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1 // Copyright (c) 2006-2009 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 // Implementation of GZIP deserializer |
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15 // |
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16 |
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17 #include <xml/parser.h> |
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18 #include <xml/parserfeature.h> |
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19 #include <ezgzip.h> |
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20 |
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21 #include <xml/dom/xmlengerrors.h> |
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22 #include "xmlengdeserializergzip.h" |
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23 #include "xmlenggzipbufferdeserializebm.h" |
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24 #include "xmlenggzipfiledeserializer.h" |
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25 |
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26 #include <xml/dom/xmlengserializeerrors.h> |
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27 |
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28 |
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29 using namespace Xml; |
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30 |
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31 // -------------------------------------------------------------------------------------- |
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32 // Constructor |
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33 // -------------------------------------------------------------------------------------- |
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34 // |
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35 CXmlEngDeserializerGZIP* CXmlEngDeserializerGZIP::NewL( MContentHandler& aContentHandler ) |
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36 { |
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37 CXmlEngDeserializerGZIP* self = new (ELeave) CXmlEngDeserializerGZIP( ); |
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38 CleanupStack::PushL( self ); |
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39 self->ConstructL( aContentHandler ); |
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40 CleanupStack::Pop(); |
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41 return self; |
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42 } |
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43 |
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44 // -------------------------------------------------------------------------------------- |
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45 // Deserialize document |
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46 // -------------------------------------------------------------------------------------- |
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47 // |
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48 void CXmlEngDeserializerGZIP::DeserializeL( const TDesC& aFileName, |
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49 const TXmlEngParsingOptions& /*aOptions*/ ) |
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50 { |
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51 RFs fs; |
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52 User::LeaveIfError(fs.Connect()); |
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53 CleanupClosePushL(fs); |
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54 DeserializeL(fs, aFileName); |
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55 CleanupStack::PopAndDestroy(&fs); |
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56 } |
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57 |
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58 // -------------------------------------------------------------------------------------- |
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59 // Deserialize document |
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60 // -------------------------------------------------------------------------------------- |
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61 // |
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62 void CXmlEngDeserializerGZIP::DeserializeL( RFs& aRFs, |
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63 const TDesC& aFileName, |
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64 const TXmlEngParsingOptions& /*aOptions*/ ) |
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65 { |
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66 CXmlEngGZipFileDeserializer* deser = CXmlEngGZipFileDeserializer::NewLC( iParser, aRFs, aFileName, KOutputBufferSize ); |
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67 |
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68 while ( deser->InflateL() ) |
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69 { |
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70 /* empty */ |
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71 } |
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72 |
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73 CleanupStack::PopAndDestroy( deser ); |
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74 } |
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75 |
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76 // -------------------------------------------------------------------------------------- |
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77 // Deserialize document |
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78 // -------------------------------------------------------------------------------------- |
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79 // |
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80 void CXmlEngDeserializerGZIP::DeserializeL( const TDesC8& aBuffer, |
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81 const TXmlEngParsingOptions& /*aOptions*/ ) |
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82 { |
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83 CXmlEngGZipBufferDeserializeBM* bm = CXmlEngGZipBufferDeserializeBM::NewLC( iParser, aBuffer, KOutputBufferSize ); |
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84 CEZDecompressor* decompressor = CEZDecompressor::NewLC( *bm ); |
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85 |
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86 while ( decompressor->InflateL() ) |
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87 { |
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88 /* empty */ |
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89 } |
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90 |
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91 CleanupStack::PopAndDestroy( decompressor ); |
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92 CleanupStack::PopAndDestroy( bm ); |
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93 } |
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94 |
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95 // -------------------------------------------------------------------------------------- |
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96 // Deserialize document |
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97 // -------------------------------------------------------------------------------------- |
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98 // |
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99 void CXmlEngDeserializerGZIP::DeserializeL() |
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100 { |
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101 switch(iSerializationOutput) |
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102 { |
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103 case EDeserializeFromFile: |
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104 { |
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105 if(!iInputFileName) |
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106 { |
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107 User::Leave(KXmlEngErrNoParameters); |
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108 } |
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109 RFs fs; |
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110 CleanupClosePushL(fs); |
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111 User::LeaveIfError(fs.Connect()); |
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112 DeserializeL(fs, iInputFileName->Des()); |
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113 CleanupStack::PopAndDestroy(&fs); |
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114 break; |
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115 } |
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116 case EDeserializeFromBuffer: |
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117 { |
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118 if(iBuffer.Length() == 0) |
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119 { |
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120 User::Leave(KXmlEngErrNoParameters); |
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121 } |
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122 DeserializeL(iBuffer); |
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123 break; |
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124 } |
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125 default: |
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126 { |
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127 User::Leave(KErrGeneral); |
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128 } |
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129 } |
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130 } |
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131 |
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132 // -------------------------------------------------------------------------------------- |
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133 // Default Constructor |
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134 // -------------------------------------------------------------------------------------- |
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135 // |
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136 CXmlEngDeserializerGZIP::CXmlEngDeserializerGZIP() |
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137 { |
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138 } |
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139 |
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140 // -------------------------------------------------------------------------------------- |
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141 // Destructor |
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142 // -------------------------------------------------------------------------------------- |
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143 // |
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144 CXmlEngDeserializerGZIP::~CXmlEngDeserializerGZIP() |
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145 { |
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146 } |
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147 |
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148 |