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1 // Copyright (c) 2008-2009 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 "parsehandlerbase.h" |
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17 CParseHandlerBase::~CParseHandlerBase() |
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18 { |
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19 delete iChildParser; |
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20 iString.Close(); |
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21 } |
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22 |
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23 void CParseHandlerBase::StartChildParserL(CParseHandlerBase* aChildParser, const RTagInfo& aElement, const RAttributeArray& aAttributes) |
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24 { |
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25 if(iChildParser) |
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26 { |
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27 User::Leave(KErrCorrupt); |
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28 } |
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29 else |
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30 { |
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31 delete iChildParser; |
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32 iChildParser = aChildParser; |
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33 iChildParser->ParseStartElementL(aElement, aAttributes); |
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34 } |
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35 } |
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36 |
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37 void CParseHandlerBase::OnContentL(const TDesC8& aBytes, TInt aErrorCode) |
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38 { |
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39 if(iChildParser) |
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40 { |
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41 iChildParser->OnContentL(aBytes, aErrorCode); |
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42 } |
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43 else |
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44 { |
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45 User::LeaveIfError(aErrorCode); |
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46 ParseContentL(aBytes); |
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47 } |
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48 } |
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49 |
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50 |
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51 void CParseHandlerBase::OnStartElementL(const RTagInfo& aElement, const RAttributeArray& aAttributes, TInt aErrorCode) |
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52 { |
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53 if(iChildParser) |
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54 { |
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55 // If the child handler is present get it to parse the tags |
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56 iChildParser->OnStartElementL(aElement, aAttributes, aErrorCode); |
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57 } |
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58 else |
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59 { |
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60 User::LeaveIfError(aErrorCode); |
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61 ParseStartElementL(aElement, aAttributes); |
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62 } |
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63 } |
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64 |
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65 void CParseHandlerBase::OnEndElementL(const RTagInfo& aElement, TInt aErrorCode) |
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66 { |
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67 if(iChildParser) |
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68 { |
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69 iChildParser->OnEndElementL(aElement, aErrorCode); |
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70 if(!iChildParser->SiblingCount()) |
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71 { |
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72 // finished with child parser handler |
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73 delete iChildParser; |
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74 iChildParser = NULL; |
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75 } |
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76 } |
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77 else |
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78 { |
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79 // Overriden by derived classes to implement specific behavior for an end tag |
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80 User::LeaveIfError(aErrorCode); |
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81 ParseEndElementL(aElement); |
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82 } |
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83 } |
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84 |
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85 void CParseHandlerBase::OnStartPrefixMappingL(const RString& aPrefix, const RString& aUri, TInt aErrorCode) |
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86 { |
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87 User::LeaveIfError(aErrorCode); |
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88 if(iChildParser) |
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89 { |
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90 iChildParser->OnStartPrefixMappingL( aPrefix , aUri, aErrorCode ); |
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91 } |
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92 else |
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93 ParsePrefixL( aPrefix , aUri ); |
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94 } |
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95 |
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96 TBool CParseHandlerBase::IsBlankSpace(const TDesC8& aBytes) |
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97 { |
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98 RBuf8 trimBuf; |
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99 TBool retValue = EFalse; |
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100 trimBuf.Create(aBytes); |
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101 trimBuf.Trim(); |
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102 |
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103 if(!trimBuf.Length()) |
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104 retValue = ETrue; |
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105 trimBuf.Close(); |
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106 |
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107 return retValue; |
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108 } |
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109 |
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110 |