1/**************************************************************************** 2 * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29/*************************************************************************** 30* * 31* Author : Juergen Pfeifer * 32* * 33***************************************************************************/ 34 35#include "form.priv.h" 36 37MODULE_ID("$Id: fty_alnum.c,v 1.24 2010/01/23 21:14:36 tom Exp $") 38 39#define thisARG alnumARG 40 41typedef struct 42 { 43 int width; 44 } 45thisARG; 46 47/*--------------------------------------------------------------------------- 48| Facility : libnform 49| Function : static void *Generic_This_Type(void *arg) 50| 51| Description : Allocate structure for alphanumeric type argument. 52| 53| Return Values : Pointer to argument structure or NULL on error 54+--------------------------------------------------------------------------*/ 55static void * 56Generic_This_Type(void *arg) 57{ 58 thisARG *argp = (thisARG *) 0; 59 60 if (arg) 61 { 62 argp = typeMalloc(thisARG, 1); 63 64 if (argp) 65 { 66 T((T_CREATE("thisARG %p"), (void *)argp)); 67 argp->width = *((int *)arg); 68 } 69 } 70 return ((void *)argp); 71} 72 73/*--------------------------------------------------------------------------- 74| Facility : libnform 75| Function : static void *Make_This_Type(va_list *ap) 76| 77| Description : Allocate structure for alphanumeric type argument. 78| 79| Return Values : Pointer to argument structure or NULL on error 80+--------------------------------------------------------------------------*/ 81static void * 82Make_This_Type(va_list *ap) 83{ 84 int w = va_arg(*ap, int); 85 86 return Generic_This_Type((void *)&w); 87} 88 89/*--------------------------------------------------------------------------- 90| Facility : libnform 91| Function : static void *Copy_ThisType(const void *argp) 92| 93| Description : Copy structure for alphanumeric type argument. 94| 95| Return Values : Pointer to argument structure or NULL on error. 96+--------------------------------------------------------------------------*/ 97static void * 98Copy_This_Type(const void *argp) 99{ 100 const thisARG *ap = (const thisARG *)argp; 101 thisARG *result = typeMalloc(thisARG, 1); 102 103 if (result) 104 { 105 T((T_CREATE("thisARG %p"), (void *)result)); 106 *result = *ap; 107 } 108 109 return ((void *)result); 110} 111 112/*--------------------------------------------------------------------------- 113| Facility : libnform 114| Function : static void Free_This_Type(void *argp) 115| 116| Description : Free structure for alphanumeric type argument. 117| 118| Return Values : - 119+--------------------------------------------------------------------------*/ 120static void 121Free_This_Type(void *argp) 122{ 123 if (argp) 124 free(argp); 125} 126 127/*--------------------------------------------------------------------------- 128| Facility : libnform 129| Function : static bool Check_This_Character( 130| int c, 131| const void *argp) 132| 133| Description : Check a character for the alphanumeric type. 134| 135| Return Values : TRUE - character is valid 136| FALSE - character is invalid 137+--------------------------------------------------------------------------*/ 138static bool 139Check_This_Character(int c, const void *argp GCC_UNUSED) 140{ 141#if USE_WIDEC_SUPPORT 142 if (iswalnum((wint_t) c)) 143 return TRUE; 144#endif 145 return (isalnum(UChar(c)) ? TRUE : FALSE); 146} 147 148/*--------------------------------------------------------------------------- 149| Facility : libnform 150| Function : static bool Check_This_Field( 151| FIELD *field, 152| const void *argp) 153| 154| Description : Validate buffer content to be a valid alphanumeric value 155| 156| Return Values : TRUE - field is valid 157| FALSE - field is invalid 158+--------------------------------------------------------------------------*/ 159static bool 160Check_This_Field(FIELD *field, const void *argp) 161{ 162 int width = ((const thisARG *)argp)->width; 163 unsigned char *bp = (unsigned char *)field_buffer(field, 0); 164 bool result = (width < 0); 165 166 Check_CTYPE_Field(result, bp, width, Check_This_Character); 167 return (result); 168} 169 170static FIELDTYPE typeTHIS = 171{ 172 _HAS_ARGS | _RESIDENT, 173 1, /* this is mutable, so we can't be const */ 174 (FIELDTYPE *)0, 175 (FIELDTYPE *)0, 176 Make_This_Type, 177 Copy_This_Type, 178 Free_This_Type, 179 INIT_FT_FUNC(Check_This_Field), 180 INIT_FT_FUNC(Check_This_Character), 181 INIT_FT_FUNC(NULL), 182 INIT_FT_FUNC(NULL), 183#if NCURSES_INTEROP_FUNCS 184 Generic_This_Type 185#endif 186}; 187 188NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_ALNUM = &typeTHIS; 189 190#if NCURSES_INTEROP_FUNCS 191/* The next routines are to simplify the use of ncurses from 192 programming languages with restictions on interop with C level 193 constructs (e.g. variable access or va_list + ellipsis constructs) 194*/ 195NCURSES_EXPORT(FIELDTYPE *) 196_nc_TYPE_ALNUM(void) 197{ 198 return TYPE_ALNUM; 199} 200#endif 201 202/* fty_alnum.c ends here */ 203