Added Xerces-C++ 3.1.2

2015-12-01 10:23:50 +01:00
parent 65d3f3bc31
commit 1b478d3159
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+/*
+ * 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.
+ */
+
+ /*
+ * $Id: MemoryManager.hpp 673975 2008-07-04 09:23:56Z borisk $
+ */
+
+
+#if !defined(XERCESC_INCLUDE_GUARD_MEMORYMANAGER_HPP)
+#define XERCESC_INCLUDE_GUARD_MEMORYMANAGER_HPP
+
+#include <xercesc/util/XercesDefs.hpp>
+#include <stdlib.h>
+
+
+XERCES_CPP_NAMESPACE_BEGIN
+
+
+/**
+ *  Configurable memory manager
+ *
+ *  <p>This interface allows outside applications to plug in their own memory
+ *  manager to be used by Xerces for memory allocation/deallocation.</p>
+ */
+class XMLPARSER_EXPORT MemoryManager
+{
+public:
+    // -----------------------------------------------------------------------
+    //  Constructors are hidden, only the virtual destructor is exposed
+    // -----------------------------------------------------------------------
+
+    /** @name Destructor */
+    //@{
+
+    /**
+      * Default destructor
+      */
+    virtual ~MemoryManager()
+    {
+    }
+    //@}
+
+
+    /**
+      * This method is called to obtain the memory manager that should be
+      * used to allocate memory used in exceptions. If the same memory
+      * manager can be used, simply return 'this' from this function.
+      * Note, however, that if there is a possibility that an exception
+      * thrown can outlive the memory manager (for example, because the
+      * memory manager object is allocated on the stack or is managed by
+      * a stack-bound object), it is recommended that you return
+      * XMLPlatformUtils::fgMemoryManager.
+      *
+      * @return A pointer to the memory manager
+      */
+    virtual MemoryManager* getExceptionMemoryManager() = 0;
+
+
+    // -----------------------------------------------------------------------
+    //  The virtual memory manager interface
+    // -----------------------------------------------------------------------
+    /** @name The pure virtual methods in this interface. */
+    //@{
+
+    /**
+      * This method allocates requested memory.
+      *
+      * @param size The requested memory size
+      *
+      * @return A pointer to the allocated memory
+      */
+    virtual void* allocate(XMLSize_t size) = 0;
+
+    /**
+      * This method deallocates memory
+      *
+      * @param p The pointer to the allocated memory to be deleted
+      */
+    virtual void deallocate(void* p) = 0;
+
+    //@}
+
+
+protected :
+    // -----------------------------------------------------------------------
+    //  Hidden Constructors
+    // -----------------------------------------------------------------------
+    /** @name Constructor */
+    //@{
+
+    /**
+      * Protected default constructor
+      */
+    MemoryManager()
+    {
+    }
+    //@}
+
+
+
+private:
+    // -----------------------------------------------------------------------
+    //  Unimplemented constructors and operators
+    // -----------------------------------------------------------------------
+    MemoryManager(const MemoryManager&);
+    MemoryManager& operator=(const MemoryManager&);
+};
+
+XERCES_CPP_NAMESPACE_END
+
+#endif