Sample update

- ExtractTables CSV format fix
- AddComments exceptions

Author: jozefbaranec

src/AddComment.hpp

@@ -47,6 +47,8 @@ void AddComment(
     throw std::runtime_error(pdfix->GetError());
 
   PdfPage* page = doc->AcquirePage(0);
+  if (!page)
+    throw std::runtime_error(pdfix->GetError());
   PdfRect crop_box;
   page->GetCropBox(&crop_box);
 
@@ -58,6 +60,8 @@ void AddComment(
   annot_rect.top = (crop_box.top + crop_box.bottom) / 2. + 10;
 
   PdfTextAnnot* annot = page->AddTextAnnot(-1, &annot_rect);
+  if (!annot)
+    throw std::runtime_error(pdfix->GetError());
   annot->SetAuthor(L"Peter Brown");
   annot->SetContents(L"This is my comment.");
   annot->AddReply(L"Mark Fish", L"This is some reply.");

src/ExtractTables.hpp

@@ -79,15 +79,15 @@ void SaveTable(PdeElement* element, std::wstring save_path, int& table_index) {
             if (child && (child->GetType() == kPdeText)) {
               GetText(child, ofs, false);
             }
-            if (i < count) {
+            if (i < count - 1) {
               ofs << " ";
             }
           }
           ofs << "\"";
         }
 
         if (col < col_count)
-          ofs << std::endl;
+          ofs << ",";
       }
       if (row < row_count)
         ofs << std::endl;