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1 ## Copyright (C) 2000, 2004, 2005, 2006, 2007 |
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2 ## Auburn University. All rights reserved. |
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3 ## |
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4 ## This file is part of Octave. |
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5 ## |
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6 ## Octave is free software; you can redistribute it and/or modify it |
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7 ## under the terms of the GNU General Public License as published by |
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8 ## the Free Software Foundation; either version 3 of the License, or (at |
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9 ## your option) any later version. |
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10 ## |
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11 ## Octave is distributed in the hope that it will be useful, but |
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 ## General Public License for more details. |
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15 ## |
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16 ## You should have received a copy of the GNU General Public License |
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17 ## along with Octave; see the file COPYING. If not, see |
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18 ## <http://www.gnu.org/licenses/>. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {[@var{idxvec}, @var{errmsg}] =} cellidx (@var{listvar}, @var{strlist}) |
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22 ## Return indices of string entries in @var{listvar} that match strings |
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23 ## in @var{strlist}. |
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24 ## |
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25 ## Both @var{listvar} and @var{strlist} may be passed as strings or |
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26 ## string matrices. If they are passed as string matrices, each entry |
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27 ## is processed by @code{deblank} prior to searching for the entries. |
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28 ## |
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29 ## The first output is the vector of indices in @var{listvar}. |
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30 ## |
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31 ## If @var{strlist} contains a string not in @var{listvar}, then |
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32 ## an error message is returned in @var{errmsg}. If only one output |
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33 ## argument is requested, then @var{cellidx} prints @var{errmsg} to the |
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34 ## screen and exits with an error. |
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35 ## @end deftypefn |
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36 |
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37 function [idxvec,errmsg] = cellidx (listvar, strlist) |
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38 |
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39 if (nargin != 2) |
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40 print_usage (); |
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41 endif |
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42 |
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43 if (ischar (strlist)) |
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44 tmp = strlist; |
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45 strlist = {}; |
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46 for kk = 1:rows(tmp) |
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47 strlist{kk} = deblank (tmp(kk,:)); |
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48 endfor |
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49 endif |
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50 |
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51 if (ischar (listvar)) |
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52 tmp = listvar; |
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53 listvar = {}; |
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54 for kk = 1:rows(tmp) |
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55 listvar{kk} = deblank (tmp(kk,:)); |
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56 endfor |
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57 endif |
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58 |
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59 ## initialize size of idxvec (for premature return) |
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60 idxvec = zeros (length(strlist), 1); |
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61 |
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62 errmsg = ""; |
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63 if (! is_signal_list (listvar)) |
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64 errmsg = "listvar must be a list of strings"; |
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65 elseif (! is_signal_list (strlist)) |
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66 errmsg = "strlist must be a list of strings"; |
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67 endif |
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68 |
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69 if (length (errmsg)) |
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70 if (nargout < 2) |
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71 error (errmsg); |
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72 else |
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73 return; |
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74 endif |
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75 endif |
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76 |
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77 nsigs = length(listvar); |
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78 for idx = 1:length(strlist) |
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79 signame = strlist{idx}; |
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80 for jdx = 1:nsigs |
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81 if (strcmp (signame, listvar{jdx}) ) |
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82 if (idxvec(idx) != 0) |
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83 warning ("Duplicate signal name %s (%d,%d)\n", |
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84 listvar{jdx}, jdx, idxvec(idx)); |
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85 else |
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86 idxvec(idx) = jdx; |
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87 endif |
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88 endif |
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89 endfor |
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90 if (idxvec(idx) == 0) |
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91 errmsg = sprintf ("Did not find %s", signame); |
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92 if (nargout == 1) |
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93 error (errmsg); |
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94 else |
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95 break; |
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96 endif |
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97 endif |
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98 endfor |
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99 |
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100 endfunction |
