diff options
Diffstat (limited to 'contrib/ncurses/form/fty_num.c')
| -rw-r--r-- | contrib/ncurses/form/fty_num.c | 277 |
1 files changed, 184 insertions, 93 deletions
diff --git a/contrib/ncurses/form/fty_num.c b/contrib/ncurses/form/fty_num.c index 39659d1..cd09dfb 100644 --- a/contrib/ncurses/form/fty_num.c +++ b/contrib/ncurses/form/fty_num.c @@ -1,195 +1,286 @@ +/**************************************************************************** + * Copyright (c) 1998-2005,2006 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. * + ****************************************************************************/ -/* - * THIS CODE IS SPECIFICALLY EXEMPTED FROM THE NCURSES PACKAGE COPYRIGHT. - * You may freely copy it for use as a template for your own field types. - * If you develop a field type that might be of general use, please send - * it back to the ncurses maintainers for inclusion in the next version. - */ /*************************************************************************** * * -* Author : Juergen Pfeifer, juergen.pfeifer@gmx.net * +* Author : Juergen Pfeifer * * * ***************************************************************************/ #include "form.priv.h" -MODULE_ID("$Id: fty_num.c,v 1.14 2000/12/09 23:46:12 tom Exp $") +MODULE_ID("$Id: fty_num.c,v 1.23 2006/04/22 21:33:05 tom Exp $") #if HAVE_LOCALE_H #include <locale.h> #endif -typedef struct { - int precision; - double low; - double high; - struct lconv* L; -} numericARG; +#if HAVE_LOCALE_H +#define isDecimalPoint(c) ((c) == ((L && L->decimal_point) ? *(L->decimal_point) : '.')) +#else +#define isDecimalPoint(c) ((c) == '.') +#endif + +#if USE_WIDEC_SUPPORT +#define isDigit(c) (iswdigit((wint_t)(c)) || isdigit(UChar(c))) +#else +#define isDigit(c) isdigit(UChar(c)) +#endif + +#define thisARG numericARG + +typedef struct + { + int precision; + double low; + double high; + struct lconv *L; + } +thisARG; /*--------------------------------------------------------------------------- -| Facility : libnform -| Function : static void *Make_Numeric_Type(va_list * ap) -| +| Facility : libnform +| Function : static void *Make_This_Type(va_list * ap) +| | Description : Allocate structure for numeric type argument. | | Return Values : Pointer to argument structure or NULL on error +--------------------------------------------------------------------------*/ -static void *Make_Numeric_Type(va_list * ap) +static void * +Make_This_Type(va_list *ap) { - numericARG *argn = (numericARG *)malloc(sizeof(numericARG)); + thisARG *argn = (thisARG *) malloc(sizeof(thisARG)); if (argn) { - argn->precision = va_arg(*ap,int); - argn->low = va_arg(*ap,double); - argn->high = va_arg(*ap,double); + argn->precision = va_arg(*ap, int); + argn->low = va_arg(*ap, double); + argn->high = va_arg(*ap, double); + #if HAVE_LOCALE_H - argn->L = localeconv(); + argn->L = localeconv(); #else - argn->L = NULL; + argn->L = NULL; #endif } return (void *)argn; } /*--------------------------------------------------------------------------- -| Facility : libnform -| Function : static void *Copy_Numeric_Type(const void * argp) -| -| Description : Copy structure for numeric type argument. +| Facility : libnform +| Function : static void *Copy_This_Type(const void * argp) +| +| Description : Copy structure for numeric type argument. | | Return Values : Pointer to argument structure or NULL on error. +--------------------------------------------------------------------------*/ -static void *Copy_Numeric_Type(const void * argp) +static void * +Copy_This_Type(const void *argp) { - const numericARG *ap = (const numericARG *)argp; - numericARG *result = (numericARG *)0; + const thisARG *ap = (const thisARG *)argp; + thisARG *result = (thisARG *) 0; if (argp) { - result = (numericARG *)malloc(sizeof(numericARG)); + result = (thisARG *) malloc(sizeof(thisARG)); if (result) - *result = *ap; + *result = *ap; } return (void *)result; } /*--------------------------------------------------------------------------- -| Facility : libnform -| Function : static void Free_Numeric_Type(void * argp) -| +| Facility : libnform +| Function : static void Free_This_Type(void * argp) +| | Description : Free structure for numeric type argument. | | Return Values : - +--------------------------------------------------------------------------*/ -static void Free_Numeric_Type(void * argp) +static void +Free_This_Type(void *argp) { - if (argp) + if (argp) free(argp); } /*--------------------------------------------------------------------------- -| Facility : libnform -| Function : static bool Check_Numeric_Field(FIELD * field, -| const void * argp) -| +| Facility : libnform +| Function : static bool Check_This_Field(FIELD * field, +| const void * argp) +| | Description : Validate buffer content to be a valid numeric value | | Return Values : TRUE - field is valid | FALSE - field is invalid +--------------------------------------------------------------------------*/ -static bool Check_Numeric_Field(FIELD * field, const void * argp) +static bool +Check_This_Field(FIELD *field, const void *argp) { - const numericARG *argn = (const numericARG *)argp; - double low = argn->low; - double high = argn->high; - int prec = argn->precision; - unsigned char *bp = (unsigned char *)field_buffer(field,0); - char *s = (char *)bp; - double val = 0.0; - struct lconv* L = argn->L; + const thisARG *argn = (const thisARG *)argp; + double low = argn->low; + double high = argn->high; + int prec = argn->precision; + unsigned char *bp = (unsigned char *)field_buffer(field, 0); + char *s = (char *)bp; + double val = 0.0; + struct lconv *L = argn->L; char buf[64]; + bool result = FALSE; - while(*bp && *bp==' ') bp++; + while (*bp && *bp == ' ') + bp++; if (*bp) { - if (*bp=='-' || *bp=='+') + if (*bp == '-' || *bp == '+') bp++; - while(*bp) +#if USE_WIDEC_SUPPORT + if (*bp) { - if (!isdigit(*bp)) break; + bool blank = FALSE; + int state = 0; + int len; + int n; + wchar_t *list = _nc_Widen_String((char *)bp, &len); + + if (list != 0) + { + result = TRUE; + for (n = 0; n < len; ++n) + { + if (blank) + { + if (list[n] != ' ') + { + result = FALSE; + break; + } + } + else if (list[n] == ' ') + { + blank = TRUE; + } + else if (isDecimalPoint(list[n])) + { + if (++state > 1) + { + result = FALSE; + break; + } + } + else if (!isDigit(list[n])) + { + result = FALSE; + break; + } + } + free(list); + } + } +#else + while (*bp) + { + if (!isdigit(UChar(*bp))) + break; bp++; } - if (*bp==( -#if HAVE_LOCALE_H - (L && L->decimal_point) ? *(L->decimal_point) : -#endif - '.')) + if (isDecimalPoint(*bp)) { bp++; - while(*bp) + while (*bp) { - if (!isdigit(*bp)) break; + if (!isdigit(UChar(*bp))) + break; bp++; } } - while(*bp && *bp==' ') bp++; - if (*bp=='\0') + while (*bp && *bp == ' ') + bp++; + result = (*bp == '\0'); +#endif + if (result) { val = atof(s); - if (low<high) + if (low < high) + { + if (val < low || val > high) + result = FALSE; + } + if (result) { - if (val<low || val>high) return FALSE; + sprintf(buf, "%.*f", (prec > 0 ? prec : 0), val); + set_field_buffer(field, 0, buf); } - sprintf(buf,"%.*f",(prec>0?prec:0),val); - set_field_buffer(field,0,buf); - return TRUE; } } - return FALSE; + return (result); } /*--------------------------------------------------------------------------- -| Facility : libnform -| Function : static bool Check_Numeric_Character( +| Facility : libnform +| Function : static bool Check_This_Character( | int c, | const void * argp) -| +| | Description : Check a character for the numeric type. | | Return Values : TRUE - character is valid | FALSE - character is invalid +--------------------------------------------------------------------------*/ -static bool Check_Numeric_Character(int c, const void * argp) +static bool +Check_This_Character(int c, const void *argp) { - const numericARG *argn = (const numericARG *)argp; - struct lconv* L = argn->L; + const thisARG *argn = (const thisARG *)argp; + struct lconv *L = argn->L; - return (isdigit(c) || - c == '+' || - c == '-' || - c == ( -#if HAVE_LOCALE_H - (L && L->decimal_point) ? *(L->decimal_point) : -#endif - '.') - ) ? TRUE : FALSE; + return ((isDigit(c) || + c == '+' || + c == '-' || + isDecimalPoint(c)) + ? TRUE + : FALSE); } -static FIELDTYPE typeNUMERIC = { +static FIELDTYPE typeTHIS = +{ _HAS_ARGS | _RESIDENT, - 1, /* this is mutable, so we can't be const */ + 1, /* this is mutable, so we can't be const */ (FIELDTYPE *)0, (FIELDTYPE *)0, - Make_Numeric_Type, - Copy_Numeric_Type, - Free_Numeric_Type, - Check_Numeric_Field, - Check_Numeric_Character, + Make_This_Type, + Copy_This_Type, + Free_This_Type, + Check_This_Field, + Check_This_Character, NULL, NULL }; -NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_NUMERIC = &typeNUMERIC; +NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_NUMERIC = &typeTHIS; /* fty_num.c ends here */ |
