/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#ifndef INCLUDED_OOXML_FAST_CONTEXT_HANDLER_HXX
#define INCLUDED_OOXML_FAST_CONTEXT_HANDLER_HXX

#include <com/sun/star/xml/sax/XFastShapeContextHandler.hpp>

#include <string>
#include <set>
#include "sal/config.h"
#include "com/sun/star/uno/XComponentContext.hpp"
#include "cppuhelper/implbase1.hxx"
#include "com/sun/star/xml/sax/XFastContextHandler.hpp"
#include "OOXMLParserState.hxx"
#include "OOXMLPropertySetImpl.hxx"
#include "OOXMLDocumentImpl.hxx"
#include "RefAndPointer.hxx"
#include <ooxml/OOXMLFastTokens.hxx>

namespace writerfilter {
namespace ooxml
{
using namespace ::std;
using namespace ::com::sun::star;
using namespace ::com::sun::star::xml::sax;

typedef boost::shared_ptr<Stream> StreamPointer_t;

class OOXMLFastContextHandler:
    public ::cppu::WeakImplHelper1<
        xml::sax::XFastContextHandler>
{
public:
    typedef RefAndPointer<XFastContextHandler, OOXMLFastContextHandler> 
    RefAndPointer_t;
    typedef boost::shared_ptr<OOXMLFastContextHandler> Pointer_t;

    enum ResourceEnum_t { UNKNOWN, STREAM, PROPERTIES, TABLE, SHAPE };

    OOXMLFastContextHandler();

    explicit OOXMLFastContextHandler(
        uno::Reference< uno::XComponentContext > const & context );

    explicit OOXMLFastContextHandler(
        OOXMLFastContextHandler * pContext );

    virtual ~OOXMLFastContextHandler();

    // ::com::sun::star::xml::sax::XFastContextHandler:
    virtual void SAL_CALL startFastElement
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void SAL_CALL startUnknownElement
    (const ::rtl::OUString & Namespace, 
     const ::rtl::OUString & Name, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void SAL_CALL endFastElement(sal_Int32 Element) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void SAL_CALL endUnknownElement
    (const ::rtl::OUString & Namespace, const ::rtl::OUString & Name) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual uno::Reference< xml::sax::XFastContextHandler > SAL_CALL 
    createFastChildContext
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual uno::Reference< xml::sax::XFastContextHandler > SAL_CALL 
    createUnknownChildContext
    (const ::rtl::OUString & Namespace, 
     const ::rtl::OUString & Name, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void SAL_CALL characters(const ::rtl::OUString & aChars) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    static const uno::Sequence< sal_Int8 > & getUnoTunnelId();
    virtual sal_Int64 SAL_CALL getSomething(const uno::Sequence<sal_Int8> & rId)
        throw (uno::RuntimeException);

    // local

    void setStream(Stream * pStream);

    /**
       Return value of this context(element).

       @return  the value
     */
    virtual OOXMLValue::Pointer_t getValue() const;

    /**
       Returns a string describing the type of the context.

       This is the name of the define normally.

       @return type string
     */
    virtual string getType() const { return "??"; }

    virtual ResourceEnum_t getResource() const { return STREAM; }

    virtual void attributes
    (const uno::Reference< xml::sax::XFastAttributeList > & Attribs)
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void newProperty(const Id & rId, OOXMLValue::Pointer_t pVal);
    virtual void setPropertySet(OOXMLPropertySet::Pointer_t pPropertySet);
    virtual OOXMLPropertySet::Pointer_t getPropertySet() const;

    virtual void setToken(Token_t nToken);
    virtual Token_t getToken() const;

    void mark(const Id & rId, OOXMLValue::Pointer_t pVal);

    void resolveFootnote( const sal_Int32 nIDForXNoteStream );
    void resolveEndnote( const sal_Int32 nIDForXNoteStream );
    void resolveComment( const sal_Int32 nIDForXNoteStream );

    void resolvePicture(const rtl::OUString & rId);
    void resolveHeader(const sal_Int32 type, 
                                const rtl::OUString & rId);
    void resolveFooter(const sal_Int32 type, 
                                const rtl::OUString & rId);
    void resolveOLE(const rtl::OUString & rId);

    ::rtl::OUString getTargetForId(const ::rtl::OUString & rId);

    uno::Reference < xml::sax::XFastContextHandler > 
    createFromStart
    (sal_uInt32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs);

    void setDocument(OOXMLDocument * pDocument);
    OOXMLDocument * getDocument();

    void setIDForXNoteStream(OOXMLValue::Pointer_t pValue);

    void setForwardEvents(bool bForwardEvents);
    bool isForwardEvents() const;
    virtual void setParent(OOXMLFastContextHandler * pParent);
    virtual void setId(Id nId);
    virtual Id getId() const;
    
    void setDefine(Id nDefine);
    Id getDefine() const;

    OOXMLParserState::Pointer_t getParserState() const;
    
    void sendTableDepth() const;
    void setHandle();

    void startSectionGroup();
    void setLastParagraphInSection();
    void endSectionGroup();
    void startParagraphGroup();
    void endParagraphGroup();
    void startCharacterGroup();
    void endCharacterGroup();

    void startField();
    void fieldSeparator();
    void endField();
    void ftnednref();
    void ftnedncont();
    void ftnednsep();
    void pgNum();
    void tab();
    void cr();
    void noBreakHyphen();
    void softHyphen();
    void handleLastParagraphInSection();
    void endOfParagraph();
    void text(const ::rtl::OUString & sText);
    virtual void propagateCharacterProperties();
    virtual void propagateCharacterPropertiesAsSet(const Id & rId);
    virtual void propagateTableProperties();
    virtual void propagateRowProperties();
    virtual void propagateCellProperties();
    virtual bool propagatesProperties() const;
    void sendPropertiesWithId(const Id & rId);
    void sendPropertiesToParent();
    void sendCellProperties();
    void sendRowProperties();
    void sendTableProperties();
    void clearTableProps();
    void clearProps();

    virtual void setDefaultBooleanValue();
    virtual void setDefaultIntegerValue();
    virtual void setDefaultHexValue();
    virtual void setDefaultStringValue();
        
    void sendPropertyToParent();

#ifdef DEBUG
    static XMLTag::Pointer_t toPropertiesTag(OOXMLPropertySet::Pointer_t);
    virtual XMLTag::Pointer_t toTag() const;
    virtual string toString() const;
#endif

protected:
    OOXMLFastContextHandler * mpParent;
    Id mId;
    Id mnDefine;
    Token_t mnToken;
    
    // the stream to send the stream events to.
    Stream * mpStream;

    // the current global parser state
    OOXMLParserState::Pointer_t mpParserState;

    // the table depth of this context
    unsigned int mnTableDepth;

    virtual void lcl_startFastElement
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void lcl_endFastElement(sal_Int32 Element) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual uno::Reference< xml::sax::XFastContextHandler > 
    lcl_createFastChildContext
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void lcl_characters(const ::rtl::OUString & aChars)         
        throw (uno::RuntimeException, xml::sax::SAXException);

    void startAction(sal_Int32 Element);
    virtual void lcl_startAction(sal_Int32 Element);
    void endAction(sal_Int32 Element);    
    virtual void lcl_endAction(sal_Int32 Element);


    // Returns string for resource of this context. (debug)
    string getResourceString() const;

    virtual OOXMLPropertySet * getPicturePropSet
    (const ::rtl::OUString & rId);
    virtual void resolvePropertySetAttrs();

    uno::Reference< uno::XComponentContext > getComponentContext();

    sal_uInt32 mnInstanceNumber;
    sal_uInt32 mnRefCount;
private:
    void operator =(OOXMLFastContextHandler &); // not defined

    uno::Reference< uno::XComponentContext > m_xContext;

    static sal_uInt32 mnInstanceCount;

};

class OOXMLFastContextHandlerStream : public OOXMLFastContextHandler
{
public:
    OOXMLFastContextHandlerStream(OOXMLFastContextHandler * pContext);
    virtual ~OOXMLFastContextHandlerStream();

    virtual ResourceEnum_t getResource() const { return STREAM; }    

    OOXMLPropertySet::Pointer_t getPropertySetAttrs() const;

    virtual void newProperty(const Id & rId, OOXMLValue::Pointer_t pVal);
    virtual void sendProperty(Id nId);
    virtual OOXMLPropertySet::Pointer_t getPropertySet() const;

    void handleHyperlink();

protected:
    virtual void resolvePropertySetAttrs();

private:
    mutable OOXMLPropertySet::Pointer_t mpPropertySetAttrs;
};

class OOXMLFastContextHandlerProperties : public OOXMLFastContextHandler
{
public:
    OOXMLFastContextHandlerProperties(OOXMLFastContextHandler * pContext);
    virtual ~OOXMLFastContextHandlerProperties();

    virtual OOXMLValue::Pointer_t getValue() const;
    virtual ResourceEnum_t getResource() const { return PROPERTIES; }

    virtual void newProperty(const Id & nId, OOXMLValue::Pointer_t pVal);

    void handleXNotes();
    void handleHdrFtr();
    void handleComment();
    void handlePicture();
    void handleBreak();
    void handleOLE();

    virtual void setPropertySet(OOXMLPropertySet::Pointer_t pPropertySet);
    virtual OOXMLPropertySet::Pointer_t getPropertySet() const;

#ifdef DEBUG
    virtual XMLTag::Pointer_t toTag() const;
#endif

protected:
    /// the properties
    OOXMLPropertySet::Pointer_t mpPropertySet;

    virtual void lcl_endFastElement(sal_Int32 Element) 
        throw (uno::RuntimeException, xml::sax::SAXException);
    virtual void setParent(OOXMLFastContextHandler * pParent);

private:
    
    bool mbResolve;    
};

class OOXMLFastContextHandlerPropertyTable : 
    public OOXMLFastContextHandlerProperties
{
public:
    OOXMLFastContextHandlerPropertyTable(OOXMLFastContextHandler * pContext);
    virtual ~OOXMLFastContextHandlerPropertyTable();

protected:
    OOXMLTableImpl mTable;

    virtual void lcl_endFastElement(sal_Int32 Element)
        throw (uno::RuntimeException, xml::sax::SAXException);
 };
 
class OOXMLFastContextHandlerValue :
    public OOXMLFastContextHandler
{
public:
    OOXMLFastContextHandlerValue
    (OOXMLFastContextHandler * pContext);
    virtual ~OOXMLFastContextHandlerValue();
    
    virtual void setValue(OOXMLValue::Pointer_t pValue);
    virtual OOXMLValue::Pointer_t getValue() const;
    
    virtual void lcl_endFastElement(sal_Int32 Element) 
    throw (uno::RuntimeException, xml::sax::SAXException);

    virtual string getType() const { return "Value"; }
    
    virtual void setDefaultBooleanValue();
    virtual void setDefaultIntegerValue();
    virtual void setDefaultHexValue();
    virtual void setDefaultStringValue();
    
protected:
    OOXMLValue::Pointer_t mpValue;
};

class OOXMLFastContextHandlerTable : public OOXMLFastContextHandler
{
public:
    OOXMLFastContextHandlerTable(OOXMLFastContextHandler * pContext);
    virtual ~OOXMLFastContextHandlerTable();

    virtual uno::Reference< xml::sax::XFastContextHandler > SAL_CALL 
    createFastChildContext
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void newPropertySet(OOXMLPropertySet::Pointer_t pPropertySet);
protected:
    OOXMLTableImpl mTable;

    RefAndPointer_t mCurrentChild;

    virtual void lcl_endFastElement(sal_Int32 Element) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual ResourceEnum_t getResource() const { return TABLE; }
    
    virtual string getType() const { return "Table"; }

    void addCurrentChild();
};

class OOXMLFastContextHandlerXNote : public OOXMLFastContextHandlerProperties
{
public:
    OOXMLFastContextHandlerXNote(OOXMLFastContextHandler * pContext);
    virtual ~OOXMLFastContextHandlerXNote();

    void checkId(OOXMLValue::Pointer_t pValue);
    
    virtual string getType() const { return "XNote"; }
    
private:
    bool mbForwardEventsSaved;    
    sal_Int32 mnMyXNoteId;

    virtual void lcl_startFastElement
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void lcl_endFastElement(sal_Int32 Element) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual ResourceEnum_t getResource() const { return STREAM; }
};

class OOXMLFastContextHandlerTextTableCell : public OOXMLFastContextHandler
{
public:
    OOXMLFastContextHandlerTextTableCell
    (OOXMLFastContextHandler * pContext);
    virtual ~OOXMLFastContextHandlerTextTableCell();
    
    virtual string getType() const { return "TextTableCell"; }

    void startCell();
    void endCell();    
};

class OOXMLFastContextHandlerTextTableRow : public OOXMLFastContextHandler
{
public:
    OOXMLFastContextHandlerTextTableRow
    (OOXMLFastContextHandler * pContext);
    virtual ~OOXMLFastContextHandlerTextTableRow();
    
    virtual string getType() const { return "TextTableRow"; } 

    void startRow();
    void endRow();    
};

class OOXMLFastContextHandlerTextTable : public OOXMLFastContextHandler
{
public:
    OOXMLFastContextHandlerTextTable
    (OOXMLFastContextHandler * pContext);

    virtual ~OOXMLFastContextHandlerTextTable();
    
    virtual string getType() const { return "TextTable"; }

protected:
    virtual void lcl_startFastElement
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void lcl_endFastElement(sal_Int32 Element) 
        throw (uno::RuntimeException, xml::sax::SAXException);
};

class OOXMLFastContextHandlerShape: public OOXMLFastContextHandlerProperties
{
private:
    bool m_bShapeSent;
    bool m_bShapeStarted;

public:
    explicit OOXMLFastContextHandlerShape
    (OOXMLFastContextHandler * pContext);
    virtual ~OOXMLFastContextHandlerShape();
    
    virtual string getType() const { return "Shape"; }

    // ::com::sun::star::xml::sax::XFastContextHandler:
    virtual void SAL_CALL startUnknownElement
    (const ::rtl::OUString & Namespace, 
     const ::rtl::OUString & Name, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void SAL_CALL endUnknownElement
    (const ::rtl::OUString & Namespace, 
     const ::rtl::OUString & Name) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual uno::Reference< xml::sax::XFastContextHandler > SAL_CALL 
    createUnknownChildContext
    (const ::rtl::OUString & Namespace, 
     const ::rtl::OUString & Name, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);
        
    virtual void setToken(Token_t nToken);
    
    virtual ResourceEnum_t getResource() const { return SHAPE; }

    void sendShape( Token_t Element );

protected:
    typedef uno::Reference<XFastShapeContextHandler> ShapeContextRef;
    ShapeContextRef mrShapeContext;

    virtual void lcl_startFastElement
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void lcl_endFastElement(sal_Int32 Element) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual uno::Reference< xml::sax::XFastContextHandler > 
    lcl_createFastChildContext
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void lcl_characters(const ::rtl::OUString & aChars)
                throw (uno::RuntimeException, xml::sax::SAXException);

};

/**
   OOXMLFastContextHandlerWrapper wraps an OOXMLFastContextHandler.

   The method calls for the interface 
   ::com::sun::star::xml::sax::XFastContextHandler are forwarded to the wrapped
   OOXMLFastContextHandler.
 */
class OOXMLFastContextHandlerWrapper : public OOXMLFastContextHandler
{
public:
    explicit OOXMLFastContextHandlerWrapper
    (OOXMLFastContextHandler * pParent, 
     uno::Reference<XFastContextHandler>  xContext);
    virtual ~OOXMLFastContextHandlerWrapper();
    
    // ::com::sun::star::xml::sax::XFastContextHandler:
    virtual void SAL_CALL startUnknownElement
    (const ::rtl::OUString & Namespace, 
     const ::rtl::OUString & Name, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void SAL_CALL endUnknownElement
    (const ::rtl::OUString & Namespace, 
     const ::rtl::OUString & Name) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual uno::Reference< xml::sax::XFastContextHandler > SAL_CALL 
    createUnknownChildContext
    (const ::rtl::OUString & Namespace, 
     const ::rtl::OUString & Name, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);
    
    virtual void attributes
    (const uno::Reference< xml::sax::XFastAttributeList > & Attribs)
    throw (uno::RuntimeException, xml::sax::SAXException);

    virtual ResourceEnum_t getResource() const;

    void addNamespace(const Id & nId);
    void addToken( Token_t Element );

    virtual void newProperty(const Id & rId, OOXMLValue::Pointer_t pVal);
    virtual void setPropertySet(OOXMLPropertySet::Pointer_t pPropertySet);
    virtual OOXMLPropertySet::Pointer_t getPropertySet() const; 

    virtual string getType() const;

protected:
    virtual void lcl_startFastElement
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void lcl_endFastElement(sal_Int32 Element) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual uno::Reference< xml::sax::XFastContextHandler > 
    lcl_createFastChildContext
    (sal_Int32 Element, 
     const uno::Reference< xml::sax::XFastAttributeList > & Attribs) 
        throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void lcl_characters(const ::rtl::OUString & aChars)
                throw (uno::RuntimeException, xml::sax::SAXException);

    virtual void setId(Id nId);
    virtual Id getId() const;

    virtual void setToken(Token_t nToken);
    virtual Token_t getToken() const;

private:
    uno::Reference<XFastContextHandler> mxContext;
    set<Id> mMyNamespaces;
    set<Token_t> mMyTokens;
    OOXMLPropertySet::Pointer_t mpPropertySet;

    OOXMLFastContextHandler * getFastContextHandler() const;
};
}}
#endif // INCLUDED_OOXML_FAST_CONTEXT_HANDLER_HXX