Foam::Istream& Foam::regIOobject::readStream()
{
if (IFstream::debug)
{
Info<< "regIOobject::readStream() : "
<< "reading object " << name()
<< " from file " << objectPath()
<< endl;
}
if (readOpt() == NO_READ)
{
FatalErrorIn("regIOobject::readStream()")
<< "NO_READ specified for read-constructor of object " << name()
<< " of class " << headerClassName()
<< abort(FatalError);
}
// Construct object stream and read header if not already constructed
if (!isPtr_)
{
if (!(isPtr_ = objectStream()))
{
FatalIOError
(
"regIOobject::readStream()",
__FILE__,
__LINE__,
objectPath(),
0
) << "cannot open file"
<< exit(FatalIOError);
}
else if (!readHeader(*isPtr_))
{
FatalIOErrorIn("regIOobject::readStream()", *isPtr_)
<< "problem while reading header for object " << name()
<< exit(FatalIOError);
}
}
if (!lastModified_)
{
lastModified_ = lastModified(filePath());
}
return *isPtr_;
}
bool Foam::IOobject::headerOk()
{
bool ok = true;
Istream* isPtr = objectStream();
// If the stream has failed return
if (!isPtr)
{
if (objectRegistry::debug)
{
Info
<< "IOobject::headerOk() : "
<< "file " << objectPath() << " could not be opened"
<< endl;
}
ok = false;
}
else
{
// Try reading header
if (!readHeader(*isPtr))
{
if (objectRegistry::debug)
{
IOWarningIn("IOobject::headerOk()", (*isPtr))
<< "failed to read header of file " << objectPath()
<< endl;
}
ok = false;
}
}
delete isPtr;
return ok;
}
Foam::Istream* Foam::IOobject::objectStream()
{
return objectStream(filePath());
}
