+/****************************************************************************
+ * Copyright 2020,2021 Thomas E. Dickey *
+ * Copyright 1998-2009,2010 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 *
#include "form.priv.h"
-MODULE_ID("$Id: fty_enum.c,v 1.19 2004/05/29 19:05:20 tom Exp $")
+MODULE_ID("$Id: fty_enum.c,v 1.33 2021/06/17 21:11:08 tom Exp $")
typedef struct
{
}
enumARG;
+typedef struct
+ {
+ char **kwds;
+ int ccase;
+ int cunique;
+ }
+enumParams;
+
/*---------------------------------------------------------------------------
-| Facility : libnform
-| Function : static void *Make_Enum_Type( va_list * ap )
-|
+| Facility : libnform
+| Function : static void *Generic_Enum_Type(void * arg)
+|
| Description : Allocate structure for enumeration type argument.
|
| Return Values : Pointer to argument structure or NULL on error
+--------------------------------------------------------------------------*/
static void *
-Make_Enum_Type(va_list *ap)
+Generic_Enum_Type(void *arg)
{
- enumARG *argp = (enumARG *)malloc(sizeof(enumARG));
+ enumARG *argp = (enumARG *)0;
+ enumParams *params = (enumParams *)arg;
- if (argp)
+ if (params)
{
- int cnt = 0;
- char **kp = (char **)0;
- int ccase, cunique;
+ argp = typeMalloc(enumARG, 1);
+
+ if (argp)
+ {
+ int cnt = 0;
+ char **kp = (char **)0;
+ char **kwds = (char **)0;
+ int ccase, cunique;
+
+ T((T_CREATE("enumARG %p"), (void *)argp));
+ kwds = params->kwds;
+ ccase = params->ccase;
+ cunique = params->cunique;
- argp->kwds = va_arg(*ap, char **);
- ccase = va_arg(*ap, int);
- cunique = va_arg(*ap, int);
+ argp->checkcase = ccase ? TRUE : FALSE;
+ argp->checkunique = cunique ? TRUE : FALSE;
+ argp->kwds = (char **)0;
- argp->checkcase = ccase ? TRUE : FALSE;
- argp->checkunique = cunique ? TRUE : FALSE;
+ kp = kwds;
+ while (kp && (*kp++))
+ cnt++;
+ argp->count = cnt;
- kp = argp->kwds;
- while (kp && (*kp++))
- cnt++;
- argp->count = cnt;
+ if (cnt > 0)
+ {
+ char **kptarget;
+
+ /* We copy the keywords, because we can't rely on the fact
+ that the caller doesn't relocate or free the memory used
+ for the keywords (maybe he has GC)
+ */
+ argp->kwds = typeMalloc(char *, cnt + 1);
+
+ kp = kwds;
+ if ((kptarget = argp->kwds) != 0)
+ {
+ while (kp && (*kp))
+ {
+ (*kptarget++) = strdup(*kp++);
+ }
+ *kptarget = (char *)0;
+ }
+ }
+ }
}
return (void *)argp;
}
/*---------------------------------------------------------------------------
-| Facility : libnform
+| Facility : libnform
+| Function : static void *Make_Enum_Type( va_list * ap )
+|
+| Description : Allocate structure for enumeration type argument.
+|
+| Return Values : Pointer to argument structure or NULL on error
++--------------------------------------------------------------------------*/
+static void *
+Make_Enum_Type(va_list *ap)
+{
+ enumParams params;
+
+ params.kwds = va_arg(*ap, char **);
+ params.ccase = va_arg(*ap, int);
+ params.cunique = va_arg(*ap, int);
+
+ return Generic_Enum_Type((void *)¶ms);
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
| Function : static void *Copy_Enum_Type( const void * argp )
-|
-| Description : Copy structure for enumeration type argument.
+|
+| Description : Copy structure for enumeration type argument.
|
| Return Values : Pointer to argument structure or NULL on error.
+--------------------------------------------------------------------------*/
{
const enumARG *ap = (const enumARG *)argp;
- result = (enumARG *)malloc(sizeof(enumARG));
+ result = typeMalloc(enumARG, 1);
if (result)
- *result = *ap;
+ {
+ T((T_CREATE("enumARG %p"), (void *)result));
+ *result = *ap;
+
+ if (ap->count > 0)
+ {
+ char **kptarget;
+ char **kp = ap->kwds;
+ result->kwds = typeMalloc(char *, 1 + ap->count);
+
+ if ((kptarget = result->kwds) != 0)
+ {
+ while (kp && (*kp))
+ {
+ (*kptarget++) = strdup(*kp++);
+ }
+ *kptarget = (char *)0;
+ }
+ }
+ }
}
return (void *)result;
}
/*---------------------------------------------------------------------------
-| Facility : libnform
+| Facility : libnform
| Function : static void Free_Enum_Type( void * argp )
-|
+|
| Description : Free structure for enumeration type argument.
|
| Return Values : -
Free_Enum_Type(void *argp)
{
if (argp)
- free(argp);
+ {
+ const enumARG *ap = (const enumARG *)argp;
+
+ if (ap->kwds && ap->count > 0)
+ {
+ char **kp = ap->kwds;
+ int cnt = 0;
+
+ while (kp && (*kp))
+ {
+ free(*kp++);
+ cnt++;
+ }
+ assert(cnt == ap->count);
+ free(ap->kwds);
+ }
+ free(argp);
+ }
}
#define SKIP_SPACE(x) while(((*(x))!='\0') && (is_blank(*(x)))) (x)++
#define EXACT 2
/*---------------------------------------------------------------------------
-| Facility : libnform
-| Function : static int Compare(const unsigned char * s,
+| Facility : libnform
+| Function : static int Compare(const unsigned char * s,
| const unsigned char * buf,
| bool ccase )
-|
+|
| Description : Check whether or not the text in 'buf' matches the
| text in 's', at least partial.
|
}
/*---------------------------------------------------------------------------
-| Facility : libnform
+| Facility : libnform
| Function : static bool Check_Enum_Field(
| FIELD * field,
| const void * argp)
-|
+|
| Description : Validate buffer content to be a valid enumeration value
|
| Return Values : TRUE - field is valid
bool unique = ((const enumARG *)argp)->checkunique;
unsigned char *bp = (unsigned char *)field_buffer(field, 0);
char *s, *t, *p;
- int res;
while (kwds && (s = (*kwds++)))
{
+ int res;
+
if ((res = Compare((unsigned char *)s, bp, ccase)) != NOMATCH)
{
p = t = s; /* t is at least a partial match */
{(char *)0};
/*---------------------------------------------------------------------------
-| Facility : libnform
+| Facility : libnform
| Function : static bool Next_Enum(FIELD * field,
| const void * argp)
-|
+|
| Description : Check for the next enumeration value
|
| Return Values : TRUE - next value found and loaded
}
/*---------------------------------------------------------------------------
-| Facility : libnform
+| Facility : libnform
| Function : static bool Previous_Enum(
| FIELD * field,
| const void * argp)
-|
+|
| Description : Check for the previous enumeration value
|
| Return Values : TRUE - previous value found and loaded
Make_Enum_Type,
Copy_Enum_Type,
Free_Enum_Type,
- Check_Enum_Field,
- NULL,
- Next_Enum,
- Previous_Enum
+ INIT_FT_FUNC(Check_Enum_Field),
+ INIT_FT_FUNC(NULL),
+ INIT_FT_FUNC(Next_Enum),
+ INIT_FT_FUNC(Previous_Enum),
+#if NCURSES_INTEROP_FUNCS
+ Generic_Enum_Type
+#endif
};
-NCURSES_EXPORT_VAR(FIELDTYPE *)
-TYPE_ENUM = &typeENUM;
+FORM_EXPORT_VAR(FIELDTYPE *) TYPE_ENUM = &typeENUM;
+
+#if NCURSES_INTEROP_FUNCS
+/* The next routines are to simplify the use of ncurses from
+ programming languages with restrictions on interop with C level
+ constructs (e.g. variable access or va_list + ellipsis constructs)
+*/
+FORM_EXPORT(FIELDTYPE *)
+_nc_TYPE_ENUM(void)
+{
+ return TYPE_ENUM;
+}
+#endif
/* fty_enum.c ends here */
projects / ncurses.git / blobdiff