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annotate scripts/pkg/private/fix_depends.m @ 16403:1de4ec2a856d

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Matlab compatibility for strsplit() * scripts/strings/strsplit.m: Matlab compatible version. * NEWS: Mention break in backward compatibility. * scripts/deprecated/javafields.m: Modify call to strsplit(). * scripts/deprecated/javamethods.m: ditto * scripts/general/fieldnames.m: ditto * scripts/general/int2str.m: ditto * scripts/general/methods.m: ditto * scripts/general/num2str.m: ditto * scripts/help/gen_doc_cache.m: ditto * scripts/help/help.m: ditto * scripts/help/lookfor.m: ditto * scripts/io/strread.m: ditto * scripts/java/javaclasspath.m: ditto * scripts/miscellaneous/compare_versions.m: ditto * scripts/miscellaneous/computer.m: ditto * scripts/miscellaneous/fact.m: ditto * scripts/miscellaneous/tar.m: ditto * scripts/miscellaneous/unpack.m: ditto * scripts/miscellaneous/what.m: ditto * scripts/miscellaneous/zip.m: ditto * scripts/pkg/private/configure_make.m: ditto * scripts/pkg/private/fix_depends.m: ditto * scripts/pkg/private/generate_lookfor_cache.m: ditto * scripts/pkg/private/list_forge_packages.m: ditto * scripts/pkg/private/unload_packages.m: ditto * scripts/pkg/private/write_index.m: ditto * scripts/plot/private/__file_filter__.m: ditto * scripts/plot/private/__fltk_file_filter__.m: ditto * scripts/plot/private/__go_draw_axes__.m: ditto * scripts/plot/private/__next_line_style__.m: ditto * scripts/strings/untabify.m: ditto * scripts/testfun/rundemos.m: ditto * scripts/testfun/runtests.m: ditto
author Ben Abbott <bpabbott@mac.com>
date Sun, 31 Mar 2013 19:19:04 -0400
parents 6437fa7263dd
children b7667fcb9fbc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ## Copyright (C) 2005-2012 Søren Hauberg
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2 ## Copyright (C) 2010 VZLU Prague, a.s.
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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{deps_cell} =} fix_depends (@var{depends})
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22 ## Undocumented internal function.
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23 ## @end deftypefn
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24
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25 ## Make sure the depends field is of the right format.
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26 ## This function returns a cell of structures with the following fields:
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27 ## package, version, operator
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28 function deps_cell = fix_depends (depends)
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29 deps = strtrim (strsplit (tolower (depends), ",", false));
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30 deps_cell = cell (1, length (deps));
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31
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32 ## For each dependency.
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33 for i = 1:length (deps)
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34 dep = deps{i};
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35 lpar = find (dep == "(");
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36 rpar = find (dep == ")");
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37 ## Does the dependency specify a version
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38 ## Example: package(>= version).
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39 if (length (lpar) == 1 && length (rpar) == 1)
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40 package = tolower (strtrim (dep(1:lpar-1)));
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41 sub = dep(lpar(1)+1:rpar(1)-1);
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42 parts = strsplit (sub, " ", true);
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43 if (length (parts) != 2)
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44 error ("incorrect syntax for dependency '%s' in the DESCRIPTION file\n",
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45 dep);
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46 endif
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47 operator = parts{1};
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48 if (! any (strcmp (operator, {">", ">=", "<=", "<", "=="})))
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49 error ("unsupported operator: %s", operator);
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50 endif
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51 version = fix_version (parts{2});
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52
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53 ## If no version is specified for the dependency
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54 ## we say that the version should be greater than
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55 ## or equal to "0.0.0".
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56 else
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57 package = tolower (strtrim (dep));
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58 operator = ">=";
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59 version = "0.0.0";
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60 endif
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61 deps_cell{i} = struct ("package", package, "operator", operator,
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62 "version", version);
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63 endfor
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64 endfunction
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65