summaryrefslogtreecommitdiff
path: root/ncurses-5.2/form/fty_enum.c
diff options
context:
space:
mode:
Diffstat (limited to 'ncurses-5.2/form/fty_enum.c')
-rw-r--r--ncurses-5.2/form/fty_enum.c295
1 files changed, 0 insertions, 295 deletions
diff --git a/ncurses-5.2/form/fty_enum.c b/ncurses-5.2/form/fty_enum.c
deleted file mode 100644
index 8fc4cd7..0000000
--- a/ncurses-5.2/form/fty_enum.c
+++ /dev/null
@@ -1,295 +0,0 @@
-
-/*
- * 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 *
-* *
-***************************************************************************/
-
-#include "form.priv.h"
-
-MODULE_ID("$Id$")
-
-typedef struct {
- char **kwds;
- int count;
- bool checkcase;
- bool checkunique;
-} enumARG;
-
-/*---------------------------------------------------------------------------
-| 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)
-{
- enumARG *argp = (enumARG *)malloc(sizeof(enumARG));
-
- if (argp)
- {
- int cnt = 0;
- char **kp = (char **)0;
- int ccase, 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;
-
- kp = argp->kwds;
- while( kp && (*kp++) ) cnt++;
- argp->count = cnt;
- }
- return (void *)argp;
-}
-
-/*---------------------------------------------------------------------------
-| Facility : libnform
-| Function : static void *Copy_Enum_Type( const void * argp )
-|
-| Description : Copy structure for enumeration type argument.
-|
-| Return Values : Pointer to argument structure or NULL on error.
-+--------------------------------------------------------------------------*/
-static void *Copy_Enum_Type(const void * argp)
-{
- enumARG *result = (enumARG *)0;
-
- if (argp)
- {
- const enumARG *ap = (const enumARG *)argp;
-
- result = (enumARG *)malloc(sizeof(enumARG));
- if (result)
- *result = *ap;
- }
- return (void *)result;
-}
-
-/*---------------------------------------------------------------------------
-| Facility : libnform
-| Function : static void Free_Enum_Type( void * argp )
-|
-| Description : Free structure for enumeration type argument.
-|
-| Return Values : -
-+--------------------------------------------------------------------------*/
-static void Free_Enum_Type(void * argp)
-{
- if (argp)
- free(argp);
-}
-
-#define SKIP_SPACE(x) while(((*(x))!='\0') && (is_blank(*(x)))) (x)++
-#define NOMATCH 0
-#define PARTIAL 1
-#define EXACT 2
-
-/*---------------------------------------------------------------------------
-| Facility : libnform
-| Function : static int Compare(const unsigned char * s,
-| const unsigned char * buf,
-| bool ccase )
-|
-| Description : Check wether or not the text in 'buf' matches the
-| text in 's', at least partial.
-|
-| Return Values : NOMATCH - buffer doesn't match
-| PARTIAL - buffer matches partially
-| EXACT - buffer matches exactly
-+--------------------------------------------------------------------------*/
-static int Compare(const unsigned char *s, const unsigned char *buf,
- bool ccase)
-{
- SKIP_SPACE(buf); /* Skip leading spaces in both texts */
- SKIP_SPACE(s);
-
- if (*buf=='\0')
- {
- return (((*s)!='\0') ? NOMATCH : EXACT);
- }
- else
- {
- if (ccase)
- {
- while(*s++ == *buf)
- {
- if (*buf++=='\0') return EXACT;
- }
- }
- else
- {
- while(toupper(*s++)==toupper(*buf))
- {
- if (*buf++=='\0') return EXACT;
- }
- }
- }
- /* At this location buf points to the first character where it no longer
- matches with s. So if only blanks are following, we have a partial
- match otherwise there is no match */
- SKIP_SPACE(buf);
- if (*buf)
- return NOMATCH;
-
- /* If it happens that the reference buffer is at its end, the partial
- match is actually an exact match. */
- return ((s[-1]!='\0') ? PARTIAL : EXACT);
-}
-
-/*---------------------------------------------------------------------------
-| 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
-| FALSE - field is invalid
-+--------------------------------------------------------------------------*/
-static bool Check_Enum_Field(FIELD * field, const void * argp)
-{
- char **kwds = ((const enumARG *)argp)->kwds;
- bool ccase = ((const enumARG *)argp)->checkcase;
- 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++)) )
- {
- if ((res=Compare((unsigned char *)s,bp,ccase))!=NOMATCH)
- {
- p=t=s; /* t is at least a partial match */
- if ((unique && res!=EXACT))
- {
- while( kwds && (p = *kwds++) )
- {
- if ((res=Compare((unsigned char *)p,bp,ccase))!=NOMATCH)
- {
- if (res==EXACT)
- {
- t = p;
- break;
- }
- else
- t = (char *)0;
- }
- }
- }
- if (t)
- {
- set_field_buffer(field,0,t);
- return TRUE;
- }
- if (!p)
- break;
- }
- }
- return FALSE;
-}
-
-static const char *dummy[] = { (char *)0 };
-
-/*---------------------------------------------------------------------------
-| 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
-| FALSE - no next value loaded
-+--------------------------------------------------------------------------*/
-static bool Next_Enum(FIELD * field, const void * argp)
-{
- const enumARG *args = (const enumARG *)argp;
- char **kwds = args->kwds;
- bool ccase = args->checkcase;
- int cnt = args->count;
- unsigned char *bp = (unsigned char *)field_buffer(field,0);
-
- if (kwds) {
- while(cnt--)
- {
- if (Compare((unsigned char *)(*kwds++),bp,ccase)==EXACT)
- break;
- }
- if (cnt<=0)
- kwds = args->kwds;
- if ((cnt>=0) || (Compare((const unsigned char *)dummy,bp,ccase)==EXACT))
- {
- set_field_buffer(field,0,*kwds);
- return TRUE;
- }
- }
- return FALSE;
-}
-
-/*---------------------------------------------------------------------------
-| 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
-| FALSE - no previous value loaded
-+--------------------------------------------------------------------------*/
-static bool Previous_Enum(FIELD * field, const void * argp)
-{
- const enumARG *args = (const enumARG *)argp;
- int cnt = args->count;
- char **kwds = &args->kwds[cnt-1];
- bool ccase = args->checkcase;
- unsigned char *bp = (unsigned char *)field_buffer(field,0);
-
- if (kwds) {
- while(cnt--)
- {
- if (Compare((unsigned char *)(*kwds--),bp,ccase)==EXACT)
- break;
- }
-
- if (cnt<=0)
- kwds = &args->kwds[args->count-1];
-
- if ((cnt>=0) || (Compare((const unsigned char *)dummy,bp,ccase)==EXACT))
- {
- set_field_buffer(field,0,*kwds);
- return TRUE;
- }
- }
- return FALSE;
-}
-
-
-static FIELDTYPE typeENUM = {
- _HAS_ARGS | _HAS_CHOICE | _RESIDENT,
- 1, /* this is mutable, so we can't be const */
- (FIELDTYPE *)0,
- (FIELDTYPE *)0,
- Make_Enum_Type,
- Copy_Enum_Type,
- Free_Enum_Type,
- Check_Enum_Field,
- NULL,
- Next_Enum,
- Previous_Enum
-};
-
-FIELDTYPE* TYPE_ENUM = &typeENUM;
-
-/* fty_enum.c ends here */