D4Maps.h
// -*- mode: c++; c-basic-offset:4 -*-
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
// Copyright (c) 2013 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
#ifndef D4MAPS_H_
#define D4MAPS_H_
#include <string>
#include <vector>
#include "Array.h"
using namespace std;
namespace libdap {
class Array;
class XMLWriter;
class D4Map {
std::string d_name;
std::string d_array_path;
Array *d_array = nullptr; // the actual map data; cached weak pointer
public:
D4Map() = default;
D4Map(std::string name, Array *array)
: d_name(std::move(name)), d_array(array) { }
D4Map(std::string name, Array *array, BaseType * /*parent*/)
: d_name(std::move(name)), d_array(array) { }
D4Map(std::string name, std::string array)
: d_name(std::move(name)), d_array_path(std::move(array)) { }
virtual ~D4Map() = default;
const string& name() const { return d_name; }
void set_name(const string& name) { d_name = name; }
const std::string &get_array_path() const { return d_array_path; }
void set_array_path(const std::string &array) { d_array_path = array; }
Array* array(D4Group *root);
Array* array() const { return d_array; }
void set_array(Array *array) {
d_array = array;
d_array_path = array->FQN();
}
virtual void print_dap4(XMLWriter &xml);
};
class D4Maps {
public:
typedef vector<D4Map*>::iterator D4MapsIter;
typedef vector<D4Map*>::const_iterator D4MapsCIter;
private:
vector<D4Map*> d_maps;
const Array *d_parent; // Array these Maps belong to; weak pointer
void m_duplicate(const D4Maps &maps, const Array *parent) {
d_parent = parent;
d_maps.reserve(maps.size());
for (auto const map: maps.d_maps) {
d_maps.emplace_back(new D4Map(map->name(), map->get_array_path()));
}
}
public:
D4Maps() = default;
// See comment below at operator=(). jhrg 9/12/23
D4Maps(const D4Maps &maps) = delete;
explicit D4Maps(const Array* parent) : d_parent(parent) { }
D4Maps(const D4Maps &maps, const Array *parent) { m_duplicate(maps, parent); }
virtual ~D4Maps() {
for (D4MapsIter i = d_maps.begin(), e = d_maps.end(); i != e; ++i)
delete *i;
}
// I deleted this because this class needs to set the _parent_ pointer to
// the Array that holds these maps. The one argument assignment operator
// provides no way to include that information. jhrg 9/12/23
D4Maps &operator=(const D4Maps &rhs) = delete;
void add_map(D4Map *map) {
d_maps.push_back(map);
}
void remove_map(D4Map *map) {
// TODO Refactor this to use erase() and find_if(). There is no reason
// to code an explicit loop like this in C++11. jhrg 9/16/22
for (D4MapsIter i = d_maps.begin(), e = d_maps.end(); i != e; ++i) {
/* && (*i)->parent() == map->parent() */
// Don't test if the map->parent() matches - we only care about the name and array.
// This method is intended for processing CE array slices that are edge cases and
// is only called from code where we know map->parent() matches *i->parent().
// jhrg 4/12/16
if ((*i)->name() == map->name()) {
d_maps.erase(i);
break;
}
}
}
D4Map* get_map(int i) { return d_maps.at(i); }
D4MapsIter map_begin() { return d_maps.begin(); }
D4MapsIter map_end() { return d_maps.end(); }
int size() const { return d_maps.size(); }
bool empty() const { return d_maps.empty(); }
virtual void print_dap4(XMLWriter &xml) {
for (D4MapsIter i = d_maps.begin(), e = d_maps.end(); i != e; ++i)
(*i)->print_dap4(xml);
}
};
} /* namespace libdap */
#endif /* D4MAPS_H_ */
libdap::Array
A multidimensional array of identical data types.
Definition Array.h:123
libdap::BaseType
The basic data type for the DODS DAP types.
Definition BaseType.h:120
libdap::BaseType::FQN
virtual std::string FQN() const
Definition BaseType.cc:329
libdap::D4Group
Definition D4Group.h:44
libdap::D4Map
Definition D4Maps.h:71
libdap::D4Map::array
Array * array() const
Only use this accessor in code that can deal with a nullptr return!
Definition D4Maps.h:104
libdap::D4Map::D4Map
D4Map(std::string name, Array *array, BaseType *)
Definition D4Maps.h:84
libdap::D4Map::set_array_path
void set_array_path(const std::string &array)
Definition D4Maps.h:96
libdap::D4Map::D4Map
D4Map(std::string name, Array *array)
Definition D4Maps.h:80
libdap::D4Maps
Definition D4Maps.h:119
libdap::D4Maps::add_map
void add_map(D4Map *map)
Definition D4Maps.h:159
libdap
top level DAP object to house generic methods
Definition AlarmHandler.h:36