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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 "eustd.h" |
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17 #include <ezcompressor.h> |
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18 #include <ezdecompressor.h> |
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19 #include <ezlib.h> |
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20 #include <ezgzip.h> |
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21 |
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22 #include <f32file.h> |
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23 |
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24 void ReadAndPrintHeaderL(RFs &rfs, const TDesC &fname); |
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25 |
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26 /** |
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27 @SYMTestCaseID SYSLIB-EZLIB-CT-0829 |
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28 @SYMTestCaseDesc Gzip functionality test |
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29 @SYMTestPriority High |
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30 @SYMTestActions Decompress and compress a zip file read from the command line. |
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31 @SYMTestExpectedResults Test must not fail |
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32 @SYMREQ REQ0000 |
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33 */ |
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34 |
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35 LOCAL_C void doExampleL() |
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36 { |
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37 RFs rfs; |
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38 rfs.Connect(); |
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39 TBool compress = ETrue; |
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40 TInt bufferSize = 0x8000; |
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41 TBool readHeader = EFalse; |
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42 TBool readTrailer = EFalse; |
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43 TBool noWork = EFalse; |
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44 |
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45 TInt cmdLineLen = User::CommandLineLength(); |
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46 |
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47 if (cmdLineLen <= 0) |
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48 { |
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49 _LIT(KUsage,"Usage:gzip [-dht] [-u bufferSize] filename\n"); |
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50 console->Printf(KUsage); |
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51 User::Leave(1); |
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52 } |
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53 //(cmdLineLen > 0) case |
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54 HBufC *argv = HBufC::NewLC(cmdLineLen); |
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55 TPtr cmd(argv->Des()); |
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56 User::CommandLine(cmd); |
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57 |
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58 TLex arguments(*argv); |
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59 |
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60 TPtrC options(arguments.NextToken()); |
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61 TBool expectBufferSize = EFalse; |
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62 _LIT(KBadBufferSize,"Bad buffersize specified\n"); |
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63 _LIT(KUnknownOption,"Unknown Options %S\n"); |
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64 |
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65 |
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66 while (options[0]=='-' || expectBufferSize) |
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67 { |
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68 TInt i = 1; |
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69 |
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70 if (expectBufferSize) |
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71 { |
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72 expectBufferSize = EFalse; |
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73 if (options.Length() == 0) |
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74 { |
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75 console->Printf(KBadBufferSize); |
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76 User::Leave(1); |
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77 } |
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78 else |
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79 { |
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80 TLex bufLex(options); |
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81 if (bufLex.Val(bufferSize) != KErrNone) |
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82 { |
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83 console->Printf(KBadBufferSize); |
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84 User::Leave(1); |
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85 } |
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86 } |
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87 } |
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88 else |
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89 { |
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90 |
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91 while (i < options.Length()) |
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92 { |
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93 if (options[i] == 'd') |
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94 compress = EFalse; |
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95 else if (options[i] == 'b') |
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96 { |
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97 if (i + 1 < options.Length()) |
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98 { |
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99 TLex bufLex(options.Right(options.Length() - (i + 1))); |
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100 if (bufLex.Val(bufferSize) != KErrNone) |
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101 { |
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102 console->Printf(KBadBufferSize); |
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103 User::Leave(1); |
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104 } |
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105 } |
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106 else |
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107 expectBufferSize = ETrue; |
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108 } |
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109 else if (options[i] == 'h') |
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110 readHeader = noWork = ETrue; |
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111 else if (options[i] == 't') |
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112 readTrailer = noWork = ETrue; |
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113 else |
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114 { |
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115 console->Printf(KUnknownOption,&options); |
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116 i = options.Length(); |
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117 } |
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118 i++; |
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119 } |
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120 |
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121 if (i == 1) |
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122 { |
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123 _LIT(KNoOption,"No option specified\n"); |
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124 console->Printf(KNoOption); |
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125 User::Leave(1); |
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126 } |
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127 } |
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128 options.Set(arguments.NextToken()); |
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129 } |
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130 |
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131 console->Printf(_L("Buffer Size %d\n"),bufferSize); |
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132 |
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133 if (readHeader) |
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134 { |
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135 ReadAndPrintHeaderL(rfs,options); |
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136 } |
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137 |
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138 if (readTrailer) |
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139 { |
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140 TEZGZipTrailer trailer; |
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141 EZGZipFile::LocateAndReadTrailerL(rfs, options, trailer); |
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142 _LIT(KTrailer,"Crc = %d Size = %d\n"); |
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143 console->Printf(KTrailer,trailer.iCrc32,trailer.iSize); |
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144 } |
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145 |
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146 if (!noWork) |
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147 { |
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148 if (!compress) |
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149 { |
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150 |
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151 TPtrC inputFile(options); |
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152 |
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153 HBufC *uncompressedFile = HBufC::NewLC(inputFile.Length()+1); |
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154 _LIT(KUfl,"%S1"); |
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155 uncompressedFile->Des().Format(KUfl,&inputFile); |
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156 |
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157 RFile output; |
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158 TInt err; |
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159 |
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160 _LIT(KInfo,"Decompressing file %S\n"); |
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161 console->Printf(KInfo,&inputFile); |
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162 |
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163 err = output.Create(rfs, *uncompressedFile,EFileStream | EFileWrite | EFileShareExclusive); |
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164 if (err == KErrAlreadyExists) |
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165 User::LeaveIfError(output.Open(rfs, *uncompressedFile,EFileStream | EFileWrite | EFileShareExclusive)); |
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166 else |
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167 User::LeaveIfError(err); |
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168 CleanupClosePushL(output); |
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169 |
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170 CEZGZipToFile *def = CEZGZipToFile::NewLC(rfs,inputFile,output,bufferSize); |
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171 while (def->InflateL()){/*do nothing*/} |
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172 |
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173 _LIT(KHoorah,"Hoorah"); |
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174 console->Printf(KHoorah); |
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175 |
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176 CleanupStack::PopAndDestroy(3); |
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177 } |
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178 else |
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179 { |
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180 TPtrC inputFile(options); |
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181 |
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182 HBufC *compressedFile = HBufC::NewLC(inputFile.Length()+3); |
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183 _LIT(KUfl,"%S.gz"); |
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184 compressedFile->Des().Format(KUfl,&inputFile); |
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185 |
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186 RFile input; |
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187 |
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188 _LIT(KInfo,"Compressing file %S to %S\n"); |
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189 console->Printf(KInfo,&inputFile,compressedFile); |
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190 |
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191 User::LeaveIfError(input.Open(rfs,inputFile,EFileStream | EFileRead | EFileShareAny)); |
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192 CleanupClosePushL(input); |
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193 |
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194 CEZFileToGZip *com = CEZFileToGZip::NewLC(rfs,*compressedFile,input,bufferSize); |
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195 while (com->DeflateL()){/*do nothing*/} |
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196 |
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197 _LIT(KHoorah,"Hoorah"); |
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198 console->Printf(KHoorah); |
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199 |
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200 CleanupStack::PopAndDestroy(3); |
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201 } |
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202 } |
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203 CleanupStack::PopAndDestroy(1); |
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204 rfs.Close(); |
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205 } |
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206 |
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207 |
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208 void ReadAndPrintHeaderL(RFs &rfs, const TDesC &fname) |
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209 { |
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210 TEZGZipHeader header; |
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211 |
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212 if (!EZGZipFile::IsGzipFileL(rfs,fname)) |
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213 { |
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214 _LIT(KNotGzipFile,"%S is not a gzip file\n"); |
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215 console->Printf(KNotGzipFile,&fname); |
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216 User::Leave(1); |
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217 } |
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218 RFile gzipFile; |
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219 User::LeaveIfError(gzipFile.Open(rfs,fname,EFileStream | EFileRead | EFileShareAny)); |
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220 EZGZipFile::ReadHeaderL(gzipFile,header); |
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221 |
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222 _LIT(KFileIds,"ID1 = %d ID2 = %d\n"); |
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223 console->Printf(KFileIds,header.iId1,header.iId2); |
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224 _LIT(KCompressionMethod,"Compression Method = %d\n"); |
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225 console->Printf(KCompressionMethod,header.iCompressionMethod); |
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226 _LIT(KFlags,"Flags = %d\n"); |
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227 console->Printf(KFlags,header.iFlags); |
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228 _LIT(KTime,"Time Stamp = %d\n"); |
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229 console->Printf(KTime,header.iTime); |
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230 _LIT(KExtraFlags,"Extra Flags %d\n"); |
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231 console->Printf(KExtraFlags,header.iExtraFlags); |
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232 _LIT(KOS,"OS %d\n"); |
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233 console->Printf(KOS,header.iOs); |
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234 if (header.iFlags & 4) |
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235 { |
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236 _LIT(KExtraLen,"Extra Length %d\n"); |
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237 console->Printf(KExtraLen,header.iXlen); |
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238 HBufC *buf = HBufC::NewMaxLC(header.iExtra->Length()); |
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239 buf->Des().Copy(*header.iExtra); |
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240 console->Printf(*buf); |
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241 CleanupStack::PopAndDestroy(); |
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242 } |
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243 |
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244 if (header.iFlags & 8) |
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245 { |
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246 _LIT(KName,"Name: %S\n"); |
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247 HBufC *buf = HBufC::NewMaxLC(header.iFname->Length()); |
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248 buf->Des().Copy(*header.iFname); |
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249 console->Printf(KName,buf); |
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250 CleanupStack::PopAndDestroy(); |
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251 } |
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252 |
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253 if (header.iFlags & 16) |
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254 { |
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255 _LIT(KComment,"Comment: %S\n"); |
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256 HBufC *buf = HBufC::NewMaxLC(header.iComment->Length()); |
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257 buf->Des().Copy(*header.iComment); |
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258 console->Printf(KComment,buf); |
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259 CleanupStack::PopAndDestroy(); |
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260 } |
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261 |
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262 if (header.iFlags & 2) |
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263 { |
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264 _LIT(KCrc,"Crc16 = %d\n"); |
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265 console->Printf(KCrc,header.iCrc); |
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266 } |
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267 } |