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occt/src/XmlMDataStd/XmlMDataStd_RealArrayDriver.cxx

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// Created on: 2001-08-24
// Created by: Alexnder GRIGORIEV
// Copyright (c) 2001-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
//AGV 150202: Changed prototype XmlObjMgt::SetStringValue()
#include <Message_Messenger.hxx>
#include <NCollection_LocalArray.hxx>
#include <Standard_ErrorHandler.hxx>
#include <Standard_Type.hxx>
#include <TDataStd_RealArray.hxx>
#include <TDF_Attribute.hxx>
#include <TDocStd_FormatVersion.hxx>
#include <XmlMDataStd.hxx>
#include <XmlMDataStd_RealArrayDriver.hxx>
#include <XmlObjMgt.hxx>
#include <XmlObjMgt_Persistent.hxx>
#include <stdio.h>
IMPLEMENT_STANDARD_RTTIEXT(XmlMDataStd_RealArrayDriver,XmlMDF_ADriver)
IMPLEMENT_DOMSTRING (FirstIndexString, "first")
IMPLEMENT_DOMSTRING (LastIndexString, "last")
IMPLEMENT_DOMSTRING (IsDeltaOn, "delta")
IMPLEMENT_DOMSTRING (AttributeIDString, "realarrattguid")
//=======================================================================
//function : XmlMDataStd_RealArrayDriver
//purpose : Constructor
//=======================================================================
XmlMDataStd_RealArrayDriver::XmlMDataStd_RealArrayDriver
(const Handle(Message_Messenger)& theMsgDriver)
: XmlMDF_ADriver (theMsgDriver, NULL)
{}
//=======================================================================
//function : NewEmpty
//purpose :
//=======================================================================
Handle(TDF_Attribute) XmlMDataStd_RealArrayDriver::NewEmpty() const
{
return (new TDataStd_RealArray());
}
//=======================================================================
//function : Paste
//purpose : persistent -> transient (retrieve)
//=======================================================================
Standard_Boolean XmlMDataStd_RealArrayDriver::Paste
(const XmlObjMgt_Persistent& theSource,
const Handle(TDF_Attribute)& theTarget,
XmlObjMgt_RRelocationTable& theRelocTable) const
{
Handle(TDataStd_RealArray) aRealArray = Handle(TDataStd_RealArray)::DownCast(theTarget);
const XmlObjMgt_Element& anElement = theSource;
// attribute id
Standard_GUID aGUID;
XmlObjMgt_DOMString aGUIDStr = anElement.getAttribute(::AttributeIDString());
if (aGUIDStr.Type() == XmlObjMgt_DOMString::LDOM_NULL)
aGUID = TDataStd_RealArray::GetID(); //default case
else
aGUID = Standard_GUID(Standard_CString(aGUIDStr.GetString())); // user defined case
aRealArray->SetID(aGUID);
Standard_Integer aFirstInd, aLastInd, ind;
// Read the FirstIndex; if the attribute is absent initialize to 1
XmlObjMgt_DOMString aFirstIndex= anElement.getAttribute(::FirstIndexString());
if (aFirstIndex == NULL)
aFirstInd = 1;
else if (!aFirstIndex.GetInteger(aFirstInd)) {
TCollection_ExtendedString aMessageString =
TCollection_ExtendedString("Cannot retrieve the first index"
" for RealArray attribute as \"")
+ aFirstIndex + "\"";
myMessageDriver->Send (aMessageString, Message_Fail);
return Standard_False;
}
// Read LastIndex; the attribute should be present
if (!anElement.getAttribute(::LastIndexString()).GetInteger(aLastInd)) {
TCollection_ExtendedString aMessageString =
TCollection_ExtendedString("Cannot retrieve the last index"
" for RealArray attribute as \"")
+ aFirstIndex + "\"";
myMessageDriver->Send (aMessageString, Message_Fail);
return Standard_False;
}
aRealArray->Init(aFirstInd, aLastInd);
// Check the type of LDOMString
const XmlObjMgt_DOMString& aString = XmlObjMgt::GetStringValue(anElement);
if (aString.Type() == LDOMBasicString::LDOM_Integer) {
if (aFirstInd == aLastInd) {
Standard_Integer anIntValue;
if (aString.GetInteger(anIntValue))
aRealArray -> SetValue (aFirstInd, Standard_Real(anIntValue));
} else {
TCollection_ExtendedString aMessageString =
TCollection_ExtendedString("Cannot retrieve array of real members"
" for RealArray attribute from Integer \"")
+ aString + "\"";
myMessageDriver->Send (aMessageString, Message_Fail);
return Standard_False;
}
} else {
Standard_Real aValue;
Standard_CString aValueStr = Standard_CString(aString.GetString());
for (ind = aFirstInd; ind <= aLastInd; ind++)
{
if (!XmlObjMgt::GetReal(aValueStr, aValue)) {
TCollection_ExtendedString aMessageString =
TCollection_ExtendedString("Cannot retrieve real member"
" for RealArray attribute as \"")
+ aValueStr + "\"";
myMessageDriver->Send (aMessageString, Message_Warning);
// skip the first space, if exists
while (*aValueStr != 0 && IsSpace (*aValueStr))
++aValueStr;
// skip to the next space separator
while (*aValueStr != 0 && ! IsSpace (*aValueStr))
++aValueStr;
}
aRealArray->SetValue(ind, aValue);
}
}
Standard_Boolean aDelta(Standard_False);
if(theRelocTable.GetHeaderData()->StorageVersion().IntegerValue() >= TDocStd_FormatVersion_VERSION_3) {
Standard_Integer aDeltaValue;
if (!anElement.getAttribute(::IsDeltaOn()).GetInteger(aDeltaValue))
{
TCollection_ExtendedString aMessageString =
TCollection_ExtendedString("Cannot retrieve the isDelta value"
" for RealArray attribute as \"")
+ aDeltaValue + "\"";
myMessageDriver->Send (aMessageString, Message_Fail);
return Standard_False;
}
else
aDelta = aDeltaValue != 0;
}
aRealArray->SetDelta(aDelta);
return Standard_True;
}
//=======================================================================
//function : Paste
//purpose : transient -> persistent (store)
//=======================================================================
void XmlMDataStd_RealArrayDriver::Paste (const Handle(TDF_Attribute)& theSource,
XmlObjMgt_Persistent& theTarget,
XmlObjMgt_SRelocationTable& ) const
{
Handle(TDataStd_RealArray) aRealArray =
Handle(TDataStd_RealArray)::DownCast(theSource);
const Handle(TColStd_HArray1OfReal)& hRealArray = aRealArray->Array();
const TColStd_Array1OfReal& realArray = hRealArray->Array1();
Standard_Integer aL = realArray.Lower(), anU = realArray.Upper();
if (aL != 1) theTarget.Element().setAttribute(::FirstIndexString(), aL);
theTarget.Element().setAttribute(::LastIndexString(), anU);
theTarget.Element().setAttribute(::IsDeltaOn(), aRealArray->GetDelta() ? 1 : 0);
// Allocation of 25 chars for each double value including the space:
// An example: -3.1512678732195273e+020
Standard_Integer iChar = 0;
NCollection_LocalArray<Standard_Character> str;
if (realArray.Length())
{
try
{
OCC_CATCH_SIGNALS
str.Allocate(25 * realArray.Length() + 1);
}
catch (Standard_OutOfMemory const&)
{
// If allocation of big space for the string of double array values failed,
// try to calculate the necessary space more accurate and allocate it.
// It may take some time... therefore it was not done initially and
// an attempt to use a simple 25 chars for a double value was used.
Standard_Character buf[25];
Standard_Integer i(aL), nbChars(0);
while (i <= anU)
{
nbChars += Sprintf(buf, "%.17g ", realArray.Value(i++)) + 1/*a space*/;
}
if (nbChars)
str.Allocate(nbChars);
}
}
Standard_Integer i = aL;
for (;;)
{
iChar += Sprintf(&(str[iChar]), "%.17g ", realArray.Value(i));
if (i >= anU)
break;
++i;
}
// No occurrence of '&', '<' and other irregular XML characters
if (realArray.Length())
{
str[iChar - 1] = '\0';
XmlObjMgt::SetStringValue (theTarget, (Standard_Character*)str, Standard_True);
}
if(aRealArray->ID() != TDataStd_RealArray::GetID()) {
//convert GUID
Standard_Character aGuidStr [Standard_GUID_SIZE_ALLOC];
Standard_PCharacter pGuidStr = aGuidStr;
aRealArray->ID().ToCString (pGuidStr);
theTarget.Element().setAttribute (::AttributeIDString(), aGuidStr);
}
}
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