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annotate scripts/pkg/private/get_description.m @ 14479:05b59be209ed

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doc: grammarcheck new pkg/private functions * absolute_pathname.m, build.m, configure_make.m, copy_files.m, create_pkgadddel.m, describe.m, dirempty.m, extract_pkg.m, finish_installation.m, fix_depends.m, fix_version.m, generate_lookfor_cache.m, get_description.m, get_forge_download.m, get_unsatisfied_deps.m, getarch.m, getarchdir.m, getarchprefix.m, install.m, installed_packages.m, is_architecture_dependent.m, list_forge_packages.m, load_package_dirs.m, load_packages.m, load_packages_and_dependencies.m, packinfo_copy_file.m, parse_pkg_idx.m, prepare_installation.m, print_package_description.m, rebuild.m, repackage.m, save_order.m, shell.m, uninstall.m, unload_packages.m, verify_directory.m, write_index.m: grammarcheck new pkg/private functions
author Rik <octave@nomad.inbox5.com>
date Fri, 16 Mar 2012 17:50:42 -0700
parents a46b8b0bd325
children 5d3a684236b0
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{desc} =} get_description (@var{filename})
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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 ## Parse the DESCRIPTION file.
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26 function desc = get_description (filename)
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27 [fid, msg] = fopen (filename, "r");
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28 if (fid == -1)
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29 error ("the DESCRIPTION file %s could not be read: %s", filename, msg);
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30 endif
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31
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32 desc = struct ();
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33
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34 line = fgetl (fid);
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35 while (line != -1)
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36 if (line(1) == "#")
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37 ## Comments, do nothing.
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38 elseif (isspace(line(1)))
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39 ## Continuation lines
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40 if (exist ("keyword", "var") && isfield (desc, keyword))
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41 desc.(keyword) = cstrcat (desc.(keyword), " ", deblank (line));
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42 endif
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43 else
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44 ## Keyword/value pair
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45 colon = find (line == ":");
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46 if (length (colon) == 0)
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47 disp ("skipping line");
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48 else
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49 colon = colon(1);
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50 keyword = tolower (strtrim (line(1:colon-1)));
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51 value = strtrim (line (colon+1:end));
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52 if (length (value) == 0)
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53 fclose (fid);
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54 error ("The keyword `%s' of the package `%s' has an empty value",
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55 keyword, desc.name);
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56 endif
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57 desc.(keyword) = value;
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58 endif
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59 endif
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60 line = fgetl (fid);
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61 endwhile
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62 fclose (fid);
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63
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64 ## Make sure all is okay.
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65 needed_fields = {"name", "version", "date", "title", ...
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66 "author", "maintainer", "description"};
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67 for f = needed_fields
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68 if (! isfield (desc, f{1}))
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69 error ("description is missing needed field %s", f{1});
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70 endif
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71 endfor
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72 desc.version = fix_version (desc.version);
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73 if (isfield (desc, "depends"))
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74 desc.depends = fix_depends (desc.depends);
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75 else
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76 desc.depends = "";
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77 endif
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78 desc.name = tolower (desc.name);
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79 endfunction
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80