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1 // file.cpp |
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2 // |
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3 // Copyright (c) 2006 - 2010 Accenture. All rights reserved. |
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4 // This component and the accompanying materials are made available |
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5 // under the terms of the "Eclipse Public License v1.0" |
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6 // which accompanies this distribution, and is available |
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7 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 // |
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9 // Initial Contributors: |
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10 // Accenture - Initial contribution |
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11 // |
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12 |
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13 #include "file.h" |
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14 #include "log.h" |
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15 #include <fshell/ltkutils.h> |
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16 |
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17 CIoFile* CIoFile::NewLC(RFs& aFs, const TDesC& aName, RIoFile::TMode aMode) |
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18 { |
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19 CIoFile* self = new(ELeave) CIoFile(); |
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20 CleanupClosePushL(*self); |
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21 self->ConstructL(aFs, aName, aMode); |
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22 return self; |
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23 } |
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24 |
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25 CIoFile::~CIoFile() |
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26 { |
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27 iFile.Close(); |
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28 iTempReadBuf.Close(); |
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29 } |
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30 |
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31 TBool CIoFile::IsType(RIoHandle::TType aType) const |
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32 { |
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33 return ((aType == RIoHandle::EEndPoint) || (aType == RIoHandle::EFile)); |
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34 } |
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35 |
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36 void CIoFile::IorepReadL(MIoReader& aReader) |
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37 { |
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38 TInt fileSize; |
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39 User::LeaveIfError(iFile.Size(fileSize)); |
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40 if (iPos < fileSize) |
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41 { |
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42 TDes& readBuf = aReader.IorReadBuf(); |
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43 iTempReadBuf.Zero(); |
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44 HBufC8* narrowBuf = HBufC8::NewLC(readBuf.MaxLength()); |
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45 TPtr8 narrowBufPtr(narrowBuf->Des()); |
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46 User::LeaveIfError(iFile.Read(narrowBufPtr, readBuf.MaxLength())); |
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47 iPos += narrowBuf->Length(); |
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48 iTempReadBuf.AppendUtf8L(narrowBufPtr); |
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49 if (iPos >= fileSize) |
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50 { |
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51 iTempReadBuf.FinalizeUtf8(); |
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52 } |
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53 readBuf.Copy(iTempReadBuf); |
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54 aReader.IorDataBuffered(readBuf.Length()); |
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55 CleanupStack::PopAndDestroy(narrowBuf); |
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56 if (iPos >= fileSize) |
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57 { |
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58 aReader.IorReadComplete(KErrNone); |
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59 } |
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60 } |
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61 else |
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62 { |
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63 aReader.IorReadComplete(KErrEof); |
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64 } |
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65 } |
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66 |
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67 void CIoFile::IowepWriteL(MIoWriter& aWriter) |
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68 { |
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69 HBufC* buf = HBufC::NewLC(aWriter.IowWriteLength()); |
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70 TPtr bufPtr(buf->Des()); |
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71 aWriter.IowWrite(bufPtr); |
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72 |
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73 // Convert to UTF-8 |
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74 HBufC8* narrowBuf = LtkUtils::Utf8L(*buf); |
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75 TInt err = iFile.Write(*narrowBuf); |
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76 delete narrowBuf; |
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77 aWriter.IowComplete(err); |
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78 CleanupStack::PopAndDestroy(buf); |
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79 } |
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80 |
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81 void CIoFile::IowepWriteCancel(MIoWriter&) |
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82 { |
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83 } |
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84 |
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85 CIoFile::CIoFile() |
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86 { |
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87 } |
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88 |
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89 void CIoFile::ConstructL(RFs& aFs, const TDesC& aName, RIoFile::TMode aMode) |
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90 { |
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91 LOG(CIoLog::Printf(_L("Attempting to create file 0x%08x (\"%S\")"), this, &aName)); |
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92 switch (aMode) |
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93 { |
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94 case RIoFile::ERead: |
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95 { |
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96 User::LeaveIfError(iFile.Open(aFs, aName, EFileRead)); |
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97 break; |
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98 } |
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99 case RIoFile::EOverwrite: |
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100 { |
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101 User::LeaveIfError(iFile.Replace(aFs, aName, EFileWrite)); |
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102 break; |
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103 } |
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104 case RIoFile::EAppend: |
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105 { |
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106 TInt err = iFile.Open(aFs, aName, EFileWrite); |
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107 if (err == KErrNotFound) |
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108 { |
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109 err = iFile.Create(aFs, aName, EFileWrite); |
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110 } |
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111 User::LeaveIfError(err); |
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112 TInt pos = 0; |
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113 User::LeaveIfError(iFile.Seek(ESeekEnd, pos)); |
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114 break; |
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115 } |
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116 default: |
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117 { |
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118 User::Leave(KErrNotSupported); |
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119 } |
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120 } |
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121 } |
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122 |