c38592527a
...since gb_LinkTarget_NOEXCEPTIONFLAGS became unused with
e81b1f23c4 "remove
gb_LinkTarget_add_noexception_object."
Change-Id: I4a7275b5b26a9d4b6ded66efb52e6866e6e09cc3
279 lines
8.9 KiB
C++
279 lines
8.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef _COM_SUN_STAR_UNO_SEQUENCE_H_
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#define _COM_SUN_STAR_UNO_SEQUENCE_H_
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#include "typelib/typedescription.h"
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#include "uno/sequence2.h"
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#include "com/sun/star/uno/Type.h"
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#include "rtl/alloc.h"
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#include <new>
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namespace rtl
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{
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class ByteSequence;
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}
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namespace com
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{
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namespace sun
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{
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namespace star
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{
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namespace uno
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{
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/** Template C++ class representing an IDL sequence. Template argument is the
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sequence element type. C++ Sequences are reference counted and shared,
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so the sequence keeps a handle to its data. To keep value semantics,
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copies are only generated if the sequence is to be modified (new handle).
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@tparam E element type of sequence
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*/
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template< class E >
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class Sequence
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{
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/** sequence handle
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*/
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uno_Sequence * _pSequence;
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public:
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/// @cond INTERNAL
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// these are here to force memory de/allocation to sal lib.
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inline static void * SAL_CALL operator new ( ::size_t nSize )
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SAL_THROW(())
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{ return ::rtl_allocateMemory( nSize ); }
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inline static void SAL_CALL operator delete ( void * pMem )
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SAL_THROW(())
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{ ::rtl_freeMemory( pMem ); }
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inline static void * SAL_CALL operator new ( ::size_t, void * pMem )
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SAL_THROW(())
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{ return pMem; }
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inline static void SAL_CALL operator delete ( void *, void * )
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SAL_THROW(())
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{}
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/** Static pointer to typelib type of sequence.
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Don't use directly, call getCppuType().
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*/
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static typelib_TypeDescriptionReference * s_pType;
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/// @endcond
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/** typedefs the element type of the sequence
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*/
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typedef E ElementType;
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/** Default constructor: Creates an empty sequence.
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*/
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inline Sequence() SAL_THROW(());
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/** Copy constructor: Creates a copy of given sequence.
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@param rSeq another sequence of same type
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*/
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inline Sequence( const Sequence< E > & rSeq ) SAL_THROW(());
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/** Constructor: Takes over ownership of given sequence.
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@param pSequence a sequence
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@param dummy SAL_NO_ACQUIRE to force obvious distinction to other
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constructors
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*/
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inline Sequence( uno_Sequence * pSequence, __sal_NoAcquire dummy )
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SAL_THROW(());
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/** Constructor: Creates a copy of given elements.
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@param pElements an array of elements
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@param len length of array
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*/
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inline Sequence( const E * pElements, sal_Int32 len );
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/** Constructor: Creates a default constructed sequence of given length.
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@param len initial sequence length
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*/
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inline explicit Sequence( sal_Int32 len );
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/** Destructor: Releases sequence handle. Last handle will destruct
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elements and free memory.
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*/
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inline ~Sequence() SAL_THROW(());
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/** Assignment operator: Acquires given sequence handle and releases
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previously set handle.
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@param rSeq another sequence of same type
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@return this sequence
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*/
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inline Sequence< E > & SAL_CALL operator = ( const Sequence< E > & rSeq )
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SAL_THROW(());
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/** Gets length of the sequence.
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@return length of sequence
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*/
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inline sal_Int32 SAL_CALL getLength() const SAL_THROW(())
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{ return _pSequence->nElements; }
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/** Tests whether the sequence has elements, i.e. elements count is
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greater than zero.
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@return true, if elements count is greater than zero
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*/
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inline sal_Bool SAL_CALL hasElements() const SAL_THROW(())
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{ return (_pSequence->nElements > 0); }
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/** Gets a pointer to elements array for reading.
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If the sequence has a length of 0, then the returned pointer is
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undefined.
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@return pointer to elements array
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*/
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inline const E * SAL_CALL getConstArray() const SAL_THROW(())
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{ return reinterpret_cast< const E * >( _pSequence->elements ); }
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/** Gets a pointer to elements array for reading and writing.
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In general if the sequence has a handle acquired by other sequences
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(reference count > 1), then a new sequence is created copy constructing
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all elements to keep value semantics!
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If the sequence has a length of 0, then the returned pointer is
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undefined.
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@return pointer to elements array
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*/
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inline E * SAL_CALL getArray();
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/** Non-const index operator: Obtains a reference to element indexed at
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given position.
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The implementation does not check for array bounds!
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In general if the sequence has a handle acquired by other sequences
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(reference count > 1), then a new sequence is created copy constructing
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all elements to keep value semantics!
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@param nIndex index
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@return non-const C++ reference to element
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*/
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inline E & SAL_CALL operator [] ( sal_Int32 nIndex );
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/** Const index operator: Obtains a reference to element indexed at
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given position. The implementation does not check for array bounds!
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@param nIndex index
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@return const C++ reference to element
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*/
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inline const E & SAL_CALL operator [] ( sal_Int32 nIndex ) const
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SAL_THROW(());
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/** Equality operator: Compares two sequences.
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@param rSeq another sequence of same type (right side)
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@return true if both sequences are equal, false otherwise
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*/
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inline sal_Bool SAL_CALL operator == ( const Sequence< E > & rSeq ) const
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SAL_THROW(());
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/** Unequality operator: Compares two sequences.
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@param rSeq another sequence of same type (right side)
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@return false if both sequences are equal, true otherwise
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*/
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inline sal_Bool SAL_CALL operator != ( const Sequence< E > & rSeq ) const
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SAL_THROW(());
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/** Reallocates sequence to new length.
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If the new length is smaller than the former, then upper elements will
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be destructed (and their memory freed). If the new length is greater
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than the former, then upper (new) elements are default constructed.
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If the sequence has a handle acquired by other sequences
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(reference count > 1), then the remaining elements are copy constructed
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to a new sequence handle to keep value semantics!
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@param nSize new size of sequence
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*/
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inline void SAL_CALL realloc( sal_Int32 nSize );
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/** Provides UNacquired sequence handle.
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@return UNacquired sequence handle
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*/
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inline uno_Sequence * SAL_CALL get() const SAL_THROW(())
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{ return _pSequence; }
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};
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/** Creates a UNO byte sequence from a SAL byte sequence.
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@param rByteSequence a byte sequence
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@return a UNO byte sequence
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*/
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inline ::com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL toUnoSequence(
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const ::rtl::ByteSequence & rByteSequence ) SAL_THROW(());
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}
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}
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}
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}
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/** Gets the meta type of IDL sequence.
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There are cases (involving templates) where uses of getCppuType are known to
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not compile. Use cppu::UnoType or cppu::getTypeFavourUnsigned instead.
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The dummy parameter is just a typed pointer for function signature.
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@tparam E element type of sequence
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@return type of IDL sequence
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*/
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template< class E >
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inline const ::com::sun::star::uno::Type &
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SAL_CALL getCppuType( const ::com::sun::star::uno::Sequence< E > * )
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SAL_THROW(());
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/** Gets the meta type of IDL sequence.
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This function has been introduced, because one cannot get the (templated)
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cppu type out of C++ array types. Array types have special
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getCppuArrayTypeN() functions.
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@attention
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the given element type must be the same as the template argument type!
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@tparam E element type of sequence
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@param rElementType element type of sequence
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@return type of IDL sequence
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*/
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template< class E >
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inline const ::com::sun::star::uno::Type &
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SAL_CALL getCppuSequenceType( const ::com::sun::star::uno::Type & rElementType )
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SAL_THROW(());
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/** Gets the meta type of IDL sequence< char >.
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This function has been introduced due to ambiguities with unsigned short.
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The dummy parameter is just a typed pointer for function signature.
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@return type of IDL sequence< char >
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*/
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inline const ::com::sun::star::uno::Type &
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SAL_CALL getCharSequenceCppuType() SAL_THROW(());
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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