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LSST Data Management Base Package
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Table.h
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1/*
2 * LSST Data Management System
3 * Copyright 2017 AURA/LSST.
4 *
5 * This product includes software developed by the
6 * LSST Project (http://www.lsst.org/).
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the LSST License Statement and
19 * the GNU General Public License along with this program. If not,
20 * see <https://www.lsstcorp.org/LegalNotices/>.
21 */
22#ifndef ASTSHIM_TABLE_H
23#define ASTSHIM_TABLE_H
24
25#include <complex>
26#include <string>
27#include <vector>
28
29#include "astshim/base.h"
30#include "astshim/Object.h"
31#include "astshim/KeyMap.h"
32
33namespace ast {
34
35class Table : public KeyMap {
36 friend class Object;
37
38public:
39 explicit Table(std::string const &options = "")
40 : KeyMap(reinterpret_cast<AstKeyMap *>(astTable("%s", options.c_str()))) {
41 assertOK();;
42 }
43
44 virtual ~Table(){};
45
46 Table(Table const &) = default;
47 Table(Table &&) = default;
48 Table &operator=(Table const &) = delete;
49 Table &operator=(Table &&) = default;
50
51 std::string columnName(int index) const {
52 std::string name = astColumnName(getRawPtr(), index);
53 assertOK();
54 return name;
55 }
56
57 DataType columnType(std::string const &column) const {
58 int retVal = Object::getI("ColumnType(" + column + ")");
59 assertOK();
60 return static_cast<DataType>(retVal);
61 }
62
63 int columnLength(std::string const &column) const {
64 int retVal = Object::getI("ColumnLength(" + column + ")");
65 assertOK();
66 return retVal;
67 }
68
69 int columnLenC(std::string const &column) const {
70 int retVal = Object::getI("ColumnLenC(" + column + ")");
71 assertOK();
72 return retVal;
73 }
74
75 int columnNdim(std::string const &column) const {
76 int retVal = Object::getI("ColumnNdim(" + column + ")");
77 assertOK();
78 return retVal;
79 }
80
81 std::string columnUnit(std::string const &column) const {
82 std::string retVal = Object::getC("ColumnUnit(" + column + ")");
83 assertOK();
84 return retVal;
85 }
86
88 int const mxdim = columnNdim(column);
89 std::vector<int> dims(mxdim);
90 if (mxdim > 0) {
91 int ndim;
92 astColumnShape(getRawPtr(), column.c_str(), mxdim, &ndim, dims.data());
93 }
94 assertOK();
95 return dims;
96 }
97
101 int getNColumn() const { return Object::getI("NColumn"); }
102
106 int getNRow() const { return Object::getI("NRow"); }
107
108protected:
109
113 explicit Table(AstTable *rawTable) : KeyMap(reinterpret_cast<AstKeyMap *>(rawTable)) {
114 if (!astIsATable(getRawPtr())) {
116 os << "this is a " << getClassName() << ", which is not a Table";
117 throw std::invalid_argument(os.str());
118 }
119 assertOK();
120 }
121
122};
123
124} // namespace ast
125
126#endif
table::Key< std::string > name
Definition Amplifier.cc:116
std::ostream * os
Definition Schema.cc:557
T c_str(T... args)
KeyMap is used to store a set of values with associated keys which identify the values.
Definition KeyMap.h:83
Abstract base class for all AST objects.
Definition Object.h:51
std::string const getC(std::string const &attrib) const
Get the value of an attribute as a string.
Definition Object.h:361
std::string getClassName() const
Get Class: the name of the class (e.g.
Definition Object.h:139
int getI(std::string const &attrib) const
Get the value of an attribute as an int.
Definition Object.cc:178
AstObject const * getRawPtr() const
Get the raw AST pointer.
Definition Object.h:292
Table(AstTable *rawTable)
Construct a Table from a raw AstTable.
Definition Table.h:113
Table & operator=(Table const &)=delete
std::vector< int > columnShape(std::string const &column)
Definition Table.h:87
DataType columnType(std::string const &column) const
Definition Table.h:57
Table & operator=(Table &&)=default
virtual ~Table()
Definition Table.h:44
int columnNdim(std::string const &column) const
Definition Table.h:75
int columnLenC(std::string const &column) const
Definition Table.h:69
std::string columnName(int index) const
Definition Table.h:51
int columnLength(std::string const &column) const
Definition Table.h:63
std::string columnUnit(std::string const &column) const
Definition Table.h:81
Table(Table &&)=default
int getNRow() const
Get NRow: The number of rows currently in the Table.
Definition Table.h:106
int getNColumn() const
Get NColumn: The number of columns currently in the Table.
Definition Table.h:101
Table(std::string const &options="")
Definition Table.h:39
Table(Table const &)=default
T data(T... args)
AST wrapper classes and functions.
DataType
Data types held by a KeyMap.
Definition base.h:62
void assertOK(AstObject *rawPtr1=nullptr, AstObject *rawPtr2=nullptr)
Throw std::runtime_error if AST's state is bad.
Definition base.cc:49
table::Key< int > ndim
Definition PsfexPsf.cc:329