diff options
Diffstat (limited to 'ncurses-5.3/Ada95/samples/ncurses2-getopt.adb')
-rw-r--r-- | ncurses-5.3/Ada95/samples/ncurses2-getopt.adb | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/ncurses-5.3/Ada95/samples/ncurses2-getopt.adb b/ncurses-5.3/Ada95/samples/ncurses2-getopt.adb deleted file mode 100644 index 306c44d..0000000 --- a/ncurses-5.3/Ada95/samples/ncurses2-getopt.adb +++ /dev/null @@ -1,168 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT ncurses Binding Samples -- --- -- --- ncurses -- --- -- --- B O D Y -- --- -- ------------------------------------------------------------------------------- --- Copyright (c) 2000 Free Software Foundation, Inc. -- --- -- --- Permission is hereby granted, free of charge, to any person obtaining a -- --- copy of this software and associated documentation files (the -- --- "Software"), to deal in the Software without restriction, including -- --- without limitation the rights to use, copy, modify, merge, publish, -- --- distribute, distribute with modifications, sublicense, and/or sell -- --- copies of the Software, and to permit persons to whom the Software is -- --- furnished to do so, subject to the following conditions: -- --- -- --- The above copyright notice and this permission notice shall be included -- --- in all copies or substantial portions of the Software. -- --- -- --- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -- --- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -- --- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -- --- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -- --- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -- --- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR -- --- THE USE OR OTHER DEALINGS IN THE SOFTWARE. -- --- -- --- Except as contained in this notice, the name(s) of the above copyright -- --- holders shall not be used in advertising or otherwise to promote the -- --- sale, use or other dealings in this Software without prior written -- --- authorization. -- ------------------------------------------------------------------------------- --- Author: Eugene V. Melaragno <aldomel@ix.netcom.com> 2000 --- Version Control --- $Revision$ --- Binding Version 01.00 ------------------------------------------------------------------------------- --- A simplified version of the GNU getopt function --- copyright Free Software Foundtion - -with Ada.Strings.Fixed; -with Ada.Strings.Bounded; -with Ada.Text_IO; use Ada.Text_IO; - -package body ncurses2.getopt is - - opterr : Character := Character'Val (1); - optopt : Character := '?'; - initialized : Boolean := False; - - nextchar : Natural := 0; - - -- Ncurses doesn't use the non option elements so we are spared - -- the job of computing those. - - -- also the user is not allowed to modify argv or argc - -- Doing so is Erroneous execution. - - -- longoptions are not handled. - - procedure Qgetopt (retval : out Integer; - argc : Integer; - argv : stringfunc; - -- argv will be the Argument function. - optstring : String; - optind : in out Integer; - -- ignored for ncurses, must be initialized to 1 by - -- the caller - Optarg : out stringa - -- a garbage colector would be useful here. - ) is - - package BS is new Ada.Strings.Bounded.Generic_Bounded_Length (200); - use BS; - optargx : Bounded_String; - begin - - if argc < optind then - retval := -1; - return; - end if; - - optargx := To_Bounded_String (""); - - if nextchar = 0 then - - if argv (optind) = "--" then - -- the rest are non-options, we ignore them - retval := -1; - return; - end if; - - if argv (optind)(1) /= '-' or argv (optind)'Length = 1 then - optind := optind + 1; - Optarg := new String'(argv (optind)); - retval := 1; - return; - end if; - - nextchar := 2; -- skip the one hyphen. - end if; - - -- Look at and handle the next short option-character. - declare - c : Character := argv (optind) (nextchar); - temp : Natural := - Ada.Strings.Fixed.Index (optstring, String'(1 => c)); - begin - if temp = 0 or c = ':' then - Put_Line (Standard_Error, - argv (optind) & ": invalid option -- " & c); - optopt := c; - c := '?'; - return; - end if; - - if optstring (temp + 1) = ':' then - if optstring (temp + 2) = ':' then - -- This is an option that accepts an argument optionally. - if nextchar /= argv (optind)'Length then - optargx := To_Bounded_String - (argv (optind) (nextchar .. argv (optind)'Length)); - else - Optarg := null; - end if; - else - -- This is an option that requires an argument. - if nextchar /= argv (optind)'Length then - optargx := To_Bounded_String - (argv (optind) (nextchar .. argv (optind)'Length)); - optind := optind + 1; - elsif optind = argc then - Put_Line (Standard_Error, - argv (optind) & - ": option requires an argument -- " & c); - optopt := c; - if optstring (1) = ':' then - c := ':'; - else - c := '?'; - end if; - else - -- increment it again when taking next ARGV-elt as argument. - optind := optind + 1; - optargx := To_Bounded_String (argv (optind)); - optind := optind + 1; - end if; - end if; - nextchar := 0; - else -- no argument for the option - if nextchar = argv (optind)'Length then - optind := optind + 1; - nextchar := 0; - else - nextchar := nextchar + 1; - end if; - end if; - - retval := Character'Pos (c); - Optarg := new String'(To_String (optargx)); - return; - end; - end Qgetopt; - -end ncurses2.getopt; |