void Framework::update(){
OStringStream o;
o << "aho" << endl; //const char*
char ts[ 3 ];
ts[ 0 ] = 'O';
ts[ 1 ] = 'K';
ts[ 2 ] = '\0';
o << ts << endl; //char*
o << string( "baka" ) << endl; //string
o << RefString( "tonma" ) << endl; //RefString
o << 'a' << endl; //char
o << '\n'; //char ( new-line )
o << static_cast< char >( -74 ) << endl; //char (out of range )
o << static_cast< char >( 14 ) << endl; //char (out of range )
o << static_cast< unsigned char >( 99 ) << endl; //unsigned char
o << static_cast< short >( -9999 ) << endl; //short
o << static_cast< unsigned short >( 65534 ) << endl; //unsigned short
o << static_cast< int >( -2012345678 ) << endl; //int
o << static_cast< unsigned >( 4012345678 ) << endl; //unsigned
o.precision( 7 );
o << 50.00000000000 << endl;
o << 0.09999999999f << endl;
o << 0.0399999999f << endl;
o << 1.f << endl; //float ( 1 )
o << 1.5f << endl; //float ( 1 )
o << 1.75f << endl; //float ( 1 )
o << 152423.f << endl; //float ( 1 )
o << -123456789.f * 1000000.f << endl; //float (big)
o << -1.23456789f * 0.000000001f << endl; //float (small)
// o.precision( 15 );
o << -1.23456789f * 0.000000001f << endl; //float (small)
o << -134.56712839f << endl;
o << -0.056712839f << endl;
o << 0.0 << endl; //float +0
o << -0.0 << endl; //float -0
o << sqrtf( -1.f ) << endl; //float NaN
o << -1e30f * 1e30f << endl; //float +Inf
o << 1e-30f * 1e-30f << endl; //float -Denorm
o << -numeric_limits< float >::max() << endl; //float max
o << numeric_limits< float >::min() << endl; //float min
o << -123456789.0 * 1000000.0 << endl; //double (big)
o << -1.234567890 * 0.000000001 << endl; //double (small)
o << 0.0 << endl; //double +0
o << -0.0 << endl; //double -0
o << sqrt( -1.0 ) << endl; //double NaN
o << -1e300 * 1e300 << endl; //double +Inf
o << 1e-300 * 1e-300 << endl; //double -Denorm
o << -numeric_limits< double >::max() << endl; //double max
Array< char > out;
o.get( &out );
cout << &out[ 0 ] << endl;
cout << o << endl;
requestEnd();
}
Foam::string Foam::stringOps::getVariable
(
const word& name,
const dictionary& dict,
const bool allowEnvVars,
const bool allowEmpty
)
{
string value;
const entry* ePtr = dict.lookupScopedEntryPtr
(
name,
true,
false
);
if (ePtr)
{
OStringStream buf;
// Force floating point numbers to be printed with at least
// some decimal digits.
buf << fixed;
buf.precision(IOstream::defaultPrecision());
// fail for non-primitiveEntry
dynamicCast<const primitiveEntry>
(
*ePtr
).write(buf, true);
value = buf.str();
}
else if (allowEnvVars)
{
value = getEnv(name);
if (value.empty())
{
FatalIOErrorInFunction
(
dict
) << "Cannot find dictionary or environment variable "
<< name << exit(FatalIOError);
}
}
else
{
FatalIOErrorInFunction
(
dict
) << "Cannot find dictionary variable "
<< name << exit(FatalIOError);
}
return value;
}
Foam::string& Foam::stringOps::inplaceExpand
(
string& s,
const dictionary& dict,
const char sigil
)
{
string::size_type begVar = 0;
// Expand $VAR or ${VAR}
// Repeat until nothing more is found
while
(
(begVar = s.find(sigil, begVar)) != string::npos
&& begVar < s.size()-1
)
{
if (begVar == 0 || s[begVar-1] != '\\')
{
// Find end of first occurrence
string::size_type endVar = begVar;
string::size_type delim = 0;
if (s[begVar+1] == '{')
{
endVar = s.find('}', begVar);
delim = 1;
}
else
{
string::iterator iter = s.begin() + begVar + 1;
// more generous in accepting keywords than for env variables
while
(
iter != s.end()
&&
(
isalnum(*iter)
|| *iter == '.'
|| *iter == ':'
|| *iter == '_'
)
)
{
++iter;
++endVar;
}
}
if (endVar == string::npos)
{
// likely parsed '${...' without closing '}' - abort
break;
}
else if (endVar == begVar)
{
// parsed '${}' or $badChar - skip over
begVar = endVar + 1;
}
else
{
const word varName
(
s.substr
(
begVar + 1 + delim,
endVar - begVar - 2*delim
),
false
);
// lookup in the dictionary
const entry* ePtr = dict.lookupScopedEntryPtr
(
varName,
true,
false // wildcards disabled. See primitiveEntry
);
// if defined - copy its entries
if (ePtr)
{
OStringStream buf;
// Force floating point numbers to be printed with at least
// some decimal digits.
buf << fixed;
buf.precision(IOstream::defaultPrecision());
if (ePtr->isDict())
{
ePtr->dict().write(buf, false);
}
else
{
// fail for other types
dynamicCast<const primitiveEntry>
(
*ePtr
).write(buf, true);
}
s.std::string::replace
(
begVar,
endVar - begVar + 1,
buf.str()
);
begVar += buf.str().size();
}
else
{
// not defined - leave original string untouched
begVar = endVar + 1;
}
}
}
else
{
++begVar;
}
}
return s;
}
