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1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "UF_STD.H" |
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17 |
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18 EXPORT_C TUid CDirectFileStore::Layout() const |
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19 /** Gets the UID that uniquely identifies this file store as a direct file store. |
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20 |
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21 @return KDirectFileStoreLayoutUid. */ |
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22 { |
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23 return KDirectFileStoreLayoutUid; |
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24 } |
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25 |
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26 EXPORT_C CDirectFileStore::CDirectFileStore(RFile& aFile) |
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27 // |
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28 // Constructor creating a new file store. |
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29 // |
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30 : CFileStore(aFile) |
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31 {} |
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32 |
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33 EXPORT_C CDirectFileStore::CDirectFileStore(RFileBuf& aBuf,const TUidType& aType) |
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34 // |
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35 // Constructor opening an existing file store. |
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36 // |
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37 : CFileStore(aBuf,aType) |
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38 {} |
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39 |
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40 EXPORT_C MStreamBuf* CDirectFileStore::DoReadL(TStreamId anId) const |
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41 // |
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42 // Open a stream for reading. |
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43 // |
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44 { |
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45 return HDirectStoreBuf::OpenL(Host(),anId,HDirectStoreBuf::ERead); |
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46 } |
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47 |
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48 EXPORT_C MStreamBuf* CDirectFileStore::DoCreateL(TStreamId& anId) |
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49 // |
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50 // Create a new stream and open for both reading and writing. |
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51 // |
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52 { |
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53 return HDirectStoreBuf::CreateL(Host(),anId,HDirectStoreBuf::ERead|HDirectStoreBuf::EWrite); |
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54 } |
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55 |
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56 EXPORT_C void CDirectFileStore::ExternalizeL(RWriteStream& aStream) const |
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57 // |
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58 // Externalize this store's structure, consisting of just the root stream id. |
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59 // |
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60 { |
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61 aStream<<iRoot; |
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62 } |
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63 |
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64 EXPORT_C void CDirectFileStore::InternalizeL(RReadStream& aStream) |
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65 // |
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66 // Internalize this store's structure, consisting of just the root stream id. |
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67 // |
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68 { |
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69 aStream>>iRoot; |
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70 } |
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71 |
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72 EXPORT_C void CDirectFileStore::DoSetRootL(TStreamId anId) |
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73 // |
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74 // Set the root stream id and flag a change to this store's structure. |
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75 // |
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76 { |
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77 iRoot=anId; |
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78 ChangedL(); |
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79 } |
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80 |
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81 EXPORT_C CFileStore* CDirectFileStore::DoNewL(RFile& aFile) |
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82 // |
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83 // Factory function creating a new file. |
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84 // |
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85 { |
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86 return new(ELeave) CDirectFileStore(aFile); |
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87 } |
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88 |