summaryrefslogtreecommitdiffstats
path: root/cppu/source/uno/sequence.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'cppu/source/uno/sequence.cxx')
-rw-r--r--cppu/source/uno/sequence.cxx913
1 files changed, 913 insertions, 0 deletions
diff --git a/cppu/source/uno/sequence.cxx b/cppu/source/uno/sequence.cxx
new file mode 100644
index 000000000..72d3e3ead
--- /dev/null
+++ b/cppu/source/uno/sequence.cxx
@@ -0,0 +1,913 @@
+/* -*- 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 .
+ */
+
+#include <sal/config.h>
+
+#include <cassert>
+#include <string.h>
+
+#include <osl/diagnose.h>
+#include <osl/interlck.h>
+#include <typelib/typedescription.h>
+#include <uno/data.h>
+#include <uno/sequence2.h>
+
+#include "constr.hxx"
+#include "copy.hxx"
+#include "destr.hxx"
+
+
+using namespace cppu;
+
+namespace cppu
+{
+
+
+static uno_Sequence * reallocSeq(
+ uno_Sequence * pReallocate, std::size_t nElementSize, sal_Int32 nElements )
+{
+ OSL_ASSERT( nElements >= 0 );
+ uno_Sequence * pNew = nullptr;
+ sal_uInt32 nSize = calcSeqMemSize( nElementSize, nElements );
+ if (nSize > 0)
+ {
+ if (pReallocate == nullptr)
+ {
+ pNew = static_cast<uno_Sequence *>(std::malloc( nSize ));
+ }
+ else
+ {
+ pNew = static_cast<uno_Sequence *>(std::realloc( pReallocate, nSize ));
+ }
+ if (pNew != nullptr)
+ {
+ // header init
+ pNew->nRefCount = 1;
+ pNew->nElements = nElements;
+ }
+ }
+ return pNew;
+}
+
+
+static bool idefaultConstructElements(
+ uno_Sequence ** ppSeq,
+ typelib_TypeDescriptionReference * pElementType,
+ sal_Int32 nStartIndex, sal_Int32 nStopIndex,
+ sal_Int32 nAlloc ) // >= 0 means (re)alloc memory for nAlloc elements
+{
+ uno_Sequence * pSeq = *ppSeq;
+ switch (pElementType->eTypeClass)
+ {
+ case typelib_TypeClass_CHAR:
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(sal_Unicode), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memset(
+ pSeq->elements + (sizeof(sal_Unicode) * nStartIndex),
+ 0,
+ sizeof(sal_Unicode) * (nStopIndex - nStartIndex) );
+ }
+ break;
+ case typelib_TypeClass_BOOLEAN:
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(sal_Bool), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memset(
+ pSeq->elements + (sizeof(sal_Bool) * nStartIndex),
+ 0,
+ sizeof(sal_Bool) * (nStopIndex - nStartIndex) );
+ }
+ break;
+ case typelib_TypeClass_BYTE:
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(sal_Int8), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memset(
+ pSeq->elements + (sizeof(sal_Int8) * nStartIndex),
+ 0,
+ sizeof(sal_Int8) * (nStopIndex - nStartIndex) );
+ }
+ break;
+ case typelib_TypeClass_SHORT:
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(sal_Int16), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memset(
+ pSeq->elements + (sizeof(sal_Int16) * nStartIndex),
+ 0,
+ sizeof(sal_Int16) * (nStopIndex - nStartIndex) );
+ }
+ break;
+ case typelib_TypeClass_LONG:
+ case typelib_TypeClass_UNSIGNED_LONG:
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(sal_Int32), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memset(
+ pSeq->elements + (sizeof(sal_Int32) * nStartIndex),
+ 0,
+ sizeof(sal_Int32) * (nStopIndex - nStartIndex) );
+ }
+ break;
+ case typelib_TypeClass_HYPER:
+ case typelib_TypeClass_UNSIGNED_HYPER:
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(sal_Int64), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memset(
+ pSeq->elements + (sizeof(sal_Int64) * nStartIndex),
+ 0,
+ sizeof(sal_Int64) * (nStopIndex - nStartIndex) );
+ }
+ break;
+ case typelib_TypeClass_FLOAT:
+ {
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(float), nAlloc );
+ if (pSeq != nullptr)
+ {
+ float * pElements = reinterpret_cast<float *>(pSeq->elements);
+ for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos )
+ {
+ pElements[nPos] = 0.0;
+ }
+ }
+ break;
+ }
+ case typelib_TypeClass_DOUBLE:
+ {
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(double), nAlloc );
+ if (pSeq != nullptr)
+ {
+ double * pElements = reinterpret_cast<double *>(pSeq->elements);
+ for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos )
+ {
+ pElements[nPos] = 0.0;
+ }
+ }
+ break;
+ }
+ case typelib_TypeClass_STRING:
+ {
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(rtl_uString *), nAlloc );
+ if (pSeq != nullptr)
+ {
+ rtl_uString ** pElements = reinterpret_cast<rtl_uString **>(pSeq->elements);
+ for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos )
+ {
+ pElements[nPos] = nullptr;
+ rtl_uString_new( &pElements[nPos] );
+ }
+ }
+ break;
+ }
+ case typelib_TypeClass_TYPE:
+ {
+ if (nAlloc >= 0)
+ {
+ pSeq = reallocSeq(
+ pSeq, sizeof(typelib_TypeDescriptionReference *), nAlloc );
+ }
+ if (pSeq != nullptr)
+ {
+ typelib_TypeDescriptionReference ** pElements =
+ reinterpret_cast<typelib_TypeDescriptionReference **>(pSeq->elements);
+ for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos )
+ {
+ pElements[nPos] = _getVoidType();
+ }
+ }
+ break;
+ }
+ case typelib_TypeClass_ANY:
+ {
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(uno_Any), nAlloc );
+ if (pSeq != nullptr)
+ {
+ uno_Any * pElements = reinterpret_cast<uno_Any *>(pSeq->elements);
+ for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos )
+ {
+ CONSTRUCT_EMPTY_ANY( &pElements[nPos] );
+ }
+ }
+ break;
+ }
+ case typelib_TypeClass_ENUM:
+ {
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(sal_Int32), nAlloc );
+ if (pSeq != nullptr)
+ {
+ typelib_TypeDescription * pElementTypeDescr = nullptr;
+ TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType );
+ sal_Int32 eEnum =
+ reinterpret_cast<typelib_EnumTypeDescription *>(
+ pElementTypeDescr)->nDefaultEnumValue;
+ TYPELIB_DANGER_RELEASE( pElementTypeDescr );
+
+ sal_Int32 * pElements = reinterpret_cast<sal_Int32 *>(pSeq->elements);
+ for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos )
+ {
+ pElements[nPos] = eEnum;
+ }
+ }
+ break;
+ }
+ case typelib_TypeClass_STRUCT:
+ case typelib_TypeClass_EXCEPTION:
+ {
+ typelib_TypeDescription * pElementTypeDescr = nullptr;
+ TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType );
+ sal_Int32 nElementSize = pElementTypeDescr->nSize;
+
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, nElementSize, nAlloc );
+ if (pSeq != nullptr)
+ {
+ char * pElements = pSeq->elements;
+ for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos )
+ {
+ _defaultConstructStruct(
+ pElements + (nElementSize * nPos),
+ reinterpret_cast<typelib_CompoundTypeDescription *>(pElementTypeDescr) );
+ }
+ }
+
+ TYPELIB_DANGER_RELEASE( pElementTypeDescr );
+ break;
+ }
+ case typelib_TypeClass_SEQUENCE:
+ {
+ if (nAlloc >= 0)
+ {
+ // coverity[suspicious_sizeof : FALSE] - sizeof(uno_Sequence*) is correct here
+ pSeq = reallocSeq(pSeq, sizeof(uno_Sequence*), nAlloc);
+ }
+ if (pSeq != nullptr)
+ {
+ uno_Sequence ** pElements =
+ reinterpret_cast<uno_Sequence **>(pSeq->elements);
+ for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos )
+ {
+ pElements[nPos] = createEmptySequence();
+ }
+ }
+ break;
+ }
+ case typelib_TypeClass_INTERFACE: // either C++ or C-UNO interface
+ if (nAlloc >= 0)
+ pSeq = reallocSeq( pSeq, sizeof(void *), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memset(
+ pSeq->elements + (sizeof(void *) * nStartIndex),
+ 0,
+ sizeof(void *) * (nStopIndex - nStartIndex) );
+ }
+ break;
+ default:
+ OSL_FAIL( "### unexpected element type!" );
+ pSeq = nullptr;
+ break;
+ }
+
+ if (pSeq == nullptr)
+ {
+ OSL_ASSERT( nAlloc >= 0 ); // must have been an allocation failure
+ return false;
+ }
+ *ppSeq = pSeq;
+ return true;
+}
+
+
+static bool icopyConstructFromElements(
+ uno_Sequence ** ppSeq, void * pSourceElements,
+ typelib_TypeDescriptionReference * pElementType,
+ sal_Int32 nStopIndex,
+ uno_AcquireFunc acquire,
+ sal_Int32 nAlloc )
+{
+ uno_Sequence * pSeq = *ppSeq;
+ switch (pElementType->eTypeClass)
+ {
+ case typelib_TypeClass_CHAR:
+ pSeq = reallocSeq( pSeq, sizeof(sal_Unicode), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memcpy(
+ pSeq->elements,
+ pSourceElements,
+ sizeof(sal_Unicode) * nStopIndex );
+ }
+ break;
+ case typelib_TypeClass_BOOLEAN:
+ pSeq = reallocSeq( pSeq, sizeof(sal_Bool), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memcpy(
+ pSeq->elements,
+ pSourceElements,
+ sizeof(sal_Bool) * nStopIndex );
+ }
+ break;
+ case typelib_TypeClass_BYTE:
+ pSeq = reallocSeq( pSeq, sizeof(sal_Int8), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memcpy(
+ pSeq->elements,
+ pSourceElements,
+ sizeof(sal_Int8) * nStopIndex );
+ }
+ break;
+ case typelib_TypeClass_SHORT:
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ pSeq = reallocSeq( pSeq, sizeof(sal_Int16), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memcpy(
+ pSeq->elements,
+ pSourceElements,
+ sizeof(sal_Int16) * nStopIndex );
+ }
+ break;
+ case typelib_TypeClass_LONG:
+ case typelib_TypeClass_UNSIGNED_LONG:
+ pSeq = reallocSeq( pSeq, sizeof(sal_Int32), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memcpy(
+ pSeq->elements,
+ pSourceElements,
+ sizeof(sal_Int32) * nStopIndex );
+ }
+ break;
+ case typelib_TypeClass_HYPER:
+ case typelib_TypeClass_UNSIGNED_HYPER:
+ pSeq = reallocSeq( pSeq, sizeof(sal_Int64), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memcpy(
+ pSeq->elements,
+ pSourceElements,
+ sizeof(sal_Int64) * nStopIndex );
+ }
+ break;
+ case typelib_TypeClass_FLOAT:
+ pSeq = reallocSeq( pSeq, sizeof(float), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memcpy(
+ pSeq->elements,
+ pSourceElements,
+ sizeof(float) * nStopIndex );
+ }
+ break;
+ case typelib_TypeClass_DOUBLE:
+ pSeq = reallocSeq( pSeq, sizeof(double), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memcpy(
+ pSeq->elements,
+ pSourceElements,
+ sizeof(double) * nStopIndex );
+ }
+ break;
+ case typelib_TypeClass_ENUM:
+ pSeq = reallocSeq( pSeq, sizeof(sal_Int32), nAlloc );
+ if (pSeq != nullptr)
+ {
+ memcpy(
+ pSeq->elements,
+ pSourceElements,
+ sizeof(sal_Int32) * nStopIndex );
+ }
+ break;
+ case typelib_TypeClass_STRING:
+ {
+ pSeq = reallocSeq( pSeq, sizeof(rtl_uString *), nAlloc );
+ if (pSeq != nullptr)
+ {
+ rtl_uString ** pDestElements = reinterpret_cast<rtl_uString **>(pSeq->elements);
+ for ( sal_Int32 nPos = 0; nPos < nStopIndex; ++nPos )
+ {
+ // This code tends to trigger coverity's overrun-buffer-arg warning
+ // coverity[index_parm_via_loop_bound] - https://communities.coverity.com/thread/2993
+ ::rtl_uString_acquire(
+ static_cast<rtl_uString **>(pSourceElements)[nPos] );
+ pDestElements[nPos] = static_cast<rtl_uString **>(pSourceElements)[nPos];
+ }
+ }
+ break;
+ }
+ case typelib_TypeClass_TYPE:
+ {
+ pSeq = reallocSeq(
+ pSeq, sizeof(typelib_TypeDescriptionReference *), nAlloc );
+ if (pSeq != nullptr)
+ {
+ typelib_TypeDescriptionReference ** pDestElements =
+ reinterpret_cast<typelib_TypeDescriptionReference **>(pSeq->elements);
+ for ( sal_Int32 nPos = 0; nPos < nStopIndex; ++nPos )
+ {
+ TYPE_ACQUIRE(
+ static_cast<typelib_TypeDescriptionReference **>(
+ pSourceElements)[nPos] );
+ pDestElements[nPos] =
+ static_cast<typelib_TypeDescriptionReference **>(
+ pSourceElements)[nPos];
+ }
+ }
+ break;
+ }
+ case typelib_TypeClass_ANY:
+ {
+ pSeq = reallocSeq( pSeq, sizeof(uno_Any), nAlloc );
+ if (pSeq != nullptr)
+ {
+ uno_Any * pDestElements = reinterpret_cast<uno_Any *>(pSeq->elements);
+ for ( sal_Int32 nPos = 0; nPos < nStopIndex; ++nPos )
+ {
+ uno_Any * pSource = static_cast<uno_Any *>(pSourceElements) + nPos;
+ _copyConstructAny(
+ &pDestElements[nPos],
+ pSource->pData,
+ pSource->pType, nullptr,
+ acquire, nullptr );
+ }
+ }
+ break;
+ }
+ case typelib_TypeClass_STRUCT:
+ case typelib_TypeClass_EXCEPTION:
+ {
+ typelib_TypeDescription * pElementTypeDescr = nullptr;
+ TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType );
+ sal_Int32 nElementSize = pElementTypeDescr->nSize;
+
+ pSeq = reallocSeq( pSeq, nElementSize, nAlloc );
+ if (pSeq != nullptr)
+ {
+ char * pDestElements = pSeq->elements;
+
+ typelib_CompoundTypeDescription * pTypeDescr =
+ reinterpret_cast<typelib_CompoundTypeDescription *>(pElementTypeDescr);
+ for ( sal_Int32 nPos = 0; nPos < nStopIndex; ++nPos )
+ {
+ char * pDest =
+ pDestElements + (nElementSize * nPos);
+ char * pSource =
+ static_cast<char *>(pSourceElements) + (nElementSize * nPos);
+
+ if (pTypeDescr->pBaseTypeDescription)
+ {
+ // copy base value
+ _copyConstructStruct(
+ pDest, pSource,
+ pTypeDescr->pBaseTypeDescription, acquire, nullptr );
+ }
+
+ // then copy members
+ typelib_TypeDescriptionReference ** ppTypeRefs =
+ pTypeDescr->ppTypeRefs;
+ sal_Int32 * pMemberOffsets = pTypeDescr->pMemberOffsets;
+ sal_Int32 nDescr = pTypeDescr->nMembers;
+
+ while (nDescr--)
+ {
+ ::uno_type_copyData(
+ pDest + pMemberOffsets[nDescr],
+ pSource + pMemberOffsets[nDescr],
+ ppTypeRefs[nDescr], acquire );
+ }
+ }
+ }
+
+ TYPELIB_DANGER_RELEASE( pElementTypeDescr );
+ break;
+ }
+ case typelib_TypeClass_SEQUENCE: // sequence of sequence
+ {
+ // coverity[suspicious_sizeof : FALSE] - sizeof(uno_Sequence*) is correct here
+ pSeq = reallocSeq(pSeq, sizeof(uno_Sequence*), nAlloc);
+ if (pSeq != nullptr)
+ {
+ typelib_TypeDescription * pElementTypeDescr = nullptr;
+ TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType );
+ typelib_TypeDescriptionReference * pSeqElementType =
+ reinterpret_cast<typelib_IndirectTypeDescription *>(pElementTypeDescr)->pType;
+ uno_Sequence ** pDestElements = reinterpret_cast<uno_Sequence **>(pSeq->elements);
+ for ( sal_Int32 nPos = 0; nPos < nStopIndex; ++nPos )
+ {
+ uno_Sequence * pNew = icopyConstructSequence(
+ static_cast<uno_Sequence **>(pSourceElements)[nPos],
+ pSeqElementType, acquire, nullptr );
+ OSL_ASSERT( pNew != nullptr );
+ // ought never be a memory allocation problem,
+ // because of reference counted sequence handles
+ pDestElements[ nPos ] = pNew;
+ }
+ TYPELIB_DANGER_RELEASE( pElementTypeDescr );
+ }
+ break;
+ }
+ case typelib_TypeClass_INTERFACE:
+ {
+ pSeq = reallocSeq( pSeq, sizeof(void *), nAlloc );
+ if (pSeq != nullptr)
+ {
+ void ** pDestElements = reinterpret_cast<void **>(pSeq->elements);
+ for ( sal_Int32 nPos = 0; nPos < nStopIndex; ++nPos )
+ {
+ pDestElements[nPos] = static_cast<void **>(pSourceElements)[nPos];
+ _acquire( pDestElements[nPos], acquire );
+ }
+ }
+ break;
+ }
+ default:
+ OSL_FAIL( "### unexpected element type!" );
+ pSeq = nullptr;
+ break;
+ }
+
+ if (pSeq == nullptr)
+ {
+ return false; // allocation failure
+ }
+ *ppSeq = pSeq;
+ return true;
+}
+
+
+static bool ireallocSequence(
+ uno_Sequence ** ppSequence,
+ typelib_TypeDescriptionReference * pElementType,
+ sal_Int32 nSize,
+ uno_AcquireFunc acquire, uno_ReleaseFunc release )
+{
+ bool ret = true;
+ uno_Sequence * pSeq = *ppSequence;
+ sal_Int32 nElements = pSeq->nElements;
+
+ if (pSeq->nRefCount > 1 ||
+ // not mem-copyable elements?
+ typelib_TypeClass_ANY == pElementType->eTypeClass ||
+ typelib_TypeClass_STRUCT == pElementType->eTypeClass ||
+ typelib_TypeClass_EXCEPTION == pElementType->eTypeClass)
+ {
+ // split sequence and construct new one from scratch
+ uno_Sequence * pNew = nullptr;
+
+ sal_Int32 nRest = nSize - nElements;
+ sal_Int32 nCopy = (nRest > 0 ? nElements : nSize);
+
+ if (nCopy >= 0)
+ {
+ ret = icopyConstructFromElements(
+ &pNew, pSeq->elements, pElementType,
+ nCopy, acquire,
+ nSize ); // alloc to nSize
+ }
+ if (ret && nRest > 0)
+ {
+ ret = idefaultConstructElements(
+ &pNew, pElementType,
+ nCopy, nSize,
+ nCopy >= 0 ? -1 /* no mem allocation */ : nSize );
+ }
+
+ if (ret)
+ {
+ // destruct sequence
+ if (osl_atomic_decrement( &pSeq->nRefCount ) == 0)
+ {
+ if (nElements > 0)
+ {
+ idestructElements(
+ pSeq->elements, pElementType,
+ 0, nElements, release );
+ }
+ std::free( pSeq );
+ }
+ *ppSequence = pNew;
+ }
+ }
+ else
+ {
+ OSL_ASSERT( pSeq->nRefCount == 1 );
+ if (nSize > nElements) // default construct the rest
+ {
+ ret = idefaultConstructElements(
+ ppSequence, pElementType,
+ nElements, nSize,
+ nSize ); // realloc to nSize
+ }
+ else // or destruct the rest and realloc mem
+ {
+ sal_Int32 nElementSize = idestructElements(
+ pSeq->elements, pElementType,
+ nSize, nElements, release );
+ // warning: it is assumed that the following will never fail,
+ // else this leads to a sequence null handle
+ *ppSequence = reallocSeq( pSeq, nElementSize, nSize );
+ OSL_ASSERT( *ppSequence != nullptr );
+ ret = (*ppSequence != nullptr);
+ }
+ }
+
+ return ret;
+}
+
+}
+
+extern "C"
+{
+
+
+sal_Bool SAL_CALL uno_type_sequence_construct(
+ uno_Sequence ** ppSequence, typelib_TypeDescriptionReference * pType,
+ void * pElements, sal_Int32 len,
+ uno_AcquireFunc acquire )
+ SAL_THROW_EXTERN_C()
+{
+ assert( len >= 0 );
+ bool ret;
+ if (len)
+ {
+ typelib_TypeDescription * pTypeDescr = nullptr;
+ TYPELIB_DANGER_GET( &pTypeDescr, pType );
+
+ typelib_TypeDescriptionReference * pElementType =
+ reinterpret_cast<typelib_IndirectTypeDescription *>(pTypeDescr)->pType;
+
+ *ppSequence = nullptr;
+ if (pElements == nullptr)
+ {
+ ret = idefaultConstructElements(
+ ppSequence, pElementType,
+ 0, len,
+ len ); // alloc to len
+ }
+ else
+ {
+ ret = icopyConstructFromElements(
+ ppSequence, pElements, pElementType,
+ len, acquire,
+ len ); // alloc to len
+ }
+
+ TYPELIB_DANGER_RELEASE( pTypeDescr );
+ }
+ else
+ {
+ *ppSequence = createEmptySequence();
+ ret = true;
+ }
+
+ OSL_ASSERT( (*ppSequence != nullptr) == ret );
+ return ret;
+}
+
+
+sal_Bool SAL_CALL uno_sequence_construct(
+ uno_Sequence ** ppSequence, typelib_TypeDescription * pTypeDescr,
+ void * pElements, sal_Int32 len,
+ uno_AcquireFunc acquire )
+ SAL_THROW_EXTERN_C()
+{
+ bool ret;
+ if (len > 0)
+ {
+ typelib_TypeDescriptionReference * pElementType =
+ reinterpret_cast<typelib_IndirectTypeDescription *>(pTypeDescr)->pType;
+
+ *ppSequence = nullptr;
+ if (pElements == nullptr)
+ {
+ ret = idefaultConstructElements(
+ ppSequence, pElementType,
+ 0, len,
+ len ); // alloc to len
+ }
+ else
+ {
+ ret = icopyConstructFromElements(
+ ppSequence, pElements, pElementType,
+ len, acquire,
+ len ); // alloc to len
+ }
+ }
+ else
+ {
+ *ppSequence = createEmptySequence();
+ ret = true;
+ }
+
+ OSL_ASSERT( (*ppSequence != nullptr) == ret );
+ return ret;
+}
+
+
+sal_Bool SAL_CALL uno_type_sequence_realloc(
+ uno_Sequence ** ppSequence, typelib_TypeDescriptionReference * pType,
+ sal_Int32 nSize, uno_AcquireFunc acquire, uno_ReleaseFunc release )
+ SAL_THROW_EXTERN_C()
+{
+ assert(ppSequence && "### null ptr!");
+ assert(nSize >= 0 && "### new size must be at least 0!");
+
+ bool ret = true;
+ if (nSize != (*ppSequence)->nElements)
+ {
+ typelib_TypeDescription * pTypeDescr = nullptr;
+ TYPELIB_DANGER_GET( &pTypeDescr, pType );
+ ret = ireallocSequence(
+ ppSequence, reinterpret_cast<typelib_IndirectTypeDescription *>(pTypeDescr)->pType,
+ nSize, acquire, release );
+ TYPELIB_DANGER_RELEASE( pTypeDescr );
+ }
+ return ret;
+}
+
+
+sal_Bool SAL_CALL uno_sequence_realloc(
+ uno_Sequence ** ppSequence, typelib_TypeDescription * pTypeDescr,
+ sal_Int32 nSize, uno_AcquireFunc acquire, uno_ReleaseFunc release )
+ SAL_THROW_EXTERN_C()
+{
+ OSL_ENSURE( ppSequence, "### null ptr!" );
+ OSL_ENSURE( nSize >= 0, "### new size must be at least 0!" );
+
+ bool ret = true;
+ if (nSize != (*ppSequence)->nElements)
+ {
+ ret = ireallocSequence(
+ ppSequence, reinterpret_cast<typelib_IndirectTypeDescription *>(pTypeDescr)->pType,
+ nSize, acquire, release );
+ }
+ return ret;
+}
+
+
+sal_Bool SAL_CALL uno_type_sequence_reference2One(
+ uno_Sequence ** ppSequence,
+ typelib_TypeDescriptionReference * pType,
+ uno_AcquireFunc acquire, uno_ReleaseFunc release )
+ SAL_THROW_EXTERN_C()
+{
+ OSL_ENSURE( ppSequence, "### null ptr!" );
+ bool ret = true;
+ uno_Sequence * pSequence = *ppSequence;
+ if (pSequence->nRefCount > 1)
+ {
+ uno_Sequence * pNew = nullptr;
+ if (pSequence->nElements > 0)
+ {
+ typelib_TypeDescription * pTypeDescr = nullptr;
+ TYPELIB_DANGER_GET( &pTypeDescr, pType );
+
+ ret = icopyConstructFromElements(
+ &pNew, pSequence->elements,
+ reinterpret_cast<typelib_IndirectTypeDescription *>(pTypeDescr)->pType,
+ pSequence->nElements, acquire,
+ pSequence->nElements ); // alloc nElements
+ if (ret)
+ {
+ idestructSequence( *ppSequence, pType, pTypeDescr, release );
+ *ppSequence = pNew;
+ }
+
+ TYPELIB_DANGER_RELEASE( pTypeDescr );
+ }
+ else
+ {
+ pNew = allocSeq( 0, 0 );
+ ret = (pNew != nullptr);
+ if (ret)
+ {
+ // easy destruction of empty sequence:
+ if (osl_atomic_decrement( &pSequence->nRefCount ) == 0)
+ std::free( pSequence );
+ *ppSequence = pNew;
+ }
+ }
+ }
+ return ret;
+}
+
+
+sal_Bool SAL_CALL uno_sequence_reference2One(
+ uno_Sequence ** ppSequence,
+ typelib_TypeDescription * pTypeDescr,
+ uno_AcquireFunc acquire, uno_ReleaseFunc release )
+ SAL_THROW_EXTERN_C()
+{
+ OSL_ENSURE( ppSequence, "### null ptr!" );
+ bool ret = true;
+ uno_Sequence * pSequence = *ppSequence;
+ if (pSequence->nRefCount > 1)
+ {
+ uno_Sequence * pNew = nullptr;
+ if (pSequence->nElements > 0)
+ {
+ ret = icopyConstructFromElements(
+ &pNew, pSequence->elements,
+ reinterpret_cast<typelib_IndirectTypeDescription *>(pTypeDescr)->pType,
+ pSequence->nElements, acquire,
+ pSequence->nElements ); // alloc nElements
+ if (ret)
+ {
+ idestructSequence(
+ pSequence, pTypeDescr->pWeakRef, pTypeDescr, release );
+ *ppSequence = pNew;
+ }
+ }
+ else
+ {
+ pNew = allocSeq( 0, 0 );
+ ret = (pNew != nullptr);
+ if (ret)
+ {
+ // easy destruction of empty sequence:
+ if (osl_atomic_decrement( &pSequence->nRefCount ) == 0)
+ std::free( pSequence );
+ *ppSequence = pNew;
+ }
+ }
+
+ }
+ return ret;
+}
+
+
+void SAL_CALL uno_sequence_assign(
+ uno_Sequence ** ppDest,
+ uno_Sequence * pSource,
+ typelib_TypeDescription * pTypeDescr,
+ uno_ReleaseFunc release )
+ SAL_THROW_EXTERN_C()
+{
+ if (*ppDest != pSource)
+ {
+ osl_atomic_increment( &pSource->nRefCount );
+ idestructSequence( *ppDest, pTypeDescr->pWeakRef, pTypeDescr, release );
+ *ppDest = pSource;
+ }
+}
+
+
+void SAL_CALL uno_type_sequence_assign(
+ uno_Sequence ** ppDest,
+ uno_Sequence * pSource,
+ typelib_TypeDescriptionReference * pType,
+ uno_ReleaseFunc release )
+ SAL_THROW_EXTERN_C()
+{
+ if (*ppDest != pSource)
+ {
+ osl_atomic_increment( &pSource->nRefCount );
+ idestructSequence( *ppDest, pType, nullptr, release );
+ *ppDest = pSource;
+ }
+}
+
+void uno_type_sequence_destroy(
+ uno_Sequence * sequence, typelib_TypeDescriptionReference * type,
+ uno_ReleaseFunc release)
+ SAL_THROW_EXTERN_C()
+{
+ idestroySequence(sequence, type, nullptr, release);
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */