Mercurial > octave-nkf
annotate scripts/pkg/private/get_forge_pkg.m @ 14138:72c96de7a403 stable
maint: update copyright notices for 2012
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 02 Jan 2012 14:25:41 -0500 |
| parents | d0b799dafede |
| children | aad7ad0e15c1 7ad3eea8a3af |
| rev | line source |
|---|---|
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14138
72c96de7a403
maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents:
12575
diff
changeset
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1 ## Copyright (C) 2010-2012 VZLU Prague, a.s. |
| 10684 | 2 ## |
| 11104 | 3 ## This file is part of Octave. |
| 10684 | 4 ## |
| 11104 | 5 ## Octave is free software; you can redistribute it and/or modify it |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 8 ## your option) any later version. | |
| 9 ## | |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 10684 | 14 ## |
| 15 ## You should have received a copy of the GNU General Public License | |
| 11104 | 16 ## along with Octave; see the file COPYING. If not, see |
| 10684 | 17 ## <http://www.gnu.org/licenses/>. |
| 18 | |
| 19 ## -*- texinfo -*- | |
|
10793
be55736a0783
Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents:
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20 ## @deftypefn {Function File} {[@var{ver}, @var{url}] =} get_forge_pkg (@var{name}) |
|
12575
d0b799dafede
Grammarcheck files for 3.4.1 release.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
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21 ## Try to discover the current version of an OctaveForge package from the web, |
| 10684 | 22 ## using a working internet connection and the urlread function. |
|
12575
d0b799dafede
Grammarcheck files for 3.4.1 release.
Rik <octave@nomad.inbox5.com>
parents:
12561
diff
changeset
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23 ## If two output arguments are requested, also return an address from which |
|
d0b799dafede
Grammarcheck files for 3.4.1 release.
Rik <octave@nomad.inbox5.com>
parents:
12561
diff
changeset
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24 ## to download the file. |
| 10684 | 25 ## @end deftypefn |
| 26 | |
| 27 function [ver, url] = get_forge_pkg (name) | |
| 28 if (nargin != 1) | |
| 29 print_usage (); | |
| 30 endif | |
| 31 ## Verify that name is valid. | |
| 32 if (! (ischar (name) && rows (name) == 1 && ndims (name) == 2)) | |
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11472
1740012184f9
Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
Rik <octave@nomad.inbox5.com>
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33 error ("get_forge_pkg: package NAME must be a string"); |
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10959
4f46520e2103
relax check in get_forge_pkg
Jaroslav Hajek <highegg@gmail.com>
parents:
10793
diff
changeset
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34 elseif (! all (isalnum (name) | name == "-" | name == "." | name == "_")) |
| 10684 | 35 error ("get_forge_pkg: invalid package name: %s", name); |
| 36 endif | |
| 37 | |
| 38 name = tolower (name); | |
| 39 | |
| 40 ## Try to download package's index page. | |
| 41 [html, succ] = urlread (sprintf ("http://octave.sourceforge.net/%s/index.html", name)); | |
| 42 if (succ) | |
| 43 ## Remove blanks for simpler matching. | |
| 44 html(isspace(html)) = []; | |
| 45 ## Good. Let's grep for the version. | |
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12468
46b3883d800c
fixed typo in PCRE style RE
Carlo de Falco <kingcrimson@tiscali.it>
parents:
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46 pat = "<tdclass=""package_table"">PackageVersion:</td><td>([\\d.]*)</td>"; |
|
11032
c9b0a75b02e8
Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents:
10959
diff
changeset
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47 t = regexp (html, pat, "tokens"); |
| 10684 | 48 if (isempty (t) || isempty(t{1})) |
|
11588
d5bd2766c640
style fixes for warning and error messages in script files
John W. Eaton <jwe@octave.org>
parents:
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changeset
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49 error ("get_forge_pkg: could not read version number from package's page"); |
| 10684 | 50 else |
| 51 ver = t{1}{1}; | |
| 52 if (nargout > 1) | |
| 53 # Build download string. | |
| 54 urlbase = "http://downloads.sourceforge.net/octave/%s-%s.tar.gz?download"; | |
| 55 url = sprintf (urlbase, name, ver); | |
| 56 ## Verify that the string exists on the page. | |
| 57 if (isempty (strfind (html, url))) | |
|
11588
d5bd2766c640
style fixes for warning and error messages in script files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
58 warning ("get_forge_pkg: download URL not verified"); |
| 10684 | 59 endif |
| 60 endif | |
| 61 endif | |
| 62 else | |
| 63 ## Try get the list of all packages. | |
| 64 [html, succ] = urlread ("http://octave.sourceforge.net/packages.php"); | |
| 65 if (succ) | |
|
11032
c9b0a75b02e8
Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents:
10959
diff
changeset
|
66 t = regexp (html, "<div class=""package"" id=""(\\w+)"">", "tokens"); |
| 10684 | 67 t = horzcat (t{:}); |
| 68 if (any (strcmp (t, name))) | |
|
11472
1740012184f9
Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
Rik <octave@nomad.inbox5.com>
parents:
11104
diff
changeset
|
69 error ("get_forge_pkg: package NAME exists, but index page not available"); |
| 10684 | 70 else |
| 71 ## Try a simplistic method to determine close names. | |
| 72 dist = cellfun (@(n) length (setdiff (name, n)), t); | |
| 73 [~, i] = min (dist); | |
| 74 error ("get_forge_pkg: package not found: ""%s"". Maybe you meant ""%s?""", name, t{i}); | |
| 75 endif | |
| 76 else | |
| 77 error ("get_forge_pkg: could not read URL, please verify internet connection"); | |
| 78 endif | |
| 79 endif | |
| 80 | |
| 81 endfunction |