xref: /trunk/main/framework/inc/xml/acceleratorconfigurationreader.hxx (revision 30acf5e8)

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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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#ifndef _FRAMEWORK_XML_ACCELERATORCONFIGURATIONREADER_HXX_
#define _FRAMEWORK_XML_ACCELERATORCONFIGURATIONREADER_HXX_

//_______________________________________________
// own includes

#include <accelerators/acceleratorcache.hxx>
#include <accelerators/keymapping.hxx>
#include <macros/xinterface.hxx>
#include <threadhelp/threadhelpbase.hxx>
#include <general.h>

//_______________________________________________
// interface includes

#ifndef __COM_SUN_STAR_XML_SAX_XDOCUMENTHANDLER_HPP_
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#endif

#ifndef __COM_SUN_STAR_XML_SAX_XLOCATOR_HPP_
#include <com/sun/star/xml/sax/XLocator.hpp>
#endif

//_______________________________________________
// other includes
#include <salhelper/singletonref.hxx>
#include <cppuhelper/weak.hxx>
#include <rtl/ustring.hxx>

namespace framework{

class AcceleratorConfigurationReader : public  css::xml::sax::XDocumentHandler
                                     , private ThreadHelpBase
                                     , public  ::cppu::OWeakObject
{
    //-------------------------------------------
    // const, types

    private:

        //---------------------------------------
        /** @short  classification of XML elements. */
		enum EXMLElement
		{
			E_ELEMENT_ACCELERATORLIST,
			E_ELEMENT_ITEM
        };

        //---------------------------------------
        /** @short  classification of XML attributes. */
        enum EXMLAttribute
        {
			E_ATTRIBUTE_KEYCODE,
			E_ATTRIBUTE_MOD_SHIFT,
			E_ATTRIBUTE_MOD_MOD1,
			E_ATTRIBUTE_MOD_MOD2,
                        E_ATTRIBUTE_MOD_MOD3,
			E_ATTRIBUTE_URL
		};

        //---------------------------------------
        /** @short  some namespace defines */
		enum EAcceleratorXMLNamespace
		{
			E_NAMESPACE_ACCEL,
			E_NAMESPACE_XLINK
		};

    //-------------------------------------------
    // member

    private:

        //---------------------------------------
        /** @short  needed to read the xml configuration. */
        css::uno::Reference< css::xml::sax::XDocumentHandler > m_xReader;

        //---------------------------------------
        /** @short  reference to the outside container, where this
                    reader/writer must work on. */
        AcceleratorCache& m_rContainer;

        //---------------------------------------
        /** @short  used to detect if an accelerator list
                    occurs recursive inside xml. */
		sal_Bool m_bInsideAcceleratorList;

        //---------------------------------------
        /** @short  used to detect if an accelerator item
                    occurs recursive inside xml. */
		sal_Bool m_bInsideAcceleratorItem;

        //---------------------------------------
        /** @short  is used to map key codes to its
                    string representation.

            @descr  To perform this operatio is
                    created only one times and holded
                    alive forever ...*/
        ::salhelper::SingletonRef< KeyMapping > m_rKeyMapping;

        //---------------------------------------
        /** @short  provide informations abou the parsing state.

            @descr  We use it to find out the line and column, where
                    an error occur.
          */
		css::uno::Reference< css::xml::sax::XLocator > m_xLocator;

/*        SfxAcceleratorItemList& m_aReadAcceleratorList;
*/

    //-------------------------------------------
    // interface

	public:

        //---------------------------------------
        /** @short  connect this new reader/writer instance
                    to an outside container, which should be used
                    flushed to the underlying XML configuration or
                    filled from there.

            @param  rContainer
                    a reference to the outside container.
          */
        AcceleratorConfigurationReader(AcceleratorCache& rContainer);

        //---------------------------------------
        /** @short  does nothing real ... */
		virtual ~AcceleratorConfigurationReader();

        //---------------------------------------
        // XInterface
        FWK_DECLARE_XINTERFACE

        //---------------------------------------
		// XDocumentHandler
		virtual void SAL_CALL startDocument()
			throw(css::xml::sax::SAXException,
                  css::uno::RuntimeException );

		virtual void SAL_CALL endDocument()
			throw(css::xml::sax::SAXException,
                  css::uno::RuntimeException );

		virtual void SAL_CALL startElement(const ::rtl::OUString&                                      sElement      ,
			                               const css::uno::Reference< css::xml::sax::XAttributeList >& xAttributeList)
			throw(css::xml::sax::SAXException,
                  css::uno::RuntimeException );

		virtual void SAL_CALL endElement(const ::rtl::OUString& sElement)
            throw(css::xml::sax::SAXException,
                  css::uno::RuntimeException );

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

		virtual void SAL_CALL ignorableWhitespace(const ::rtl::OUString& sWhitespaces)
			throw(css::xml::sax::SAXException,
                  css::uno::RuntimeException );

		virtual void SAL_CALL processingInstruction(const ::rtl::OUString& sTarget,
                                                    const ::rtl::OUString& sData  )
			throw(css::xml::sax::SAXException,
                  css::uno::RuntimeException );

		virtual void SAL_CALL setDocumentLocator(const css::uno::Reference< css::xml::sax::XLocator >& xLocator)
			throw(css::xml::sax::SAXException,
                  css::uno::RuntimeException );

    //-------------------------------------------
    // helper

    private:

        //---------------------------------------
        /** TODO document me */
		static EXMLElement implst_classifyElement(const ::rtl::OUString& sElement);

        //---------------------------------------
        /** TODO document me */
		static EXMLAttribute implst_classifyAttribute(const ::rtl::OUString& sAttribute);

        //---------------------------------------
        /** TODO document me */
		::rtl::OUString implts_getErrorLineString();
};

} // namespace framework

#endif // _FRAMEWORK_XML_ACCELERATORCONFIGURATIONREADER_HXX_