73 static const unsigned char end_of_sequence = 0xA5;
74 static const unsigned char start_of_instance = 0x5A;
79 Sequence::_duplicate(
const Sequence &s)
81 d_row_number = s.d_row_number;
82 d_starting_row_number = s.d_starting_row_number;
83 d_ending_row_number = s.d_ending_row_number;
84 d_row_stride = s.d_row_stride;
85 d_leaf_sequence = s.d_leaf_sequence;
86 d_unsent_data = s.d_unsent_data;
87 d_wrote_soi = s.d_wrote_soi;
88 d_top_most = s.d_top_most;
90 Sequence &cs =
const_cast<Sequence &
>(s);
93 for (Vars_iter i = cs.var_begin(); i != cs.var_end(); i++) {
98 for (vector<BaseTypeRow *>::iterator rows_iter = cs.d_values.begin();
99 rows_iter != cs.d_values.end();
107 for (BaseTypeRow::iterator bt_row_iter = src_bt_row_ptr->begin();
108 bt_row_iter != src_bt_row_ptr->end();
110 BaseType *src_bt_ptr = *bt_row_iter;
111 BaseType *dest_bt_ptr = src_bt_ptr->ptr_duplicate();
112 dest_bt_row_ptr->push_back(dest_bt_ptr);
115 d_values.push_back(dest_bt_row_ptr);
120 write_end_of_sequence(Marshaller &m)
122 m.put_opaque( (
char *)&end_of_sequence, 1 ) ;
126 write_start_of_instance(Marshaller &m)
128 m.put_opaque( (
char *)&start_of_instance, 1 ) ;
132 read_marker(UnMarshaller &um)
134 unsigned char marker;
135 um.get_opaque( (
char *)&marker, 1 ) ;
141 is_start_of_instance(
unsigned char marker)
143 return (marker == start_of_instance);
147 is_end_of_sequence(
unsigned char marker)
149 return (marker == end_of_sequence);
163 d_row_number(-1), d_starting_row_number(-1),
164 d_row_stride(1), d_ending_row_number(-1),
165 d_unsent_data(false), d_wrote_soi(false),
166 d_leaf_sequence(false), d_top_most(false)
181 d_row_number(-1), d_starting_row_number(-1),
182 d_row_stride(1), d_ending_row_number(-1),
183 d_unsent_data(false), d_wrote_soi(false),
184 d_leaf_sequence(false), d_top_most(false)
202 DBG2(cerr <<
"In delete_bt: " << bt_ptr << endl);
203 delete bt_ptr; bt_ptr = 0;
209 DBG2(cerr <<
"In delete_rows: " << bt_row_ptr << endl);
211 for_each(bt_row_ptr->begin(), bt_row_ptr->end(), delete_bt);
213 delete bt_row_ptr; bt_row_ptr = 0;
218 DBG2(cerr <<
"Entering Sequence::~Sequence" << endl);
221 delete btp ; btp = 0;
224 for_each(d_values.begin(), d_values.end(), delete_rows);
225 DBG2(cerr <<
"exiting Sequence::~Sequence" << endl);
249 oss << (*i)->toString();
265 i += (*iter)->element_count(
true);
275 bool seq_found =
false;
293 linear = (*iter)->is_simple_type();
304 (*i)->set_send_p(state);
314 (*i)->set_read_p(state);
324 (*i)->set_in_selection(state);
344 "Cannot add variable: NULL pointer");
350 _vars.push_back(bt_copy);
359 BaseType *btp = m_exact_match(name, &s);
363 return m_leaf_match(name, &s);
372 return m_exact_match(n, s);
374 return m_leaf_match(n, s);
378 Sequence::m_leaf_match(
const string &name, btp_stack *s)
381 if ((*i)->name() ==
name) {
383 s->push(static_cast<BaseType *>(
this));
386 if ((*i)->is_constructor_type()) {
387 BaseType *btp = (*i)->var(name,
false, s);
390 s->push(static_cast<BaseType *>(
this));
400 Sequence::m_exact_match(
const string &name, btp_stack *s)
403 if ((*i)->name() ==
name) {
405 s->push(static_cast<BaseType *>(
this));
410 string::size_type dot_pos = name.find(
".");
411 if (dot_pos != string::npos) {
412 string aggregate = name.substr(0, dot_pos);
413 string field = name.substr(dot_pos + 1);
418 s->push(static_cast<BaseType *>(
this));
419 return agg_ptr->var(field,
true, s);
435 if (row >= d_values.size())
437 return d_values[row];
472 BaseTypeRow::iterator bt_row_iter = bt_row_ptr->begin();
473 BaseTypeRow::iterator bt_row_end = bt_row_ptr->end();
474 while (bt_row_iter != bt_row_end && (*bt_row_iter)->name() !=
name)
477 if (bt_row_iter == bt_row_end)
495 if (i >= bt_row_ptr->size())
498 return (*bt_row_ptr)[i];
541 return d_values.size();
609 DBG2(cerr <<
"Entering Sequence::read_row for " <<
name() << endl);
610 if (row < d_row_number)
611 throw InternalErr(
"Trying to back up inside a sequence!");
613 DBG2(cerr <<
"read_row: row number " << row
614 <<
", current row " << d_row_number << endl);
615 if (row == d_row_number)
617 DBG2(cerr <<
"Leaving Sequence::read_row for " <<
name() << endl);
624 while (!eof && d_row_number < row) {
626 eof = (
read() ==
false);
647 DBG2(cerr <<
"Leaving Sequence::read_row for " <<
name()
648 <<
" with " << (eof == 0) << endl);
660 Sequence::is_end_of_rows(
int i)
662 return ((d_ending_row_number == -1) ?
false : (i > d_ending_row_number));
729 DBG2(cerr <<
"Entering Sequence::serialize for " <<
name() << endl);
746 DBG2(cerr <<
"Entering serialize_parent_part_one for " <<
name() << endl);
748 int i = (d_starting_row_number != -1) ? d_starting_row_number : 0;
754 bool status =
read_row(i, dds, eval,
false);
755 DBG2(cerr <<
"Sequence::serialize_parent_part_one::read_row() status: " << status << endl);
757 while (status && !is_end_of_rows(i)) {
775 (*iter)->serialize(eval, dds, m);
780 status =
read_row(i, dds, eval,
false);
781 DBG(cerr <<
"Sequence::serialize_parent_part_one::read_row() status: " << status << endl);
789 if (d_top_most || d_wrote_soi) {
790 DBG(cerr <<
"Writing End of Sequence marker" << endl);
791 write_end_of_sequence(m);
812 DBG(cerr <<
"Entering serialize_parent_part_two for " <<
name() << endl);
816 dynamic_cast<Sequence&>(*btp).serialize_parent_part_two(dds, eval, m);
819 DBG(cerr <<
"Writing Start of Instance marker" << endl);
821 write_start_of_instance(m);
826 DBG(cerr <<
"Sequence::serialize_parent_part_two(), serializing "
827 << (*iter)->name() << endl);
829 DBG(cerr <<
"Send P is true, sending " << (*iter)->name() << endl);
830 (*iter)->serialize(eval, dds, m,
false);
834 d_unsent_data =
false;
844 DBG(cerr <<
"Entering Sequence::serialize_leaf for " <<
name() << endl);
845 int i = (d_starting_row_number != -1) ? d_starting_row_number : 0;
849 bool status =
read_row(i, dds, eval, ce_eval);
850 DBG(cerr <<
"Sequence::serialize_leaf::read_row() status: " << status << endl);
864 if (status && !is_end_of_rows(i)) {
867 dynamic_cast<Sequence&>(*btp).serialize_parent_part_two(dds,
872 while (status && !is_end_of_rows(i)) {
875 DBG(cerr <<
"Writing Start of Instance marker" << endl);
877 write_start_of_instance(m);
881 DBG(cerr <<
"Sequence::serialize_leaf(), serializing "
882 << (*iter)->name() << endl);
883 if ((*iter)->send_p()) {
884 DBG(cerr <<
"Send P is true, sending " << (*iter)->name() << endl);
885 (*iter)->serialize(eval, dds, m,
false);
891 status =
read_row(i, dds, eval, ce_eval);
892 DBG(cerr <<
"Sequence::serialize_leaf::read_row() status: " << status << endl);
897 if (d_wrote_soi || d_top_most) {
898 DBG(cerr <<
"Writing End of Sequence marker" << endl);
899 write_end_of_sequence(m);
930 DBG(cerr <<
"Sequence::intern_data - for " <<
name() << endl);
931 DBG2(cerr <<
" intern_data, values: " << &d_values << endl);
938 DBG2(cerr <<
" pushing d_values of " <<
name() <<
" (" << &d_values
939 <<
") on stack; size: " << sequence_values_stack.size() << endl);
940 sequence_values_stack.push(&d_values);
950 DBG(cerr <<
"Entering intern_data_private for " <<
name() << endl);
962 sequence_values_stack)
964 DBG(cerr <<
"Entering intern_data_parent_part_one for " <<
name() << endl);
972 bool status =
read_row(i, dds, eval,
false);
980 SequenceValues::size_type orig_stack_size = sequence_values_stack.size() ;
988 if ((*iter)->send_p()) {
989 switch ((*iter)->type()) {
992 eval, dds, sequence_values_stack);
996 (*iter)->intern_data(eval, dds);
1004 status =
read_row(i, dds, eval,
false);
1014 if( sequence_values_stack.size() > orig_stack_size )
1016 DBG2(cerr <<
" popping d_values (" << sequence_values_stack.top()
1017 <<
") off stack; size: " << sequence_values_stack.size() << endl);
1018 sequence_values_stack.pop();
1020 DBG(cerr <<
"Leaving intern_data_parent_part_one for " <<
name() << endl);
1028 DBG(cerr <<
"Entering intern_data_parent_part_two for " <<
name() << endl);
1033 dds, eval, sequence_values_stack);
1036 DBG2(cerr <<
" stack size: " << sequence_values_stack.size() << endl);
1038 DBG2(cerr <<
" using values = " << (
void *)values << endl);
1047 row_data->push_back((*iter)->ptr_duplicate());
1049 else if ((*iter)->send_p()) {
1053 throw InternalErr(__FILE__, __LINE__,
"Expected a Sequence.");
1055 row_data->push_back(tmp);
1056 DBG2(cerr <<
" pushing d_values of " << tmp->
name()
1057 <<
" (" << &(tmp->d_values)
1058 <<
") on stack; size: " << sequence_values_stack.size()
1063 sequence_values_stack.push(&(tmp->d_values));
1067 DBG2(cerr <<
" pushing values for " <<
name()
1068 <<
" to " << values << endl);
1069 values->push_back(row_data);
1072 DBG(cerr <<
"Leaving intern_data_parent_part_two for " <<
name() << endl);
1080 DBG(cerr <<
"Entering intern_data_for_leaf for " <<
name() << endl);
1084 DBG2(cerr <<
" reading row " << i << endl);
1085 bool status =
read_row(i, dds, eval,
true);
1086 DBG2(cerr <<
" status: " << status << endl);
1096 dds, eval, sequence_values_stack);
1103 DBG2(cerr <<
" using values = " << values << endl);
1112 if ((*iter)->send_p()) {
1113 row_data->push_back((*iter)->ptr_duplicate());
1117 DBG2(cerr <<
" pushing values for " <<
name()
1118 <<
" to " << values << endl);
1120 values->push_back(row_data);
1124 status =
read_row(i, dds, eval,
true);
1127 DBG2(cerr <<
" popping d_values (" << sequence_values_stack.top()
1128 <<
") off stack; size: " << sequence_values_stack.size() << endl);
1129 sequence_values_stack.pop();
1131 DBG(cerr <<
"Leaving intern_data_for_leaf for " <<
name() << endl);
1159 throw InternalErr(
"Expected argument 'dds' to be a DataDDS!");
1161 DBG2(cerr <<
"Reading from server/protocol version: "
1168 +
") indicates that this\nis an old server which may not correctly transmit Sequence variables.\nContact the server administrator.");
1173 unsigned char marker = read_marker(um);
1174 if (is_end_of_sequence(marker))
1176 else if (is_start_of_instance(marker)) {
1178 DBG2(cerr <<
"Reading row " << d_row_number <<
" of "
1185 DBG2(cerr <<
"Deserialized " << bt_ptr->
name() <<
" ("
1186 << bt_ptr <<
") = ");
1188 bt_row_ptr->push_back(bt_ptr);
1191 d_values.push_back(bt_row_ptr);
1194 throw Error(
"I could not read the expected Sequence data stream marker!");
1216 return d_starting_row_number;
1232 return d_row_stride;
1249 return d_ending_row_number;
1266 d_starting_row_number = start;
1267 d_row_stride = stride;
1268 d_ending_row_number = stop;
1276 throw InternalErr(__FILE__, __LINE__,
"Never use this method; see the programmer's guide documentation.");
1287 throw InternalErr(__FILE__, __LINE__,
"Use Sequence::var_value() or Sequence::row_value() in place of Sequence::buf2val()");
1297 fprintf(out,
"\n%s%d: ", space.c_str(), row) ;
1299 fprintf(out,
"{ ") ;
1305 for (j = 0; j < elements; ++j) {
1309 dynamic_cast<Sequence*>(bt_ptr)->print_val_by_rows
1310 (out, space +
" ",
false, print_row_num);
1313 fprintf(out,
", ") ;
1321 dynamic_cast<Sequence*>(bt_ptr)->print_val_by_rows
1322 (out, space +
" ",
false, print_row_num);
1327 fprintf(out,
" }") ;
1336 out <<
"\n" << space << row <<
": " ;
1350 while (j < elements && !bt_ptr) {
1354 dynamic_cast<Sequence*>(bt_ptr)->print_val_by_rows
1355 (out, space +
" ",
false, print_row_num);
1362 while (j < elements) {
1367 dynamic_cast<Sequence*>(bt_ptr)->print_val_by_rows
1368 (out, space +
" ",
false, print_row_num);
1380 bool print_row_numbers)
1384 fprintf(out,
" = ") ;
1387 fprintf(out,
"{ ") ;
1391 for (i = 0; i < rows; ++i) {
1393 fprintf(out,
", ") ;
1397 fprintf(out,
" }") ;
1400 fprintf(out,
";\n") ;
1406 bool print_row_numbers)
1417 for (i = 0; i < rows; ++i) {
1455 if (!(*i)->check_semantics(msg,
true)) {
1466 d_leaf_sequence = state;
1472 return d_leaf_sequence;
1502 bool has_child_sequence =
false;
1504 if (lvl == 1) d_top_most =
true;
1506 DBG2(cerr <<
"Processing sequence " <<
name() << endl);
1515 if (has_child_sequence)
1516 throw Error(
"This implementation does not support more than one nested sequence at a level. Contact the server administrator.");
1518 has_child_sequence =
true;
1526 if (!has_child_sequence)
1546 << (
void *)
this <<
")" << endl ;