lib/libterminfo/ti.c

   1 /* $NetBSD: ti.c,v 1.2 2010/02/04 09:46:26 roy Exp $ */
   2
   3 /*
   4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
   5  *
   6  * This id is derived from software contributed to The NetBSD Foundation
   7  * by Roy Marples.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source id must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __RCSID("$NetBSD: ti.c,v 1.2 2010/02/04 09:46:26 roy Exp $");
  32
  33 #include <assert.h>
  34 #include <string.h>
  35 #include <term_private.h>
  36 #include <term.h>
  37
  38 int
  39 ti_getflag(const TERMINAL *term, const char *id)
  40 {
  41         ssize_t ind;
  42         size_t i;
  43         TERMUSERDEF *ud;
  44
  45         _DIAGASSERT(term != NULL);
  46         _DIAGASSERT(id != NULL);
  47
  48         ind = _ti_flagindex(id);
  49         if (ind != -1)
  50                 return term->flags[ind];
  51         for (i = 0; i < term->_nuserdefs; i++) {
  52                 ud = &term->_userdefs[i];
  53                 if (ud->type == 'f' && strcmp(ud->id, id) == 0)
  54                         return ud->flag;
  55         }
  56         return ABSENT_BOOLEAN;
  57 }
  58
  59 int
  60 tigetflag(const char *id)
  61 {
  62
  63         _DIAGASSERT(id != NULL);
  64         if (cur_term != NULL)
  65                 return ti_getflag(cur_term, id);
  66         return ABSENT_BOOLEAN;
  67 }
  68
  69 int
  70 ti_getnum(const TERMINAL *term, const char *id)
  71 {
  72         ssize_t ind;
  73         size_t i;
  74         TERMUSERDEF *ud;
  75
  76         _DIAGASSERT(term != NULL);
  77         _DIAGASSERT(id != NULL);
  78
  79         ind = _ti_numindex(id);
  80         if (ind != -1) {
  81                 if (!VALID_NUMERIC(term->nums[ind]))
  82                         return ABSENT_NUMERIC;
  83                 return term->nums[ind];
  84         }
  85         for (i = 0; i < term->_nuserdefs; i++) {
  86                 ud = &term->_userdefs[i];
  87                 if (ud->type == 'n' && strcmp(ud->id, id) == 0) {
  88                         if (!VALID_NUMERIC(ud->num))
  89                             return ABSENT_NUMERIC;
  90                         return ud->num;
  91                 }
  92         }
  93         return CANCELLED_NUMERIC;
  94 }
  95
  96 int
  97 tigetnum(const char *id)
  98 {
  99
 100         _DIAGASSERT(id != NULL);
 101         if (cur_term != NULL)
 102                 return ti_getnum(cur_term, id);
 103         return CANCELLED_NUMERIC;
 104 }
 105
 106 const char *
 107 ti_getstr(const TERMINAL *term, const char *id)
 108 {
 109         ssize_t ind;
 110         size_t i;
 111         TERMUSERDEF *ud;
 112
 113         _DIAGASSERT(term != NULL);
 114         _DIAGASSERT(id != NULL);
 115
 116         ind = _ti_strindex(id);
 117         if (ind != -1)
 118                 return term->strs[ind];
 119         for (i = 0; i < term->_nuserdefs; i++) {
 120                 ud = &term->_userdefs[i];
 121                 if (ud->type == 's' && strcmp(ud->id, id) == 0)
 122                         return ud->str;
 123         }
 124         return (const char *)CANCELLED_STRING;
 125 }
 126
 127 char *
 128 tigetstr(const char *id)
 129 {
 130
 131         _DIAGASSERT(id != NULL);
 132         if (cur_term != NULL)
 133                 return __UNCONST(ti_getstr(cur_term, id));
 134         return (char *)CANCELLED_STRING;
 135 }