1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
//# SubTabDesc.cc: Description of columns containing tables
//# Copyright (C) 1994,1995,1996,1997,2001
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
#include <casacore/tables/Tables/SubTabDesc.h>
#include <casacore/tables/Tables/TableDesc.h>
#include <casacore/tables/Tables/TableAttr.h>
#include <casacore/casa/Utilities/DataType.h>
#include <casacore/tables/Tables/TableError.h>
#include <casacore/casa/IO/AipsIO.h>
#include <casacore/casa/iostream.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
SubTableDesc::SubTableDesc (const String& name, const String& comment,
const String& descname, int opt)
: BaseColumnDesc(name, comment, "", "", TpTable, "", opt, 1, IPosition(),
False, False, True),
tabDescPtr_p (0),
tabDescTyp_p (descname),
byName_p (True),
allocSelf_p (True),
shallowCopy_p (False)
{ readTableDesc(); }
SubTableDesc::SubTableDesc (const String& name, const String& comment,
const TableDesc& desc, int opt)
: BaseColumnDesc(name, comment, "", "", TpTable, "", opt, 1, IPosition(),
False, False, True),
tabDescPtr_p (new TableDesc(desc, "", "", TableDesc::Scratch)),
tabDescTyp_p (desc.getType()),
byName_p (False),
allocSelf_p (True),
shallowCopy_p (False)
{}
SubTableDesc::SubTableDesc (const String& name, const String& comment,
TableDesc* descptr, int opt)
: BaseColumnDesc(name, comment, "", "", TpTable, "", opt, 1, IPosition(),
False, False, True),
tabDescPtr_p (descptr),
tabDescTyp_p (descptr->getType()),
byName_p (False),
allocSelf_p (False),
shallowCopy_p (True)
{}
SubTableDesc::SubTableDesc (const SubTableDesc& that)
: BaseColumnDesc(that),
tabDescPtr_p (0),
tabDescTyp_p (""),
allocSelf_p (False)
{ operator= (that); }
//# Make a new object.
BaseColumnDesc* SubTableDesc::makeDesc (const String&)
{
BaseColumnDesc* ptr = new SubTableDesc("", "", TableDesc());
return ptr;
}
SubTableDesc::~SubTableDesc()
{
if (allocSelf_p) {
delete tabDescPtr_p;
}
}
SubTableDesc& SubTableDesc::operator= (const SubTableDesc& that)
{
BaseColumnDesc::operator= (that);
if (allocSelf_p) {
delete tabDescPtr_p;
}
tabDescPtr_p = 0;
tabDescTyp_p = that.tabDescTyp_p;
byName_p = that.byName_p;
allocSelf_p = True;
shallowCopy_p = that.shallowCopy_p;
if (shallowCopy_p) {
tabDescPtr_p = that.tabDescPtr_p;
allocSelf_p = False;
}else if (byName_p) {
readTableDesc();
}else if (that.tabDescPtr_p != 0) {
tabDescPtr_p = new TableDesc (*that.tabDescPtr_p,
"", "", TableDesc::Scratch);
}
return *this;
}
//# Clone this column description to another.
BaseColumnDesc* SubTableDesc::clone() const
{
SubTableDesc* ptr = new SubTableDesc(*this);
return ptr;
}
//# Return the class name.
String SubTableDesc::className() const
{ return "SubTableDesc"; }
//# Put the object.
//# The data is read by the ctor taking AipsIO.
//# It was felt that putstart takes too much space, so therefore
//# the version is put "manually".
void SubTableDesc::putDesc (AipsIO& ios) const
{
ios << (uInt)1; // class version 1
ios << tabDescTyp_p;
ios << byName_p;
if (!byName_p) {
tabDescPtr_p->putFile (ios, TableAttr());
}
}
void SubTableDesc::getDesc (AipsIO& ios)
{
uInt version;
ios >> version;
ios >> tabDescTyp_p;
ios >> byName_p;
//# If referenced by name, read the table description.
//# Otherwise get it from the file itself.
if (allocSelf_p) {
delete tabDescPtr_p;
}
tabDescPtr_p = 0;
if (byName_p) {
readTableDesc();
}else{
tabDescPtr_p = new TableDesc;
tabDescPtr_p->getFile (ios, TableAttr()); // get nested table desc.
}
}
//# Get the table description.
//# Throw exception if not there.
TableDesc* SubTableDesc::tableDesc()
{
if (tabDescPtr_p == 0) {
throw (TableNoFile("desc. " + tabDescTyp_p));
}
return tabDescPtr_p;
}
//# Reread the table description if referenced by name.
Bool SubTableDesc::readTableDesc()
{
Bool success = True;
if (byName_p) {
if (allocSelf_p) {
delete tabDescPtr_p;
}
tabDescPtr_p = 0;
if (TableDesc::isReadable (tabDescTyp_p)) {
tabDescPtr_p = new TableDesc(tabDescTyp_p);
}else{
success = False;
}
}
return success;
}
//# Once the column is added, a deep copy has to be made.
void SubTableDesc::handleAdd (ColumnDescSet&)
{ shallowCopy_p = False; }
//# Show the column.
void SubTableDesc::show (ostream& os) const
{
os << " Name=" << name();
os << " Subtable type=" << tabDescTyp_p;
if (byName_p) {
os << " (by name)";
}else{
if (!allocSelf_p) {
os << " (directly)";
}
}
os << endl;
os << " Comment = " << comment() << endl;
}
PlainColumn* SubTableDesc::makeColumn (ColumnSet*) const
{ return 0; }
} //# NAMESPACE CASACORE - END
|
