diff options
Diffstat (limited to 'contrib/ncurses/form/fty_regex.c')
| -rw-r--r-- | contrib/ncurses/form/fty_regex.c | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/contrib/ncurses/form/fty_regex.c b/contrib/ncurses/form/fty_regex.c deleted file mode 100644 index 247779f..0000000 --- a/contrib/ncurses/form/fty_regex.c +++ /dev/null @@ -1,306 +0,0 @@ -/**************************************************************************** - * 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_regex.c,v 1.21 2007/10/13 19:33:50 tom Exp $") - -#if HAVE_REGEX_H_FUNCS /* We prefer POSIX regex */ -#include <regex.h> - -typedef struct - { - regex_t *pRegExp; - unsigned long *refCount; - } -RegExp_Arg; - -#elif HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS -#undef RETURN -static int reg_errno; - -static char * -RegEx_Init(char *instring) -{ - reg_errno = 0; - return instring; -} - -static char * -RegEx_Error(int code) -{ - reg_errno = code; - return 0; -} - -#define INIT register char *sp = RegEx_Init(instring); -#define GETC() (*sp++) -#define PEEKC() (*sp) -#define UNGETC(c) (--sp) -#define RETURN(c) return(c) -#define ERROR(c) return RegEx_Error(c) - -#if HAVE_REGEXP_H_FUNCS -#include <regexp.h> -#else -#include <regexpr.h> -#endif - -typedef struct -{ - char *compiled_expression; - unsigned long *refCount; -} -RegExp_Arg; - -/* Maximum Length we allow for a compiled regular expression */ -#define MAX_RX_LEN (2048) -#define RX_INCREMENT (256) - -#endif - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : static void *Make_RegularExpression_Type(va_list * ap) -| -| Description : Allocate structure for regex type argument. -| -| Return Values : Pointer to argument structure or NULL on error -+--------------------------------------------------------------------------*/ -static void * -Make_RegularExpression_Type(va_list *ap) -{ -#if HAVE_REGEX_H_FUNCS - char *rx = va_arg(*ap, char *); - RegExp_Arg *preg; - - preg = typeMalloc(RegExp_Arg, 1); - - if (preg) - { - T((T_CREATE("RegExp_Arg %p"), preg)); - if (((preg->pRegExp = typeMalloc(regex_t, 1)) != 0) - && !regcomp(preg->pRegExp, rx, - (REG_EXTENDED | REG_NOSUB | REG_NEWLINE))) - { - T((T_CREATE("regex_t %p"), preg->pRegExp)); - preg->refCount = typeMalloc(unsigned long, 1); - - *(preg->refCount) = 1; - } - else - { - if (preg->pRegExp) - free(preg->pRegExp); - free(preg); - preg = (RegExp_Arg *)0; - } - } - return ((void *)preg); -#elif HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS - char *rx = va_arg(*ap, char *); - RegExp_Arg *pArg; - - pArg = typeMalloc(RegExp_Arg, 1); - - if (pArg) - { - int blen = RX_INCREMENT; - - T((T_CREATE("RegExp_Arg %p"), pArg)); - pArg->compiled_expression = NULL; - pArg->refCount = typeMalloc(unsigned long, 1); - - *(pArg->refCount) = 1; - - do - { - char *buf = typeMalloc(char, blen); - - if (buf) - { -#if HAVE_REGEXP_H_FUNCS - char *last_pos = compile(rx, buf, &buf[blen], '\0'); - -#else /* HAVE_REGEXPR_H_FUNCS */ - char *last_pos = compile(rx, buf, &buf[blen]); -#endif - if (reg_errno) - { - free(buf); - if (reg_errno == 50) - blen += RX_INCREMENT; - else - { - free(pArg); - pArg = NULL; - break; - } - } - else - { - pArg->compiled_expression = buf; - break; - } - } - } - while (blen <= MAX_RX_LEN); - } - if (pArg && !pArg->compiled_expression) - { - free(pArg); - pArg = NULL; - } - return (void *)pArg; -#else - return 0; -#endif -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : static void *Copy_RegularExpression_Type( -| const void * argp) -| -| Description : Copy structure for regex type argument. -| -| Return Values : Pointer to argument structure or NULL on error. -+--------------------------------------------------------------------------*/ -static void * -Copy_RegularExpression_Type(const void *argp) -{ -#if (HAVE_REGEX_H_FUNCS | HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS) - const RegExp_Arg *ap = (const RegExp_Arg *)argp; - const RegExp_Arg *result = (const RegExp_Arg *)0; - - if (ap) - { - *(ap->refCount) += 1; - result = ap; - } - return (void *)result; -#else - return 0; -#endif -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : static void Free_RegularExpression_Type(void * argp) -| -| Description : Free structure for regex type argument. -| -| Return Values : - -+--------------------------------------------------------------------------*/ -static void -Free_RegularExpression_Type(void *argp) -{ -#if HAVE_REGEX_H_FUNCS | HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS - RegExp_Arg *ap = (RegExp_Arg *)argp; - - if (ap) - { - if (--(*(ap->refCount)) == 0) - { -#if HAVE_REGEX_H_FUNCS - if (ap->pRegExp) - { - free(ap->refCount); - regfree(ap->pRegExp); - } -#elif HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS - if (ap->compiled_expression) - { - free(ap->refCount); - free(ap->compiled_expression); - } -#endif - free(ap); - } - } -#endif -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : static bool Check_RegularExpression_Field( -| FIELD * field, -| const void * argp) -| -| Description : Validate buffer content to be a valid regular expression -| -| Return Values : TRUE - field is valid -| FALSE - field is invalid -+--------------------------------------------------------------------------*/ -static bool -Check_RegularExpression_Field(FIELD *field, const void *argp) -{ - bool match = FALSE; - -#if HAVE_REGEX_H_FUNCS - const RegExp_Arg *ap = (const RegExp_Arg *)argp; - - if (ap && ap->pRegExp) - match = (regexec(ap->pRegExp, field_buffer(field, 0), 0, NULL, 0) - ? FALSE - : TRUE); -#elif HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS - RegExp_Arg *ap = (RegExp_Arg *)argp; - - if (ap && ap->compiled_expression) - match = (step(field_buffer(field, 0), ap->compiled_expression) - ? TRUE - : FALSE); -#endif - return match; -} - -static FIELDTYPE typeREGEXP = -{ - _HAS_ARGS | _RESIDENT, - 1, /* this is mutable, so we can't be const */ - (FIELDTYPE *)0, - (FIELDTYPE *)0, - Make_RegularExpression_Type, - Copy_RegularExpression_Type, - Free_RegularExpression_Type, - Check_RegularExpression_Field, - NULL, - NULL, - NULL -}; - -NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_REGEXP = &typeREGEXP; - -/* fty_regex.c ends here */ |
