Symbian3/SDK/Source/GUID-D535D51E-EAF5-581A-929B-5B1EF179A273.dita
changeset 7 51a74ef9ed63
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-D535D51E-EAF5-581A-929B-5B1EF179A273.dita	Wed Mar 31 11:11:55 2010 +0100
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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"Eclipse Public License v1.0" which accompanies this distribution, 
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-D535D51E-EAF5-581A-929B-5B1EF179A273" xml:lang="en"><title>Parsing
+an URI</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>This tutorial describes the steps to parse an URI. </p>
+<section><title>Introduction </title> <p>Parsing is done before performing
+any of the following tasks: </p> <ul>
+<li id="GUID-9A1003CA-B215-5AC6-BEE5-8A2803260219"><p>Extracting the URI components </p> </li>
+<li id="GUID-E8705543-F900-5EA7-8CDF-683A03F9D83A"><p>Modifying the URI components </p> </li>
+<li id="GUID-D89056C6-2F34-5F80-8C8D-26F215362DCD"><p>Getting the file name </p> </li>
+<li id="GUID-0E42A1EE-C99E-594C-BB80-A1252FA024F1"><p>Modifying the delimiters </p> </li>
+<li id="GUID-11FCEE3E-753B-5C67-AF99-F51CA7E23E02"><p>Resolving the URI </p> </li>
+</ul> <p>The URI is parsed into its components (scheme, authority, path, query
+and fragment) to check if they are syntactically correct. Also, the checks
+the validity of individual components that needs to be parsed, using <xref href="GUID-EB2EEEF1-705B-334D-A4B0-3D0C4CBE2DA1.dita#GUID-EB2EEEF1-705B-334D-A4B0-3D0C4CBE2DA1/GUID-F72D57B8-DFD4-38B7-A54B-29103540E8AA"><apiname>TUriParser8::Parse()</apiname></xref>. </p> </section>
+<section><title>Parsing an URI descriptor object</title> <p>The following
+code fragment parses the URI descriptor object. It returns <codeph>KErrNone</codeph> if
+parsing is successful and <codeph>EUriUtilsParserErrInvalidUri</codeph> if
+the passed descriptor is invalid. </p> <codeblock id="GUID-C1B10F10-1D4E-5268-93D4-4C6ECA7C9F7C" xml:space="preserve">
+LIT8( KUri,"http://web.intra/Dev/Sysdoc/devlib.htm" );
+TUriParser8 parser;                          // URI parser object
+TInt result = parser.Parse( KUri );            // Parse the URI descriptor 
+const TDesC8&amp; des1 = parser.UriDes();        // Returns the parsed URI
+</codeblock> <p>where, <codeph>KUri</codeph> is the URI descriptor to be parsed.
+This code returns the descriptor containing <codeph>http://web.intra/Dev/Sysdoc/devlib.htm</codeph>,
+the parsed form of the URI. </p> <p> <xref href="GUID-EB2EEEF1-705B-334D-A4B0-3D0C4CBE2DA1.dita#GUID-EB2EEEF1-705B-334D-A4B0-3D0C4CBE2DA1/GUID-F72D57B8-DFD4-38B7-A54B-29103540E8AA"><apiname>TUriParser8::Parse()</apiname></xref> parses
+the URI components, except for SIP and SIPS scheme component. </p> </section>
+<section><title>Parsing an authority component</title><p>To make use of the
+authority parsing utilities, declare a <xref href="GUID-985C12CB-9230-3A35-9F5F-E455D4C23EBB.dita"><apiname>TAuthorityParser8</apiname></xref> parser
+object, and parse the descriptor containing the URI authority component. Call <xref href="GUID-985C12CB-9230-3A35-9F5F-E455D4C23EBB.dita#GUID-985C12CB-9230-3A35-9F5F-E455D4C23EBB/GUID-7CCA2647-E8D0-312B-83BE-BE857FB61D0C"><apiname>TAuthorityParser8::Parse()</apiname></xref> to
+parse the authority component. </p> <codeblock id="GUID-49539B54-F682-5CDD-BC57-44FAA006E1E9" xml:space="preserve">_LIT8( KAuthorityDesc,    "http://user:pass@www.mypage.com" );
+TAuthorityParser8 authorityParser;                     // the authority parser object 
+//Parse the authority component by passing authority descriptor   
+authorityParser.Parse( KAuthorityDesc );  
+const TDesC8&amp; des = authorityParser.AuthorityDes();    //retrieve the parsed URI
+</codeblock> <p>where, <codeph>des</codeph> is a descriptor that contains
+the parsed URI. </p></section>
+<section><title> See also</title> <p>For related information, see <xref href="GUID-795B41AF-FBEA-56CE-AE20-EF17BE754723.dita">HTTP
+Utilities Library Overview</xref> </p> </section>
+</conbody></concept>
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