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130 lines
4.5 KiB
C++
130 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef _nsIURI_h_
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#define _nsIURI_h_
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#include "nsISupports.h"
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/*
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The nsIURI class is an interface to the URI behaviour for parsing
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portions out of a URI. This follows Tim Berners-Lee's URI spec at-
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http://www.w3.org/Addressing/URI/URI_Overview.html
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For the purpose of this class, here is the most elaborate form of a URI
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and its corresponding parts-
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ftp://username:password@hostname:portnumber/pathname
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\ / \ / \ / \ /\ /
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- --------------- ------ -------- -------
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| | | | |
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| | | | Path
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| | | Port
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| | Host
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| PreHost
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Scheme
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Note that this class does not assume knowledge of search/query portions
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embedded within the path portion of the URI.
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This class pretty much "final" and there shouldn't be anything added.
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If you do feel something belongs here, please do send me a mail. Thanks!
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-Gagan Saksena 03/15/99
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*/
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class nsIURI : public nsISupports
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{
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public:
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//Core parsing functions
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/*
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The Scheme is the protocol that this URI refers to.
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*/
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NS_IMETHOD GetScheme(const char* *o_Scheme) const = 0;
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NS_IMETHOD SetScheme(const char* i_Scheme) = 0;
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/*
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The PreHost portion includes elements like the optional
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username:password, or maybe other scheme specific items.
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*/
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NS_IMETHOD GetPreHost(const char* *o_PreHost) const = 0;
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NS_IMETHOD SetPreHost(const char* i_PreHost) = 0;
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/*
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The Host is the internet domain name to which this URI refers.
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Note that it could be an IP address as well.
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*/
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NS_IMETHOD GetHost(const char* *o_Host) const = 0;
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NS_IMETHOD SetHost(const char* i_Host) = 0;
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/*
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A return value of -1 indicates that no port value is set and the
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implementor of the specific scheme will use its default port.
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Similarly setting a value of -1 indicates that the default is to be used.
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Thus as an example-
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for HTTP, Port 80 is same as a return value of -1.
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However after setting a port (even if its default), the port number will
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appear in the ToString function.
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*/
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NS_IMETHOD_(PRInt32)
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GetPort(void) const = 0;
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NS_IMETHOD SetPort(PRInt32 i_Port) = 0;
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/*
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Note that the path includes the leading '/' Thus if no path is
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available the GetPath will return a "/"
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For SetPath if none is provided, one would be prefixed to the path.
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*/
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NS_IMETHOD GetPath(const char* *o_Path) const = 0;
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NS_IMETHOD SetPath(const char* i_Path) = 0;
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//Other utility functions
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/*
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Note that this comparison is only on char* level. Use
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the scheme specific URI to do a more thorough check. For example--
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in HTTP-
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http://foo.com:80 == http://foo.com
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but this function through nsIURI alone will not return equality
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for this case.
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*/
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NS_IMETHOD_(PRBool) Equals(const nsIURI* i_URI) const = 0;
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/*
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Writes a string representation of the URI.
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*/
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NS_IMETHOD ToString(const char* *o_URIString) const = 0;
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static const nsIID& GetIID() {
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// {EF4B5380-C07A-11d2-A1BA-00609794CF59}
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static const nsIID NS_IURI_IID =
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{ 0xef4b5380, 0xc07a, 0x11d2, { 0xa1, 0xba, 0x0, 0x60, 0x97, 0x94, 0xcf, 0x59 } };
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return NS_IURI_IID;
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};
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};
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#endif /* _nsIURI_h_ */
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