Lexer: Added ::wasQuoted

src/Lexer.cpp

@@ -304,6 +304,17 @@ std::string Lexer::dequote (const std::string& input, const std::string& quotes)
   return input;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+// Detects characters in an input string that indicate quotes were required, or
+// escapes, to get them past the shell.
+bool Lexer::wasQuoted (const std::string& input)
+{
+  if (input.find_first_of (" \t()<>&~") != std::string::npos)
+    return true;
+
+  return false;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 bool Lexer::isEOS () const
 {

src/Lexer.h

@@ -61,6 +61,7 @@ public:
   static bool isBoundary                     (int, int);
   static bool isHardBoundary                 (int, int);
   static bool isPunctuation                  (int);
+  static bool wasQuoted                      (const std::string&);
   static bool readWord                       (const std::string&, const std::string&, std::string::size_type&, std::string&);
   static bool readWord                       (const std::string&, std::string::size_type&, std::string&);
   static int hexToInt                        (int);