- fixed redundant space at the end of GetLnStr()

- added test file TestData.zip in tutorials
- added reading by field in demo-TSsParser.cpp

Author: roks

.gitignore

@@ -55,6 +55,7 @@ tutorials/*
 !tutorials/Makefile
 !tutorials/cncom
 !tutorials/graphviz
+!tutorials/parser
 tutorials/.DS_Store
 tutorials/*.dSYM
 benchmarking/*.dat

glib-core/ss.h

@@ -100,7 +100,7 @@ ClassTP(TSsParser, PSsParser)//{
   /// Checks for end of file.
   bool Eof() const { return FInPt->Eof(); }
   /// Returns the current line
-  TChA GetLnStr() const { TChA LnOut;  for (int i = 0; i < Len(); i++) { LnOut+=GetFld(i); LnOut+=' '; }  return LnOut; }
+  TChA GetLnStr() const { TChA LnOut;  for (int i = 0; i < Len(); i++) { LnOut+=GetFld(i); LnOut+=' '; }  if (LnOut.Len() > 0) LnOut.DelLastCh();  return LnOut; }
   /// Transforms the current line to lower case.
   void ToLc();
 

glib-core/ssmp.h

@@ -39,7 +39,7 @@ ClassTP(TSsParserMP, PSsParserMP)//{
   /// Checks for end of file.
   bool Eof() const { return FInPt->Eof(); }
   /// Returns the current line
-  TChA GetLnStr() const { TChA LnOut;  for (int i = 0; i < Len(); i++) { LnOut+=GetFld(i); LnOut+=' '; }  return LnOut; }
+  TChA GetLnStr() const { TChA LnOut;  for (int i = 0; i < Len(); i++) { LnOut+=GetFld(i); LnOut+=' '; }  if (LnOut.Len() > 0) LnOut.DelLastCh();  return LnOut; }
   /// Transforms the current line to lower case.
   void ToLc();
 

tutorials/demo-TSsParser.cpp

@@ -1,12 +1,34 @@
 #include "Snap.h"
 
-int main(int argc, const char * argv[]) {
-  TSsParser Ss("TestData3.zip", ssfCommaSep);
+//
+// short demo code for the TSsParser (spreadsheet parser) class
+//
+
+void ReadByField() {
+  int LnCnt;
+
+  TSsParser Ss("parser/TestData.zip", ssfCommaSep);
+
+  LnCnt = 0;
+  while (Ss.Next()) {
+    LnCnt++;
+    for (int i = 0; i < Ss.Len(); i++) {
+      printf("line %2d, field %2d: %s\n", LnCnt, i+1, Ss[i]);
+    }
+  }
+}
+
+void ReadByLine() {
+  TSsParser Ss("parser/TestData.zip", ssfCommaSep);
 
   while (Ss.Next()) {
     printf("%s\n", Ss.GetLnStr().CStr());
   }
+}
 
+int main(int argc, const char * argv[]) {
+  ReadByField();
+  ReadByLine();
   return 0;
 }