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1 // error.h |
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2 // |
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3 // Copyright (c) 2008 - 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 |
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14 #ifndef __ERROR_H__ |
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15 #define __ERROR_H__ |
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16 |
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17 #include <e32base.h> |
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18 |
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19 class RIoWriteHandle; |
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20 namespace IoUtils |
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21 { |
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22 class CEnvironment; |
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23 } |
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24 |
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25 |
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26 class TError |
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27 { |
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28 public: |
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29 enum TReason |
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30 { |
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31 EUnknown, |
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32 EFailedToCreatePipeLine, |
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33 EFailedToConstructCommand, |
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34 EFailedToRunCommand, |
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35 EFailedToSetChildErrorVar, |
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36 ECommandError, |
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37 EFailedToSetScriptLineVar, |
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38 }; |
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39 public: |
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40 TError(RIoWriteHandle& aStderr, IoUtils::CEnvironment& aEnv); |
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41 void Set(const TError& aError); |
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42 void Set(TInt aError, TReason aReason); |
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43 void Set(TInt aError, TReason aReason, TRefByValue<const TDesC> aFmt, ...); |
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44 void Report() const; |
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45 TInt Error() const; |
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46 TReason Reason() const; |
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47 const TDesC* Context() const; |
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48 const TDesC& ScriptFileName() const; |
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49 TInt ScriptLineNumber() const; |
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50 private: |
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51 void Format(TRefByValue<const TDesC> aFmt, ...); |
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52 void FormatList(TRefByValue<const TDesC> aFmt, VA_LIST& aList); |
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53 void LogIfRequired(TInt aError, TReason aReason, TRefByValue<const TDesC> aFmt, ...); |
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54 void LogListIfRequired(TInt aError, TReason aReason, TRefByValue<const TDesC> aFmt, VA_LIST& aList); |
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55 const TDesC* StringifyReason(TReason aReason) const; |
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56 TBool Verbose() const; |
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57 void NewLine() const; |
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58 void PrintError() const; |
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59 void FormatError(TRefByValue<const TDesC> aFmt, ...) const; |
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60 private: |
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61 RIoWriteHandle* iStderr; |
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62 IoUtils::CEnvironment* iEnv; |
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63 TInt iError; |
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64 TReason iReason; |
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65 TBool iSet; |
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66 TBuf<256> iContext; |
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67 mutable TBuf<512> iScratch; |
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68 TFileName iScriptFileName; |
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69 TInt iScriptLineNumber; |
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70 }; |
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71 |
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72 |
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73 #endif // __ERROR_H__ |