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annotate orange/serialization/archives/Archive.d @ 18:3d42ea434d46

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Added an error callback. Fixes #3 and #4.
author Jacob Carlborg <doob@me.com>
date Thu, 12 Aug 2010 23:24:51 +0200
parents 99c52d46822a
children 9a575087b961
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1 /**
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2 * Copyright: Copyright (c) 2010 Jacob Carlborg.
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3 * Authors: Jacob Carlborg
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4 * Version: Initial created: Feb 6, 2010
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5 * License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0)
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6 */
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7 module orange.serialization.archives.Archive;
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8
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9 version (Tango)
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10 import tango.util.Convert;
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12 else
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13 {
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14 import std.conv;
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15 alias ConvError ConversionException;
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16 }
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18 import orange.serialization.archives.ArchiveException;
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20 interface IArchive
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21 {
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22 void beginArchiving ();
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23 void reset ();
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24 }
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26 abstract class Archive (U) : IArchive
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27 {
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28 version (Tango) alias U[] DataType;
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29 else mixin ("alias immutable(U)[] DataType;");
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31 alias void delegate (ArchiveException exception, DataType[] data) ErrorCallback;
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33 ErrorCallback errorCallback;
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35 abstract void beginArchiving ();
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36 abstract void beginUnarchiving (DataType data);
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37 abstract DataType data ();
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38 abstract void reset ();
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39
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40 protected DataType toDataType (T) (T value)
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41 {
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42 try
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43 return to!(DataType)(value);
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44
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45 catch (ConversionException e)
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46 throw new ArchiveException(e);
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47 }
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49 protected T fromDataType (T) (DataType value)
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50 {
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51 try
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52 return to!(T)(value);
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53
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54 catch (ConversionException e)
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55 throw new ArchiveException(e);
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56 }
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57 }