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472433e2c7
Auxiliary classes StdObjMgt_ReadData::Object and StdObjMgt_WriteData::Object are renamed to "ObjectSentry" (to better reflect their nature); constructor is made explicit to ensure that such objects are always created intentionally. These objects are instantiated explicitly in the body of relevant functions, instead of implicit creation as temporary objects when function requires such object as argument. Variable used to get char from stream is nullified in several places in FSD_File and other classes, to avoid possible usage of uninitialized memory in case if stream is bad.
101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
// Copyright (c) 2015 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <StdLPersistent_HString.hxx>
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#include <StdObjMgt_ReadData.hxx>
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#include <StdObjMgt_WriteData.hxx>
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#include <TDF_Label.hxx>
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#include <TDF_Tool.hxx>
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//=======================================================================
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//function : Read
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//purpose : Read persistent data from a file
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//=======================================================================
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template <class StringClass, typename CharType>
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void StdLPersistent_HString::instance<StringClass, CharType>::Read
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(StdObjMgt_ReadData& theReadData)
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{
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StdObjMgt_ReadData::ObjectSentry aSentry (theReadData);
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Standard_Integer aSize;
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theReadData >> aSize;
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myValue = new StringClass (aSize, 0);
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for (Standard_Integer i = 1; i <= aSize; i++)
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{
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CharType aChar;
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theReadData >> aChar;
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myValue->SetValue (i, aChar);
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}
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}
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//=======================================================================
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//function : Write
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//purpose : Write persistent data to a file
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//=======================================================================
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template <class StringClass, typename CharType>
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void StdLPersistent_HString::instance<StringClass, CharType>::Write
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(StdObjMgt_WriteData& theWriteData) const
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{
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StdObjMgt_WriteData::ObjectSentry aSentry (theWriteData);
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Standard_Integer aSize = myValue->Length();
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theWriteData << aSize;
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for (Standard_Integer i = 1; i <= aSize; i++)
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{
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CharType aChar (0);
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theWriteData << aChar;
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}
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}
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//=======================================================================
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//function : Label
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//purpose : Get/create a label defined by referenced string
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//=======================================================================
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template <class StringClass, typename CharType>
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TDF_Label StdLPersistent_HString::instance<StringClass, CharType>::Label
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(const Handle(TDF_Data)& theDF) const
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{
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TDF_Label aLabel;
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if (!myValue.IsNull())
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TDF_Tool::Label (theDF, myValue->String(), aLabel, Standard_True);
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return aLabel;
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}
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//=======================================================================
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//function : AsciiString
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//purpose : Get referenced ASCII string
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//=======================================================================
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Handle(TCollection_HAsciiString)
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StdLPersistent_HString::Ascii::AsciiString() const
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{ return myValue; }
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//=======================================================================
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//function : ExtString
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//purpose : Get referenced extended string
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//=======================================================================
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Handle(TCollection_HExtendedString)
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StdLPersistent_HString::Extended::ExtString() const
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{ return myValue; }
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template class StdLPersistent_HString::instance
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<TCollection_HAsciiString, Standard_Character>;
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template class StdLPersistent_HString::instance
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<TCollection_HExtendedString, Standard_ExtCharacter>;
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