bes Updated for version 3.20.13
VariableAggElement.cc
1
2// This file is part of the "NcML Module" project, a BES module designed
3// to allow NcML files to be used to be used as a wrapper to add
4// AIS to existing datasets of any format.
5//
6// Copyright (c) 2009 OPeNDAP, Inc.
7// Author: Michael Johnson <m.johnson@opendap.org>
8//
9// For more information, please also see the main website: http://opendap.org/
10//
11// This library is free software; you can redistribute it and/or
12// modify it under the terms of the GNU Lesser General Public
13// License as published by the Free Software Foundation; either
14// version 2.1 of the License, or (at your option) any later version.
15//
16// This library is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19// Lesser General Public License for more details.
20//
21// You should have received a copy of the GNU Lesser General Public
22// License along with this library; if not, write to the Free Software
23// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24//
25// Please see the files COPYING and COPYRIGHT for more information on the GLPL.
26//
27// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
29#include "VariableAggElement.h"
30#include "AggregationElement.h"
31#include "NCMLDebug.h"
32#include "NCMLParser.h"
33#include "NCMLUtil.h"
34
35namespace ncml_module {
36const string VariableAggElement::_sTypeName = "variableAgg";
37const vector<string> VariableAggElement::_sValidAttributes = getValidAttributes();
38
39VariableAggElement::VariableAggElement() :
40 RCObjectInterface(), NCMLElement(0), _name("")
41{
42}
43
44VariableAggElement::VariableAggElement(const VariableAggElement& proto) :
45 RCObjectInterface(), NCMLElement(proto), _name(proto._name)
46{
47}
48
49VariableAggElement::~VariableAggElement()
50{
51 _name.clear();
52}
53
54const string&
55VariableAggElement::getTypeName() const
56{
57 return _sTypeName;
58}
59
61VariableAggElement::clone() const
62{
63 return new VariableAggElement(*this);
64}
65
66void VariableAggElement::setAttributes(const XMLAttributeMap& attrs)
67{
68 validateAttributes(attrs, _sValidAttributes);
69 _name = attrs.getValueForLocalNameOrDefault("name", "");
70}
71
72void VariableAggElement::handleBegin()
73{
74 VALID_PTR(_parser);
75
76 // Make sure the name is not empty or this is uselss.
77 if (_name.empty()) {
78 THROW_NCML_PARSE_ERROR(_parser->getParseLineNumber(),
79 "Cannot have variableAgg@name empty! Scope=" + _parser->getScopeString());
80 }
81
82 // Also make sure we are the direct child of an aggregation or it's an error as well!
83 if (!_parser->isScopeAggregation()) {
84 THROW_NCML_PARSE_ERROR(_parser->getParseLineNumber(),
85 "Got a variableAgg element not as a direct child of an aggregation! elt=" + toString() + " at scope="
86 + _parser->getScopeString());
87 }
88
89 AggregationElement& parentAgg = getParentAggregation();
90 parentAgg.addAggregationVariable(_name);
91 parentAgg.setVariableAggElement(); // let the agg know we're adding to it.
92}
93
94void VariableAggElement::handleEnd()
95{
96}
97
98string VariableAggElement::toString() const
99{
100 return (string("<") + _sTypeName + printAttributeIfNotEmpty("name", _name) + "/>");
101}
102
104VariableAggElement::getParentAggregation() const
105{
106 AggregationElement* pAgg = dynamic_cast<AggregationElement*>(_parser->getCurrentElement());
107 NCML_ASSERT_MSG(pAgg, "VariableAggElement::getParentAggregation(): "
108 "Expected current top of stack was AggregationElement*, but it wasn't! Logic error!");
109 return *pAgg;
110}
111
113
114vector<string> VariableAggElement::getValidAttributes()
115{
116 vector<string> validAttrs;
117 validAttrs.reserve(1);
118 validAttrs.push_back("name");
119 return validAttrs;
120}
121}
void addAggregationVariable(const string &name)
Element for the <variableAgg> element child of an <aggregation>.
const std::string getValueForLocalNameOrDefault(const std::string &localname, const std::string &defVal="") const
Definition: XMLHelpers.cc:181
NcML Parser for adding/modifying/removing metadata (attributes) to existing local datasets using NcML...