solves and closes #1970 (#1975)

Co-authored-by: Giloo <gildas@localhost>

Author: GillesDuvert

src/read.cpp

@@ -40,23 +40,22 @@ std::stringstream accept_comma_and_complex_default_format(std::stringstream & is
   if (parIn->Type() == GDL_STRING) return std::stringstream(is.str());
 
   bool debug = false;
-  if (debug) std::cout << "the raw full input :" << is.str() << std::endl;
+  if (debug) std::cout << "the raw full input (1):" << is.str() << std::endl;
 
-  // for Complex, compting cases is complex since (12) eq (12,12) eq 12 ... count 1
+  // for Complex, counting cases is complex since (12) eq (12,12) eq 12 ... count 1
   int flag_cplx = 0;
   if ((parIn->Type() == GDL_COMPLEX) || (parIn->Type() == GDL_COMPLEXDBL)) flag_cplx = 1;
-  //      int open_brace=0;
-  //int loop=0;
-
+  SizeT NToTransfer=parIn->N_Elements();
+  if (parIn->Type() == GDL_STRUCT) NToTransfer=parIn->ToTransfer();
   std::stringstream temp;
   char c;
   int loop = 0;
   int open_brace = 0;
   //repeat as many elements necessary, but no more!
   //for (SizeT ielem=0; ielem < (*par)->N_Elements(); ++ielem ) {
-  if (debug) std::cout << "nb elems : " << parIn->N_Elements() << std::endl;
+  if (debug) std::cout << "nb elems : " << NToTransfer << std::endl;
 
-  for (int ielem = 0; ielem < parIn->N_Elements(); ++ielem) {
+  for (int ielem = 0; ielem < NToTransfer; ++ielem) {
 
 	loop++;
 	while (is.get(c)) { //remove starting blanks, commas, tabs, newlines
@@ -88,7 +87,7 @@ std::stringstream accept_comma_and_complex_default_format(std::stringstream & is
 	temp.put(' '); //put a spearator between values
 
 	// this is a security if the input is really badly formatted 
-	if (loop > 5 * parIn->N_Elements()) break;
+	if (loop > 5 * NToTransfer) break;
 
   } // for loop
 
@@ -102,22 +101,24 @@ std::stringstream accept_comma_and_complex_default_format(std::istream *is, Base
   assert (parIn->Type() != GDL_STRING);
 
   bool debug = false;
+  if (debug) std::cout << "the raw full input (2):" << is << std::endl;
 
-  // for Complex, compting cases is complex since (12) eq (12,12) eq 12 ... count 1
+  // for Complex, counting cases is complex since (12) eq (12,12) eq 12 ... count 1
   int flag_cplx = 0;
   if ((parIn->Type() == GDL_COMPLEX) || (parIn->Type() == GDL_COMPLEXDBL)) flag_cplx = 1;
-  //      int open_brace=0;
-  //int loop=0;
+  SizeT NToTransfer=parIn->N_Elements();
+  if (parIn->Type() == GDL_STRUCT) NToTransfer=parIn->ToTransfer();
+
 
   std::stringstream temp;
   char c;
   int loop = 0;
   int open_brace = 0;
   //repeat as many elements necessary, but no more!
   //for (SizeT ielem=0; ielem < (*par)->N_Elements(); ++ielem ) {
-  if (debug) std::cout << "nb elems : " << parIn->N_Elements() << std::endl;
+  if (debug) std::cout << "nb elems : " << NToTransfer << std::endl;
 
-  for (int ielem = 0; ielem < parIn->N_Elements(); ++ielem) {
+  for (int ielem = 0; ielem < NToTransfer; ++ielem) {
 
 	loop++;
 	while (is->get(c)) { //remove starting blanks, commas, tabs, newlines
@@ -149,7 +150,7 @@ std::stringstream accept_comma_and_complex_default_format(std::istream *is, Base
 	temp.put(' '); //put a spearator between values
 
 	// this is a security if the input is really badly formatted 
-	if (loop > 5 * parIn->N_Elements()) break;
+	if (loop > 5 * NToTransfer) break;
 
   } // for loop
 

testsuite/test_reads.pro

@@ -454,6 +454,33 @@ if ~ICI_ARRAY_EQUAL(expected_f, f, debug=debug) then ERRORS_ADD, errors, 'case m
 
 
 
+; ----- final ----
+;
+BANNER_FOR_TESTSUITE, 'TEST_READS_MIXING_TYPES', errors, /status
+ERRORS_CUMUL, cumul_errors, errors
+;
+if KEYWORD_SET(test) then STOP
+;
+end
+;
+; -------------------------------------
+;
+pro TEST_READSTRUCT, cumul_errors, help=help, verbose=verbose, no_exit=no_exit, test=test
+errors=0
+;
+  rcd = {index: 0l, $
+         catalogue: 0l, $
+         date: 0.d}
+
+expected={index: 9l, $
+         catalogue: 145l, $
+         date: 97843.973284d}
+
+;
+data='9 145 97843.973284'
+READS,data, rcd
+; problem #1970 was that even the first structure read was not filled correctly.
+if  ~ICI_ARRAY_EQUAL(expected.date, rcd.date, debug=debug) then ERRORS_ADD, errors, 'case read structure'
 ; ----- final ----
 ;
 BANNER_FOR_TESTSUITE, 'TEST_READS_MIXING_TYPES', errors, /status
@@ -488,6 +515,7 @@ TEST_READS_STRING, errors, verbose=verbose, test=test
 TEST_READS_MIXED, errors, verbose=verbose, test=test
 ;
 TEST_READS_MIXING_TYPES, errors, verbose=verbose, test=test
+TEST_READSTRUCT, errors, verbose=verbose, test=test
 ;
 ; ----------------- final message ----------
 ;