
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Copy_This_Type,
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Free_This_Type,
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Check_This_Field,
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Check_This_Character,
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NULL,
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NULL
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};
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NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_ALNUM = &typeTHIS;
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/* fty_alnum.c ends here */
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