Add new memory allocator that allocates using new[], for use where returned...

Add new memory allocator that allocates using new[], for use where returned memory must be able to be deleted using delete []. This saves duplicated code in cases where a routine is optionally called with a specific memory manager, such as in the case of transcode


git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@175171 13f79535-47bb-0310-9956-ffa450edef68

src/xercesc/internal/MemoryManagerArrayImpl.cpp

+/*
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2003 The Apache Software Foundation.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ *    if any, must include the following acknowledgment:
+ *       "This product includes software developed by the
+ *        Apache Software Foundation (http://www.apache.org/)."
+ *    Alternately, this acknowledgment may appear in the software itself,
+ *    if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Xerces" and "Apache Software Foundation" must
+ *    not be used to endorse or promote products derived from this
+ *    software without prior written permission. For written
+ *    permission, please contact apache\@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ *    nor may "Apache" appear in their name, without prior written
+ *    permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation, and was
+ * originally based on software copyright (c) 1999, International
+ * Business Machines, Inc., http://www.ibm.com .  For more information
+ * on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+/*
+ * $Log$
+ * Revision 1.1  2003/08/26 21:55:02  jberry
+ * Add new memory allocator that allocates using new[], for use where returned memory must be able to be deleted using delete []. This saves duplicated code in cases where a routine is optionally called with a specific memory manager, such as in the case of transcode
+ *
+ * Revision 1.1  2003/04/21 16:20:41  knoaman
+ * Initial check-in.
+ *
+ */
+
+
+// ---------------------------------------------------------------------------
+//  Includes
+// ---------------------------------------------------------------------------
+#include <xercesc/internal/MemoryManagerArrayImpl.hpp>
+
+
+XERCES_CPP_NAMESPACE_BEGIN
+
+void* MemoryManagerArrayImpl::allocate(size_t size)
+{
+    //return ::operator new[](size);
+	return new char[size];
+}
+
+void MemoryManagerArrayImpl::deallocate(void* p)
+{
+    //::operator delete[](p);
+	delete[]p;
+}
+
+XERCES_CPP_NAMESPACE_END
+

src/xercesc/internal/MemoryManagerArrayImpl.hpp

+/*
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2003 The Apache Software Foundation.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ *    if any, must include the following acknowledgment:
+ *       "This product includes software developed by the
+ *        Apache Software Foundation (http://www.apache.org/)."
+ *    Alternately, this acknowledgment may appear in the software itself,
+ *    if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Xerces" and "Apache Software Foundation" must
+ *    not be used to endorse or promote products derived from this
+ *    software without prior written permission. For written
+ *    permission, please contact apache\@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ *    nor may "Apache" appear in their name, without prior written
+ *    permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation, and was
+ * originally based on software copyright (c) 1999, International
+ * Business Machines, Inc., http://www.ibm.com .  For more information
+ * on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+/*
+ * $Id$
+ */
+
+
+#if !defined(MEMORYMANAGERARRAYIMPL_HPP)
+#define MEMORYMANAGERARRAYIMPL_HPP
+
+#include <xercesc/framework/MemoryManager.hpp>
+
+XERCES_CPP_NAMESPACE_BEGIN
+
+/**
+  * Configurable memory manager
+  *
+  * <p>This is specialized version of a Xerces
+  *    memory manager, which allocates memory using
+  *    using new[](size) syntax. Such memory may
+  *    legally be deleted with delete[].
+  * </p>
+  * <p>This version is used in special cases where it is desired
+  *    that allocated memory be able to be delete[]d.
+  * </p>
+  */
+
+class XMLUTIL_EXPORT MemoryManagerArrayImpl : public MemoryManager
+{
+public:
+
+    /** @name Constructor */
+    //@{
+
+    /**
+      * Default constructor
+      */
+    MemoryManagerArrayImpl()
+    {
+    }
+    //@}
+
+    /** @name Destructor */
+    //@{
+
+    /**
+      * Default destructor
+      */
+    virtual ~MemoryManagerArrayImpl()
+    {
+    }
+    //@}
+
+    /** @name The virtual methods in MemoryManager */
+    //@{
+
+    /**
+      * This method allocates requested memory.
+      *
+      * @param size The requested memory size
+      *
+      * @return A pointer to the allocated memory
+      */
+    virtual void* allocate(size_t size);
+
+    /**
+      * This method deallocates memory
+      *
+      * @param p The pointer to the allocated memory to be deleted
+      */
+    virtual void deallocate(void* p);
+
+    //@}
+
+private:
+    // -----------------------------------------------------------------------
+    //  Unimplemented constructors and operators
+    // -----------------------------------------------------------------------
+    MemoryManagerArrayImpl(const MemoryManagerArrayImpl&);
+    MemoryManagerArrayImpl& operator=(const MemoryManagerArrayImpl&);
+
+};
+
+XERCES_CPP_NAMESPACE_END
+
+#endif