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0027192: Improvement of storage of Ocaf document in XML file format

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Improvement of code in XmlMDataStd_ExtStringArrayDriver.cxx

Corrected test-script
This commit is contained in:
vro
2016-02-24 10:35:52 +03:00
committed by bugmaster
parent 863f782a42
commit e9947e12bc
4 changed files with 323 additions and 35 deletions
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203
src/XmlMDataStd/XmlMDataStd_ExtStringArrayDriver.cxx
View File

@@ -30,6 +30,24 @@ IMPLEMENT_DOMSTRING (FirstIndexString, "first")
IMPLEMENT_DOMSTRING (LastIndexString, "last")
IMPLEMENT_DOMSTRING (ExtString, "string")
IMPLEMENT_DOMSTRING (IsDeltaOn, "delta")
IMPLEMENT_DOMSTRING (Separator, "separator")
// Searches for a symbol within an array of strings.
// Returns TRUE if the symbol is found.
static Standard_Boolean Contains(const Handle(TDataStd_ExtStringArray)& arr,
const TCollection_ExtendedString& c)
{
for (Standard_Integer i = arr->Lower(); i <= arr->Upper(); i++)
{
const TCollection_ExtendedString& value = arr->Value(i);
if (value.Search(c) != -1)
{
return Standard_True;
}
}
return Standard_False;
}
//=======================================================================
//function : XmlMDataStd_ExtStringArrayDriver
//purpose : Constructor
@@ -85,32 +103,84 @@ Standard_Boolean XmlMDataStd_ExtStringArrayDriver::Paste
return Standard_False;
}
// Read separator.
TCollection_ExtendedString separator;
XmlObjMgt_DOMString aSeparator = anElement.getAttribute(::Separator());
if (aSeparator.Type() != XmlObjMgt_DOMString::LDOM_NULL)
separator = aSeparator.GetString();
Handle(TDataStd_ExtStringArray) aExtStringArray =
Handle(TDataStd_ExtStringArray)::DownCast(theTarget);
aExtStringArray->Init(aFirstInd, aLastInd);
if ( !anElement.hasChildNodes() )
{
TCollection_ExtendedString aMessageString =
TCollection_ExtendedString("Cannot retrieve array of extended string");
WriteMessage (aMessageString);
return Standard_False;
}
LDOM_Node aCurNode = anElement.getFirstChild();
LDOM_Element* aCurElement = (LDOM_Element*)&aCurNode;
TCollection_ExtendedString aValueStr;
for (ind = aFirstInd; ind <= aLastInd && *aCurElement != anElement.getLastChild(); ind++)
// Read string values.
if ( !separator.Length() && anElement.hasChildNodes() )
{
// Read values written by <string>VALUE<\string> notion - as children of the attribute.
LDOM_Node aCurNode = anElement.getFirstChild();
LDOM_Element* aCurElement = (LDOM_Element*)&aCurNode;
TCollection_ExtendedString aValueStr;
for (ind = aFirstInd; ind <= aLastInd && *aCurElement != anElement.getLastChild(); ind++)
{
XmlObjMgt::GetExtendedString( *aCurElement, aValueStr );
aExtStringArray->SetValue(ind, aValueStr);
aCurNode = aCurElement->getNextSibling();
aCurElement = (LDOM_Element*)&aCurNode;
}
XmlObjMgt::GetExtendedString( *aCurElement, aValueStr );
aExtStringArray->SetValue(ind, aValueStr);
aCurNode = aCurElement->getNextSibling();
aCurElement = (LDOM_Element*)&aCurNode;
aExtStringArray->SetValue( aLastInd, aValueStr );
}
else
{
TCollection_ExtendedString xstr;
XmlObjMgt::GetExtendedString(anElement, xstr);
#ifdef _DEBUG
TCollection_AsciiString cstr(xstr, '?');
#endif
// Split strings by the separator.
Standard_Integer isym(1); // index of symbol in xstr
Standard_ExtCharacter xsep = separator.Value(1);
for (ind = aFirstInd; ind <= aLastInd; ind++)
{
// Calculate length of the string-value.
Standard_Integer iend = isym;
while (iend < xstr.Length())
{
if (xstr.Value(iend) == xsep)
{
break;
}
iend++;
}
if (iend <= xstr.Length() &&
xstr.Value(iend) != xsep)
{
iend++;
}
// Allocate the string-value.
TCollection_ExtendedString xvalue(iend - isym, '\0');
// Set string-value.
for (Standard_Integer i = isym; i < iend; ++i)
{
const Standard_ExtCharacter x = xstr.Value(i);
xvalue.SetValue(i - isym + 1, x);
}
#ifdef _DEBUG
TCollection_AsciiString cvalue(xvalue, '?');
#endif
// Set value for the array.
aExtStringArray->SetValue(ind, xvalue);
// Next string-value.
isym = iend + 1;
}
}
XmlObjMgt::GetExtendedString( *aCurElement, aValueStr );
aExtStringArray->SetValue( aLastInd, aValueStr );
// Read delta-flag.
Standard_Boolean aDelta(Standard_False);
if(XmlMDataStd::DocumentVersion() > 2) {
@@ -147,7 +217,7 @@ void XmlMDataStd_ExtStringArrayDriver::Paste (const Handle(TDF_Attribute)& theSo
Handle(TDataStd_ExtStringArray) aExtStringArray =
Handle(TDataStd_ExtStringArray)::DownCast(theSource);
Standard_Integer aL = aExtStringArray->Lower(), anU = aExtStringArray->Upper();
Standard_Integer aL = aExtStringArray->Lower(), anU = aExtStringArray->Upper(), i;
XmlObjMgt_Element& anElement = theTarget;
@@ -155,14 +225,93 @@ void XmlMDataStd_ExtStringArrayDriver::Paste (const Handle(TDF_Attribute)& theSo
anElement.setAttribute(::LastIndexString(), anU);
anElement.setAttribute(::IsDeltaOn(), aExtStringArray->GetDelta());
// store a set of elements with string in each of them
XmlObjMgt_Document aDoc (anElement.getOwnerDocument());
for ( Standard_Integer i = aL; i <= anU; i++ )
// Find a separator.
Standard_Boolean found(Standard_True);
// Preferrable symbols for the separator: - _ . : ^ ~
// Don't use a space as a separator: XML low-level parser sometimes "eats" it.
Standard_Character c = '-';
static Standard_Character aPreferable[] = "-_.:^~";
for (i = 0; found && aPreferable[i]; i++)
{
TCollection_ExtendedString aValueStr = aExtStringArray->Value( i );
XmlObjMgt_Element aCurTarget = aDoc.createElement( ::ExtString() );
XmlObjMgt::SetExtendedString( aCurTarget, aValueStr );
anElement.appendChild( aCurTarget );
c = aPreferable[i];
found = Contains(aExtStringArray, TCollection_ExtendedString(c));
}
// If all prefferable symbols exist in the array,
// try to use any other simple symbols.
if (found)
{
c = '!';
while (found && c < '~')
{
found = Standard_False;
#ifdef _DEBUG
TCollection_AsciiString cseparator(c); // deb
#endif
TCollection_ExtendedString separator(c);
found = Contains(aExtStringArray, separator);
if (found)
{
c++;
// Skip forbidden symbols for XML.
while (c < '~' && (c == '&' || c == '<'))
{
c++;
}
}
}
}
if (found)
{
// There is no unique separator. Use child elements for storage of strings of the array.
// store a set of elements with string in each of them
XmlObjMgt_Document aDoc (anElement.getOwnerDocument());
for ( i = aL; i <= anU; i++ )
{
const TCollection_ExtendedString& aValueStr = aExtStringArray->Value( i );
XmlObjMgt_Element aCurTarget = aDoc.createElement( ::ExtString() );
XmlObjMgt::SetExtendedString( aCurTarget, aValueStr );
anElement.appendChild( aCurTarget );
}
}
else
{
// Set the separator.
TCollection_AsciiString csep(c);
anElement.setAttribute(::Separator(), csep.ToCString());
// Calculate length of the common string.
Standard_Integer len(0);
for (i = aL; i <= anU; i++)
{
const TCollection_ExtendedString& aValueStr = aExtStringArray->Value(i);
len += aValueStr.Length();
len++; // for separator or ending \0 symbol
}
if (!len)
len++; // for end of line \0 symbol
// Merge all strings of the array into one extended string separated by the "separator".
Standard_Integer isym(1);
TCollection_ExtendedString xstr(len, c);
for (i = aL; i <= anU; i++)
{
const TCollection_ExtendedString& aValueStr = aExtStringArray->Value(i);
for (Standard_Integer k = 1; k <= aValueStr.Length(); k++)
{
xstr.SetValue(isym++, aValueStr.Value(k));
}
xstr.SetValue(isym++, c);
}
if (xstr.SearchFromEnd(c) == isym - 1)
isym--; // replace the last separator by '\0'
xstr.SetValue(isym, '\0');
#ifdef _DEBUG
TCollection_AsciiString cstr(xstr, '?'); // deb
#endif
// Set UNICODE value.
XmlObjMgt::SetExtendedString(theTarget, xstr);
}
}

20
src/XmlMDataStd/XmlMDataStd_TreeNodeDriver.cxx
View File

@@ -59,8 +59,12 @@ Standard_Boolean XmlMDataStd_TreeNodeDriver::Paste
const XmlObjMgt_Element& anElement = theSource;
// tree id
Standard_GUID aGUID;
XmlObjMgt_DOMString aGUIDStr = anElement.getAttribute(::TreeIdString());
Standard_GUID aGUID (Standard_CString(aGUIDStr.GetString()));
if (aGUIDStr.Type() == XmlObjMgt_DOMString::LDOM_NULL)
aGUID = TDataStd_TreeNode::GetDefaultTreeID();
else
aGUID = Standard_GUID(Standard_CString(aGUIDStr.GetString()));
aT->SetTreeID(aGUID);
// children
@@ -111,11 +115,13 @@ void XmlMDataStd_TreeNodeDriver::Paste
Handle(TDataStd_TreeNode) aS = Handle(TDataStd_TreeNode)::DownCast(theSource);
// tree id
Standard_Integer aNb;
Standard_Character aGuidStr [40];
Standard_PCharacter pGuidStr=aGuidStr;
aS->ID().ToCString (pGuidStr);
theTarget.Element().setAttribute(::TreeIdString(), aGuidStr);
if (aS->ID() != TDataStd_TreeNode::GetDefaultTreeID())
{
Standard_Character aGuidStr [40];
Standard_PCharacter pGuidStr=aGuidStr;
aS->ID().ToCString (pGuidStr);
theTarget.Element().setAttribute(::TreeIdString(), aGuidStr);
}
// Find number of children.
int nbChildren = aS->NbChildren();
@@ -130,7 +136,7 @@ void XmlMDataStd_TreeNodeDriver::Paste
Handle(TDataStd_TreeNode) aF = aS->First();
while (!aF.IsNull())
{
aNb = theRelocTable.FindIndex(aF);
Standard_Integer aNb = theRelocTable.FindIndex(aF);
if (aNb == 0)
{
aNb = theRelocTable.Add(aF);