2021-01-26 18:17:00 -05:00
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;;; url-about.el --- Show internal URLs -*- lexical-binding: t; -*-
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2004-04-12 04:01:43 +00:00
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2022-08-02 14:00:50 +02:00
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;; Copyright (C) 2001-2022 Free Software Foundation, Inc.
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2004-04-12 04:01:43 +00:00
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2004-04-04 01:21:46 +00:00
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;; Keywords: comm, data, processes, hypermedia
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2022-08-04 11:14:18 +02:00
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;; Obsolete-since: 29.1
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2004-04-04 01:21:46 +00:00
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2004-04-12 04:01:43 +00:00
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;; This file is part of GNU Emacs.
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;;
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2008-05-06 04:29:13 +00:00
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;; GNU Emacs is free software: you can redistribute it and/or modify
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2004-04-12 04:01:43 +00:00
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;; it under the terms of the GNU General Public License as published by
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2008-05-06 04:29:13 +00:00
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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2004-04-12 04:01:43 +00:00
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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2008-05-06 04:29:13 +00:00
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2004-04-12 04:01:43 +00:00
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;; You should have received a copy of the GNU General Public License
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2017-09-13 15:52:52 -07:00
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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2004-04-12 04:01:43 +00:00
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;;; Commentary:
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;;; Code:
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2004-04-04 01:21:46 +00:00
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(require 'url-util)
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(require 'url-parse)
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(defun url-probe-protocols ()
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"Return a list of all potential URL schemes."
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2004-04-04 01:21:46 +00:00
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(or (get 'url-extension-protocols 'probed)
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(mapc (lambda (s) (url-scheme-get-property s 'name))
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(or (get 'url-extension-protocols 'schemes)
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2022-09-03 07:23:08 +02:00
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(let ((schemes '("info" "man" "telnet"
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"tn3270" "data" "snews")))
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(mapc (lambda (d)
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(mapc (lambda (f)
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(if (string-match "url-\\(.*\\).el$" f)
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(push (match-string 1 f) schemes)))
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Fix edge case errors in filename-matching regexps
These changes fix actual or latent bugs in regexps that match
file names, such as PATTERN arguments to 'directory-files'. See
https://lists.gnu.org/archive/html/emacs-devel/2020-04/msg00265.html
* admin/authors.el (authors-obsolete-files-regexps)
(authors-renamed-files-regexps):
* lisp/auth-source-pass.el (auth-source-pass-entries):
* lisp/calendar/todo-mode.el (todo-show, todo-find-filtered-items-file)
(todo-filter-items, todo-reset-nondiary-marker, todo-reset-done-string)
(todo-reset-comment-string, todo-reset-highlight-item):
* lisp/cedet/semantic/db-ebrowse.el (semanticdb-load-ebrowse-caches):
* lisp/cedet/semantic/texi.el (semantic-texi-associated-files):
* lisp/cedet/srecode/map.el (srecode-map-update-map):
* lisp/dired.el (dired-re-no-dot):
* lisp/emacs-lisp/autoload.el (update-directory-autoloads):
* lisp/emacs-lisp/shadow.el (load-path-shadows-find):
* lisp/files.el (auto-mode-alist, directory-files-no-dot-files-regexp):
* lisp/finder.el (finder-compile-keywords):
* lisp/generic-x.el (inetd-conf-generic-mode, named-boot-generic-mode)
(resolve-conf-generic-mode, etc-modules-conf-generic-mode):
* lisp/gnus/gnus-agent.el (gnus-agent-read-agentview)
(gnus-agent-regenerate-group, gnus-agent-update-files-total-fetched-for):
* lisp/gnus/gnus-cache.el (gnus-cache-articles-in-group):
* lisp/gnus/gnus-score.el (gnus-score-search-global-directories):
* lisp/gnus/gnus-util.el (gnus-delete-directory):
* lisp/gnus/gnus-uu.el (gnus-uu-dir-files):
* lisp/gnus/nndraft.el (nndraft-request-group):
* lisp/gnus/nnmh.el (nnmh-request-group, nnmh-request-create-group):
(nnmh-request-delete-group, nnmh-active-number, nnmh-update-gnus-unreads):
* lisp/gnus/nnspool.el (nnspool-request-group):
* lisp/gnus/spam-stat.el (spam-stat-process-directory)
(spam-stat-test-directory):
* lisp/help-fns.el (help-fns--first-release):
* lisp/help.el (view-emacs-news):
* lisp/international/quail.el (quail-update-leim-list-file):
* lisp/international/titdic-cnv.el (batch-titdic-convert):
* lisp/mail/mspools.el (mspools-set-vm-spool-files)
(mspools-get-spool-files):
* lisp/mail/rmail.el (rmail-secondary-file-regexp)
(rmail-speedbar-match-folder-regexp):
* lisp/net/ange-ftp.el (ange-ftp-delete-directory):
* lisp/net/tramp.el (tramp-use-absolute-autoload-file-names):
* lisp/obsolete/gulp.el (gulp-send-requests):
* lisp/obsolete/vc-arch.el (vc-arch-trim-revlib):
* lisp/org/ob-core.el (org-babel-remove-temporary-directory):
* lisp/progmodes/ebnf2ps.el (ebnf-file-suffix-regexp, ebnf-style-database):
* lisp/progmodes/executable.el (executable-command-find-posix-p):
* lisp/startup.el (command-line):
* lisp/textmodes/refer.el (refer-get-bib-files):
* lisp/url/url-about.el (url-probe-protocols):
* lisp/vc/vc-rcs.el (vc-rcs-register, vc-rcs-unregister):
* test/lisp/net/tramp-archive-tests.el
(tramp-archive-test19-directory-files-and-attributes):
* test/lisp/net/tramp-tests.el (tramp-test19-directory-files-and-attributes):
Replace ^ and $ with \` and \', respectively.
Use (rx (or (not ".") "...")), translated into "[^.]\\|\\.\\.\\.",
to match anything but "." and "..", instead of several incorrect
regexps.
2020-04-14 12:17:40 +02:00
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(directory-files d nil "\\`url-.*\\.el\\'")))
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2022-08-02 14:00:50 +02:00
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(seq-filter #'file-exists-p load-path))
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2004-04-04 01:21:46 +00:00
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(put 'url-extension-protocols 'schemes schemes)
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schemes)))))
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2004-04-12 04:01:43 +00:00
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(defvar url-scheme-registry)
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(defun url-about-protocols (_url)
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(url-probe-protocols)
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(insert "<html>\n"
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" <head>\n"
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" <title>Supported Protocols</title>\n"
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" </head>\n"
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" <body>\n"
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" <h1>Supported Protocols - URL package in Emacs " emacs-version "</h1>\n"
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" <table width='100%' border='1'>\n"
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" <tr>\n"
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" <td>Protocol\n"
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" <td>Properties\n"
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" <td>Description\n"
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" </tr>\n")
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(mapc (lambda (k)
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(if (string= k "proxy")
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;; Ignore the proxy setting... its magic!
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nil
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(insert " <tr>\n")
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;; The name of the protocol
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(insert " <td valign=top>" (or (url-scheme-get-property k 'name) k) "\n")
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;; Now the properties. Currently just asynchronous
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;; status, default port number, and proxy status.
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(insert " <td valign=top>"
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(if (url-scheme-get-property k 'asynchronous-p) "As" "S")
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"ynchronous<br>\n"
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(if (url-scheme-get-property k 'default-port)
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(format "Default Port: %d<br>\n"
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(url-scheme-get-property k 'default-port))
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"")
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(if (assoc k url-proxy-services)
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(format "Proxy: %s<br>\n" (assoc k url-proxy-services)) ""))
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;; Now the description...
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(insert " <td valign=top>"
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(or (url-scheme-get-property k 'description) "N/A"))))
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(sort (let (x) (maphash (lambda (k _v) (push k x)) url-scheme-registry) x)
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#'string-lessp))
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(insert " </table>\n"
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" </body>\n"
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"</html>\n"))
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(defun url-about (url)
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"Show internal URLs."
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(let* ((item (downcase (url-filename url)))
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(func (intern (format "url-about-%s" item))))
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(if (fboundp func)
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(progn
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(set-buffer (generate-new-buffer " *about-data*"))
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(insert "Content-type: text/plain\n\n")
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(funcall func url)
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(current-buffer))
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(error "URL does not know about `%s'" item))))
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(provide 'url-about)
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2004-04-04 04:44:10 +00:00
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2004-04-12 04:01:43 +00:00
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;;; url-about.el ends here
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