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annotate scripts/pkg/private/installed_packages.m @ 14466:cfb0173fe1ca

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maint: Refactor pkg.m and move subfunctions to private/ directory. * pkg.m: move all sub-functions to private/ * pkg/private/absolute_pathname.m * pkg/private/build.m * pkg/private/configure_make.m * pkg/private/copy_files.m * pkg/private/create_pkgadddel.m * pkg/private/describe.m * pkg/private/dirempty.m * pkg/private/extract_pkg.m * pkg/private/finish_installation.m * pkg/private/fix_depends.m * pkg/private/fix_version.m * pkg/private/generate_lookfor_cache.m * pkg/private/get_description.m * pkg/private/get_forge_download.m * pkg/private/get_forge_pkg.m * pkg/private/getarch.m * pkg/private/getarchdir.m * pkg/private/getarchprefix.m * pkg/private/get_unsatisfied_deps.m * pkg/private/install.m * pkg/private/installed_packages.m * pkg/private/is_architecture_dependent.m * pkg/private/isautoload.m * pkg/private/issuperuser.m * pkg/private/list_forge_packages.m * pkg/private/load_package_dirs.m * pkg/private/load_packages.m * pkg/private/load_packages_and_dependencies.m * pkg/private/packinfo_copy_file.m * pkg/private/parse_pkg_idx.m * pkg/private/prepare_installation.m * pkg/private/print_package_description.m * pkg/private/rebuild.m * pkg/private/repackage.m * pkg/private/rm_rf.m * pkg/private/rstrip.m * pkg/private/save_order.m * pkg/private/shell.m * pkg/private/split_by.m * pkg/private/strip.m * pkg/private/uninstall.m * pkg/private/unload_packages.m * pkg/private/verify_directory.m * pkg/private/write_index.m
author Carlo de Falco <kingcrimson@tiscali.it>
date Thu, 15 Mar 2012 19:41:24 +0100
parents
children a46b8b0bd325
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14466
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1 ## Copyright (C) 2005-2012 S�ren 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{out1}, @var{out2}] =}@
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22 ## installed_packages (@var{local_list}, @var{global_list})
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23 ## Undocumented internal function.
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24 ## @end deftypefn
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25
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26 function [out1, out2] = installed_packages (local_list, global_list)
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27 ## Get the list of installed packages.
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28 try
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29 local_packages = load (local_list).local_packages;
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30 catch
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31 local_packages = {};
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32 end_try_catch
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33 try
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34 global_packages = load (global_list).global_packages;
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35 catch
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36 global_packages = {};
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37 end_try_catch
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38 installed_pkgs_lst = {local_packages{:}, global_packages{:}};
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39
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40 ## Eliminate duplicates in the installed package list.
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41 ## Locally installed packages take precedence.
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42 dup = [];
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43 for i = 1:length (installed_pkgs_lst)
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44 if (find (dup, i))
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45 continue;
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46 endif
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47 for j = (i+1):length (installed_pkgs_lst)
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48 if (find (dup, j))
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49 continue;
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50 endif
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51 if (strcmp (installed_pkgs_lst{i}.name, installed_pkgs_lst{j}.name))
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52 dup = [dup, j];
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53 endif
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54 endfor
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55 endfor
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56 if (! isempty(dup))
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57 installed_pkgs_lst(dup) = [];
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58 endif
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59
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60 ## Now check if the package is loaded.
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61 tmppath = strrep (path(), "\\", "/");
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62 for i = 1:length (installed_pkgs_lst)
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63 if (strfind (tmppath, strrep (installed_pkgs_lst{i}.dir, '\', '/')))
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64 installed_pkgs_lst{i}.loaded = true;
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65 else
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66 installed_pkgs_lst{i}.loaded = false;
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67 endif
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68 endfor
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69 for i = 1:length (local_packages)
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70 if (strfind (tmppath, strrep (local_packages{i}.dir, '\', '/')))
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71 local_packages{i}.loaded = true;
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72 else
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73 local_packages{i}.loaded = false;
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74 endif
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75 endfor
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76 for i = 1:length (global_packages)
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77 if (strfind (tmppath, strrep (global_packages{i}.dir, '\', '/')))
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78 global_packages{i}.loaded = true;
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79 else
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80 global_packages{i}.loaded = false;
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81 endif
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82 endfor
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83
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84 ## Should we return something?
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85 if (nargout == 2)
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86 out1 = local_packages;
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87 out2 = global_packages;
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88 return;
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89 elseif (nargout == 1)
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90 out1 = installed_pkgs_lst;
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91 return;
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92 endif
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93
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94 ## We shouldn't return something, so we'll print something.
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95 num_packages = length (installed_pkgs_lst);
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96 if (num_packages == 0)
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97 printf ("no packages installed.\n");
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98 return;
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99 endif
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100
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101 ## Compute the maximal lengths of name, version, and dir.
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102 h1 = "Package Name";
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103 h2 = "Version";
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104 h3 = "Installation directory";
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105 max_name_length = length (h1);
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106 max_version_length = length (h2);
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107 names = cell (num_packages, 1);
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108 for i = 1:num_packages
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109 max_name_length = max (max_name_length,
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110 length (installed_pkgs_lst{i}.name));
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111 max_version_length = max (max_version_length,
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112 length (installed_pkgs_lst{i}.version));
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113 names{i} = installed_pkgs_lst{i}.name;
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114 endfor
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115 max_dir_length = terminal_size()(2) - max_name_length - ...
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116 max_version_length - 7;
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117 if (max_dir_length < 20)
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Carlo de Falco <kingcrimson@tiscali.it>
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118 max_dir_length = Inf;
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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119 endif
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Carlo de Falco <kingcrimson@tiscali.it>
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120
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Carlo de Falco <kingcrimson@tiscali.it>
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121 h1 = postpad (h1, max_name_length + 1, " ");
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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122 h2 = postpad (h2, max_version_length, " ");;
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
123
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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124 ## Print a header.
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Carlo de Falco <kingcrimson@tiscali.it>
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125 header = sprintf("%s | %s | %s\n", h1, h2, h3);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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126 printf (header);
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Carlo de Falco <kingcrimson@tiscali.it>
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127 tmp = sprintf (repmat ("-", 1, length(header)-1));
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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128 tmp(length(h1)+2) = "+";
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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129 tmp(length(h1)+length(h2)+5) = "+";
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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130 printf ("%s\n", tmp);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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131
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Carlo de Falco <kingcrimson@tiscali.it>
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diff changeset
132 ## Print the packages.
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Carlo de Falco <kingcrimson@tiscali.it>
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133 format = sprintf ("%%%ds %%1s| %%%ds | %%s\n", max_name_length,
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
134 max_version_length);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
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135 [dummy, idx] = sort (names);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
136 for i = 1:num_packages
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
137 cur_name = installed_pkgs_lst{idx(i)}.name;
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
138 cur_version = installed_pkgs_lst{idx(i)}.version;
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
139 cur_dir = installed_pkgs_lst{idx(i)}.dir;
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
140 if (length (cur_dir) > max_dir_length)
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
141 first_char = length (cur_dir) - max_dir_length + 4;
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
142 first_filesep = strfind (cur_dir(first_char:end), filesep());
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
143 if (! isempty (first_filesep))
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
144 cur_dir = cstrcat ("...",
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
145 cur_dir((first_char + first_filesep(1) - 1):end));
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
146 else
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
147 cur_dir = cstrcat ("...", cur_dir(first_char:end));
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
148 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
149 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
150 if (installed_pkgs_lst{idx(i)}.loaded)
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
151 cur_loaded = "*";
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
152 else
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
153 cur_loaded = " ";
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
154 endif
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
155 printf (format, cur_name, cur_loaded, cur_version, cur_dir);
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
156 endfor
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Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
157 endfunction
cfb0173fe1ca maint: Refactor pkg.m and move subfunctions to private/ directory.
Carlo de Falco <kingcrimson@tiscali.it>
parents:
diff changeset
158