ENH: allow alternative delimiter for getLine. Default: '\n'

src/OpenFOAM/db/IOstreams/Sstreams/ISstream.H

@@ -137,7 +137,7 @@ public:
             inline int peek();
 
             //- Raw, low-level getline into a string function.
-            inline ISstream& getLine(std::string& str);
+            inline ISstream& getLine(std::string& str, char delim = '\n');
 
             //- Raw, low-level putback character function.
             inline ISstream& putback(const char c);

src/OpenFOAM/db/IOstreams/Sstreams/ISstreamI.H

@@ -74,11 +74,15 @@ inline int Foam::ISstream::peek()
 }
 
 
-inline Foam::ISstream& Foam::ISstream::getLine(std::string& str)
+inline Foam::ISstream& Foam::ISstream::getLine(std::string& str, char delim)
 {
-    std::getline(is_, str);
+    std::getline(is_, str, delim);
     setState(is_.rdstate());
-    ++lineNumber_;
+
+    if (delim == '\n')
+    {
+        ++lineNumber_;
+    }
 
     return *this;
 }