1 /*

     2 * Copyright (c) 2005 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 *    

    16 *

    17 */

    18 

    19 

    20 #ifndef MLATTRIBUTESPARSE_H

    21 #define MLATTRIBUTESPARSE_H

    22 

    23 // disable "identifier was truncated to '255' characters in the browser information" warning

    24 #pragma warning (disable:4786)

    25 

    26 #include "LayoutCompilerErr.h"

    27 #include "MLAttributes.h"

    28 

    29 #include <avkon.hrh> // for logical font ids

    30 

    31 #include "SaxErrorHandler.h"

    32 

    33 #include <vector>

    34 #include <string>

    35 #include <iosfwd>

    36 #include <stack>

    37 

    38 using namespace std;

    39 

    40 

    41 //

    42 // defines

    43 //

    44 

    45 /**

    46  * this is the interface to the SAX handler

    47  */

    48 class MSaxLayoutAttributesHandler

    49 	{

    50 public:

    51 	typedef SAX::basic_Attributes<std::string> TAttribs; // this is XML Attribs, not to be confused with layout attibutes!

    52 	virtual MSaxLayoutAttributesHandler* HandleSax(const std::string& aElement, const TAttribs& aAttribs) { return this; };

    53 	virtual void HandleSaxEnd(const std::string& aElement) { };

    54 	};

    55 

    56 

    57 /**

    58  * this corresponds to an attribute set in the xml

    59  */

    60 class TMLAttributeSetParse : public TMLAttributeSet, public MSaxLayoutAttributesHandler

    61 	{

    62 public:

    63 	TMLAttributeSetParse(TMLAttributes* aAttributes);

    64 public: // from MSaxLayoutHandler

    65 	MSaxLayoutAttributesHandler* HandleSax(const std::string& aElement, const TAttribs& aAttribs);

    66 	void HandleSaxEnd(const std::string& aElement);

    67 public: // new methods

    68 	int CompId() const;

    69 	string Name() const;

    70 private:

    71 	void HandleSaxAttribute(const TAttribs& aAttribs);

    72 	void HandleSaxCalc(const TAttribs& aAttribs);

    73 private:

    74 	int iId;

    75 	int iCompId;

    76 	string iName;

    77 	TMLAttributeZoomLevels* iSaxZoomLevels;

    78 	};

    79 

    80 /**

    81  *  this corresponds to attributes in the xml

    82  */

    83 class TMLAttributesParse : public TMLAttributes, public MSaxLayoutAttributesHandler

    84 	{

    85 public:

    86 	static auto_ptr<TMLAttributesParse> Parse(const string& aLayName);

    87 	TMLAttributesParse();

    88 public: // from MSaxLayoutHandler

    89 	MSaxLayoutAttributesHandler* HandleSax(const std::string& aElement, const TAttribs& aAttribs);

    90 	void HandleSaxEnd(const std::string& aElement);

    91 private: // owned

    92 	TMLAttributeSetParse* iSaxAttributeSet;

    93 	};

    94 

    95 /**

    96  * this is the main SAX parser implementation

    97  */

    98 class TLayoutAttributesSaxParser : private SAX::basic_DefaultHandler<std::string>

    99 	{

   100 private:

   101 	typedef stack<MSaxLayoutAttributesHandler*> TSaxAttributesHandlerStack;

   102 	typedef SAX::basic_ErrorHandler<std::string>::SAXParseExceptionT TException;

   103 

   104 public:

   105 	TLayoutAttributesSaxParser(MSaxLayoutAttributesHandler* aHandler);

   106 	void Parse(const std::string& aFileName);

   107 

   108 private: // from basic_DefaultHandler

   109 	void startElement(const std::string& namespaceURI, const std::string& localName, const std::string& qName, const SAX::basic_Attributes<std::string>& atts);

   110 	void endElement(const std::string& namespaceURI, const std::string& localName, const std::string& qName);

   111 

   112 	void warning(const TException& aException);

   113 	void error(const TException& aException);

   114 	void fatalError(const TException& aException);

   115 

   116 private:

   117 	TSaxAttributesHandlerStack iStack;	// stack content not owned

   118 	};

   119 

   120 

   121 #endif // MLATTRIBUTESPARSE_H

   122 

   123 // End of File