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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 #ifndef __PARSERIMPL_H__ |
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17 #define __PARSERIMPL_H__ |
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18 |
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19 #include <xml/contentprocessoruids.h> // needed for the typedef |
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20 #include <xml/plugins/elementstack.h> // needed for the typedef |
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21 #include <xml/matchdata.h> |
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22 |
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23 class RFs; |
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24 |
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25 namespace Xml |
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26 { |
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27 class MContentHandler; |
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28 class MContentProcessor; |
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29 class MParser; |
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30 class CCharSetConverter; |
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31 class RStringDictionaryCollection; |
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32 |
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33 |
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34 class TParserImpl |
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35 /** The TParserImpl class hides the implementation of the CParser. |
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36 It is responsible for building and maintaining the list of plugins |
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37 in the parsing chain, and has ownership of several key objects within |
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38 the framework. */ |
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39 { |
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40 public: |
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41 |
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42 TParserImpl(); |
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43 |
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44 void OpenL(const CMatchData& aMatchData, MContentHandler& aCallback); |
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45 void Close(); |
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46 |
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47 |
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48 void ParseFileL(RFs& aFs, const TDesC& aFilename); |
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49 |
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50 void ParseChunkL(const TDesC8& aChunk); |
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51 void ParseLastChunkL(const TDesC8& aFinalChunk); |
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52 |
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53 void SetContentHandler(MContentHandler& aCallback); |
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54 void SetProcessorChainL(const RContentProcessorUids& aPlugins); |
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55 void SetMimeTypeL(const CMatchData& aCriteria); |
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56 void ResetMimeTypeL(); |
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57 |
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58 TInt EnableFeature(TInt aParserFeature); |
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59 TInt DisableFeature(TInt aParserFeature); |
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60 TBool IsFeatureEnabled(TInt aParserFeature) const; |
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61 |
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62 void AddPreloadedDictionaryL(const TDesC8& aPublicId); |
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63 |
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64 RStringPool& StringPool(); |
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65 RStringDictionaryCollection& StringDictionaryCollection(); |
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66 |
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67 private: |
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68 |
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69 TParserImpl(const TParserImpl& aOriginal); |
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70 TParserImpl& operator=(const TParserImpl& aRhs); |
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71 |
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72 MContentHandler* BuildChainL(MContentHandler& aCallback, |
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73 const RContentProcessorUids& aPlugins); |
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74 |
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75 void DestroyChain(); |
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76 |
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77 MParser* ConstructParserL(const CMatchData& aMatchData, MContentHandler& aCallback); |
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78 |
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79 MContentProcessor* ConstructPluginInReverseL(const TUid& aImplementationUid, |
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80 MContentHandler& aCallback); |
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81 |
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82 private: |
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83 |
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84 /** The common element stack for this collection of plugins. */ |
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85 RElementStack iElementStack; |
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86 |
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87 struct TDtorContentProcessorPtrMapping |
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88 { |
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89 TUid iDtorKey; |
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90 MContentProcessor* iContentProcessor; |
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91 }; |
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92 |
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93 static void DestroyContentProcessorPtrMapping(TAny* aPtr); |
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94 |
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95 /** The collection of MContentProcessor pointers and Dtor keys that make up the chain of command. |
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96 The chain order is determined by the the index, 0 being the first plugin in the chain. */ |
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97 RPointerArray<TDtorContentProcessorPtrMapping> iDtorKeyAndPluginList; |
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98 |
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99 TUid iParserDtorKey; |
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100 MParser* iParser; |
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101 CCharSetConverter* iCharSetConverter; |
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102 RStringDictionaryCollection* iStringDictionaryCollection; |
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103 MContentHandler* iClient; |
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104 CMatchData iDefParserMatchData; |
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105 CMatchData iCurrentParserMatchData; |
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106 }; |
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107 |
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108 } |
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109 |
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110 #endif //__PARSERIMPL_H__ |