pjs/netwerk/base/public/nsIURL.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Gagan Saksena <gagan@netscape.com> (original author)
* Darin Fisher <darin@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIURI.idl"
/**
* The nsIURL interface provides convenience methods that further
* break down the path portion of nsIURI:
*
* http://directory/fileBaseName.fileExtension?query
* http://directory/fileBaseName.fileExtension#ref
* http://directory/fileBaseName.fileExtension;param
* \ \ /
* \ -----------------------
* \ | /
* \ fileName /
* ----------------------------
* |
* filePath
*
* @status FROZEN
*/
[scriptable, uuid(d6116970-8034-11d3-9399-00104ba0fd40)]
interface nsIURL : nsIURI
{
/*************************************************************************
* The URL path is broken down into the following principal components:
*/
/**
* Returns a path including the directory and file portions of a
* URL. For example, the filePath of "http://foo/bar.html#baz" is
* "/foo/bar.html".
*
* Some characters may be escaped.
*/
attribute AUTF8String filePath;
/**
* Returns the parameters specified after the ; in the URL.
*
* Some characters may be escaped.
*/
attribute AUTF8String param;
/**
* Returns the query portion (the part after the "?") of the URL.
* If there isn't one, an empty string is returned.
*
* Some characters may be escaped.
*/
attribute AUTF8String query;
/**
* Returns the reference portion (the part after the "#") of the URL.
* If there isn't one, an empty string is returned.
*
* Some characters may be escaped.
*/
attribute AUTF8String ref;
/*************************************************************************
* The URL filepath is broken down into the following sub-components:
*/
/**
* Returns the directory portion of a URL.
* If the URL denotes a path to a directory and not a file,
* e.g. http://foo/bar/, then the Directory attribute accesses
* the complete /foo/bar/ portion, and the FileName is the
* empty string. If the trailing slash is omitted, then the
* Directory is /foo/ and the file is bar (i.e. this is a
* syntactic, not a semantic breakdown of the Path).
* And hence dont rely on this for something to be a definitely
* be a file. But you can get just the leading directory portion
* for sure.
*
* Some characters may be escaped.
*/
attribute AUTF8String directory;
/**
* Returns the file name portion of a URL.
* If the URL denotes a path to a directory and not a file,
* e.g. http://foo/bar/, then the Directory attribute accesses
* the complete /foo/bar/ portion, and the FileName is the
* empty string. Note that this is purely based on searching
* for the last trailing slash. And hence dont rely on this to
* be a definite file.
*
* Some characters may be escaped.
*/
attribute AUTF8String fileName;
/*************************************************************************
* The URL filename is broken down even further:
*/
/**
* Returns the file basename portion of a filename in a url.
*
* Some characters may be escaped.
*/
attribute AUTF8String fileBaseName;
/**
* Returns the file extension portion of a filename in a url. If a file
* extension does not exist, the empty string is returned.
*
* Some characters may be escaped.
*/
attribute AUTF8String fileExtension;
/**
* This method takes a uri and compares the two. The common uri portion
* is returned as a string. The minimum common uri portion is the
* protocol, and any of these if present: login, password, host and port
* If no commonality is found, "" is returned. If they are identical, the
* whole path with file/ref/etc. is returned. For file uris, it is
* expected that the common spec would be at least "file:///" since '/' is
* a shared common root.
*
* Examples:
* this.spec aURIToCompare.spec result
* 1) http://mozilla.org/ http://www.mozilla.org/ ""
* 2) http://foo.com/bar/ ftp://foo.com/bar/ ""
* 3) http://foo.com:8080/ http://foo.com/bar/ ""
* 4) ftp://user@foo.com/ ftp://user:pw@foo.com/ ""
* 5) ftp://foo.com/bar/ ftp://foo.com/bar ftp://foo.com/
* 6) ftp://foo.com/bar/ ftp://foo.com/bar/b.html ftp://foo.com/bar/
* 7) http://foo.com/a.htm#i http://foo.com/b.htm http://foo.com/
* 8) ftp://foo.com/c.htm#i ftp://foo.com/c.htm ftp://foo.com/c.htm
* 9) file:///a/b/c.html file:///d/e/c.html file:///
*/
AUTF8String getCommonBaseSpec(in nsIURI aURIToCompare);
/**
* This method takes a uri and returns a substring of this if it can be
* made relative to the uri passed in. If no commonality is found, the
* entire uri spec is returned. If they are identical, "" is returned.
* Filename, query, etc are always returned except when uris are identical.
*/
AUTF8String getRelativeSpec(in nsIURI aURIToCompare);
};