release/src/router/libncurses/menu/m_req_name.c

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  28
  29 /****************************************************************************
  30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
  31  ****************************************************************************/
  32
  33 /***************************************************************************
  34 * Module m_request_name                                                    *
  35 * Routines to handle external names of menu requests                       *
  36 ***************************************************************************/
  37
  38 #include "menu.priv.h"
  39
  40 MODULE_ID("$Id: m_req_name.c,v 1.23 2015/04/04 18:00:23 tom Exp $")
  41
  42 #define DATA(s) { s }
  43
  44 static const char request_names[MAX_MENU_COMMAND - MIN_MENU_COMMAND + 1][14] =
  45 {
  46   DATA("LEFT_ITEM"),
  47   DATA("RIGHT_ITEM"),
  48   DATA("UP_ITEM"),
  49   DATA("DOWN_ITEM"),
  50   DATA("SCR_ULINE"),
  51   DATA("SCR_DLINE"),
  52   DATA("SCR_DPAGE"),
  53   DATA("SCR_UPAGE"),
  54   DATA("FIRST_ITEM"),
  55   DATA("LAST_ITEM"),
  56   DATA("NEXT_ITEM"),
  57   DATA("PREV_ITEM"),
  58   DATA("TOGGLE_ITEM"),
  59   DATA("CLEAR_PATTERN"),
  60   DATA("BACK_PATTERN"),
  61   DATA("NEXT_MATCH"),
  62   DATA("PREV_MATCH")
  63 };
  64
  65 #define A_SIZE (sizeof(request_names)/sizeof(request_names[0]))
  66
  67 /*---------------------------------------------------------------------------
  68 |   Facility      :  libnmenu
  69 |   Function      :  const char * menu_request_name (int request);
  70 |
  71 |   Description   :  Get the external name of a menu request.
  72 |
  73 |   Return Values :  Pointer to name      - on success
  74 |                    NULL                 - on invalid request code
  75 +--------------------------------------------------------------------------*/
  76 NCURSES_EXPORT(const char *)
  77 menu_request_name(int request)
  78 {
  79   T((T_CALLED("menu_request_name(%d)"), request));
  80   if ((request < MIN_MENU_COMMAND) || (request > MAX_MENU_COMMAND))
  81     {
  82       SET_ERROR(E_BAD_ARGUMENT);
  83       returnCPtr((const char *)0);
  84     }
  85   else
  86     returnCPtr(request_names[request - MIN_MENU_COMMAND]);
  87 }
  88
  89 /*---------------------------------------------------------------------------
  90 |   Facility      :  libnmenu
  91 |   Function      :  int menu_request_by_name (const char *str);
  92 |
  93 |   Description   :  Search for a request with this name.
  94 |
  95 |   Return Values :  Request Id       - on success
  96 |                    E_NO_MATCH       - request not found
  97 +--------------------------------------------------------------------------*/
  98 NCURSES_EXPORT(int)
  99 menu_request_by_name(const char *str)
 100 {
 101   /* because the table is so small, it doesn't really hurt
 102      to run sequentially through it.
 103    */
 104   size_t i = 0;
 105   char buf[16];
 106
 107   T((T_CALLED("menu_request_by_name(%s)"), _nc_visbuf(str)));
 108
 109   if (str != 0 && (i = strlen(str)) != 0)
 110     {
 111       if (i > sizeof(buf) - 2)
 112         i = sizeof(buf) - 2;
 113       memcpy(buf, str, i);
 114       buf[i] = '\0';
 115
 116       for (i = 0; buf[i] != '\0'; ++i)
 117         {
 118           buf[i] = (char)toupper(UChar(buf[i]));
 119         }
 120
 121       for (i = 0; i < A_SIZE; i++)
 122         {
 123           if (strcmp(request_names[i], buf) == 0)
 124             returnCode(MIN_MENU_COMMAND + (int)i);
 125         }
 126     }
 127   RETURN(E_NO_MATCH);
 128 }
 129
 130 /* m_req_name.c ends here */