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// File: Standard_Failure.cxx
// Copyright: Open Cascade 2006
#include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.ixx>
#include <Standard_TypeMismatch.hxx>
#include <Standard_Type.hxx>
#include <Standard_Macro.hxx>
#include <string.h>
#include <Standard_PCharacter.hxx>
static Standard_CString allocate_message(const Standard_CString AString)
{
Standard_CString aStr = 0;
if(AString) {
const Standard_Size aLen = strlen(AString);
aStr = new Standard_Character[aLen+sizeof(Standard_Integer)+1];
Standard_PCharacter pStr=(Standard_PCharacter)aStr;
strcpy(pStr+sizeof(Standard_Integer),AString);
*((Standard_Integer*)aStr) = 1;
}
return aStr;
}
static Standard_CString copy_message(Standard_CString aMessage)
{
Standard_CString aStr = 0;
if(aMessage) {
aStr = aMessage;
(*((Standard_Integer*)aStr))++;
}
return aStr;
}
static void deallocate_message(Standard_CString aMessage)
{
if(aMessage) {
(*((Standard_Integer*)aMessage))--;
if(*((Standard_Integer*)aMessage)==0)
delete [](Standard_PCharacter)aMessage;
}
}
// ******************************************************************
// Standard_Failure *
// ******************************************************************
#ifndef NO_CXX_EXCEPTION
static Handle(Standard_Failure) RaisedError;
#endif
// ------------------------------------------------------------------
//
// ------------------------------------------------------------------
Standard_Failure::Standard_Failure ()
: myMessage(NULL)
{
}
// ------------------------------------------------------------------
// Create returns mutable Failure;
// ------------------------------------------------------------------
Standard_Failure::Standard_Failure (const Standard_CString AString)
: myMessage(NULL)
{
myMessage = allocate_message(AString);
}
Standard_Failure::Standard_Failure (const Standard_Failure& aFailure)
{
myMessage = copy_message(aFailure.myMessage);
}
void Standard_Failure::Destroy()
{
deallocate_message(myMessage);
}
void Standard_Failure::SetMessageString(const Standard_CString AString)
{
if ( AString == GetMessageString() ) return;
deallocate_message(myMessage);
myMessage = allocate_message(AString);
}
// ------------------------------------------------------------------
// Caught (myclass) returns mutable Failure raises NoSuchObject ;
// ------------------------------------------------------------------
Handle(Standard_Failure) Standard_Failure::Caught()
{
#ifdef NO_CXX_EXCEPTION
return Standard_ErrorHandler::LastCaughtError();
#else
return RaisedError ;
#endif
}
// ------------------------------------------------------------------
// Raise (myclass; aMessage: CString = "") ;
// ------------------------------------------------------------------
void Standard_Failure::Raise (const Standard_CString AString)
{
Handle(Standard_Failure) E = new Standard_Failure() ;
E->Reraise (AString) ;
}
// ------------------------------------------------------------------
// Raise(myclass; aReason: in out SStream) ;
// ------------------------------------------------------------------
void Standard_Failure::Raise (const Standard_SStream& AReason)
{
Handle(Standard_Failure) E = new Standard_Failure();
E->Reraise (AReason);
}
// ------------------------------------------------------------------
// Reraise (me: mutable; aMessage: CString) ;
// ------------------------------------------------------------------
void Standard_Failure::Reraise (const Standard_CString AString)
{
SetMessageString(AString);
Reraise();
}
void Standard_Failure::Reraise (const Standard_SStream& AReason)
{
#ifdef USE_STL_STREAM
SetMessageString(AReason.str().c_str());
#else
// Note: use dirty tricks -- unavoidable with old streams
((Standard_SStream&)AReason) << ends;
SetMessageString(((Standard_SStream&)AReason).str());
((Standard_SStream&)AReason).freeze (false);
#endif
Reraise();
}
void Standard_Failure::Reraise ()
{
#ifdef NO_CXX_EXCEPTION
Standard_ErrorHandler::Error(this) ;
Standard_ErrorHandler::Abort();
#else
RaisedError = this;
Throw();
#endif
}
void Standard_Failure::Jump() const
{
#if defined (NO_CXX_EXCEPTION) || defined (OCC_CONVERT_SIGNALS)
Standard_ErrorHandler::Error(this) ;
Standard_ErrorHandler::Abort();
#else
RaisedError = this;
Throw();
#endif
}
// ------------------------------------------------------------------
// Throw (me) is virtual ;
// ------------------------------------------------------------------
void Standard_Failure::Throw() const
{
#ifndef NO_CXX_EXCEPTION
throw *this;
#endif
}
// ------------------------------------------------------------------
// Print (me; s: in out OStream) returns OStream;
// ------------------------------------------------------------------
void Standard_Failure::Print (Standard_OStream& AStream) const
{
if(myMessage){
AStream << DynamicType() << ": " << GetMessageString();
}
else {
AStream << DynamicType();
}
}
Handle(Standard_Failure) Standard_Failure::NewInstance(const Standard_CString AString)
{
return new Standard_Failure(AString) ;
}
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