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// Astrophysics Science Division,
// NASA/ Goddard Space Flight Center
// HEASARC
// http://heasarc.gsfc.nasa.gov
// e-mail: ccfits@legacy.gsfc.nasa.gov
//
// Original author: Ben Dorman
#include <iosfwd>
// FitsError
#include "FitsError.h"
// HDU
#include "HDU.h"
// Keyword
#include "Keyword.h"
// FITS
#include "FITS.h"
#include "KeyData.h"
namespace CCfits {
// Class CCfits::Keyword::WrongKeywordValueType
Keyword::WrongKeywordValueType::WrongKeywordValueType (const String& diag, bool silent)
: FitsException("Error: attempt to read keyword into variable of incorrect type",silent)
{
addToMessage(string("\nKeyname: ") + diag);
if ( FITS::verboseMode() || !silent) std::cerr << "\nKeyname: " << diag << "\n";
}
// Class CCfits::Keyword
Keyword::Keyword(const Keyword &right)
: m_keytype(right.m_keytype),
m_parent(0), // Can only assign parent when added to an HDU.
m_comment(right.m_comment),
m_name(right.m_name)
{
}
Keyword::Keyword (const String &keyname, ValueType keytype, HDU* p, const String &comment)
: m_keytype(keytype),
m_parent(p),
m_comment(comment),
m_name(keyname)
{
}
Keyword::~Keyword()
{
}
Keyword & Keyword::operator=(const Keyword &right)
{
if (this != &right) copy(right);
return *this;
}
bool Keyword::operator==(const Keyword &right) const
{
return compare(right);
}
bool Keyword::operator!=(const Keyword &right) const
{
return !compare(right);
}
void Keyword::copy (const Keyword& right)
{
m_name = right.m_name;
m_comment = right.m_comment;
m_keytype = right.m_keytype;
// Can only assign parent when added to an HDU. Do not change
// m_parent during an assign.
}
bool Keyword::compare (const Keyword &right) const
{
if (m_name != right.m_name) return false;
if (m_keytype != right.m_keytype) return false;
if (m_comment != right.m_comment) return false;
// parent not relevant to compare.
//if (m_parent != right.m_parent) return false;
return true;
}
void Keyword::write ()
{
// Just perform parent pointer checking in here. KeyData<T>
// subclass will actually handle the writing.
if (!m_parent)
{
bool silent=true;
throw FitsException("***CCfits Warning: Keyword must be added to an HDU before it can be written.",silent);
}
m_parent->makeThisCurrent();
}
fitsfile* Keyword::fitsPointer () const
{
fitsfile* fPtr = 0;
if (m_parent)
fPtr = m_parent->fitsPointer();
return fPtr;
}
// Additional Declarations
} // namespace CCfits
namespace CCfits
{
#ifndef SPEC_TEMPLATE_IMP_DEFECT
#ifndef SPEC_TEMPLATE_DECL_DEFECT
template<>
float& Keyword::value(float& val) const
{
double dval=.0;
val = static_cast<float>(value(dval));
return val;
}
template<>
double& Keyword::value(double& val) const
{
switch (m_keytype)
{
case Tint:
{
const KeyData<int>& thisKey = static_cast<const KeyData<int>&>(*this);
val = thisKey.keyval();
}
break;
case Tfloat:
{
const KeyData<float>& thisKey = static_cast<const KeyData<float>&>(*this);
val = thisKey.keyval();
}
break;
case Tdouble:
{
// Note: if val is of type float some precision will be lost here,
// but allow anyway. Presumably the user doesn't mind or they
// wouldn't be using single precision.
const KeyData<double>& thisKey = static_cast<const KeyData<double>&>(*this);
val = thisKey.keyval();
}
break;
case Tstring:
{
// Allow only if string can be converted to an integer.
const KeyData<String>& thisKey = static_cast<const KeyData<String>&>(*this);
std::istringstream testStream(thisKey.keyval());
int stringInt = 0;
if (!(testStream >> stringInt) || !testStream.eof())
{
throw Keyword::WrongKeywordValueType(name());
}
val = stringInt;
}
break;
default:
throw Keyword::WrongKeywordValueType(name());
break;
}
return val;
}
template <>
int& Keyword::value(int& val) const
{
if (m_keytype == Tstring)
{
// Allow only if string can be converted to an integer.
const KeyData<String>& thisKey = static_cast<const KeyData<String>&>(*this);
std::istringstream testStream(thisKey.keyval());
int stringInt = 0;
if (!(testStream >> stringInt) || !testStream.eof())
{
throw Keyword::WrongKeywordValueType(name());
}
val = stringInt;
}
else if (m_keytype == Tint)
{
const KeyData<int>& thisKey = static_cast<const KeyData<int>&>(*this);
val = thisKey.keyval();
}
else
{
throw Keyword::WrongKeywordValueType(name());
}
return val;
}
template <>
String& Keyword::value(String& val) const
{
switch (m_keytype)
{
case Tint:
{
const KeyData<int>& thisKey = static_cast<const KeyData<int>&>(*this);
std::ostringstream oss;
oss << thisKey.keyval();
val = oss.str();
}
break;
case Tfloat:
{
const KeyData<float>& thisKey = static_cast<const KeyData<float>&>(*this);
std::ostringstream oss;
oss << thisKey.keyval();
val = oss.str();
}
break;
case Tdouble:
{
const KeyData<double>& thisKey = static_cast<const KeyData<double>&>(*this);
std::ostringstream oss;
oss << thisKey.keyval();
val = oss.str();
}
break;
case Tstring:
{
const KeyData<String>& thisKey = static_cast<const KeyData<String>&>(*this);
val = thisKey.keyval();
}
break;
default:
throw Keyword::WrongKeywordValueType(name());
}
return val;
}
template <>
void Keyword::setValue(const float& newValue)
{
if (m_keytype == Tfloat)
{
KeyData<float>& thisKey = static_cast<KeyData<float>&>(*this);
thisKey.keyval(newValue);
thisKey.write();
}
else if (m_keytype == Tdouble)
{
KeyData<double>& thisKey = static_cast<KeyData<double>&>(*this);
thisKey.keyval(static_cast<double>(newValue));
thisKey.write();
}
else
{
throw Keyword::WrongKeywordValueType(name());
}
}
template <>
void Keyword::setValue(const double& newValue)
{
if (m_keytype == Tdouble)
{
KeyData<double>& thisKey = static_cast<KeyData<double>&>(*this);
thisKey.keyval(newValue);
thisKey.write();
}
else if (m_keytype == Tfloat)
{
// This will lose precision but allow it anyway.
KeyData<float>& thisKey = static_cast<KeyData<float>&>(*this);
thisKey.keyval(static_cast<float>(newValue));
thisKey.write();
}
else
{
throw Keyword::WrongKeywordValueType(name());
}
}
template <>
void Keyword::setValue(const int& newValue)
{
if (m_keytype == Tint)
{
KeyData<int>& thisKey = static_cast<KeyData<int>&>(*this);
thisKey.keyval(newValue);
thisKey.write();
}
else if (m_keytype == Tfloat)
{
KeyData<float>& thisKey = static_cast<KeyData<float>&>(*this);
thisKey.keyval(static_cast<float>(newValue));
thisKey.write();
}
else if (m_keytype == Tdouble)
{
KeyData<double>& thisKey = static_cast<KeyData<double>&>(*this);
thisKey.keyval(static_cast<double>(newValue));
thisKey.write();
}
else if (m_keytype == Tstring)
{
KeyData<String>& thisKey = static_cast<KeyData<String>&>(*this);
std::ostringstream oss;
oss << newValue;
thisKey.keyval(oss.str());
thisKey.write();
}
else
{
throw Keyword::WrongKeywordValueType(name());
}
}
#endif
#endif
}
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