<HTML><HEAD><SCRIPT language="JavaScript" src="../resources/script.js" type="text/javascript"></SCRIPT><TITLE>Xerces-C++: PlatformUtils.hpp Source File</TITLE><link href="XercesApi.css" rel="stylesheet" type="text/css"></HEAD><BODY alink="#ff0000" bgcolor="#ffffff" leftmargin="4" link="#0000ff" marginheight="4" marginwidth="4" text="#000000" topmargin="4" vlink="#0000aa"><TABLE border="0" cellpadding="0" cellspacing="0" width="620"><TR><TD align="left" height="60" rowspan="3" valign="top" width="135"><IMG border="0" height="60" hspace="0" src="../resources/logo.gif" vspace="0" width="135"></TD><TD align="left" colspan="4" height="5" valign="top" width="456"><IMG border="0" height="5" hspace="0" src="../resources/line.gif" vspace="0" width="456"></TD><TD align="left" height="60" rowspan="3" valign="top" width="29"><IMG border="0" height="60" hspace="0" src="../resources/right.gif" vspace="0" width="29"></TD></TR><TR><TD align="left" bgcolor="#0086b2" colspan="4" height="35" valign="top" width="456"><IMG alt="" border="0" height="35" hspace="0" src="../graphics/api-header.jpg" vspace="0" width="456"></TD></TR><TR><TD align="left" height="20" valign="top" width="168"><IMG border="0" height="20" hspace="0" src="../resources/bottom.gif" vspace="0" width="168"></TD><TD align="left" height="20" valign="top" width="96"><A href="http://xml.apache.org/" onMouseOut="rolloverOff('xml');" onMouseOver="rolloverOn('xml');" target="new"><IMG alt="http://xml.apache.org/" border="0" height="20" hspace="0" name="xml" onLoad="rolloverLoad('xml','../resources/button-xml-hi.gif','../resources/button-xml-lo.gif');" src="../resources/button-xml-lo.gif" vspace="0" width="96"></A></TD><TD align="left" height="20" valign="top" width="96"><A href="http://www.apache.org/" onMouseOut="rolloverOff('asf');" onMouseOver="rolloverOn('asf');" target="new"><IMG alt="http://www.apache.org/" border="0" height="20" hspace="0" name="asf" onLoad="rolloverLoad('asf','../resources/button-asf-hi.gif','../resources/button-asf-lo.gif');" src="../resources/button-asf-lo.gif" vspace="0" width="96"></A></TD><TD align="left" height="20" valign="top" width="96"><A href="http://www.w3.org/" onMouseOut="rolloverOff('w3c');" onMouseOver="rolloverOn('w3c');" target="new"><IMG alt="http://www.w3.org/" border="0" height="20" hspace="0" name="w3c" onLoad="rolloverLoad('w3c','../resources/button-w3c-hi.gif','../resources/button-w3c-lo.gif');" src="../resources/button-w3c-lo.gif" vspace="0" width="96"></A></TD></TR></TABLE><TABLE border="0" cellpadding="0" cellspacing="0" width="620"><TR><TD align="left" valign="top" width="120"><IMG border="0" height="14" hspace="0" src="../resources/join.gif" vspace="0" width="120"><BR>
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<a class="el" href="dir_000000.html">src</a> / <a class="el" href="dir_000001.html">xercesc</a> / <a class="el" href="dir_000003.html">util</a></div>
<h1>PlatformUtils.hpp</h1><a href="PlatformUtils_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*</span>
00002 <span class="comment"> * Copyright 1999-2004 The Apache Software Foundation.</span>
00003 <span class="comment"> * </span>
00004 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span>
00005 <span class="comment"> * you may not use this file except in compliance with the License.</span>
00006 <span class="comment"> * You may obtain a copy of the License at</span>
00007 <span class="comment"> * </span>
00008 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span>
00009 <span class="comment"> * </span>
00010 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
00011 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
00012 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
00013 <span class="comment"> * See the License for the specific language governing permissions and</span>
00014 <span class="comment"> * limitations under the License.</span>
00015 <span class="comment"> */</span>
00016
00017 <span class="comment">/*</span>
00018 <span class="comment"> * $Id: PlatformUtils.hpp 180016 2005-06-04 19:49:30Z jberry $</span>
00019 <span class="comment"> */</span>
00020
00021
00022 <span class="preprocessor">#if !defined(PLATFORMUTILS_HPP)</span>
<a name="l00023"></a><a class="code" href="PlatformUtils_8hpp.html#a0">00023</a> <span class="preprocessor"></span><span class="preprocessor">#define PLATFORMUTILS_HPP</span>
00024 <span class="preprocessor"></span>
00025 <span class="preprocessor">#include <<a class="code" href="XMLException_8hpp.html">xercesc/util/XMLException.hpp</a>></span>
00026 <span class="preprocessor">#include <<a class="code" href="PanicHandler_8hpp.html">xercesc/util/PanicHandler.hpp</a>></span>
00027
00028 <a class="code" href="XercesDefs_8hpp.html#a3">XERCES_CPP_NAMESPACE_BEGIN</a>
00029
00030 <span class="keyword">class </span>XMLMsgLoader;
00031 <span class="keyword">class </span><a class="code" href="classXMLNetAccessor.html">XMLNetAccessor</a>;
00032 <span class="keyword">class </span><a class="code" href="classXMLTransService.html">XMLTransService</a>;
00033 <span class="keyword">class </span><a class="code" href="classMemoryManager.html">MemoryManager</a>;
00034 <span class="keyword">class </span>XMLMutex;
00035
00036 <span class="comment">//</span>
00037 <span class="comment">// For internal use only</span>
00038 <span class="comment">//</span>
00039 <span class="comment">// This class provides a simple abstract API via which lazily evaluated</span>
00040 <span class="comment">// data can be cleaned up.</span>
00041 <span class="comment">//</span>
<a name="l00042"></a><a class="code" href="classXMLDeleter.html">00042</a> <span class="keyword">class </span><a class="code" href="XercesDefs_8hpp.html#a9"></a> XMLDeleter
00043 {
00044 <span class="keyword">public</span> :
00045 <span class="keyword">virtual</span> ~XMLDeleter();
00046
00047 <span class="keyword">protected</span> :
00048 XMLDeleter();
00049
00050 <span class="keyword">private</span> :
00051 XMLDeleter(<span class="keyword">const</span> XMLDeleter&);
00052 XMLDeleter& operator=(<span class="keyword">const</span> XMLDeleter&);
00053 };
00054
00055
<a name="l00064"></a><a class="code" href="classXMLPlatformUtils.html">00064</a> <span class="keyword">class </span><a class="code" href="XercesDefs_8hpp.html#a9"></a> XMLPlatformUtils
00065 {
00066 <span class="keyword">public</span> :
00067
00070
<a name="l00083"></a><a class="code" href="classXMLPlatformUtils.html#z941_0">00083</a> <span class="keyword">static</span> <a class="code" href="classXMLNetAccessor.html">XMLNetAccessor</a>* fgNetAccessor;
00084
<a name="l00095"></a><a class="code" href="classXMLPlatformUtils.html#z941_1">00095</a> <span class="keyword">static</span> <a class="code" href="classXMLTransService.html">XMLTransService</a>* fgTransService;
00096
<a name="l00101"></a><a class="code" href="classXMLPlatformUtils.html#z941_2">00101</a> <span class="keyword">static</span> <a class="code" href="classPanicHandler.html">PanicHandler</a>* fgUserPanicHandler;
00102
<a name="l00107"></a><a class="code" href="classXMLPlatformUtils.html#z941_3">00107</a> <span class="keyword">static</span> <a class="code" href="classPanicHandler.html">PanicHandler</a>* fgDefaultPanicHandler;
00108
<a name="l00114"></a><a class="code" href="classXMLPlatformUtils.html#z941_4">00114</a> <span class="keyword">static</span> <a class="code" href="classMemoryManager.html">MemoryManager</a>* fgMemoryManager;
00115
<a name="l00124"></a><a class="code" href="classXMLPlatformUtils.html#z941_5">00124</a> <span class="keyword">static</span> <a class="code" href="classMemoryManager.html">MemoryManager</a>* fgArrayMemoryManager;
00125
<a name="l00126"></a><a class="code" href="classXMLPlatformUtils.html#z941_6">00126</a> <span class="keyword">static</span> XMLMutex* fgAtomicMutex;
00127
00129
00130
00133
00164 <span class="keyword">static</span> <span class="keywordtype">void</span> Initialize(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> locale = XMLUni::fgXercescDefaultLocale
00165 , <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> nlsHome = 0
00166 , <a class="code" href="classPanicHandler.html">PanicHandler</a>* <span class="keyword">const</span> panicHandler = 0
00167 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> memoryManager = 0
00168 , <span class="keywordtype">bool</span> toInitStatics = <span class="keyword">false</span>);
00169
00176 <span class="keyword">static</span> <span class="keywordtype">void</span> Terminate();
00177
00194 <span class="keyword">static</span> <span class="keywordtype">void</span> panic
00195 (
00196 <span class="keyword">const</span> PanicHandler::PanicReasons reason
00197 );
00198
00200
00203
00217 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> curFilePos(FileHandle theFile
00218 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00219
00230 <span class="keyword">static</span> <span class="keywordtype">void</span> closeFile(FileHandle theFile
00231 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00232
00243 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fileSize(FileHandle theFile
00244 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00245
00256 <span class="keyword">static</span> FileHandle openFile(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> fileName
00257 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00258
00269 <span class="keyword">static</span> FileHandle openFile(<span class="keyword">const</span> XMLCh* <span class="keyword">const</span> fileName
00270 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00271
00282 <span class="keyword">static</span> FileHandle openFileToWrite(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> fileName
00283 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00284
00295 <span class="keyword">static</span> FileHandle openFileToWrite(<span class="keyword">const</span> XMLCh* <span class="keyword">const</span> fileName
00296 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00297
00308 <span class="keyword">static</span> FileHandle openStdInHandle(<a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00309
00326 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> readFileBuffer
00327 (
00328 FileHandle theFile
00329 , <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> toRead
00330 , <a class="code" href="XercesDefs_8hpp.html#a17">XMLByte</a>* <span class="keyword">const</span> toFill
00331 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = <a class="code" href="classXMLPlatformUtils.html#z941_4">XMLPlatformUtils::fgMemoryManager</a>
00332 );
00333
00348 <span class="keyword">static</span> <span class="keywordtype">void</span> writeBufferToFile
00349 (
00350 FileHandle <span class="keyword">const</span> theFile
00351 , <span class="keywordtype">long</span> toWrite
00352 , <span class="keyword">const</span> <a class="code" href="XercesDefs_8hpp.html#a17">XMLByte</a>* <span class="keyword">const</span> toFlush
00353 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = <a class="code" href="classXMLPlatformUtils.html#z941_4">XMLPlatformUtils::fgMemoryManager</a>
00354 );
00355
00365 <span class="keyword">static</span> <span class="keywordtype">void</span> resetFile(FileHandle theFile
00366 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00367
00369
00370
00394 <span class="keyword">static</span> XMLCh* getFullPath
00395 (
00396 <span class="keyword">const</span> XMLCh* <span class="keyword">const</span> srcPath
00397 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = <a class="code" href="classXMLPlatformUtils.html#z941_4">XMLPlatformUtils::fgMemoryManager</a>
00398 );
00399
00413 <span class="keyword">static</span> XMLCh* getCurrentDirectory
00414 (
00415 <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = <a class="code" href="classXMLPlatformUtils.html#z941_4">XMLPlatformUtils::fgMemoryManager</a>
00416 );
00417
00427 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> isAnySlash(XMLCh c);
00428
00438 <span class="keyword">static</span> <span class="keywordtype">void</span> removeDotSlash(XMLCh* <span class="keyword">const</span> srcPath
00439 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00440
00451 <span class="keyword">static</span> <span class="keywordtype">void</span> removeDotDotSlash(XMLCh* <span class="keyword">const</span> srcPath
00452 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00453
00467 <span class="keyword">static</span> <span class="keywordtype">bool</span> isRelative(<span class="keyword">const</span> XMLCh* <span class="keyword">const</span> toCheck
00468 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager
00469 );
00470
00490 <span class="keyword">static</span> XMLCh* weavePaths
00491 (
00492 <span class="keyword">const</span> XMLCh* <span class="keyword">const</span> basePath
00493 , <span class="keyword">const</span> XMLCh* <span class="keyword">const</span> relativePath
00494 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = <a class="code" href="classXMLPlatformUtils.html#z941_4">XMLPlatformUtils::fgMemoryManager</a>
00495 );
00497
00500
00510 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> getCurrentMillis();
00512
00515
00523 <span class="keyword">static</span> <span class="keywordtype">void</span> closeMutex(<span class="keywordtype">void</span>* <span class="keyword">const</span> mtxHandle);
00524
00532 <span class="keyword">static</span> <span class="keywordtype">void</span> lockMutex(<span class="keywordtype">void</span>* <span class="keyword">const</span> mtxHandle);
00533
00543 <span class="keyword">static</span> <span class="keywordtype">void</span>* makeMutex(<a class="code" href="classMemoryManager.html">MemoryManager</a>* manager = XMLPlatformUtils::fgMemoryManager);
00544
00557 <span class="keyword">static</span> <span class="keywordtype">void</span> unlockMutex(<span class="keywordtype">void</span>* <span class="keyword">const</span> mtxHandle);
00558
00560
00561
00564
00572 <span class="keyword">static</span> XMLMsgLoader* loadMsgSet(<span class="keyword">const</span> XMLCh* <span class="keyword">const</span> msgDomain);
00573
00575
00578
00604 <span class="keyword">static</span> <span class="keywordtype">void</span>* compareAndSwap
00605 (
00606 <span class="keywordtype">void</span>** toFill
00607 , <span class="keyword">const</span> <span class="keywordtype">void</span>* <span class="keyword">const</span> newValue
00608 , <span class="keyword">const</span> <span class="keywordtype">void</span>* <span class="keyword">const</span> toCompare
00609 );
00610
00612
00613
00616
00636 <span class="keyword">static</span> <span class="keywordtype">int</span> atomicIncrement(<span class="keywordtype">int</span>& location);
00637
00657 <span class="keyword">static</span> <span class="keywordtype">int</span> atomicDecrement(<span class="keywordtype">int</span>& location);
00658
00660
00674 <span class="keyword">static</span> <span class="keywordtype">void</span> recognizeNEL(<span class="keywordtype">bool</span> state
00675 , <a class="code" href="classMemoryManager.html">MemoryManager</a>* <span class="keyword">const</span> manager = XMLPlatformUtils::fgMemoryManager);
00676
00680 <span class="keyword">static</span> <span class="keywordtype">bool</span> isNELRecognized();
00682
00694 <span class="keyword">static</span> <span class="keywordtype">void</span> strictIANAEncoding(<span class="keyword">const</span> <span class="keywordtype">bool</span> state);
00695
00700 <span class="keyword">static</span> <span class="keywordtype">bool</span> isStrictIANAEncoding();
00702
00710 <span class="keyword">static</span> <span class="keyword">inline</span> size_t alignPointerForNewBlockAllocation(size_t ptrSize);
00711
00712 <span class="keyword">private</span> :
00713 <span class="comment">// -----------------------------------------------------------------------</span>
00714 <span class="comment">// Unimplemented constructors and operators</span>
00715 <span class="comment">// -----------------------------------------------------------------------</span>
00716 XMLPlatformUtils();
00717
00720
00726 <span class="keyword">static</span> XMLMsgLoader* loadAMsgSet(<span class="keyword">const</span> XMLCh* <span class="keyword">const</span> msgDomain);
00727
00737 <span class="keyword">static</span> <a class="code" href="classXMLNetAccessor.html">XMLNetAccessor</a>* makeNetAccessor();
00738
00749 <span class="keyword">static</span> <a class="code" href="classXMLTransService.html">XMLTransService</a>* makeTransService();
00750
00757 <span class="keyword">static</span> <span class="keywordtype">void</span> platformInit();
00758
00765 <span class="keyword">static</span> <span class="keywordtype">void</span> platformTerm();
00766
00774 <span class="keyword">static</span> <span class="keywordtype">int</span> searchSlashDotDotSlash(XMLCh* <span class="keyword">const</span> srcPath);
00775
00777
00780
00787 <span class="keyword">static</span> <span class="keywordtype">bool</span> fgMemMgrAdopted;
00788
00790 };
00791
00792
<a name="l00793"></a><a class="code" href="PlatformUtils_8hpp.html#a1">00793</a> <a class="code" href="XMLException_8hpp.html#a1">MakeXMLException</a>(XMLPlatformUtilsException, )
00794
00795
00796 <span class="comment">// ---------------------------------------------------------------------------</span>
00797 <span class="comment">// XMLPlatformUtils: alignPointerForNewBlockAllocation</span>
00798 <span class="comment">// ---------------------------------------------------------------------------</span>
00799 <span class="comment">// Calculate alignment required by platform for a new</span>
00800 <span class="comment">// block allocation. We use this in our custom allocators</span>
00801 <span class="comment">// to ensure that returned blocks are properly aligned.</span>
00802 <span class="comment">// Note that, although this will take a pointer and return the position</span>
00803 <span class="comment">// at which it should be placed for correct alignment, in our code</span>
00804 <span class="comment">// we normally use size_t parameters to discover what the alignment</span>
00805 <span class="comment">// of header blocks should be. Thus, if this is to be</span>
00806 <span class="comment">// used for the former purpose, to make compilers happy</span>
00807 <span class="comment">// some casting will be necessary - neilg.</span>
00808 <span class="comment">//</span>
00809 <span class="comment">// Note: XML_PLATFORM_NEW_BLOCK_ALIGNMENT may be specified on a</span>
00810 <span class="comment">// per-architecture basis to dictate the alignment requirements</span>
00811 <span class="comment">// of the architecture. In the absense of this specification,</span>
00812 <span class="comment">// this routine guesses at the correct alignment value.</span>
00813 <span class="comment">//</span>
00814 <span class="comment">// A XML_PLATFORM_NEW_BLOCK_ALIGNMENT value of zero is illegal.</span>
00815 <span class="comment">// If a platform requires absolutely no alignment, a value</span>
00816 <span class="comment">// of 1 should be specified ("align pointers on 1 byte boundaries").</span>
00817 <span class="comment">//</span>
00818 inline size_t
00819 XMLPlatformUtils::alignPointerForNewBlockAllocation(size_t ptrSize)
00820 {
00821 <span class="comment">// Macro XML_PLATFORM_NEW_BLOCK_ALIGNMENT may be defined</span>
00822 <span class="comment">// as needed to dictate alignment requirements on a</span>
00823 <span class="comment">// per-architecture basis. In the absense of that we</span>
00824 <span class="comment">// take an educated guess.</span>
00825 <span class="preprocessor"> #ifdef XML_PLATFORM_NEW_BLOCK_ALIGNMENT</span>
00826 <span class="preprocessor"></span> size_t alignment = XML_PLATFORM_NEW_BLOCK_ALIGNMENT;
00827 <span class="preprocessor"> #else</span>
00828 <span class="preprocessor"></span> size_t alignment = (<span class="keyword">sizeof</span>(<span class="keywordtype">void</span>*) >= <span class="keyword">sizeof</span>(double)) ? <span class="keyword">sizeof</span>(<span class="keywordtype">void</span>*) : <span class="keyword">sizeof</span>(double);
00829 <span class="preprocessor"> #endif</span>
00830 <span class="preprocessor"></span>
00831 <span class="comment">// Calculate current alignment of pointer</span>
00832 size_t current = ptrSize % alignment;
00833
00834 <span class="comment">// Adjust pointer alignment as needed</span>
00835 <span class="keywordflow">return</span> (current == 0)
00836 ? ptrSize
00837 : (ptrSize + alignment - current);
00838 }
00839
00840
00841
00842 <span class="comment">// ---------------------------------------------------------------------------</span>
00843 <span class="comment">// XMLDeleter: Public Destructor</span>
00844 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00845"></a><a class="code" href="classXMLDeleter.html#a0">00845</a> <span class="keyword">inline</span> <a class="code" href="classXMLDeleter.html#a0">XMLDeleter::~XMLDeleter</a>()
00846 {
00847 }
00848
00849 <span class="comment">// ---------------------------------------------------------------------------</span>
00850 <span class="comment">// XMLDeleter: Hidden constructors and operators</span>
00851 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00852"></a><a class="code" href="classXMLDeleter.html#b0">00852</a> <span class="keyword">inline</span> <a class="code" href="classXMLDeleter.html#b0">XMLDeleter::XMLDeleter</a>()
00853 {
00854 }
00855
00856 <a class="code" href="XercesDefs_8hpp.html#a4">XERCES_CPP_NAMESPACE_END</a>
00857
00858 <span class="preprocessor">#endif</span>
</pre></div> </FONT></TD></TR></TABLE><BR>
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