- Fixed bug in serialization which caused threads to be saved with a "lats-for" field of 0

- Added some comments to the string_to code

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@956 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/string_utils.cc

@@ -51,6 +51,8 @@ namespace sgpem
     if (tokens.size() != 1)
       throw domain_error(_("too few or too many tokens"));
 
+    // use the token, not the string, so whitespaces at the end of the string are
+    // not considered errors by the last test
     istringstream iss(tokens[0]);
     T result;
     
@@ -65,10 +67,10 @@ namespace sgpem
       throw domain_error(e.what());
     }
 
-    // disable exceptions, otherwise peek() will throw them!
-    // how useless!!!
+    // disable exceptions, otherwise peek() will throw them on eof!
     iss.exceptions(ios_base::goodbit);
 
+    // check if there is still stuff in the stream, there shouldn't
     if (iss.peek() != istringstream::traits_type::eof())
       throw domain_error(_("incorrect number format"));
 
@@ -85,6 +87,8 @@ namespace sgpem
     if (tokens.size() != 1)
       throw domain_error(_("too few or too many tokens"));
 
+    // use the token, not the string, so whitespaces at the end of the string are
+    // not considered errors by the last test
     istringstream iss(tokens[0]);
     bool value;
     
@@ -99,10 +103,10 @@ namespace sgpem
       throw domain_error(e.what());
     }
 
-    // disable exceptions, otherwise peek() will throw them!
-    // how useless!!!
+    // disable exceptions, otherwise peek() will throw them on eof!
     iss.exceptions(ios_base::goodbit);
 
+    // check if there is still stuff in the stream, there shouldn't
     if (iss.peek() != istringstream::traits_type::eof())
       throw domain_error(_("incorrect boolean"));