Symbian3/SDK/Source/GUID-FC929B37-20E1-5DA7-91A7-CBBED2E69A6E.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Tue, 20 Jul 2010 12:00:49 +0100
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parent 7 51a74ef9ed63
permissions -rw-r--r--
Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE task
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  PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
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<task id="GUID-FC929B37-20E1-5DA7-91A7-CBBED2E69A6E" xml:lang="en"><title>Getting Equivalent and Nearest Equivalent Languages </title><shortdesc>This section describes how to call functions of <codeph>BaflUtils</codeph> to get an equivalent language list and a nearest
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equivalent language. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>
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<prereq id="GUID-03EE02F1-492A-463A-A64B-9BA086897FAE"><p>This tutorial
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assumes that you have an understanding of <xref href="GUID-10A50B7C-63DB-599B-86C1-17989595CBD2.dita">Equivalent Language
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Reference</xref> which explains the equivalent language table, including
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the equivalent language list and its priority.</p> </prereq>
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<context id="GUID-11BBC0DD-7E59-423E-81C3-39FA5E5943C4"><p> <xref href="GUID-5F9CAA3E-D8BF-3488-9797-3B9FB4452930.dita"><apiname>BaflUtils</apiname></xref> provides the following two static functions to
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get the equivalent language list and a nearest equivalent language: </p> <ul>
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<li id="GUID-42B035C0-34C1-585E-8195-B317C694018C"><codeblock id="GUID-0686FF33-BE2D-597C-8CC7-422AE32F1554" xml:space="preserve">GetEquivalentLanguageList(TLanguage aLang, TLanguagePath&amp; aEquivalents)</codeblock> <p>For a given language (<xref href="GUID-698538DF-DCDC-347B-BD32-DD9EB896BAFB.dita"><apiname>TLanguage</apiname></xref>), it returns
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an array (<xref href="GUID-2533E3D6-D0D8-3638-847D-C5DED07557BD.dita"><apiname>TLanguagePath</apiname></xref>) which contains the equivalent
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languages. If no equivalent language is found, <codeph>ELangNone</codeph> is returned. </p> </li>
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<li id="GUID-B2CBF4AA-9F96-59E7-BBD1-C069FEF0EACD"><codeblock id="GUID-6C39809C-E824-52B1-8E87-6EE36F333E4D" xml:space="preserve">NearestLanguageFileV2(const RFs&amp; aFs,TFileName&amp; aName, TLanguage&amp; aLanguage)</codeblock> <p>A <xref href="GUID-698538DF-DCDC-347B-BD32-DD9EB896BAFB.dita"><apiname>TLanguage</apiname></xref> value is used at the end of a
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resource file name to identify a resource file for a language. For
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example, <filepath>filename.r01</filepath> and <filepath>filename.r02</filepath> are the English and French versions of the <filepath>filename.rsc</filepath> resource file. </p> <p>An application calls <codeph>BaflUtils::NearestLanguageFileV2()</codeph> to determine which localized resource file is the closest to the
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current system language. The function searches the following drives
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in the given sequence for the available resource files, which have
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the same file name (without extension) as <codeph>aName</codeph>.
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Once the resource files are searched on a drive, the function stops
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searching on the next drive. </p> <ul>
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<li id="GUID-8BD6E006-7369-559A-AD7E-7192E7F2C400"><p>The custom resource
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drive if it is set using the <codeph>HAL::ECustomResourceDrive</codeph> attribute or the legacy <codeph>HAL::ESystemDrive</codeph> attribute. </p> </li>
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<li id="GUID-E361606A-6E26-5E25-9C0E-429047947BB4"><p>The optional
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drive if it is specified in the <codeph>aName</codeph> parameter. </p> </li>
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<li id="GUID-D905BA6F-72BE-535E-8225-0018F08E4EAB"><p> <filepath>Z:</filepath> drive if the optional drive is not set in the <codeph>aName</codeph> parameter. </p> </li>
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</ul> <p>The current system language is then taken as a given language.
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All the available resource file names are prioritized according to
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the <xref href="GUID-10A50B7C-63DB-599B-86C1-17989595CBD2.dita">equivalent
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language list</xref>. The resource file name with the highest priority
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is returned. </p> </li>
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</ul> </context>
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<steps-unordered>
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<step id="GUID-66A7C747-5484-4BAE-9FCD-A6ECF136DF0F"><cmd><xref href="GUID-A6A6BC5B-4988-45B4-863D-0E3733B77EA2.dita">Getting an Equivalent
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Language List</xref></cmd>
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</step>
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<step id="GUID-A1A4F1ED-DD97-4386-81EB-D41033DA1725"><cmd><xref href="GUID-DDA0ECF7-BC92-4AFB-998F-5FDD300655FB.dita">Getting a Nearest
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Equivalent Language</xref></cmd>
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</step>
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</steps-unordered>
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</taskbody></task>