Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame^] | 1 | /**************************************************************************** |
| 2 | * Copyright (c) 1998-2006,2007 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 | |
| 37 | MODULE_ID("$Id: fty_alpha.c,v 1.23 2007/10/13 19:32:09 tom Exp $") |
| 38 | |
| 39 | #define thisARG alphaARG |
| 40 | |
| 41 | typedef struct |
| 42 | { |
| 43 | int width; |
| 44 | } |
| 45 | thisARG; |
| 46 | |
| 47 | /*--------------------------------------------------------------------------- |
| 48 | | Facility : libnform |
| 49 | | Function : static void *Make_This_Type(va_list *ap) |
| 50 | | |
| 51 | | Description : Allocate structure for alpha type argument. |
| 52 | | |
| 53 | | Return Values : Pointer to argument structure or NULL on error |
| 54 | +--------------------------------------------------------------------------*/ |
| 55 | static void * |
| 56 | Make_This_Type(va_list *ap) |
| 57 | { |
| 58 | thisARG *argp = typeMalloc(thisARG, 1); |
| 59 | |
| 60 | if (argp) |
| 61 | { |
| 62 | T((T_CREATE("thisARG %p"), argp)); |
| 63 | argp->width = va_arg(*ap, int); |
| 64 | } |
| 65 | |
| 66 | return ((void *)argp); |
| 67 | } |
| 68 | |
| 69 | /*--------------------------------------------------------------------------- |
| 70 | | Facility : libnform |
| 71 | | Function : static void *Copy_This_Type(const void * argp) |
| 72 | | |
| 73 | | Description : Copy structure for alpha type argument. |
| 74 | | |
| 75 | | Return Values : Pointer to argument structure or NULL on error. |
| 76 | +--------------------------------------------------------------------------*/ |
| 77 | static void * |
| 78 | Copy_This_Type(const void *argp) |
| 79 | { |
| 80 | const thisARG *ap = (const thisARG *)argp; |
| 81 | thisARG *result = typeMalloc(thisARG, 1); |
| 82 | |
| 83 | if (result) |
| 84 | { |
| 85 | T((T_CREATE("thisARG %p"), result)); |
| 86 | *result = *ap; |
| 87 | } |
| 88 | |
| 89 | return ((void *)result); |
| 90 | } |
| 91 | |
| 92 | /*--------------------------------------------------------------------------- |
| 93 | | Facility : libnform |
| 94 | | Function : static void Free_This_Type(void *argp) |
| 95 | | |
| 96 | | Description : Free structure for alpha type argument. |
| 97 | | |
| 98 | | Return Values : - |
| 99 | +--------------------------------------------------------------------------*/ |
| 100 | static void |
| 101 | Free_This_Type(void *argp) |
| 102 | { |
| 103 | if (argp) |
| 104 | free(argp); |
| 105 | } |
| 106 | |
| 107 | /*--------------------------------------------------------------------------- |
| 108 | | Facility : libnform |
| 109 | | Function : static bool Check_This_Character( |
| 110 | | int c, |
| 111 | | const void *argp) |
| 112 | | |
| 113 | | Description : Check a character for the alpha type. |
| 114 | | |
| 115 | | Return Values : TRUE - character is valid |
| 116 | | FALSE - character is invalid |
| 117 | +--------------------------------------------------------------------------*/ |
| 118 | static bool |
| 119 | Check_This_Character(int c, const void *argp GCC_UNUSED) |
| 120 | { |
| 121 | #if USE_WIDEC_SUPPORT |
| 122 | if (iswalpha((wint_t) c)) |
| 123 | return TRUE; |
| 124 | #endif |
| 125 | return (isalpha(UChar(c)) ? TRUE : FALSE); |
| 126 | } |
| 127 | |
| 128 | /*--------------------------------------------------------------------------- |
| 129 | | Facility : libnform |
| 130 | | Function : static bool Check_This_Field( |
| 131 | | FIELD *field, |
| 132 | | const void *argp) |
| 133 | | |
| 134 | | Description : Validate buffer content to be a valid alpha value |
| 135 | | |
| 136 | | Return Values : TRUE - field is valid |
| 137 | | FALSE - field is invalid |
| 138 | +--------------------------------------------------------------------------*/ |
| 139 | static bool |
| 140 | Check_This_Field(FIELD *field, const void *argp) |
| 141 | { |
| 142 | int width = ((const thisARG *)argp)->width; |
| 143 | unsigned char *bp = (unsigned char *)field_buffer(field, 0); |
| 144 | bool result = (width < 0); |
| 145 | |
| 146 | Check_CTYPE_Field(result, bp, width, Check_This_Character); |
| 147 | return (result); |
| 148 | } |
| 149 | |
| 150 | static FIELDTYPE typeTHIS = |
| 151 | { |
| 152 | _HAS_ARGS | _RESIDENT, |
| 153 | 1, /* this is mutable, so we can't be const */ |
| 154 | (FIELDTYPE *)0, |
| 155 | (FIELDTYPE *)0, |
| 156 | Make_This_Type, |
| 157 | Copy_This_Type, |
| 158 | Free_This_Type, |
| 159 | Check_This_Field, |
| 160 | Check_This_Character, |
| 161 | NULL, |
| 162 | NULL |
| 163 | }; |
| 164 | |
| 165 | NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_ALPHA = &typeTHIS; |
| 166 | |
| 167 | /* fty_alpha.c ends here */ |