/**************************************************************
 * 
 * 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
 * under the License.
 * 
 *************************************************************/


#ifndef __SCRIPTING_STORAGE_SCRIPTSTORAGE_HXX_
#define __SCRIPTING_STORAGE_SCRIPTSTORAGE_HXX_

#include <vector>
#include <hash_map>

#include <osl/mutex.hxx>
#include <cppuhelper/implbase5.hxx> // helper for component factory

#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/ucb/XSimpleFileAccess.hpp>
#include <com/sun/star/xml/sax/XExtendedDocumentHandler.hpp>

#include <drafts/com/sun/star/script/framework/storage/XScriptInfoAccess.hpp>
#include <drafts/com/sun/star/script/framework/storage/XScriptStorageExport.hpp>
#include <drafts/com/sun/star/script/framework/storage/XScriptStorageRefresh.hpp>
#include <drafts/com/sun/star/script/framework/storage/XScriptInfo.hpp>

namespace scripting_impl
{
// for simplification
#define css ::com::sun::star
#define dcsssf ::drafts::com::sun::star::script::framework

//Typedefs
//=============================================================================
typedef ::std::vector< ScriptData > Datas_vec;
//-----------------------------------------------------------------------------
// function name -> ScriptData 
typedef ::std::hash_map < ::rtl::OUString, ScriptData, ::rtl::OUStringHash,
            ::std::equal_to< ::rtl::OUString > > ScriptFunction_hash;
//-----------------------------------------------------------------------------
// language -> hash of function name -> ScriptData 
typedef ::std::hash_map < ::rtl::OUString, ScriptFunction_hash,
            ::rtl::OUStringHash, ::std::equal_to< ::rtl::OUString > > 
ScriptData_hash;
//-----------------------------------------------------------------------------
typedef ::std::hash_map < ::rtl::OUString,
css::uno::Reference< css::xml::sax::XExtendedDocumentHandler >,
::rtl::OUStringHash, ::std::equal_to< ::rtl::OUString > >
ScriptOutput_hash;
//-----------------------------------------------------------------------------
typedef ::std::hash_map < ::rtl::OUString,
::rtl::OUString, ::rtl::OUStringHash, ::std::equal_to< ::rtl::OUString > >
ScriptLanguages_hash;

//=============================================================================

class ScriptStorage : public 
    ::cppu::WeakImplHelper5<
        css::lang::XServiceInfo,
        css::lang::XInitialization,
        dcsssf::storage::XScriptInfoAccess,
        dcsssf::storage::XScriptStorageExport,
	dcsssf::storage::XScriptStorageRefresh >
{
public:
    //Constructors and Destructors
    //=========================================================================
    explicit ScriptStorage( 
        const css::uno::Reference< css::uno::XComponentContext > & xContext )
        throw ( css::uno::RuntimeException );
    //-------------------------------------------------------------------------
    virtual ~ScriptStorage() SAL_THROW( () );
    //=========================================================================

    // XServiceInfo impl
    //=========================================================================
    virtual ::rtl::OUString SAL_CALL getImplementationName()
        throw ( css::uno::RuntimeException );
    //-------------------------------------------------------------------------
    virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString & ServiceName )
        throw ( css::uno::RuntimeException );
    //-------------------------------------------------------------------------
    virtual css::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()
        throw ( css::uno::RuntimeException );
    //-------------------------------------------------------------------------
    static css::uno::Sequence< ::rtl::OUString > SAL_CALL 
        getSupportedServiceNames_Static();
    //=========================================================================

    // XInitialization impl
    //=========================================================================
    virtual void SAL_CALL 
        initialize( css::uno::Sequence< css::uno::Any > const & args )
        throw ( css::uno::RuntimeException, css::uno::Exception );
    //=========================================================================

    //XScriptInfoAccess
    //=========================================================================
    /**
     * Get the logical names for this storage
     *
     * @return sequence < ::rtl::OUString >
     *      The logical names
     */
    virtual css::uno::Sequence< ::rtl::OUString >
        SAL_CALL getScriptLogicalNames()
        throw ( css::uno::RuntimeException );

    //=========================================================================
    /**
     * Get the implementations for a given URI
     *
     * @param queryURI
     *      The URI to get the implementations for
     *
     * @return sequence < XScriptInfo >
     *      The URIs of the implementations
     */
    virtual css::uno::Sequence< css::uno::Reference< dcsssf::storage::XScriptInfo > >
        SAL_CALL getImplementations( 
            const ::rtl::OUString& queryURI )
        throw ( css::lang::IllegalArgumentException, css::uno::RuntimeException );

    //=========================================================================
    /**
     * Get all script implementations
     *
     *
     * @return sequence < XScriptInfo >
     *      script implementations
     */
    virtual css::uno::Sequence< css::uno::Reference< dcsssf::storage::XScriptInfo > > 
        SAL_CALL getAllImplementations()
        throw ( css::uno::RuntimeException );

    //=========================================================================

    /**
     * Save the scripts stored in the ScriptStorage into the corresponding
     * area (document or application)
     */
    void SAL_CALL save() 
        throw ( css::uno::RuntimeException );
    //=========================================================================

    /**
     * Refresh the ScriptStorage from the data stored in the corresponding area
     * (document or application).
     */ 
    void SAL_CALL refresh()
        throw ( css::uno::RuntimeException );
    //=========================================================================

private: 

    css::uno::Reference< css::uno::XComponentContext > m_xContext;
    css::uno::Reference< css::ucb::XSimpleFileAccess > m_xSimpleFileAccess;
    css::uno::Reference< css::lang::XMultiComponentFactory > m_xMgr;

    ::std::vector < ::rtl::OUString >  mv_logicalNames;
    static ScriptLanguages_hash* mh_scriptLangs;
    ScriptData_hash mh_implementations;
    ScriptOutput_hash mh_parcels;
    sal_Int32 m_scriptStorageID;
    ::rtl::OUString m_stringUri;

    osl::Mutex m_mutex;
    bool m_bInitialised;

    void updateMaps( const Datas_vec & vScriptDatas );
    void writeMetadataHeader(
        css::uno::Reference < css::xml::sax::XExtendedDocumentHandler > & xExDocHandler );
    void create () 
	throw (css::uno::RuntimeException, css::uno::Exception);
    void createForFilesystem ( const ::rtl::OUString & scriptLanguage ) 
	throw (css::uno::RuntimeException, css::uno::Exception);
    ::rtl::OUString getFileExtension ( const ::rtl::OUString & stringUri );

}; // class ScriptingStorage

} // namespace scripting_impl

#endif