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#include <Interface_LineBuffer.ixx>
#include <Standard_OutOfRange.hxx>
// LineBuffer, c est une String avec une Longueur reservee fixe au depart
// et une longueur effective <thelen>. theline(thelen+1) vaut '\0'
Interface_LineBuffer::Interface_LineBuffer (const Standard_Integer size)
: theline (size+1,' ')
{
theline.SetValue(1,'\0');
themax = size; theinit = thelen = theget = thekeep = thefriz = 0;
}
void Interface_LineBuffer::SetMax (const Standard_Integer max)
{
if (max > theline.Length()) Standard_OutOfRange::Raise
("Interface LineBuffer : SetMax");
if (max <= 0) themax = theline.Length();
else themax = max;
}
void Interface_LineBuffer::SetInitial (const Standard_Integer initial)
{
if (thefriz > 0) return;
if (initial >= themax) Standard_OutOfRange::Raise
("Interface LineBuffer : SetInitial");
if (initial <= 0) theinit = 0;
else theinit = initial;
}
void Interface_LineBuffer::SetKeep ()
{ thekeep = -thelen; }
Standard_Boolean Interface_LineBuffer::CanGet (const Standard_Integer more)
{
theget = more;
if ((thelen + theinit + more) <= themax) return Standard_True;
if (thekeep < 0) thekeep = -thekeep;
return Standard_False;
}
Standard_CString Interface_LineBuffer::Content () const
{ return theline.ToCString(); }
Standard_Integer Interface_LineBuffer::Length () const
{ return thelen + theinit; } // +theinit : longueur vraie avec blancs
void Interface_LineBuffer::FreezeInitial ()
{ thefriz = theinit+1; theinit = 0; }
void Interface_LineBuffer::Clear ()
{
theget = thekeep = thelen = thefriz = 0;
theline.SetValue(1,'\0');
}
// .... RESULTATS ....
void Interface_LineBuffer::Prepare ()
{
// ATTENTION aux blanx initiaux
if (theinit > 0) {
Standard_Integer i; // svv Jan11 2000 : porting on DEC
// pdn Protection
if( (thelen +theinit) > themax)
return;
for (i = thelen + 1; i > 0; i --) {
theline.SetValue(i + theinit, theline.Value(i));
}
for (i = 1; i <= theinit; i ++) theline.SetValue(i,' ');
}
// GERER KEEP : est-il jouable ? sinon, annuler. sioui, noter la jointure
if (thekeep > 0) thekeep += (theinit+1); // theinit, et +1 car Keep INCLUS
if (thekeep > 0)
{ if ((thelen + theget + theinit - thekeep) >= themax) thekeep = 0; }
if (thekeep > 0)
{ thekept = theline.Value(thekeep); theline.SetValue(thekeep,'\0'); }
}
void Interface_LineBuffer::Keep ()
{
// Si Keep, sauver de thekeep + 1 a thelen (+1 pour 0 final)
if (thekeep > 0) {
theline.SetValue(1,thekept);
for (Standard_Integer i = thekeep+1; i <= thelen+theinit+1; i ++) {
theline.SetValue(i-thekeep+1, theline.Value(i));
}
thelen = thelen+theinit-thekeep+1;
}
else Clear();
theget = thekeep = 0;
if (thefriz > 0) { theinit = thefriz - 1; thefriz = 0; }
}
void Interface_LineBuffer::Move (TCollection_AsciiString& str)
{
Prepare();
str.AssignCat(theline.ToCString());
Keep();
}
void Interface_LineBuffer::Move (const Handle(TCollection_HAsciiString)& str)
{
Prepare();
str->AssignCat(theline.ToCString());
Keep();
}
Handle(TCollection_HAsciiString) Interface_LineBuffer::Moved ()
{
Prepare();
Handle(TCollection_HAsciiString) R =
new TCollection_HAsciiString(theline.ToCString());
Keep();
return R;
}
// .... AJOUTS ....
void Interface_LineBuffer::Add (const Standard_CString text)
{ Add (text,strlen(text)); }
void Interface_LineBuffer::Add
(const Standard_CString text, const Standard_Integer lntext)
{
Standard_Integer lnt =
(lntext > (themax-thelen-theinit) ? (themax-thelen-theinit) : lntext);
for (Standard_Integer i = 1; i <= lnt; i ++)
theline.SetValue (thelen+i, text[i-1]);
thelen += lnt;
theline.SetValue (thelen+1, '\0');
}
void Interface_LineBuffer::Add (const TCollection_AsciiString& text)
{ Add ( text.ToCString() , text.Length() ); }
void Interface_LineBuffer::Add (const Standard_Character text)
{
theline.SetValue (thelen+1,text);
thelen ++;
theline.SetValue (thelen+1,'\0');
}
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