1 /*

     2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * Element attribute name and value storage class.

    16 * A simple XML parser that implements

    17 * the XML pull parsing interface.

    18 *

    19 */

    20 

    21 

    22 #ifndef __XPP_IMPL__

    23 #define __XPP_IMPL__

    24 

    25 #include <e32base.h>

    26 #include <badesca.h>

    27 #include "XppApi.h"

    28 

    29 /**

    30  * Element attribute name and value storage class

    31  */

    32 class TAttrData

    33     {

    34 public:

    35     TPtrC8 iName;

    36     TPtrC8 iValue;

    37     };

    38 

    39 /**

    40  * A simple XML parser that implements

    41  * the XML pull parsing interface.

    42  */

    43 class CXmlPullParser : public CBase, public MXmlPullParser

    44     {

    45 public: // Construction and destruction

    46     IMPORT_C static CXmlPullParser* NewL(CDesC8ArrayFlat& aStringValueArray);

    47     IMPORT_C static CXmlPullParser* NewLC(CDesC8ArrayFlat& aStringValueArray);

    48     IMPORT_C virtual ~CXmlPullParser();

    49 

    50 private: // Construction

    51     CXmlPullParser();

    52     void ConstructL(CDesC8ArrayFlat& aStringValueArray);

    53 

    54 public: // MXmlPullParser methods

    55     IMPORT_C void SetInput(const TDesC8& aInput);

    56     IMPORT_C TInt NextL();

    57     IMPORT_C CXmlPullParser::TParserState State();

    58     IMPORT_C TInt Name(TPtrC8& aName);

    59     IMPORT_C TInt PathL(TPtrC8& aPath);

    60     IMPORT_C TInt Depth(TInt& aDepth);

    61     IMPORT_C TInt AttributeCount(TInt& aCount);

    62     IMPORT_C TInt AttributeName(TInt aIndex, TPtrC8& aName);

    63     IMPORT_C TInt AttributeValuePredefEntitiesNotEscaped(TInt aIndex, TPtrC8& aValue);

    64     IMPORT_C TInt AttributeValuePredefEntitiesNotEscaped(const TDesC8& aName, TPtrC8& aValue);

    65     IMPORT_C TInt AttributeValueL(TInt aIndex, TPtrC8& aValue);

    66     IMPORT_C TInt AttributeValueL(const TDesC8& aName, TPtrC8& aValue);

    67     IMPORT_C TInt IsEmptyElement(TBool& aIsEmptyElement);

    68     IMPORT_C TInt TextPredefEntitiesNotEscaped(TPtrC8& aText);

    69     IMPORT_C TInt TextL(TPtrC8& aText);

    70     IMPORT_C TInt Pos();

    71     IMPORT_C TInt CurrentElementPos();

    72     IMPORT_C TInt Length();

    73     IMPORT_C TPtrC8 DocPart(TInt aStartPos, TInt aEndPos);

    74 

    75 private:  // private methods

    76     void CheckSpaceL(const TDesC8& aText);

    77     TInt SkipLeadingNonRelevantElements();

    78     TInt SkipNonRelevantElements();

    79     TInt GetElementStartTagL();

    80     TInt GetElementText();

    81     TBool CheckIfNextEndTag();

    82     TBool CheckIfNextStartTag();

    83     TInt GetElementEndTag();

    84     TBool CheckIfEndOfFile();

    85     void CheckStringValueBufferSpaceL(const TDesC8& aValue);

    86     TInt EscapeCharRefAndPreDefEntities();

    87     TInt PredefinedEntitiesEscaped();

    88     TInt CharacterReferencesEscaped();

    89 

    90 private:

    91     TParserState iState;

    92     //const TDesC8* iInput;

    93     TPtrC8 iText;  // element text

    94 

    95     CArrayFixFlat<TAttrData> *iCAttrDataArray;

    96 

    97     TPtrC8 iDocument;  // pointer to whole document to parse

    98     TLexMark8 iMarkPosition;

    99     TPtrC8 iDocPart;

   100     TLex8 iLexer;

   101     TInt iCurrentElementPos;

   102 

   103     HBufC8* iPathBuf;

   104     TPtr8 iPathBufPtr;

   105     

   106     TPtrC8 iElement;  // element name

   107     TInt iDepth;

   108     TBool iIsEmptyElement;

   109 

   110     TBool iCdataStartFound;

   111     TBool iCdataSectionText;

   112 

   113     HBufC8* iStringValue;  // used when entities are escaped

   114     TPtr8 iStringValuePtr;

   115 

   116     CDesC8ArrayFlat* iStringValueArray;

   117 

   118     };

   119 

   120 

   121 #endif // __XPP_IMPL__