Symbian3/SDK/Source/GUID-A9A49E91-B4EC-5D92-A021-7D08F4ED094C.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Tue, 20 Jul 2010 12:00:49 +0100
changeset 13 48780e181b38
parent 0 89d6a7a84779
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 concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-A9A49E91-B4EC-5D92-A021-7D08F4ED094C" xml:lang="en"><title>Text types</title><shortdesc>This document describes the Text data types.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p><xref href="GUID-317497AE-D70D-3FD5-9865-6446FF4AD035.dita"><apiname>TText</apiname></xref> represents a character in the natural character
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width for the Symbian platform build. For Unicode builds, (i.e. from v5.1
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onwards) this is 16 bits. For non-Unicode builds, this is 8 bits. </p>
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<p><xref href="GUID-0DC8E9A8-8B5A-3566-B1C5-27B6E4F47F3C.dita"><apiname>TText8</apiname></xref> is always available for build-independent 8-bit
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characters, and <xref href="GUID-9A863E0A-E588-367C-9444-C13AC0D44234.dita"><apiname>TText16</apiname></xref> is always available for build-independent
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16-bit characters. <xref href="GUID-317497AE-D70D-3FD5-9865-6446FF4AD035.dita"><apiname>TText</apiname></xref> is mapped onto either of these
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types, depending on the build.</p>
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<p><xref href="GUID-317497AE-D70D-3FD5-9865-6446FF4AD035.dita"><apiname>TText</apiname></xref> types are implemented as <xref href="GUID-F9432D7B-41C9-3048-AC50-B5BCF8BE11D0.dita"><apiname>TUint</apiname></xref> s
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of the appropriate size. <xref href="GUID-317497AE-D70D-3FD5-9865-6446FF4AD035.dita"><apiname>TText</apiname></xref> should be used for representing
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characters, as a reminder to the programmer.</p>
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<p>The <xref href="GUID-CDCFA2A5-EA8A-3B39-B90F-77AC41571E2D.dita"><apiname>TChar</apiname></xref> class wraps a character value and provides
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a number of utility functions to manipulate it and to test its properties,
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such as converting the character to uppercase and testing whether it’s a control
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character.</p>
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</conbody></concept>