libdap Updated for version 3.20.5
libdap4 is an implementation of OPeNDAP's DAP protocol.
D4Group.cc
1// -*- mode: c++; c-basic-offset:4 -*-
2
3// This file is part of libdap, A C++ implementation of the OPeNDAP Data
4// Access Protocol.
5
6// Copyright (c) 2013 OPeNDAP, Inc.
7// Author: James Gallagher <jgallagher@opendap.org>
8//
9// This library is free software; you can redistribute it and/or
10// modify it under the terms of the GNU Lesser General Public
11// License as published by the Free Software Foundation; either
12// version 2.1 of the License, or (at your option) any later version.
13//
14// This library is distributed in the hope that it will be useful,
15// but WITHOUT ANY WARRANTY; without even the implied warranty of
16// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17// Lesser General Public License for more details.
18//
19// You should have received a copy of the GNU Lesser General Public
20// License along with this library; if not, write to the Free Software
21// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22//
23// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
24
25#include "config.h"
26
27//#define DODS_DEBUG
28
29#include <cassert>
30
31#include <iostream>
32#include <sstream>
33#include <iomanip>
34
35#include <stdint.h>
36
37#include "crc.h"
38
39#include "BaseType.h"
40#include "Array.h"
41
42#include "XMLWriter.h"
43#include "D4Attributes.h"
44#include "D4Dimensions.h"
45#include "D4Group.h"
46#include "D4Enum.h"
47
48#include "D4StreamMarshaller.h"
49#include "D4StreamUnMarshaller.h"
50
51#include "debug.h"
52
58#undef INCLUDE_SOURCE_BYTE_ORDER
59
60namespace libdap {
61
62void D4Group::m_duplicate(const D4Group &g)
63{
64 DBG(cerr << "In D4Group::m_duplicate for " << g.name() << endl);
65
66 // dims; deep copy, this is the parent
67 if (g.d_dims) {
68 d_dims = new D4Dimensions(*(g.d_dims));
69 d_dims->set_parent(this);
70
71 // Update all of the D4Dimension weak pointers in the Array objects.
72 // This is a hack - we know that Constructor::m_duplicate() has been
73 // called at this point and any Array instances have dimension pointers
74 // that reference the 'old' dimensions (g.d_dims) and not the 'new'
75 // dimensions made above. Scan every array and re-wire the weak pointers.
76 // jhrg 8/15/14
77 Vars_citer vi = d_vars.begin();
78 while (vi != d_vars.end()) {
79 if ((*vi)->type() == dods_array_c)
80 static_cast<Array*>(*vi)->update_dimension_pointers(g.d_dims, d_dims);
81 ++vi;
82 }
83 }
84
85#if 0
86 // Moved this block up inside the if because g.d_dims might be false. jhrg 9/14/15
87 Vars_citer vi = d_vars.begin();
88 while (vi != d_vars.end()) {
89 if ((*vi)->type() == dods_array_c)
90 static_cast<Array*>(*vi)->update_dimension_pointers(g.d_dims, d_dims);
91 ++vi;
92 }
93#endif
94
95 // enums; deep copy
96 if (g.d_enum_defs) d_enum_defs = new D4EnumDefs(*g.d_enum_defs);
97
98 // groups
99 groupsCIter i = g.d_groups.begin();
100 while(i != g.d_groups.end()) {
101 // Only D4Groups are in the d_groups container.
102 D4Group *g = static_cast<D4Group*>((*i++)->ptr_duplicate());
103 add_group_nocopy(g);
104 }
105
106 DBG(cerr << "Exiting D4Group::m_duplicate" << endl);
107}
108
119D4Group::D4Group(const string &name)
120 : Constructor(name, dods_group_c, /*is_dap4*/true), d_dims(0), d_enum_defs(0)
121{}
122
133D4Group::D4Group(const string &name, const string &dataset)
134 : Constructor(name, dataset, dods_group_c, /*is_dap4*/true), d_dims(0), d_enum_defs(0)
135{}
136
138D4Group::D4Group(const D4Group &rhs) : Constructor(rhs), d_dims(0), d_enum_defs(0)
139{
140 DBG(cerr << "In D4Group::copy_ctor for " << rhs.name() << endl);
141 m_duplicate(rhs);
142}
143
144D4Group::~D4Group()
145{
146 delete d_dims;
147 delete d_enum_defs;
148
149 groupsIter i = d_groups.begin();
150 while(i != d_groups.end())
151 delete *i++;
152}
153
154#if 0
155D4Group *
156
157// I think this was a mistake. jhrg 11/17/16
158#endif
159BaseType *
161{
162 return new D4Group(*this);
163}
164
165D4Group &
166D4Group::operator=(const D4Group &rhs)
167{
168 if (this == &rhs)
169 return *this;
170
171 dynamic_cast<Constructor &>(*this) = rhs; // run Constructor=
172
173 m_duplicate(rhs);
174
175 return *this;
176}
177
184string
186{
187 // The root group is named "/" (always)
188 return (name() == "/") ? "/" : static_cast<D4Group*>(get_parent())->FQN() + name() + "/";
189}
190
191// Note that in order for this to work the second argument must not be a reference.
192// jhrg 8/20/13
193static bool
194name_eq(D4Group *g, const string name)
195{
196 return g->name() == name;
197}
198
199D4Group *
200D4Group::find_child_grp(const string &grp_name)
201{
202 groupsIter g = find_if(grp_begin(), grp_end(), bind2nd(ptr_fun(name_eq), grp_name));
203 return (g == grp_end()) ? 0: *g;
204}
205
206// TODO Add constraint param? jhrg 11/17/13
207BaseType *
208D4Group::find_first_var_that_uses_dimension(D4Dimension *dim)
209{
210 // for each group, starting with the root group
211 // for each variable in the group that is marked to send and is an array
212 // return the btp if it uses the D4Dimension
213 // if it contains child groups, search those
214 // return the btp if it uses the D4Dimension
215 // return null
216
217 // exhaustive breadth-first search for 'dim
218
219 // root group
220 for (Vars_iter i = var_begin(), e = var_end(); i != e; ++i) {
221 if ((*i)->send_p() && (*i)->type() == dods_array_c) {
222 Array *a = static_cast<Array*>(*i);
223 for (Array::Dim_iter di = a->dim_begin(), de = a->dim_end(); di != de; ++di) {
224 if (a->dimension_D4dim(di) == dim)
225 return a;
226 }
227 }
228 }
229
230 for (groupsIter i = grp_begin(), e = grp_end(); i != e; ++i) {
231 BaseType *btp = (*i)->find_first_var_that_uses_dimension(dim);
232 if (btp) return btp;
233 }
234
235 return 0;
236}
237
238BaseType *
239D4Group::find_first_var_that_uses_enumeration(D4EnumDef *enum_def)
240{
241 // for each group, starting with the root group
242 // for each variable in the group that is marked to send and is an array
243 // return the btp if it uses the D4EnumDef
244 // if it contains child groups, search those
245 // return the btp if it uses the D4EnumDef
246 // return null
247
248 // exhaustive breadth-first search for 'dim
249
250 // root group
251 for (Vars_iter i = var_begin(), e = var_end(); i != e; ++i) {
252 if ((*i)->send_p() && (*i)->type() == dods_enum_c) {
253 D4Enum *e = static_cast<D4Enum*>(*i);
254 if (e->enumeration() == enum_def)
255 return e;
256 }
257 }
258
259 for (groupsIter i = grp_begin(), e = grp_end(); i != e; ++i) {
260 BaseType *btp = (*i)->find_first_var_that_uses_enumeration(enum_def);
261 if (btp) return btp;
262 }
263
264 return 0;
265}
266
276D4Dimension *
277D4Group::find_dim(const string &path)
278{
279 string lpath = path; // get a mutable copy
280
281 // special-case for the root group
282 if (lpath[0] == '/') {
283 if (name() != "/")
284 throw InternalErr(__FILE__, __LINE__, "Lookup of a FQN starting in non-root group.");
285 else
286 lpath = lpath.substr(1);
287 }
288
289 string::size_type pos = lpath.find('/');
290 if (pos == string::npos) {
291 // name looks like 'bar'
292 return dims()->find_dim(lpath);
293 }
294
295 // name looks like foo/bar/baz where foo and bar must be groups
296 string grp_name = lpath.substr(0, pos);
297 lpath = lpath.substr(pos + 1);
298
299 D4Group *grp = find_child_grp(grp_name);
300 return (grp == 0) ? 0: grp->find_dim(lpath);
301}
302
303Array *
304D4Group::find_map_source(const string &path)
305{
306 BaseType *map_source = m_find_map_source_helper(path);
307
308 // TODO more complete semantic checking jhrg 10/16/13
309 if (map_source && map_source->type() == dods_array_c) return static_cast<Array*>(map_source);
310
311 return 0;
312}
313
314BaseType *
315D4Group::m_find_map_source_helper(const string &path)
316{
317 string lpath = path; // get a mutable copy
318
319 // special-case for the root group
320 if (lpath[0] == '/') {
321 if (name() != "/")
322 throw InternalErr(__FILE__, __LINE__, "Lookup of a FQN starting in non-root group.");
323 else
324 lpath = lpath.substr(1);
325 }
326
327 string::size_type pos = lpath.find('/');
328 if (pos == string::npos) {
329 // name looks like 'bar'
330 return var(lpath);
331 }
332
333 // name looks like foo/bar/baz where foo an bar must be groups
334 string grp_name = lpath.substr(0, pos);
335 lpath = lpath.substr(pos + 1);
336
337 D4Group *grp = find_child_grp(grp_name);
338 return (grp == 0) ? 0: grp->var(lpath);
339}
340
341D4EnumDef *
342D4Group::find_enum_def(const string &path)
343{
344 string lpath = path; // get a mutable copy
345
346 // special-case for the root group
347 if (lpath[0] == '/') {
348 if (name() != "/")
349 throw InternalErr(__FILE__, __LINE__, "Lookup of a FQN starting in non-root group.");
350 else
351 lpath = lpath.substr(1);
352 }
353
354 string::size_type pos = lpath.find('/');
355 if (pos == string::npos) {
356 // name looks like 'bar'
357 return enum_defs()->find_enum_def(lpath);
358 }
359
360 // name looks like foo/bar/baz where foo and bar must be groups
361 string grp_name = lpath.substr(0, pos);
362 lpath = lpath.substr(pos + 1);
363
364 D4Group *grp = find_child_grp(grp_name);
365 return (grp == 0) ? 0: grp->enum_defs()->find_enum_def(lpath);
366}
367
375BaseType *
376D4Group::find_var(const string &path)
377{
378 string lpath = path; // get a mutable copy
379
380 // special-case for the root group
381 if (lpath[0] == '/') {
382 if (name() != "/")
383 throw InternalErr(__FILE__, __LINE__, "Lookup of a FQN starting in non-root group.");
384 else
385 lpath = lpath.substr(1);
386 }
387
388 string::size_type pos = lpath.find('/');
389 if (pos == string::npos) {
390 // name looks like 'bar' or bar.baz; lookup in the Constructor that's part of the Group
391 return var(lpath);
392 }
393
394 // name looks like foo/bar/baz where foo and bar must be groups
395 string grp_name = lpath.substr(0, pos);
396 lpath = lpath.substr(pos + 1);
397
398 D4Group *grp = find_child_grp(grp_name);
399 return (grp == 0) ? 0 : grp->find_var(lpath);
400}
401
408long
409D4Group::request_size(bool constrained)
410{
411 long long size = 0;
412 // variables
413 Constructor::Vars_iter v = var_begin();
414 while (v != var_end()) {
415 if (constrained) {
416 if ((*v)->send_p())
417 size += (*v)->width(constrained);
418 }
419 else {
420 size += (*v)->width(constrained);
421 }
422
423 ++v;
424 }
425
426 // groups
427 groupsIter g = d_groups.begin();
428 while (g != d_groups.end())
429 size += (*g++)->request_size(constrained);
430
431 return size / 1024;
432}
433
434void
436{
437 groupsIter g = d_groups.begin();
438 while (g != d_groups.end())
439 (*g++)->set_read_p(state);
440
442}
443
444void
446{
447 groupsIter g = d_groups.begin();
448 while (g != d_groups.end())
449 (*g++)->set_send_p(state);
450
452}
453
454void
455D4Group::intern_data(/*Crc32 &checksum, DMR &dmr, ConstraintEvaluator &eval*/)
456{
457 groupsIter g = d_groups.begin();
458 while (g != d_groups.end())
459 (*g++)->intern_data(/*checksum, dmr, eval*/);
460
461 // Specialize how the top-level variables in any Group are sent; include
462 // a checksum for them. A subset operation might make an interior set of
463 // variables, but the parent structure will still be present and the checksum
464 // will be computed for that structure. In other words, DAP4 does not try
465 // to sort out which variables are the 'real' top-level variables and instead
466 // simply computes the CRC for whatever appears as a variable in the root
467 // group.
468 for (Vars_iter i = d_vars.begin(); i != d_vars.end(); i++) {
469 // Only send the stuff in the current subset.
470 if ((*i)->send_p()) {
471#if 0
472 checksum.Reset();
473#endif
474 (*i)->intern_data(/*checksum, dmr, eval*/);
475#if 0
476 D4Attribute *a = new D4Attribute("DAP4_Checksum_CRC32", attr_str_c);
477
478 ostringstream oss;
479 oss.setf(ios::hex, ios::basefield);
480 oss << setfill('0') << setw(8) << checksum.GetCrc32();
481 a->add_value(oss.str());
482#if INCLUDE_SOURCE_BYTE_ORDER
483 if (um.is_source_big_endian())
484 a->add_value("source:big-endian");
485 else
486 a->add_value("source:little-endian");
487#endif
488 (*i)->attributes()->add_attribute_nocopy(a);
489 DBG(cerr << "CRC32: " << oss.str() << " for " << (*i)->name() << endl);
490#endif
491 }
492 }
493}
494
506void
507D4Group::serialize(D4StreamMarshaller &m, DMR &dmr, /*ConstraintEvaluator &eval,*/ bool filter)
508{
509#if 0
510 // This will call Constructor read which will, for everything but a Sequence,
511 // read all of the data in one shot. However, the serialize() methods for the
512 // Arrays, Structures, etc., also have read() calls in them and those can be
513 // used to control how long the data are in memory, e.g., limiting the lifetime
514 // of a large array and avoiding having overlapping arrays when they are not
515 // needed. For a sequence read() has different semantics. It is called once
516 // for every instance and the read_p flag is not used.
517 if (!read_p())
518 read(); // read() throws Error
519#endif
520
521 groupsIter g = d_groups.begin();
522 while (g != d_groups.end())
523 (*g++)->serialize(m, dmr, filter);
524
525 // Specialize how the top-level variables in any Group are sent; include
526 // a checksum for them. A subset operation might make an interior set of
527 // variables, but the parent structure will still be present and the checksum
528 // will be computed for that structure. In other words, DAP4 does not try
529 // to sort out which variables are the 'real' top-level variables and instead
530 // simply computes the CRC for whatever appears as a variable in the root
531 // group.
532 for (Vars_iter i = d_vars.begin(); i != d_vars.end(); i++) {
533 // Only send the stuff in the current subset.
534 if ((*i)->send_p()) {
535 m.reset_checksum();
536
537 DBG(cerr << "Serializing variable " << (*i)->type_name() << " " << (*i)->name() << endl);
538 (*i)->serialize(m, dmr, filter);
539
540 DBG(cerr << "Wrote CRC32: " << m.get_checksum() << " for " << (*i)->name() << endl);
541 m.put_checksum();
542 }
543 }
544}
545
547{
548 groupsIter g = d_groups.begin();
549 while (g != d_groups.end()) {
550 DBG(cerr << "Deserializing group " << (*g)->name() << endl);
551 (*g++)->deserialize(um, dmr);
552 }
553 // Specialize how the top-level variables in any Group are received; read
554 // their checksum and store the value in a magic attribute of the variable
555 for (Vars_iter i = d_vars.begin(); i != d_vars.end(); i++) {
556 DBG(cerr << "Deserializing variable " << (*i)->type_name() << " " << (*i)->name() << endl);
557 (*i)->deserialize(um, dmr);
558
559 D4Attribute *a = new D4Attribute("DAP4_Checksum_CRC32", attr_str_c);
560 string crc = um.get_checksum_str();
561 a->add_value(crc);
562#if INCLUDE_SOURCE_BYTE_ORDER
563 if (um.is_source_big_endian())
564 a->add_value("source:big-endian");
565 else
566 a->add_value("source:little-endian");
567#endif
568 DBG(cerr << "Read CRC32: " << crc << " for " << (*i)->name() << endl);
569 (*i)->attributes()->add_attribute_nocopy(a);
570 }
571}
572
573void
574D4Group::print_dap4(XMLWriter &xml, bool constrained)
575{
576 if (!name().empty() && name() != "/") {
577 // For named groups, if constrained is true only print if this group
578 // has variables that are marked for transmission. For the root group
579 // this test is not made.
580 if (constrained && !send_p())
581 return;
582
583 if (xmlTextWriterStartElement(xml.get_writer(), (const xmlChar*) type_name().c_str()) < 0)
584 throw InternalErr(__FILE__, __LINE__, "Could not write " + type_name() + " element");
585
586 if (xmlTextWriterWriteAttribute(xml.get_writer(), (const xmlChar*) "name", (const xmlChar*) name().c_str()) < 0)
587 throw InternalErr(__FILE__, __LINE__, "Could not write attribute for name");
588 }
589
590 // dims
591 if (!dims()->empty())
592 dims()->print_dap4(xml, constrained);
593
594 // enums
595 if (!enum_defs()->empty())
596 enum_defs()->print_dap4(xml, constrained);
597
598 // variables
599 Constructor::Vars_iter v = var_begin();
600 while (v != var_end())
601 (*v++)->print_dap4(xml, constrained);
602
603 // attributes
604 attributes()->print_dap4(xml);
605
606 // groups
607 groupsIter g = d_groups.begin();
608 while (g != d_groups.end())
609 (*g++)->print_dap4(xml, constrained);
610
611 if (!name().empty() && name() != "/") {
612 if (xmlTextWriterEndElement(xml.get_writer()) < 0)
613 throw InternalErr(__FILE__, __LINE__, "Could not end " + type_name() + " element");
614 }
615}
616#if 0
633vector<BaseType *> *
634D4Group::transform_to_dap2(AttrTable *parent_attr_table)
635{
636 return transform_to_dap2(parent_attr_table, false);
637}
638#endif
662vector<BaseType *> *
664{
665 DBG( cerr << __func__ << "() - BEGIN ("<< name() << ")" << endl);
666
667 vector<BaseType *> *results = new vector<BaseType *>(); // LEAK
668
669 // Get the D4Group's attributes
670#if 0
671 AttrTable *group_attrs = attributes()->get_AttrTable(name());
672#else
673 AttrTable *group_attrs = new AttrTable();
674 attributes()->transform_attrs_to_dap2(group_attrs);
675 group_attrs->set_name(name());
676#endif
677
678 // If this is the root group then copy all of its attributes into the parent_attr_table.
679 // The group_attrs AttrTable* above will be replaced by the parent_attr_table.
680 bool is_root = (name() == "/");
681
682 if (is_root) {
683 assert(name() == "/");
684 for (AttrTable::Attr_iter i = group_attrs->attr_begin(), e = group_attrs->attr_end(); i != e; ++i) {
685 if ((*i)->type == Attr_container) {
686 // copy the source container so that the DAS passed in can be
687 // deleted after calling this method.
688 AttrTable *at = new AttrTable(*(*i)->attributes);
689 parent_attr_table->append_container(at, at->get_name());
690 }
691 else {
692 parent_attr_table->append_attr((*i)->name, AttrType_to_String((*i)->type), (*i)->attr);
693 }
694 }
695 delete group_attrs;
696 group_attrs = parent_attr_table;
697 }
698
699 // Now we process the child variables of this group
700
701 vector<BaseType *> dropped_vars;
702 for (D4Group::Vars_citer i = var_begin(), e = var_end(); i != e; ++i) {
703
704 DBG( cerr << __func__ << "() - Processing member variable '" << (*i)->name() <<
705 "' root: " << (is_root?"true":"false") << endl);
706
707 vector<BaseType *> *new_vars = (*i)->transform_to_dap2(group_attrs);
708 if (new_vars) { // Might be un-mappable
709 // It's not so game on..
710 for (vector<BaseType*>::iterator vi = new_vars->begin(), ve = new_vars->end(); vi != ve; vi++) {
711 string new_name = (is_root ? "" : FQN()) + (*vi)->name();
712 (*vi)->set_name(new_name);
713 (*vi)->set_parent(NULL);
714 results->push_back((*vi));
715#if 0
716 (*vi) = NULL;
717#endif
718 DBG( cerr << __func__ << "() - Added member variable '" << (*i)->name() << "' " <<
719 "to results vector. root: "<< (is_root?"true":"false") << endl);
720 }
721
722 delete new_vars;
723 }
724 else {
725 DBG( cerr << __func__ << "() - Dropping member variable " << (*i)->name() <<
726 " root: " << (is_root?"true":"false") << endl);
727 // Got back a NULL, so we are dropping this var.
728 dropped_vars.push_back(*i);
729 }
730 }
731
732 // Process dropped DAP4 vars
733 DBG( cerr << __func__ << "() - Processing " << dropped_vars.size() << " Dropped Variable(s)" << endl);
734
735 AttrTable *dv_attr_table = make_dropped_vars_attr_table(&dropped_vars);
736 if (dv_attr_table) {
737 group_attrs->append_container(dv_attr_table, dv_attr_table->get_name());
738 }
739
740 // Get all the child groups.
741 for (D4Group::groupsIter gi = grp_begin(), ge = grp_end(); gi != ge; ++gi) {
742 vector<BaseType *> *d2_vars = (*gi)->transform_to_dap2(group_attrs);
743 if (d2_vars) {
744 for (vector<BaseType *>::iterator i = d2_vars->begin(), e = d2_vars->end(); i != e; ++i) {
745 results->push_back(*i);
746 }
747 }
748 delete d2_vars;
749 }
750
751 if (!is_root) {
752 group_attrs->set_name(name());
753 parent_attr_table->append_container(group_attrs, group_attrs->get_name());
754 }
755
756 return results;
757}
758
759
760} /* namespace libdap */
A multidimensional array of identical data types.
Definition Array.h:113
std::vector< dimension >::iterator Dim_iter
Definition Array.h:206
Contains the attributes for a dataset.
Definition AttrTable.h:143
virtual AttrTable * append_container(const string &name)
Add a container to the attribute table.
Definition AttrTable.cc:410
virtual void set_name(const string &n)
Set the name of this attribute table.
Definition AttrTable.cc:245
virtual Attr_iter attr_end()
Definition AttrTable.cc:719
virtual unsigned int append_attr(const string &name, const string &type, const string &value)
Add an attribute to the table.
Definition AttrTable.cc:307
virtual Attr_iter attr_begin()
Definition AttrTable.cc:711
virtual string get_name() const
Get the name of this attribute table.
Definition AttrTable.cc:238
The basic data type for the DODS DAP types.
Definition BaseType.h:118
virtual string type_name() const
Returns the type of the class instance as a string.
Definition BaseType.cc:379
virtual string name() const
Returns the name of the class instance.
Definition BaseType.cc:320
virtual BaseType * get_parent() const
Definition BaseType.cc:751
virtual bool read_p()
Has this variable been read?
Definition BaseType.cc:480
virtual D4Attributes * attributes()
Definition BaseType.cc:599
virtual bool send_p()
Should this variable be sent?
Definition BaseType.cc:554
BaseType(const string &n, const Type &t, bool is_dap4=false)
The BaseType constructor.
Definition BaseType.cc:126
virtual Type type() const
Returns the type of the class instance.
Definition BaseType.cc:365
virtual BaseType * var(const string &name, bool exact_match=true, btp_stack *s=0)
btp_stack no longer needed; use back pointers (BaseType::get_parent())
virtual void set_send_p(bool state)
virtual bool read()
simple implementation of read that iterates through vars and calls read on them
Vars_iter var_begin()
virtual void set_read_p(bool state)
Sets the value of the read_p property.
void transform_attrs_to_dap2(AttrTable *d2_attr_table)
Copy the attributes from this D4Attributes object to a DAP2 AttrTable.
D4Dimension * find_dim(const string &path)
Find the dimension using a path. Using the DAP4 name syntax, lookup a dimension. The dimension must b...
Definition D4Group.cc:277
virtual void intern_data()
Read data into this variable.
Definition D4Group.cc:455
virtual void set_read_p(bool state)
Sets the value of the read_p property.
Definition D4Group.cc:435
BaseType * find_var(const string &name)
Definition D4Group.cc:376
virtual std::string FQN() const
Definition D4Group.cc:185
groupsIter grp_begin()
Get an iterator to the start of the values.
Definition D4Group.h:111
virtual void deserialize(D4StreamUnMarshaller &um, DMR &dmr)
Definition D4Group.cc:546
virtual void set_send_p(bool state)
Definition D4Group.cc:445
groupsIter grp_end()
Get an iterator to the end of the values.
Definition D4Group.h:114
D4Dimensions * dims()
Get the dimensions defined for this Group.
Definition D4Group.h:82
virtual BaseType * ptr_duplicate()
Definition D4Group.cc:160
virtual std::vector< BaseType * > * transform_to_dap2(AttrTable *parent_attr_table)
Transform the D4Group's variables to DAP2 variables.
Definition D4Group.cc:663
D4EnumDefs * enum_defs()
Get the enumerations defined for this Group.
Definition D4Group.h:97
long request_size(bool constrained)
Definition D4Group.cc:409
D4Group(const string &name)
Definition D4Group.cc:119
void print_dap4(XMLWriter &xml, bool constrained=false)
Definition D4Group.cc:574
virtual void serialize(D4StreamMarshaller &m, DMR &dmr, bool filter=false)
Serialize a Group.
Definition D4Group.cc:507
Marshaller that knows how to marshal/serialize dap data objects to a C++ iostream using DAP4's receiv...
virtual void put_checksum()
Write the checksum Write the checksum for the data sent since the last call to reset_checksum() to th...
Read data from the stream made by D4StreamMarshaller.
bool is_source_big_endian() const
Is the data source we are reading from a big-endian machine? We need this because the value of the CR...
A class for software fault reporting.
Definition InternalErr.h:65
top level DAP object to house generic methods
string AttrType_to_String(const AttrType at)
Definition AttrTable.cc:97