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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsIURI.idl"
/**
* The nsIURL interface provides convenience methods that further
* break down the path portion of nsIURI:
*
* http://host/directory/fileBaseName.fileExtension?query
* http://host/directory/fileBaseName.fileExtension#ref
* \ \ /
* \ -----------------------
* \ | /
* \ fileName /
* ----------------------------
* |
* filePath
*/
[scriptable, uuid(86adcd89-0b70-47a2-b0fe-5bb2c5f37e31)]
interface nsIURL : nsIURI
{
/*************************************************************************
* The URL path is broken down into the following principal components:
*
* attribute AUTF8String filePath;
* attribute AUTF8String query;
*
* These are inherited from nsIURI.
*/
/*************************************************************************
* 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://host/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 don't 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://host/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 don't 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 tries to create a string which specifies the location of the
* argument relative to |this|. If the argument and |this| are equal, the
* method returns "". If any of the URIs' scheme, host, userpass, or port
* don't match, the method returns the full spec of the argument.
*
* Examples:
* this.spec aURIToCompare.spec result
* 1) http://mozilla.org/ http://www.mozilla.org/ http://www.mozilla.org/
* 2) http://mozilla.org/ http://www.mozilla.org http://www.mozilla.org/
* 3) http://foo.com/bar/ http://foo.com:80/bar/ ""
* 4) http://foo.com/ http://foo.com/a.htm#b a.html#b
* 5) http://foo.com/a/b/ http://foo.com/c ../../c
*/
AUTF8String getRelativeSpec(in nsIURI aURIToCompare);
};
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