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1 <?xml version="1.0" encoding="utf-8"?> |
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2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
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3 <!-- This component and the accompanying materials are made available under the terms of the License |
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4 "Eclipse Public License v1.0" which accompanies this distribution, |
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5 and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
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6 <!-- Initial Contributors: |
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7 Nokia Corporation - initial contribution. |
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8 Contributors: |
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9 --> |
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10 <!DOCTYPE concept |
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11 PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
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12 <concept id="GUID-8D4AD37E-6B96-5B82-8313-F88D97531DEC" xml:lang="en"><title>Types |
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13 of package</title><shortdesc>Describes the three types of package descriptors.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody> |
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14 <p>Three types of package are available:</p> |
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15 <ul> |
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16 <li id="GUID-F6734EA9-F7C3-5BAD-8D3D-31E74459DE60"><p>a packaged modifiable |
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17 buffer descriptor</p> </li> |
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18 <li id="GUID-F445EFBB-BD50-5277-9C2B-89D1F23A3A8A"><p>a packaged non-modifiable |
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19 pointer descriptor</p> </li> |
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20 <li id="GUID-E9DA31C2-63B8-5A6F-B139-E165CE56F104"><p>a packaged modifiable |
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21 pointer descriptor</p> </li> |
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22 </ul> |
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23 <section id="GUID-894BE487-84FA-4182-85F1-636A985819A9"><title>Packaged modifiable buffer descriptor</title> <p>This is an |
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24 object of type <codeph>TPckgBuf</codeph> and is a modifiable buffer descriptor. |
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25 The class is templated; the template parameter defines the type of object |
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26 that this descriptor can contain.</p> <p>For example, a package descriptor |
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27 of type <codeph>TPckgBuf<TExample></codeph> is a modifiable buffer descriptor |
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28 that only contains objects of type <codeph>TExample</codeph>.</p> <p>The package |
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29 class also allows functions to be called on the contained class.</p> <fig id="GUID-7EE59907-F6E0-5200-A4BF-6AD5C9BE2D67"> |
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30 <image href="GUID-541C8505-335F-5C93-8C0E-96BCEE39D1E6_d0e232716_href.png" placement="inline"/> |
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31 </fig> </section> |
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32 <section id="GUID-C7714A6F-0E8D-43D4-B168-1EB333D8BCC7"><title>Packaged non-modifiable pointer descriptor</title> <p>This |
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33 is an object of type <codeph>TPckgC</codeph> and is a non-modifiable pointer |
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34 descriptor. The class is templated; the template parameter defines the type |
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35 of object that this descriptor can represent.</p> <p>For example, a package |
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36 descriptor of type <codeph>TPckgC<TExample></codeph> is a non- modifiable |
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37 pointer descriptor that only represents objects of type <codeph>TExample</codeph>.</p> <p>The |
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38 package class also allows functions to be called on the contained class.</p> <fig id="GUID-31860379-F6A7-5D65-8160-EEDABBB73AD3"> |
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39 <image href="GUID-EA2AAE86-0BD3-52C9-BD13-75E9F04DE77F_d0e232744_href.png" placement="inline"/> |
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40 </fig> </section> |
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41 <section id="GUID-3AD2BB30-93E0-4E1F-B2BC-15693CE45A3E"><title>Packaged modifiable pointer descriptor</title> <p>This is |
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42 an object of type <codeph>TPckg</codeph> and is a modifiable pointer descriptor. |
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43 The class is templated; the template parameter defines the type of object |
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44 that this descriptor can represent.</p> <p>For example, a package descriptor |
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45 of type <codeph>TPckg<TExample></codeph> is a modifiable pointer descriptor |
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46 that only represents objects of type <codeph>TExample</codeph>.</p> <p>The |
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47 package class also allows functions to be called on the contained class.</p> <fig id="GUID-5BB0AF3B-33FF-5374-A867-0BD49A15DC74"> |
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48 <image href="GUID-72B7B5CC-2E04-53CE-8414-C362DFD40D52_d0e232772_href.png" placement="inline"/> |
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49 </fig> </section> |
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50 <section id="GUID-2A10BADF-1BD3-4F78-B321-180132E8EA88"><title>See also</title> <p><xref href="GUID-0B9C8884-6BFF-35E2-AA6F-E4057B85AFCF.dita"><apiname>TBuf</apiname></xref> </p> <p><xref href="GUID-5CD07A27-E3ED-3273-A560-680501468C91.dita"><apiname>TPtrC</apiname></xref> </p> <p><xref href="GUID-EA7DEFA4-D4D9-3B2B-86A3-C3FB1A682E61.dita"><apiname>TPtr</apiname></xref> </p> </section> |
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51 </conbody><related-links> |
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52 <link> |
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53 <desc><xref href="GUID-79BAF19D-F003-5468-9C01-6E918B06C36D.dita">Descriptor concepts</xref></desc> |
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54 </link> |
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55 </related-links></concept> |