xref: /freebsd/contrib/ncurses/menu/m_req_name.c (revision 96190b4fef3b4a0cc3ca0606b0c4e3e69a5e6717)
1 /****************************************************************************
2  * Copyright 2020,2021 Thomas E. Dickey                                     *
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29 
30 /****************************************************************************
31  *   Author:  Juergen Pfeifer, 1995,1997                                    *
32  ****************************************************************************/
33 
34 /***************************************************************************
35 * Module m_request_name                                                    *
36 * Routines to handle external names of menu requests                       *
37 ***************************************************************************/
38 
39 #include "menu.priv.h"
40 
41 MODULE_ID("$Id: m_req_name.c,v 1.27 2021/06/17 21:11:08 tom Exp $")
42 
43 #define DATA(s) { s }
44 
45 static const char request_names[MAX_MENU_COMMAND - MIN_MENU_COMMAND + 1][14] =
46 {
47   DATA("LEFT_ITEM"),
48   DATA("RIGHT_ITEM"),
49   DATA("UP_ITEM"),
50   DATA("DOWN_ITEM"),
51   DATA("SCR_ULINE"),
52   DATA("SCR_DLINE"),
53   DATA("SCR_DPAGE"),
54   DATA("SCR_UPAGE"),
55   DATA("FIRST_ITEM"),
56   DATA("LAST_ITEM"),
57   DATA("NEXT_ITEM"),
58   DATA("PREV_ITEM"),
59   DATA("TOGGLE_ITEM"),
60   DATA("CLEAR_PATTERN"),
61   DATA("BACK_PATTERN"),
62   DATA("NEXT_MATCH"),
63   DATA("PREV_MATCH")
64 };
65 
66 #define A_SIZE (sizeof(request_names)/sizeof(request_names[0]))
67 
68 /*---------------------------------------------------------------------------
69 |   Facility      :  libnmenu
70 |   Function      :  const char * menu_request_name (int request);
71 |
72 |   Description   :  Get the external name of a menu request.
73 |
74 |   Return Values :  Pointer to name      - on success
75 |                    NULL                 - on invalid request code
76 +--------------------------------------------------------------------------*/
77 MENU_EXPORT(const char *)
78 menu_request_name(int request)
79 {
80   T((T_CALLED("menu_request_name(%d)"), request));
81   if ((request < MIN_MENU_COMMAND) || (request > MAX_MENU_COMMAND))
82     {
83       SET_ERROR(E_BAD_ARGUMENT);
84       returnCPtr((const char *)0);
85     }
86   else
87     returnCPtr(request_names[request - MIN_MENU_COMMAND]);
88 }
89 
90 /*---------------------------------------------------------------------------
91 |   Facility      :  libnmenu
92 |   Function      :  int menu_request_by_name (const char *str);
93 |
94 |   Description   :  Search for a request with this name.
95 |
96 |   Return Values :  Request Id       - on success
97 |                    E_NO_MATCH       - request not found
98 +--------------------------------------------------------------------------*/
99 MENU_EXPORT(int)
100 menu_request_by_name(const char *str)
101 {
102   /* because the table is so small, it doesn't really hurt
103      to run sequentially through it.
104    */
105   size_t i = 0;
106 
107   T((T_CALLED("menu_request_by_name(%s)"), _nc_visbuf(str)));
108 
109   if (str != 0 && (i = strlen(str)) != 0)
110     {
111       char buf[16];
112 
113       if (i > sizeof(buf) - 2)
114 	i = sizeof(buf) - 2;
115       memcpy(buf, str, i);
116       buf[i] = '\0';
117 
118       for (i = 0; buf[i] != '\0'; ++i)
119 	{
120 	  buf[i] = (char)toupper(UChar(buf[i]));
121 	}
122 
123       for (i = 0; i < A_SIZE; i++)
124 	{
125 	  if (strcmp(request_names[i], buf) == 0)
126 	    returnCode(MIN_MENU_COMMAND + (int)i);
127 	}
128     }
129   RETURN(E_NO_MATCH);
130 }
131 
132 /* m_req_name.c ends here */
133