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// -*- mode: c++; c-basic-offset:4 -*-
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// This file is part of libdap, A C++ implementation of the OPeNDAP Data
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// Access Protocol.
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
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#ifndef D4GROUP_H_
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#define D4GROUP_H_
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#include <string>
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#include "Constructor.h"
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#include "D4Dimensions.h"
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#include "D4EnumDefs.h"
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class Crc32;
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namespace libdap {
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class BaseType;
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class Array;
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/** A DAP4 Group object. A Group is-a Constructor, so it inherits a set of
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* BaseType objects and an attribute table, along with methods to search for
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* variables by name where dots (.) in a fully qualified name serve as
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* separators.
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*/
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class D4Group :public Constructor {
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private:
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// Note that because Constructor is a BaseType, this class inherits
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// both a back pointer to its parent, an AttrTable and, directly from the
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// Constructor class, a vector of BaseTypes.
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// This instance of D4Dimensions holds the Group's definitions; the same
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// class is used by Array to hold the actual dimensions for a variable.
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D4Dimensions *d_dims;
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// This holds the Group's enumeration definitions; a different class is
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// used for the Enumeration type
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D4EnumDefs *d_enum_defs;
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// This is a pointer so that the factory class(es) that return pointers
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// work as expected when making Groups.
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vector<D4Group*> d_groups;
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BaseType *m_find_map_source_helper(const string &name);
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protected:
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void m_duplicate(const D4Group &g);
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public:
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typedef vector<D4Group*>::iterator groupsIter;
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typedef vector<D4Group*>::const_iterator groupsCIter;
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D4Group(const string &name);
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D4Group(const string &name, const string &dataset);
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D4Group(const D4Group &rhs;;
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virtual ~D4Group();
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D4Group &operator=(const D4Group &rhs;;
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// This method returned a D4Group * previously. jhrg 11/17/16
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virtual BaseType *ptr_duplicate();
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/// Get the dimensions defined for this Group
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D4Dimensions *dims() {
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// If not built yet, make one and set this as parent.
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if (!d_dims) d_dims = new D4Dimensions(this);
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return d_dims;
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}
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virtual std::string FQN() const;
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D4Dimension *find_dim(const string &path);
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Array *find_map_source(const string &path);
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D4EnumDef *find_enum_def(const string &path);
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/// Get the enumerations defined for this Group
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D4EnumDefs *enum_defs() {
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if (!d_enum_defs) {
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d_enum_defs = new D4EnumDefs;
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d_enum_defs->set_parent(this);
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}
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return d_enum_defs;
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}
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BaseType *find_first_var_that_uses_dimension(D4Dimension *dim);
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BaseType *find_first_var_that_uses_enumeration(D4EnumDef *enum_def);
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BaseType *find_var(const string &name);
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/// Get an iterator to the start of the values
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groupsIter grp_begin() { return d_groups.begin(); }
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/// Get an iterator to the end of the values
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groupsIter grp_end() { return d_groups.end(); }
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void add_group(const D4Group *g) {
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add_group_nocopy(new D4Group(*g));
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}
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void add_group_nocopy(D4Group *g) {
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g->set_parent(this);
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d_groups.push_back(g);
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}
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void insert_group_nocopy(D4Group *g, groupsIter i) {
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g->set_parent(this);
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d_groups.insert(i, g);
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}
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D4Group *find_child_grp(const string &grp_name);
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long request_size(bool constrained);
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virtual void set_send_p(bool state);
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virtual void set_read_p(bool state);
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// DAP4
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virtual void intern_data(/*Crc32 &checksum, DMR &dmr, ConstraintEvaluator &eval*/);
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virtual void serialize(D4StreamMarshaller &m, DMR &dmr, /*ConstraintEvaluator &eval,*/ bool filter = false);
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virtual void deserialize(D4StreamUnMarshaller &um, DMR &dmr);
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void print_dap4(XMLWriter &xml, bool constrained = false);
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virtual std::vector<BaseType *> *transform_to_dap2(AttrTable *parent_attr_table);
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virtual std::vector<BaseType *> *transform_to_dap2(AttrTable *parent_attr_table, bool use_name_prefix);
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};
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} /* namespace libdap */
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#endif /* D4GROUP_H_ */
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