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LSST Data Management Base Package
Static Public Member Functions | List of all members
lsst::afw::table::detail::Access Class Referencefinal

#include <Access.h>

Static Public Member Functions

template<typename T >
static Key< typename Key< T >::Element > extractElement (KeyBase< T > const &kb, std::size_t n)
 
template<typename T >
static Key< Array< T > > extractRange (KeyBase< Array< T > > const &kb, std::size_t begin, std::size_t end)
 
template<typename T >
static Key< T > makeKey (std::size_t offset)
 
template<typename T >
static Key< T > makeKey (Field< T > const &field, std::size_t offset)
 
static Key< Flag > makeKey (std::size_t offset, std::size_t bit)
 
static Key< std::string > makeKeyString (std::size_t offset, std::size_t size)
 
template<typename T >
static Key< Array< T > > makeKeyArray (std::size_t offset, std::size_t size)
 
static void padSchema (Schema &schema, std::size_t bytes)
 

Detailed Description

Definition at line 31 of file Access.h.

Member Function Documentation

◆ extractElement()

template<typename T >
static Key<typename Key<T>::Element> lsst::afw::table::detail::Access::extractElement ( KeyBase< T > const &  kb,
std::size_t  n 
)
inlinestatic

Definition at line 35 of file Access.h.

35  {
36  if (!static_cast<Key<T> const &>(kb).isValid()) {
37  throw LSST_EXCEPT(
38  pex::exceptions::LogicError,
39  (boost::format(
40  "Cannot extract subfield key from invalid key of type '%s' "
41  "(most often this is caused by failing to setup centroid or shape slots)") %
42  Key<T>::getTypeString())
43  .str());
44  }
45  return Key<typename Key<T>::Element>(static_cast<Key<T> const &>(kb).getOffset() +
46  n * sizeof(typename Key<T>::Element));
47  }
LSST_EXCEPT
#define LSST_EXCEPT(type,...)
Create an exception with a given type.
Definition: Exception.h:48
isValid
bool isValid
Definition: fits.cc:399
lsst.pex.config.history.format
def format(config, name=None, writeSourceLine=True, prefix="", verbose=False)
Definition: history.py:174
lsst::afw::table::FieldBase::getTypeString
static std::string getTypeString()
Return a string description of the field type.
Definition: FieldBase.cc:56
lsst::afw::table::FieldBase::Element
T Element
the type of subfields (the same as the type itself for scalars)
Definition: FieldBase.h:45

◆ extractRange()

template<typename T >
static Key<Array<T> > lsst::afw::table::detail::Access::extractRange ( KeyBase< Array< T > > const &  kb,
std::size_t  begin,
std::size_t  end 
)
inlinestatic

Definition at line 51 of file Access.h.

51  {
52  if (!static_cast<Key<Array<T> > const &>(kb).isValid()) {
53  throw LSST_EXCEPT(pex::exceptions::LogicError,
54  (boost::format("Cannot extract subfield key from invalid key of type '%s' ") %
55  Key<T>::getTypeString())
56  .str());
57  }
58  return Key<Array<T> >(static_cast<Key<Array<T> > const &>(kb).getOffset() +
59  begin * sizeof(typename Key<T>::Element),
60  end - begin);
61  }
end
int end
Definition: BoundedField.cc:105
std::begin
T begin(T... args)

◆ makeKey() [1/3]

template<typename T >
static Key<T> lsst::afw::table::detail::Access::makeKey ( Field< T > const &  field,
std::size_t  offset 
)
inlinestatic

Definition at line 71 of file Access.h.

71  {
72  return Key<T>(offset, field);
73  }
field
table::Key< int > field
Definition: ApCorrMap.cc:77

◆ makeKey() [2/3]

template<typename T >
static Key<T> lsst::afw::table::detail::Access::makeKey ( std::size_t  offset)
inlinestatic

Definition at line 65 of file Access.h.

65  {
66  return Key<T>(offset);
67  }

◆ makeKey() [3/3]

static Key<Flag> lsst::afw::table::detail::Access::makeKey ( std::size_t  offset,
std::size_t  bit 
)
inlinestatic

Definition at line 76 of file Access.h.

76 { return Key<Flag>(offset, bit); }

◆ makeKeyArray()

template<typename T >
static Key<Array<T> > lsst::afw::table::detail::Access::makeKeyArray ( std::size_t  offset,
std::size_t  size 
)
inlinestatic

Definition at line 83 of file Access.h.

83  {
84  return Key<Array<T>>(offset, size);
85  }

◆ makeKeyString()

static Key<std::string> lsst::afw::table::detail::Access::makeKeyString ( std::size_t  offset,
std::size_t  size 
)
inlinestatic

Definition at line 79 of file Access.h.

79 { return Key<std::string>(offset, size); }

◆ padSchema()

static void lsst::afw::table::detail::Access::padSchema ( Schema &  schema,
std::size_t  bytes 
)
inlinestatic

Definition at line 88 of file Access.h.

88  {
89  schema._edit();
90  schema._impl->_recordSize += bytes;
91  }
schema
table::Schema schema
Definition: python.h:134
bytes
table::Key< table::Array< std::uint8_t > > bytes
Definition: python.h:135
The documentation for this class was generated from the following file:
Generated on Fri Nov 26 2021 10:16:17 for LSST Applications by doxygen 1.9.1