Support semicolon at the end of the console's local commands (#384)

* support semicolon in console command

* using while to determine the loop ending

src/console/CmdProcessor.cpp

@@ -312,7 +312,8 @@ void CmdProcessor::printData(const cpp2::ExecutionResponse& resp,
 
 bool CmdProcessor::processClientCmd(folly::StringPiece cmd,
                                     bool& readyToExit) {
-    if (cmd == "exit") {
+    normalize(cmd);
+    if (cmd == "exit" || cmd== "quit") {
         readyToExit = true;
         return true;
     } else {
@@ -381,6 +382,14 @@ bool CmdProcessor::process(folly::StringPiece cmd) {
     return true;
 }
 
+void CmdProcessor::normalize(folly::StringPiece &command) {
+    command  = folly::trimWhitespace(command);
+    while (command.endsWith(";")) {
+        command = command.subpiece(0, command.size() - 1);
+        command = folly::trimWhitespace(command);
+    }
+}
+
 }  // namespace graph
 }  // namespace nebula
 

src/console/CmdProcessor.h

@@ -45,6 +45,8 @@ private:
                    const std::string& rowLine,
                    const std::vector<size_t>& widths,
                    const std::vector<std::string>& formats) const;
+
+    void normalize(folly::StringPiece &command);
 };
 
 }  // namespace graph