1 /* $OpenBSD: fty_alnum.c,v 1.10 2023年10月17日 09:52:10 nicm Exp $ */ 2 /**************************************************************************** 3 * Copyright 2020 Thomas E. Dickey * 4 * Copyright 1998-2009,2010 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /*************************************************************************** 32* * 33* Author : Juergen Pfeifer * 34* * 35***************************************************************************/ 36 37#include "form.priv.h" 38 39 MODULE_ID("$Id: fty_alnum.c,v 1.10 2023年10月17日 09:52:10 nicm Exp $") 40 41#define thisARG alnumARG 42 43 typedef struct 44 { 45 int width; 46 } 47 thisARG; 48 49 /*--------------------------------------------------------------------------- 50| Facility : libnform 51| Function : static void *Generic_This_Type(void *arg) 52| 53| Description : Allocate structure for alphanumeric type argument. 54| 55| Return Values : Pointer to argument structure or NULL on error 56+--------------------------------------------------------------------------*/ 57 static void * 58 Generic_This_Type(void *arg) 59{ 60 thisARG *argp = (thisARG *)0; 61 62 if (arg) 63 { 64 argp = typeMalloc(thisARG, 1); 65 66 if (argp) 67 { 68 T((T_CREATE("thisARG %p"), (void *)argp)); 69 argp->width = *((int *)arg); 70 } 71 } 72 return ((void *)argp); 73} 74 75 /*--------------------------------------------------------------------------- 76| Facility : libnform 77| Function : static void *Make_This_Type(va_list *ap) 78| 79| Description : Allocate structure for alphanumeric type argument. 80| 81| Return Values : Pointer to argument structure or NULL on error 82+--------------------------------------------------------------------------*/ 83 static void * 84 Make_This_Type(va_list *ap) 85{ 86 int w = va_arg(*ap, int); 87 88 return Generic_This_Type((void *)&w); 89} 90 91 /*--------------------------------------------------------------------------- 92| Facility : libnform 93| Function : static void *Copy_ThisType(const void *argp) 94| 95| Description : Copy structure for alphanumeric type argument. 96| 97| Return Values : Pointer to argument structure or NULL on error. 98+--------------------------------------------------------------------------*/ 99 static void * 100 Copy_This_Type(const void *argp) 101{ 102 const thisARG *ap = (const thisARG *)argp; 103 thisARG *result = typeMalloc(thisARG, 1); 104 105 if (result) 106 { 107 T((T_CREATE("thisARG %p"), (void *)result)); 108 *result = *ap; 109 } 110 111 return ((void *)result); 112} 113 114 /*--------------------------------------------------------------------------- 115| Facility : libnform 116| Function : static void Free_This_Type(void *argp) 117| 118| Description : Free structure for alphanumeric type argument. 119| 120| Return Values : - 121+--------------------------------------------------------------------------*/ 122 static void 123 Free_This_Type(void *argp) 124{ 125 if (argp) 126 free(argp); 127} 128 129 /*--------------------------------------------------------------------------- 130| Facility : libnform 131| Function : static bool Check_This_Character( 132| int c, 133| const void *argp) 134| 135| Description : Check a character for the alphanumeric type. 136| 137| Return Values : TRUE - character is valid 138| FALSE - character is invalid 139+--------------------------------------------------------------------------*/ 140 static bool 141 Check_This_Character(int c, const void *argp GCC_UNUSED) 142{ 143#if USE_WIDEC_SUPPORT 144 if (iswalnum((wint_t)c)) 145 return TRUE; 146#endif 147 return (isalnum(UChar(c)) ? TRUE : FALSE); 148} 149 150 /*--------------------------------------------------------------------------- 151| Facility : libnform 152| Function : static bool Check_This_Field( 153| FIELD *field, 154| const void *argp) 155| 156| Description : Validate buffer content to be a valid alphanumeric value 157| 158| Return Values : TRUE - field is valid 159| FALSE - field is invalid 160+--------------------------------------------------------------------------*/ 161 static bool 162 Check_This_Field(FIELD *field, const void *argp) 163{ 164 int width = ((const thisARG *)argp)->width; 165 unsigned char *bp = (unsigned char *)field_buffer(field, 0); 166 bool result = (width < 0); 167 168 Check_CTYPE_Field(result, bp, width, Check_This_Character); 169 return (result); 170} 171 172 static FIELDTYPE typeTHIS = 173{ 174 _HAS_ARGS | _RESIDENT, 175 1, /* this is mutable, so we can't be const */ 176 (FIELDTYPE *)0, 177 (FIELDTYPE *)0, 178 Make_This_Type, 179 Copy_This_Type, 180 Free_This_Type, 181 INIT_FT_FUNC(Check_This_Field), 182 INIT_FT_FUNC(Check_This_Character), 183 INIT_FT_FUNC(NULL), 184 INIT_FT_FUNC(NULL), 185#if NCURSES_INTEROP_FUNCS 186 Generic_This_Type 187#endif 188}; 189 190 FORM_EXPORT_VAR(FIELDTYPE *) TYPE_ALNUM = &typeTHIS; 191 192#if NCURSES_INTEROP_FUNCS 193 /* The next routines are to simplify the use of ncurses from 194 programming languages with restrictions on interop with C level 195 constructs (e.g. variable access or va_list + ellipsis constructs) 196*/ 197 FORM_EXPORT(FIELDTYPE *) 198 _nc_TYPE_ALNUM(void) 199{ 200 return TYPE_ALNUM; 201} 202#endif 203 204 /* fty_alnum.c ends here */ 205