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
@@ -0,0 +1,154 @@
+/*
+ * 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: LocalFileFormatTarget.cpp 1662880 2015-02-28 01:55:31Z scantor $
+ */
+
+#include <xercesc/framework/LocalFileFormatTarget.hpp>
+#include <xercesc/framework/MemoryManager.hpp>
+#include <xercesc/util/IOException.hpp>
+#include <xercesc/util/OutOfMemoryException.hpp>
+#include <assert.h>
+#include <string.h>
+
+XERCES_CPP_NAMESPACE_BEGIN
+
+const XMLSize_t MAX_BUFFER_SIZE = 65536;
+
+LocalFileFormatTarget::LocalFileFormatTarget( const XMLCh* const   fileName
+                                            , MemoryManager* const manager)
+: fSource(0)
+, fDataBuf(0)
+, fIndex(0)
+, fCapacity(1024)
+, fMemoryManager(manager)
+{
+    fSource = XMLPlatformUtils::openFileToWrite(fileName, manager);
+
+    if (fSource == (FileHandle) XERCES_Invalid_File_Handle)
+        ThrowXMLwithMemMgr1(IOException, XMLExcepts::File_CouldNotOpenFile, fileName, fMemoryManager);
+
+    fDataBuf = (XMLByte*) fMemoryManager->allocate (
+      fCapacity * sizeof(XMLByte));
+}
+
+LocalFileFormatTarget::LocalFileFormatTarget( const char* const    fileName
+                                            , MemoryManager* const manager)
+: fSource(0)
+, fDataBuf(0)
+, fIndex(0)
+, fCapacity(1024)
+, fMemoryManager(manager)
+{
+    fSource = XMLPlatformUtils::openFileToWrite(fileName, manager);
+
+    if (fSource == (FileHandle) XERCES_Invalid_File_Handle)
+        ThrowXMLwithMemMgr1(IOException, XMLExcepts::File_CouldNotOpenFile, fileName, fMemoryManager);
+
+    fDataBuf = (XMLByte*) fMemoryManager->allocate (
+      fCapacity * sizeof(XMLByte));
+}
+
+LocalFileFormatTarget::~LocalFileFormatTarget()
+{
+    if (fSource && fSource != (FileHandle) XERCES_Invalid_File_Handle)
+    {
+        try
+        {
+            // flush remaining buffer before destroy
+            flush();
+        }
+        catch (...)
+        {
+            // There is nothing we can do about it here.
+        }
+        // XERCESC-2024: use separate try/catch so that we close the handle
+        // even when flush() failed (e.g. because of a disk full)
+        try
+        {
+            XMLPlatformUtils::closeFile(fSource, fMemoryManager);
+        }
+        catch (...)
+        {
+            // There is nothing we can do about it here.
+        }
+    }
+
+    fMemoryManager->deallocate(fDataBuf);//delete [] fDataBuf;
+}
+
+void LocalFileFormatTarget::flush()
+{
+    XMLPlatformUtils::writeBufferToFile(fSource, fIndex, fDataBuf, fMemoryManager);
+    fIndex = 0;
+}
+
+void LocalFileFormatTarget::writeChars(const XMLByte* const toWrite
+                                     , const XMLSize_t count
+                                     , XMLFormatter * const)
+{
+    if (count == 0)
+        return;
+    if (count < MAX_BUFFER_SIZE)
+    {
+        // If we don't have enough space, see if we can grow the buffer.
+        //
+        if (fIndex + count > fCapacity && fCapacity < MAX_BUFFER_SIZE)
+            ensureCapacity (count);
+
+        // If still not enough space, flush the buffer.
+        //
+        if (fIndex + count > fCapacity)
+            flush();
+
+        memcpy(&fDataBuf[fIndex], toWrite, count * sizeof(XMLByte));
+        fIndex += count;
+    }
+    else
+    {
+        // block is too big to cache, flush the current cache...
+        //
+        if (fIndex)
+            flush();
+
+        //... then write the data directly to disk
+        //
+        XMLPlatformUtils::writeBufferToFile(fSource, count, toWrite, fMemoryManager);
+    }
+}
+
+void LocalFileFormatTarget::ensureCapacity(const XMLSize_t extraNeeded)
+{
+    XMLSize_t newCap = fCapacity * 2;
+
+    while (fIndex + extraNeeded > newCap)
+      newCap *= 2;
+
+    XMLByte* newBuf  = (XMLByte*) fMemoryManager->allocate (
+      newCap * sizeof(XMLByte));
+
+    // Copy over the old stuff
+    memcpy(newBuf, fDataBuf, fIndex * sizeof(XMLByte));
+
+    // Clean up old buffer and store new stuff
+    fMemoryManager->deallocate(fDataBuf);
+    fDataBuf = newBuf;
+    fCapacity = newCap;
+}
+
+XERCES_CPP_NAMESPACE_END