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Diffstat (limited to 'sal/inc/rtl/byteseq.h')
| -rw-r--r-- | sal/inc/rtl/byteseq.h | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/sal/inc/rtl/byteseq.h b/sal/inc/rtl/byteseq.h deleted file mode 100644 index 99107143b601..000000000000 --- a/sal/inc/rtl/byteseq.h +++ /dev/null @@ -1,317 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/* - * This file is part of the LibreOffice project. - * - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * This file incorporates work covered by the following license notice: - * - * 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 . - */ -#ifndef _RTL_BYTESEQ_H_ -#define _RTL_BYTESEQ_H_ - -#include "sal/config.h" - -#include "rtl/alloc.h" -#include "rtl/ustring.h" -#include "sal/saldllapi.h" -#include "sal/types.h" - -#ifdef __cplusplus -extern "C" -{ -#endif - -/** Assures that the reference count of the given byte sequence is one. Otherwise a new copy - of the sequence is created with a reference count of one. - - @param ppSequence sequence -*/ -SAL_DLLPUBLIC void SAL_CALL rtl_byte_sequence_reference2One( - sal_Sequence ** ppSequence ) - SAL_THROW_EXTERN_C(); - -/** Reallocates length of byte sequence. - - @param ppSequence sequence - @param nSize new size of sequence -*/ -SAL_DLLPUBLIC void SAL_CALL rtl_byte_sequence_realloc( - sal_Sequence ** ppSequence, sal_Int32 nSize ) - SAL_THROW_EXTERN_C(); - -/** Acquires the byte sequence - - @param pSequence sequence, that is to be acquired -*/ -SAL_DLLPUBLIC void SAL_CALL rtl_byte_sequence_acquire( - sal_Sequence *pSequence ) - SAL_THROW_EXTERN_C(); - -/** Releases the byte sequence. If the refcount drops to zero, the sequence is freed. - - @param pSequence sequence, that is to be released; invalid after call -*/ -SAL_DLLPUBLIC void SAL_CALL rtl_byte_sequence_release( - sal_Sequence *pSequence ) - SAL_THROW_EXTERN_C(); - -/** Constructs a bytes sequence with length nLength. All bytes are set to zero. - - @param ppSequence inout sequence; on entry *ppSequence may be null, otherwise it is released; - after the call, *ppSequence contains the newly constructed sequence - @param nLength length of new sequence -*/ -SAL_DLLPUBLIC void SAL_CALL rtl_byte_sequence_construct( - sal_Sequence **ppSequence , sal_Int32 nLength ) - SAL_THROW_EXTERN_C(); - -/** Constructs a bytes sequence with length nLength. The data is not initialized. - - @param ppSequence inout sequence; on entry *ppSequence may be null, otherwise it is released; - after the call, *ppSequence contains the newly constructed sequence - @param nLength length of new sequence -*/ -SAL_DLLPUBLIC void SAL_CALL rtl_byte_sequence_constructNoDefault( - sal_Sequence **ppSequence , sal_Int32 nLength ) - SAL_THROW_EXTERN_C(); - -/** Constructs a byte sequence with length nLength and copies nLength bytes from pData. - - @param ppSequence inout sequence; on entry *ppSequence may be null, otherwise it is released; - after the call, *ppSequence contains the newly constructed sequence - @param pData initial data - @param nLength length of new sequence -*/ -SAL_DLLPUBLIC void SAL_CALL rtl_byte_sequence_constructFromArray( - sal_Sequence **ppSequence, const sal_Int8 *pData , sal_Int32 nLength ) - SAL_THROW_EXTERN_C(); - -/** Assigns the byte sequence pSequence to *ppSequence. - - @param ppSequence inout sequence; on entry *ppSequence may be null, otherwise it is released; - after the call, *ppSequence references pSequence - @param pSequence the source sequence -*/ -SAL_DLLPUBLIC void SAL_CALL rtl_byte_sequence_assign( - sal_Sequence **ppSequence , sal_Sequence *pSequence ) - SAL_THROW_EXTERN_C(); - -/** Compares two byte sequences. - - @return true, if the data within the sequences are identical; false otherwise -*/ -SAL_DLLPUBLIC sal_Bool SAL_CALL rtl_byte_sequence_equals( - sal_Sequence *pSequence1 , sal_Sequence *pSequence2 ) - SAL_THROW_EXTERN_C(); - -/** Returns the data array pointer of the sequence. - - @return read-pointer to the data array of the sequence. If rtl_byte_sequence_reference2One() - has been called before, the pointer may be casted to a non const pointer and - the sequence may be modified -*/ -SAL_DLLPUBLIC const sal_Int8 *SAL_CALL rtl_byte_sequence_getConstArray( - sal_Sequence *pSequence ) - SAL_THROW_EXTERN_C(); - -/** Returns the length of the sequence - - @param pSequence sequence handle - @return length of the sequence -*/ -SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_byte_sequence_getLength( - sal_Sequence *pSequence ) - SAL_THROW_EXTERN_C(); - -#ifdef __cplusplus -} -namespace rtl -{ - -enum __ByteSequence_NoDefault -{ - /** This enum value can be used to create a bytesequence with uninitalized data - */ - BYTESEQ_NODEFAULT = 0xcafe -}; - -enum __ByteSequence_NoAcquire -{ - /** This enum value can be used to create a bytesequence from a C-Handle without - acquiring the handle. - */ - BYTESEQ_NOACQUIRE = 0xcafebabe -}; - -/** C++ class representing a SAL byte sequence. - C++ Sequences are reference counted and shared, so the sequence keeps a handle to its data. - To keep value semantics, copies are only generated if the sequence is to be modified - (new handle). -*/ -class SAL_WARN_UNUSED ByteSequence -{ - /** sequence handle - */ - sal_Sequence * _pSequence; - -public: - /// @cond INTERNAL - // these are here to force memory de/allocation to sal lib. - inline static void * SAL_CALL operator new ( size_t nSize ) SAL_THROW(()) - { return ::rtl_allocateMemory( nSize ); } - inline static void SAL_CALL operator delete ( void * pMem ) SAL_THROW(()) - { ::rtl_freeMemory( pMem ); } - inline static void * SAL_CALL operator new ( size_t, void * pMem ) SAL_THROW(()) - { return pMem; } - inline static void SAL_CALL operator delete ( void *, void * ) SAL_THROW(()) - {} - /// @endcond - - /** Default constructor: Creates an empty sequence. - */ - inline ByteSequence() SAL_THROW(()); - /** Copy constructor: Creates a copy of given sequence. - - @param rSeq another byte sequence - */ - inline ByteSequence( const ByteSequence & rSeq ) SAL_THROW(()); - /** Copy constructor Creates a copy from the C-Handle. - - @param pSequence another byte sequence handle - */ - inline ByteSequence( sal_Sequence *pSequence ) SAL_THROW(()); - /** Constructor: Creates a copy of given data bytes. - - @param pElements an array of bytes - @param len number of bytes - */ - inline ByteSequence( const sal_Int8 * pElements, sal_Int32 len ); - /** Constructor: Creates sequence of given length and initializes all bytes to 0. - - @param len initial sequence length - */ - inline ByteSequence( sal_Int32 len ); - /** Constructor: Creates sequence of given length and does NOT initialize data. - Use this ctor for performance optimization only. - - @param len initial sequence length - @param nodefault dummy parameter forcing explicit BYTESEQ_NODEFAULT - */ - inline ByteSequence( sal_Int32 len , enum __ByteSequence_NoDefault nodefault ); - /** Constructor: - Creates a sequence from a C-Handle without acquiring the handle, thus taking - over owenership. Eitherway the handle is release by the destructor. - This ctor is useful, when working with a c-interface (it safes a pair of - acquire and release call and is thus a performance optimization only). - - @param pSequence sequence handle to be taken over - @param noacquire dummy parameter forcing explicit BYTESEQ_NOACQUIRE - */ - inline ByteSequence( sal_Sequence *pSequence , enum __ByteSequence_NoAcquire noacquire ) SAL_THROW(()); - /** Destructor: Releases sequence handle. Last handle will free memory. - */ - inline ~ByteSequence() SAL_THROW(()); - - /** Assignment operator: Acquires given sequence handle and releases a previously set handle. - - @param rSeq another byte sequence - @return this sequence - */ - inline ByteSequence & SAL_CALL operator = ( const ByteSequence & rSeq ) SAL_THROW(()); - - /** Gets the length of sequence. - - @return length of sequence - */ - inline sal_Int32 SAL_CALL getLength() const SAL_THROW(()) - { return _pSequence->nElements; } - - /** Gets a pointer to byte array for READING. If the sequence has a length of 0, then the - returned pointer is undefined. - - @return pointer to byte array - */ - inline const sal_Int8 * SAL_CALL getConstArray() const SAL_THROW(()) - { return (const sal_Int8 *)_pSequence->elements; } - /** Gets a pointer to elements array for READING AND WRITING. In general if the sequence - has a handle acquired by other sequences (reference count > 1), then a new sequence is - created copying all bytes to keep value semantics! - If the sequence has a length of 0, then the returned pointer is undefined. - - @return pointer to elements array - */ - inline sal_Int8 * SAL_CALL getArray(); - - /** Non-const index operator: - Obtains a reference to byte indexed at given position. - In general if the sequence has a handle acquired by other - sequences (reference count > 1), then a new sequence is created - copying all bytes to keep value semantics! - - @attention - The implementation does NOT check for array bounds! - - @param nIndex index - @return non-const C++ reference to element at index nIndex - */ - inline sal_Int8 & SAL_CALL operator [] ( sal_Int32 nIndex ); - - /** Const index operator: Obtains a reference to byte indexed at given position. - The implementation does NOT check for array bounds! - - @param nIndex index - @return const C++ reference to byte at element of indenx nIndex - */ - inline const sal_Int8 & SAL_CALL operator [] ( sal_Int32 nIndex ) const SAL_THROW(()) - { return getConstArray()[ nIndex ]; } - - /** Equality operator: Compares two sequences. - - @param rSeq another byte sequence (right side) - @return true if both sequences are equal, false otherwise - */ - inline sal_Bool SAL_CALL operator == ( const ByteSequence & rSeq ) const SAL_THROW(()); - /** Unequality operator: Compares two sequences. - - @param rSeq another byte sequence (right side) - @return false if both sequences are equal, true otherwise - */ - inline sal_Bool SAL_CALL operator != ( const ByteSequence & rSeq ) const SAL_THROW(()); - - /** Reallocates sequence to new length. If the sequence has a handle acquired by other sequences - (reference count > 1), then the remaining elements are copied to a new sequence handle to - keep value semantics! - - @param nSize new size of sequence - */ - inline void SAL_CALL realloc( sal_Int32 nSize ); - - /** Returns the UNnacquired C handle of the sequence - - @return UNacquired handle of the sequence - */ - inline sal_Sequence * SAL_CALL getHandle() const SAL_THROW(()) - { return _pSequence; } - /** Returns the UNnacquired C handle of the sequence (for compatibility reasons) - - @return UNacquired handle of the sequence - */ - inline sal_Sequence * SAL_CALL get() const SAL_THROW(()) - { return _pSequence; } -}; - -} -#endif -#endif - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |