diff options
Diffstat (limited to 'form/fty_alnum.c')
| -rw-r--r-- | form/fty_alnum.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/form/fty_alnum.c b/form/fty_alnum.c new file mode 100644 index 000000000000..59dd2736e8ab --- /dev/null +++ b/form/fty_alnum.c @@ -0,0 +1,167 @@ +/**************************************************************************** + * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/*************************************************************************** +* * +* Author : Juergen Pfeifer * +* * +***************************************************************************/ + +#include "form.priv.h" + +MODULE_ID("$Id: fty_alnum.c,v 1.21 2007/10/13 19:31:52 tom Exp $") + +#define thisARG alnumARG + +typedef struct + { + int width; + } +thisARG; + +/*--------------------------------------------------------------------------- +| Facility : libnform +| Function : static void *Make_This_Type(va_list *ap) +| +| Description : Allocate structure for alphanumeric type argument. +| +| Return Values : Pointer to argument structure or NULL on error ++--------------------------------------------------------------------------*/ +static void * +Make_This_Type(va_list *ap) +{ + thisARG *argp = typeMalloc(thisARG, 1); + + if (argp) + { + T((T_CREATE("thisARG %p"), argp)); + argp->width = va_arg(*ap, int); + } + + return ((void *)argp); +} + +/*--------------------------------------------------------------------------- +| Facility : libnform +| Function : static void *Copy_ThisType(const void *argp) +| +| Description : Copy structure for alphanumeric type argument. +| +| Return Values : Pointer to argument structure or NULL on error. ++--------------------------------------------------------------------------*/ +static void * +Copy_This_Type(const void *argp) +{ + const thisARG *ap = (const thisARG *)argp; + thisARG *result = typeMalloc(thisARG, 1); + + if (result) + { + T((T_CREATE("thisARG %p"), result)); + *result = *ap; + } + + return ((void *)result); +} + +/*--------------------------------------------------------------------------- +| Facility : libnform +| Function : static void Free_This_Type(void *argp) +| +| Description : Free structure for alphanumeric type argument. +| +| Return Values : - ++--------------------------------------------------------------------------*/ +static void +Free_This_Type(void *argp) +{ + if (argp) + free(argp); +} + +/*--------------------------------------------------------------------------- +| Facility : libnform +| Function : static bool Check_This_Character( +| int c, +| const void *argp) +| +| Description : Check a character for the alphanumeric type. +| +| Return Values : TRUE - character is valid +| FALSE - character is invalid ++--------------------------------------------------------------------------*/ +static bool +Check_This_Character(int c, const void *argp GCC_UNUSED) +{ +#if USE_WIDEC_SUPPORT + if (iswalnum((wint_t) c)) + return TRUE; +#endif + return (isalnum(UChar(c)) ? TRUE : FALSE); +} + +/*--------------------------------------------------------------------------- +| Facility : libnform +| Function : static bool Check_This_Field( +| FIELD *field, +| const void *argp) +| +| Description : Validate buffer content to be a valid alphanumeric value +| +| Return Values : TRUE - field is valid +| FALSE - field is invalid ++--------------------------------------------------------------------------*/ +static bool +Check_This_Field(FIELD *field, const void *argp) +{ + int width = ((const thisARG *)argp)->width; + unsigned char *bp = (unsigned char *)field_buffer(field, 0); + bool result = (width < 0); + + Check_CTYPE_Field(result, bp, width, Check_This_Character); + return (result); +} + +static FIELDTYPE typeTHIS = +{ + _HAS_ARGS | _RESIDENT, + 1, /* this is mutable, so we can't be const */ + (FIELDTYPE *)0, + (FIELDTYPE *)0, + Make_This_Type, + Copy_This_Type, + Free_This_Type, + Check_This_Field, + Check_This_Character, + NULL, + NULL +}; + +NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_ALNUM = &typeTHIS; + +/* fty_alnum.c ends here */ |