--- a/Symbian3/PDK/Source/GUID-79E8BE3D-9EF7-5275-A245-3CF689E58DE9.dita	Thu Mar 11 15:24:26 2010 +0000
+++ b/Symbian3/PDK/Source/GUID-79E8BE3D-9EF7-5275-A245-3CF689E58DE9.dita	Thu Mar 11 18:02:22 2010 +0000
@@ -1,20 +1,20 @@
-<?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 xml:lang="en" id="GUID-79E8BE3D-9EF7-5275-A245-3CF689E58DE9"><title>Layout Conventions</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>Symbian OS code is laid out in a standard way. Symbian developers and organisations usually have existing preferences for these issues. This information is provided to help you to read Symbian OS code, even if you do not choose to adopt the same layout yourself. </p> <section><title>Headers</title> <ul><li id="GUID-F50F1F83-A9D6-590B-AA12-239823B40B27"><p>the number of headers included is minimised, forward references being preferred where possible. </p> </li> <li id="GUID-FECBB5C1-0C45-52AF-8CA3-B9F62801EFCA"><p>the standard anti-nesting method is used to avoid multiple inclusion of headers: for example, </p> </li> </ul> <codeblock id="GUID-744E1BA3-112B-5F0E-9A41-82AD6A1B7C00" xml:space="preserve">// EG.H
-//
-// Copyright notice
-//
-
-#ifndef _EG_H_
-#define _EG_H_
-//...include files and declarations
+<?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 xml:lang="en" id="GUID-79E8BE3D-9EF7-5275-A245-3CF689E58DE9"><title>Layout Conventions</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>Symbian OS code is laid out in a standard way. Symbian developers and organisations usually have existing preferences for these issues. This information is provided to help you to read Symbian OS code, even if you do not choose to adopt the same layout yourself. </p> <section><title>Headers</title> <ul><li id="GUID-F50F1F83-A9D6-590B-AA12-239823B40B27"><p>the number of headers included is minimised, forward references being preferred where possible. </p> </li> <li id="GUID-FECBB5C1-0C45-52AF-8CA3-B9F62801EFCA"><p>the standard anti-nesting method is used to avoid multiple inclusion of headers: for example, </p> </li> </ul> <codeblock id="GUID-744E1BA3-112B-5F0E-9A41-82AD6A1B7C00" xml:space="preserve">// EG.H
+//
+// Copyright notice
+//
+
+#ifndef _EG_H_
+#define _EG_H_
+//...include files and declarations
 #endif</codeblock> </section> <section><title>Class layout</title> <p>Symbian OS code uses the following conventions for laying out class declarations: </p> <p><b>General</b> </p> <ul><li id="GUID-46510CC9-C7B0-528E-BB68-7A64BFC7BC61"><p>access control specifiers are always given for readability </p> </li> <li id="GUID-5EEB5EDA-848E-55C4-A9E8-8DDFE3091A01"><p>class members are declared in the following order: public member functions, protected member functions, private member functions, protected data, private data, public data. The appropriate access specifier is given at the start of each group. </p> </li> <li id="GUID-4A576792-75EA-543A-A6B4-B5357E4AE850"><p>for readability, function arguments are named in the function declaration as well as the definition </p> </li> </ul> <p><b>Virtual functions</b> </p> <ul><li id="GUID-A66F4D3B-B259-59D8-9519-E173E4071015"><p>virtual functions that replace inherited behaviour are grouped together in the header, with a comment documenting from which class the behaviour is inherited </p> </li> <li id="GUID-16B867BB-7612-5D89-8E8E-947645EB3677"><p>the <codeph>virtual</codeph> keyword is not given for these functions </p> </li> <li id="GUID-42B49550-7AEE-5E30-825C-5F17F5DBB300"><p>virtual functions are not made inline, as it is difficult to know exactly how a compiler treats these. The exception to this are virtual inline destructors, which are allowed. </p> </li> </ul> <p><b>Inline functions</b> </p> <ul><li id="GUID-00EEDE0A-3BC8-5359-B82A-7E864713F63E"><p>specify <codeph>inline</codeph> explicitly for inline functions. </p> </li> <li id="GUID-C0F56E55-A81D-578F-8605-6FF7A1ACB7A5"><p>do not provide the implementation in the class declaration. Instead, implementations are provided at the bottom of the header or in a separate <filepath>inl</filepath> file. </p> </li> </ul> </section> </conbody></concept>
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