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1 ## Copyright (C) 1996 Kurt Hornik |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation; either version 2, or (at your option) |
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8 ## any later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but |
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ## General Public License for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, write to the Free |
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17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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18 ## 02111-1307, USA. |
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19 |
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20 ## usage: m = str2mat (s1, ...) |
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21 ## |
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22 ## Forms the matrix M containing the strings S1, ... as its rows. |
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23 ## Each string is padded with blanks in order to form a valid matrix. |
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24 |
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25 ## Author: Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at> |
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26 ## Adapted-By: jwe |
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27 |
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28 function retval = str2mat (...) |
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29 |
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30 if (nargin == 0) |
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31 usage ("str2mat (s1, ...)"); |
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32 endif |
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33 |
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34 nc = 0; |
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35 nr = 0; |
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36 |
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37 va_start (); |
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38 |
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39 nr = zeros (nargin, 1); |
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40 nc = zeros (nargin, 1); |
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41 for k = 1 : nargin |
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42 s = va_arg (); |
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43 if (isstr (s)) |
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44 [nr(k), nc(k)] = size (s); |
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45 else |
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46 error ("str2mat: all arguments must be strings"); |
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47 endif |
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48 endfor |
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49 |
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50 nr(find (nr == 0)) = 1; |
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51 retval_nr = sum (nr); |
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52 retval_nc = max (nc); |
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53 |
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54 retval = setstr (ones (retval_nr, retval_nc) * toascii (" ")); |
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55 |
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56 va_start (); |
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57 |
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58 row_offset = 0; |
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59 for k = 1 : nargin |
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60 s = va_arg (); |
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61 if (nc(k) > 0) |
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62 retval ((row_offset + 1) : (row_offset + nr(k)), 1:nc(k)) = s; |
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63 endif |
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64 row_offset = row_offset + nr(k); |
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65 endfor |
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66 |
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67 endfunction |
