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LSST Data Management Base Package
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KeyBase.cc
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1// -*- lsst-c++ -*-
2
3#include "boost/preprocessor/seq/for_each.hpp"
4#include "boost/preprocessor/tuple/to_seq.hpp"
5
10
11namespace lsst {
12namespace afw {
13namespace table {
14
18
19template <typename U>
21 Key<Array<U>> const *self = static_cast<Key<Array<U>> const *>(this);
22 std::vector<U> result(self->getSize());
23 typename Key<Array<U>>::ConstReference array = record[*self];
24 std::copy(array.begin(), array.end(), result.begin());
25 return result;
26}
27
28template <typename U>
29void KeyBase<Array<U>>::assignVector(BaseRecord &record, std::vector<U> const &values) const {
30 Key<Array<U>> const *self = static_cast<Key<Array<U>> const *>(this);
31 std::copy(values.begin(), values.end(), record[*self].begin());
32}
33
34template <typename U>
35Key<U> KeyBase<Array<U>>::operator[](std::size_t i) const {
36 Key<Array<U>> const *self = static_cast<Key<Array<U>> const *>(this);
37 if (self->isVariableLength()) {
39 "Cannot get Keys to elements of variable-length arrays.");
40 }
41 if (i >= self->getSize()) {
42 throw LSST_EXCEPT(lsst::pex::exceptions::LengthError, "Array key index out of range.");
43 }
44 return detail::Access::extractElement(*this, i);
45}
46
47template <typename U>
49 Key<Array<U>> const *self = static_cast<Key<Array<U>> const *>(this);
50 if (self->isVariableLength()) {
52 "Cannot get Keys to slices of variable-length arrays.");
53 }
54 if (begin > self->getSize()) {
55 throw LSST_EXCEPT(lsst::pex::exceptions::LengthError, "Array key begin index out of range.");
56 }
57 if (end > self->getSize()) {
58 throw LSST_EXCEPT(lsst::pex::exceptions::LengthError, "Array key end index out of range.");
59 }
60 return detail::Access::extractRange(*this, begin, end);
61}
62
63//----- Explicit instantiation ------------------------------------------------------------------------------
64
65#define INSTANTIATE_KEY(r, data, elem) template class KeyBase<elem>;
66
69} // namespace table
70} // namespace afw
71} // namespace lsst
#define LSST_EXCEPT(type,...)
Create an exception with a given type.
Definition Exception.h:48
#define INSTANTIATE_KEY(r, data, elem)
Definition KeyBase.cc:65
T begin(T... args)
Base class for all records.
Definition BaseRecord.h:31
Key< Array< U > > slice(std::size_t begin, std::size_t end) const
Return a key for a range of elements.
Definition KeyBase.cc:48
void assignVector(BaseRecord &record, std::vector< U > const &values) const
Definition KeyBase.cc:29
std::vector< U > extractVector(BaseRecord const &record) const
Definition KeyBase.cc:20
A base class for Key that allows subfield keys to be extracted for some field types.
Definition KeyBase.h:20
A class used as a handle to a particular field in a table.
Definition Key.h:53
static Key< typename Key< T >::Element > extractElement(KeyBase< T > const &kb, std::size_t n)
Definition Access.h:35
static Key< Array< T > > extractRange(KeyBase< Array< T > > const &kb, std::size_t begin, std::size_t end)
Definition Access.h:51
Reports attempts to exceed implementation-defined length limits for some classes.
Definition Runtime.h:76
Reports errors in the logical structure of the program.
Definition Runtime.h:46
T copy(T... args)
T end(T... args)
BOOST_PP_SEQ_FOR_EACH(INSTANTIATE_COLUMNVIEW_SCALAR, _, BOOST_PP_TUPLE_TO_SEQ(AFW_TABLE_SCALAR_FIELD_TYPE_N, AFW_TABLE_SCALAR_FIELD_TYPE_TUPLE)) BOOST_PP_SEQ_FOR_EACH(INSTANTIATE_COLUMNVIEW_ARRAY
#define AFW_TABLE_FIELD_TYPE_N
Definition types.h:38
#define AFW_TABLE_FIELD_TYPE_TUPLE
Definition types.h:43