3430
|
1 ## Copyright (C) 1996, 1998 Auburn University. All rights reserved. |
|
2 ## |
|
3 ## This file is part of Octave. |
|
4 ## |
|
5 ## Octave is free software; you can redistribute it and/or modify it |
|
6 ## under the terms of the GNU General Public License as published by the |
|
7 ## Free Software Foundation; either version 2, or (at your option) any |
|
8 ## later version. |
|
9 ## |
|
10 ## Octave is distributed in the hope that it will be useful, but WITHOUT |
|
11 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
12 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
13 ## for more details. |
|
14 ## |
|
15 ## You should have received a copy of the GNU General Public License |
|
16 ## along with Octave; see the file COPYING. If not, write to the Free |
|
17 ## Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. |
|
18 |
|
19 ## idxvec = sysidx (sys, sigtype, signamelist) |
|
20 ## return indices of signals with specified signal names |
|
21 ## inputs: |
|
22 ## sys: OCST system data structure |
|
23 ## sigtype: signal type to be selected: "in", "out", "st" |
|
24 ## signamelist: list of desired signal names |
|
25 ## outputs: |
|
26 ## idxvec: vector of signal indices (appropriate for use with sysprune) |
|
27 |
|
28 function idxvec = sysidx (sys, sigtype, signamelist) |
|
29 |
|
30 if (nargin != 3) |
|
31 usage ("idxvec = sysidx (sys, sigtype, signamelist)"); |
|
32 elseif (! is_struct (sys)) |
|
33 error ("sys must be a system data structure"); |
|
34 elseif (! isstr (sigtype)) |
|
35 error ("sigtype must be a string"); |
|
36 elseif (rows (sigtype) != 1) |
|
37 [nr, nc] = size (sigtype); |
|
38 error ("sigtype (%d x %d) must be a single string", nr, nc); |
|
39 endif |
|
40 |
|
41 ## extract correct set of signal names values |
|
42 [idxvec, msg] = listidx (list ("in", "out", "st", "yd"), sigtype); |
|
43 if (msg) |
|
44 error ("invalid sigtype = %s", sigtype); |
|
45 endif |
|
46 |
|
47 syssiglist = sysgetsignals (sys, sigtype); |
|
48 [idxvec, msg] = listidx (syssiglist, signamelist); |
|
49 if (length (msg)) |
|
50 error ("sysidx (sigtype = %s): %s", sigtype, |
|
51 strrep (msg, "strlist", "signamelist")); |
|
52 endif |
|
53 |
|
54 endfunction |