new service interface stream

serviceinterface/ServiceInterfaceBuffer.h

@@ -1,6 +1,7 @@
 #ifndef FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACEBUFFER_H_
 #define FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACEBUFFER_H_
 
+#include <framework/returnvalues/HasReturnvaluesIF.h>
 #include <iostream>
 #include <sstream>
 #include <iomanip>
@@ -33,18 +34,20 @@ protected:
 	//! for example when std::endl is put to stream.
 	int sync(void) override;
 
+	bool isBuffered() const;
 private:
 	//! For additional message information
 	std::string logMessage;
+	std::string preamble;
 	// For EOF detection
 	typedef std::char_traits<char> Traits;
 	//! This is useful for some terminal programs which do not have
 	//! implicit carriage return with newline characters.
 	bool addCrToPreamble;
-	bool buffered;
+
 	//! This specifies to print to stderr and work in unbuffered mode.
 	bool errStream;
-
+	bool buffered;
 	// Work in buffer mode. It is also possible to work without buffer.
 	static size_t const BUF_SIZE = 128;
 	char buf[BUF_SIZE];
@@ -52,39 +55,12 @@ private:
 	//! In this function, the characters are parsed.
 	void putChars(char const* begin, char const* end);
 
-	std::string getPreamble();
-
-	/**
-	 * This helper function returns the zero padded string version of a number.
-	 * The type is deduced automatically.
-	 * @tparam T
-	 * @param num
-	 * @param width
-	 * @return
-	 */
-	template<typename T>
-	std::string zero_padded(const T& num, uint8_t width) {
-	    std::ostringstream string_to_pad;
-	    string_to_pad << std::setw(width) << std::setfill('0') << num;
-	    std::string result = string_to_pad.str();
-	    if (result.length() > width)
-	    {
-	        result.erase(0, result.length() - width);
-	    }
-	    return result;
-	}
+	std::string getPreamble(size_t * preambleSize = nullptr);
 };
 
 #endif
 
 
-
-
-
-
-
-
-
 #ifdef UT699
 class ServiceInterfaceBuffer: public std::basic_streambuf<char,
 		std::char_traits<char> > {