Added Xerces-C++ 3.1.2

2015-12-01 10:23:50 +01:00
parent 65d3f3bc31
commit 1b478d3159
815 changed files with 262638 additions and 0 deletions
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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: XMLBufferMgr.cpp 673679 2008-07-03 13:50:10Z borisk $
+ */
+
+
+// ---------------------------------------------------------------------------
+//  Includes
+// ---------------------------------------------------------------------------
+//#include <string.h>
+#include <xercesc/framework/XMLBufferMgr.hpp>
+#include <xercesc/util/RuntimeException.hpp>
+
+XERCES_CPP_NAMESPACE_BEGIN
+
+// ---------------------------------------------------------------------------
+//  Constructors and Destructor
+// ---------------------------------------------------------------------------
+XMLBufferMgr::XMLBufferMgr(MemoryManager* const manager) :
+
+    fBufCount(32)
+    , fMemoryManager(manager)
+    , fBufList(0)
+{
+    // Allocate the buffer list and zero it out
+    fBufList = (XMLBuffer**) fMemoryManager->allocate(fBufCount * sizeof(XMLBuffer*)); // new XMLBuffer*[fBufCount];
+    for (XMLSize_t index = 0; index < fBufCount; index++)
+        fBufList[index] = 0;
+}
+
+XMLBufferMgr::~XMLBufferMgr()
+{
+    // Delete any buffers that got allocated
+    for (XMLSize_t index = 0; index < fBufCount; index++)
+        delete fBufList[index];
+
+    // And then the buffer list
+    fMemoryManager->deallocate(fBufList); //delete [] fBufList;
+}
+
+
+// ---------------------------------------------------------------------------
+//  Buffer management
+// ---------------------------------------------------------------------------
+XMLBuffer& XMLBufferMgr::bidOnBuffer()
+{
+    //
+    //  Look for a buffer that is not in use. If we hit a null entry, then
+    //  we have to add one.
+    //
+    for (XMLSize_t index = 0; index < fBufCount; index++)
+    {
+        // No more buffers available, so create one and take it
+        if (!fBufList[index])
+        {
+            fBufList[index] = new (fMemoryManager) XMLBuffer(1023, fMemoryManager);
+            fBufList[index]->setInUse(true);
+            return *fBufList[index];
+        }
+
+        //
+        //  There's one here, so see if its use. If not, mark it, reset it,
+        //  and take it
+        //
+        if (!fBufList[index]->getInUse())
+        {
+            fBufList[index]->reset();
+            fBufList[index]->setInUse(true);
+            return *(fBufList[index]);
+        }
+    }
+
+    // We did not find one, so freak out
+    ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::BufMgr_NoMoreBuffers, fMemoryManager);
+
+    // NOTE: Dummy return to make some compilers happy. Never really gets called!
+    return *fBufList[0];
+}
+
+
+void XMLBufferMgr::releaseBuffer(XMLBuffer& toRelease)
+{
+    // Look for this buffer in the list
+    for (XMLSize_t index = 0; index < fBufCount; index++)
+    {
+        if (fBufList[index] == &toRelease)
+        {
+            // Unmark it
+            toRelease.setInUse(false);
+            return;
+        }
+    }
+
+    // It was not a legal buffer
+    ThrowXMLwithMemMgr(RuntimeException, XMLExcepts::BufMgr_BufferNotInPool, fMemoryManager);
+}
+
+XERCES_CPP_NAMESPACE_END