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#include <Interface_BitMap.ixx>
#include <TCollection_AsciiString.hxx>
#include <Standard_NotImplemented.hxx>
Interface_BitMap::Interface_BitMap
(const Standard_Integer nbitems, const Standard_Integer resflags)
{
thenbitems = nbitems;
thenbwords = nbitems/32 + 1;
thenbflags = 0;
theflags = new TColStd_HArray1OfInteger (0,thenbwords*(resflags+1)); theflags->Init(0);
}
Interface_BitMap::Interface_BitMap
(const Interface_BitMap& other, const Standard_Boolean copied)
{
other.Internals (thenbitems,thenbwords,thenbflags,theflags,thenames);
if (!copied) return;
Standard_Integer nb = theflags->Upper ();
Handle(TColStd_HArray1OfInteger) flags = new TColStd_HArray1OfInteger(0,nb);
Standard_Integer i; // svv Jan11 2000 : porting on DEC
for (i = 0; i <= nb; i ++)
flags->SetValue (i,theflags->Value(i));
theflags = flags;
if (thenames.IsNull()) return;
nb = thenames->Length();
Handle(TColStd_HSequenceOfAsciiString) names = new TColStd_HSequenceOfAsciiString();
for (i = 1; i <= nb; i ++)
names->Append ( TCollection_AsciiString(thenames->Value(i)) );
thenames = names;
}
void Interface_BitMap::Internals
(Standard_Integer& nbitems, Standard_Integer& nbwords,
Standard_Integer& nbflags,
Handle(TColStd_HArray1OfInteger)& flags,
Handle(TColStd_HSequenceOfAsciiString)& names) const
{
nbitems = thenbitems; nbwords = thenbwords; nbflags = thenbflags;
flags = theflags; names = thenames;
}
void Interface_BitMap::Reservate (const Standard_Integer moreflags)
{
Standard_Integer nb = theflags->Upper ();
Standard_Integer nbflags = nb / thenbwords - 1; // flag 0 non compte ...
if (nbflags >= thenbflags + moreflags) return;
Standard_Integer nbw = thenbwords * (thenbflags+moreflags+2);
Handle(TColStd_HArray1OfInteger) flags = new TColStd_HArray1OfInteger(0,nbw);
Standard_Integer i; // svv Jan11 2000 : porting on DEC
for (i = 0; i <= nb; i ++)
flags->SetValue (i,theflags->Value(i));
for (i = nb+1; i <= nbw; i ++) flags->SetValue (i,0);
theflags = flags;
}
void Interface_BitMap::SetLength (const Standard_Integer nbitems)
{
Standard_Integer nbw = nbitems/32 + 1;
if (nbw == thenbwords) return;
Handle(TColStd_HArray1OfInteger) flags =
new TColStd_HArray1OfInteger(0,nbw*(thenbflags+1));
if (nbw > thenbwords) flags->Init(0);
Standard_Integer nbmots = (nbw > thenbwords ? thenbwords : nbw);
Standard_Integer i0 = 0, i1 = 0;
for (Standard_Integer nf = 0; nf <= thenbflags; nf ++) {
for (Standard_Integer i = 0; i < nbmots; i ++)
flags->SetValue (i1+i,theflags->Value(i0+i));
i0 += thenbwords; i1 += nbw;
}
theflags = flags;
thenbitems = nbitems;
thenbwords = nbw;
}
Standard_Integer Interface_BitMap::AddFlag (const Standard_CString name)
{
Reservate(1);
Standard_Integer deja = 0;
if (thenames.IsNull()) thenames = new TColStd_HSequenceOfAsciiString();
else {
Standard_Integer i, nb = thenames->Length();
for (i = 1; i <= nb; i ++) {
if (thenames->Value(i).IsEqual("."))
{ thenames->ChangeValue(i).AssignCat(name); deja = i; }
}
}
if (!deja) thenames->Append (TCollection_AsciiString(name));
thenbflags ++;
return (deja ? deja : thenbflags);
}
Standard_Integer Interface_BitMap::AddSomeFlags
(const Standard_Integer more)
{
Reservate(more);
if (thenames.IsNull()) thenames = new TColStd_HSequenceOfAsciiString();
for (Standard_Integer i = 1; i <= more; i ++)
thenames->Append (TCollection_AsciiString(""));
thenbflags += more;
return thenbflags;
}
Standard_Boolean Interface_BitMap::RemoveFlag
(const Standard_Integer num)
{
if (num < 1 || num > thenames->Length()) return Standard_False;
if (num == thenames->Length()) thenames->Remove (thenames->Length());
else thenames->ChangeValue(num).AssignCat(".");
thenbflags --;
return Standard_True;
}
Standard_Boolean Interface_BitMap::SetFlagName
(const Standard_Integer num, const Standard_CString name)
{
if (num < 1 || num > thenames->Length()) return Standard_False;
Standard_Integer deja = (name[0] == '\0' ? 0 : FlagNumber (name) );
if (deja != 0 && deja != num) return Standard_False;
thenames->ChangeValue(num).AssignCat(name);
return Standard_True;
}
Standard_Integer Interface_BitMap::NbFlags () const
{ return thenbflags; }
Standard_Integer Interface_BitMap::Length () const
{ return thenbitems; }
Standard_CString Interface_BitMap::FlagName
(const Standard_Integer num) const
{
if (theflags.IsNull()) return "";
if (num < 1 || num > thenames->Length()) return "";
return thenames->Value(num).ToCString();
}
Standard_Integer Interface_BitMap::FlagNumber
(const Standard_CString name) const
{
if (name[0] == '\0') return 0;
if (thenames.IsNull()) return 0;
Standard_Integer i, nb = thenames->Length();
for (i = 1; i <= nb; i ++)
if (thenames->Value(i).IsEqual(name)) return i;
return 0;
}
// Les valeurs ...
Standard_Boolean Interface_BitMap::Value
(const Standard_Integer item, const Standard_Integer flag) const
{
Standard_Integer numw = (thenbwords * flag) + (item >> 5);
const Standard_Integer& val = theflags->Value (numw);
if (val == 0 ) return Standard_False;
if (val == ~(0)) return Standard_True;
Standard_Integer numb = item & 31;
return ( ((1 << numb) & val) != 0);
}
void Interface_BitMap::SetValue
(const Standard_Integer item, const Standard_Boolean val,
const Standard_Integer flag) const
{
if (val) SetTrue (item,flag);
else SetFalse (item,flag);
}
void Interface_BitMap::SetTrue
(const Standard_Integer item, const Standard_Integer flag) const
{
Standard_Integer numw = (thenbwords * flag) + (item >> 5);
Standard_Integer numb = item & 31;
theflags->ChangeValue (numw) |= (1 << numb);
}
void Interface_BitMap::SetFalse
(const Standard_Integer item, const Standard_Integer flag) const
{
Standard_Integer numw = (thenbwords * flag) + (item >> 5);
Standard_Integer& val = theflags->ChangeValue (numw);
if (val == 0) return;
Standard_Integer numb = item & 31;
theflags->ChangeValue (numw) &= ~(1 << numb);
}
Standard_Boolean Interface_BitMap::CTrue
(const Standard_Integer item, const Standard_Integer flag) const
{
Standard_Integer numw = (thenbwords * flag) + (item >> 5);
Standard_Integer numb = item & 31;
Standard_Integer& val = theflags->ChangeValue (numw);
Standard_Integer res, mot = (1 << numb);
if (val == 0) { val = mot; return Standard_False; }
else { res = val & mot; val |= mot; }
return (res != 0);
}
Standard_Boolean Interface_BitMap::CFalse
(const Standard_Integer item, const Standard_Integer flag) const
{
Standard_Integer numw = (thenbwords * flag) + (item >> 5);
Standard_Integer numb = item & 31;
Standard_Integer& val = theflags->ChangeValue (numw);
Standard_Integer res, mot = ~(1 << numb);
if (val == ~(0)) { val = mot; return Standard_False; }
else { res = val | mot; val &= mot; }
return (res != 0);
}
void Interface_BitMap::Init
(const Standard_Boolean val, const Standard_Integer flag) const
{
Standard_Integer i, ii = thenbwords, i1 = thenbwords *flag;
if (flag < 0) { i1 = 0; ii = thenbwords*(thenbflags+1); }
if (val) for (i = 0; i < ii; i ++) theflags->SetValue (i1+i,~(0));
else for (i = 0; i < ii; i ++) theflags->SetValue (i1+i, 0 );
}
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