form/frm_req_name.c

   1 /****************************************************************************
   2  * Copyright 2020 Thomas E. Dickey                                          *
   3  * Copyright 1998-2012,2015 Free Software Foundation, Inc.                  *
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  29
  30 /****************************************************************************
  31  *   Author:  Juergen Pfeifer, 1995,1997                                    *
  32  ****************************************************************************/
  33
  34 /***************************************************************************
  35 * Module form_request_name                                                 *
  36 * Routines to handle external names of menu requests                       *
  37 ***************************************************************************/
  38
  39 #include "form.priv.h"
  40
  41 MODULE_ID("$Id: frm_req_name.c,v 1.20 2020/02/02 23:34:34 tom Exp $")
  42
  43 #define DATA(s) { s }
  44
  45 static const char request_names[MAX_FORM_COMMAND - MIN_FORM_COMMAND + 1][13] =
  46 {
  47   DATA("NEXT_PAGE"),
  48   DATA("PREV_PAGE"),
  49   DATA("FIRST_PAGE"),
  50   DATA("LAST_PAGE"),
  51
  52   DATA("NEXT_FIELD"),
  53   DATA("PREV_FIELD"),
  54   DATA("FIRST_FIELD"),
  55   DATA("LAST_FIELD"),
  56   DATA("SNEXT_FIELD"),
  57   DATA("SPREV_FIELD"),
  58   DATA("SFIRST_FIELD"),
  59   DATA("SLAST_FIELD"),
  60   DATA("LEFT_FIELD"),
  61   DATA("RIGHT_FIELD"),
  62   DATA("UP_FIELD"),
  63   DATA("DOWN_FIELD"),
  64
  65   DATA("NEXT_CHAR"),
  66   DATA("PREV_CHAR"),
  67   DATA("NEXT_LINE"),
  68   DATA("PREV_LINE"),
  69   DATA("NEXT_WORD"),
  70   DATA("PREV_WORD"),
  71   DATA("BEG_FIELD"),
  72   DATA("END_FIELD"),
  73   DATA("BEG_LINE"),
  74   DATA("END_LINE"),
  75   DATA("LEFT_CHAR"),
  76   DATA("RIGHT_CHAR"),
  77   DATA("UP_CHAR"),
  78   DATA("DOWN_CHAR"),
  79
  80   DATA("NEW_LINE"),
  81   DATA("INS_CHAR"),
  82   DATA("INS_LINE"),
  83   DATA("DEL_CHAR"),
  84   DATA("DEL_PREV"),
  85   DATA("DEL_LINE"),
  86   DATA("DEL_WORD"),
  87   DATA("CLR_EOL"),
  88   DATA("CLR_EOF"),
  89   DATA("CLR_FIELD"),
  90   DATA("OVL_MODE"),
  91   DATA("INS_MODE"),
  92   DATA("SCR_FLINE"),
  93   DATA("SCR_BLINE"),
  94   DATA("SCR_FPAGE"),
  95   DATA("SCR_BPAGE"),
  96   DATA("SCR_FHPAGE"),
  97   DATA("SCR_BHPAGE"),
  98   DATA("SCR_FCHAR"),
  99   DATA("SCR_BCHAR"),
 100   DATA("SCR_HFLINE"),
 101   DATA("SCR_HBLINE"),
 102   DATA("SCR_HFHALF"),
 103   DATA("SCR_HBHALF"),
 104
 105   DATA("VALIDATION"),
 106   DATA("NEXT_CHOICE"),
 107   DATA("PREV_CHOICE")
 108 };
 109
 110 #undef DATA
 111
 112 #define A_SIZE (sizeof(request_names)/sizeof(request_names[0]))
 113
 114 /*---------------------------------------------------------------------------
 115 |   Facility      :  libnform
 116 |   Function      :  const char * form_request_name (int request);
 117 |
 118 |   Description   :  Get the external name of a form request.
 119 |
 120 |   Return Values :  Pointer to name      - on success
 121 |                    NULL                 - on invalid request code
 122 +--------------------------------------------------------------------------*/
 123 NCURSES_EXPORT(const char *)
 124 form_request_name(int request)
 125 {
 126   T((T_CALLED("form_request_name(%d)"), request));
 127
 128   if ((request < MIN_FORM_COMMAND) || (request > MAX_FORM_COMMAND))
 129     {
 130       SET_ERROR(E_BAD_ARGUMENT);
 131       returnCPtr((const char *)0);
 132     }
 133   else
 134     returnCPtr(request_names[request - MIN_FORM_COMMAND]);
 135 }
 136
 137 /*---------------------------------------------------------------------------
 138 |   Facility      :  libnform
 139 |   Function      :  int form_request_by_name (const char *str);
 140 |
 141 |   Description   :  Search for a request with this name.
 142 |
 143 |   Return Values :  Request Id       - on success
 144 |                    E_NO_MATCH       - request not found
 145 +--------------------------------------------------------------------------*/
 146 NCURSES_EXPORT(int)
 147 form_request_by_name(const char *str)
 148 {
 149   /* because the table is so small, it doesn't really hurt
 150      to run sequentially through it.
 151    */
 152   size_t i = 0;
 153   char buf[16];                 /* longest name is 10 chars */
 154
 155   T((T_CALLED("form_request_by_name(%s)"), _nc_visbuf(str)));
 156
 157   if (str != 0 && (i = strlen(str)) != 0)
 158     {
 159       if (i > sizeof(buf) - 2)
 160         i = sizeof(buf) - 2;
 161       memcpy(buf, str, i);
 162       buf[i] = '\0';
 163
 164       for (i = 0; buf[i] != '\0'; ++i)
 165         {
 166           buf[i] = (char)toupper(UChar(buf[i]));
 167         }
 168
 169       for (i = 0; i < A_SIZE; i++)
 170         {
 171           if (strcmp(request_names[i], buf) == 0)
 172             returnCode(MIN_FORM_COMMAND + (int)i);
 173         }
 174     }
 175   RETURN(E_NO_MATCH);
 176 }
 177
 178 /* frm_req_name.c ends here */