rtc: rtcInputHandler.h Source File

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00001 /*
00002  * Copyright (C) 2009
00003  * Robert Bosch LLC
00004  * Research and Technology Center North America
00005  * Palo Alto, California
00006  *
00007  * All rights reserved.
00008  *
00009  *------------------------------------------------------------------------------
00010  * project ....: Autonomous Technologies
00011  * file .......: rtcInputHandler.h
00012  * authors ....: Benjamin Pitzer
00013  * organization: Robert Bosch LLC
00014  * creation ...: 01/20/2009
00015  * modified ...: $Date: 2009-03-20 11:36:51 -0700 (Fri, 20 Mar 2009) $
00016  * changed by .: $Author: wg75pal $
00017  * revision ...: $Revision: 105 $
00018  */
00019 #ifndef RTC_INPUT_HANDLER_H
00020 #define RTC_INPUT_HANDLER_H
00021 
00022 //== INCLUDES ==================================================================
00023 #include <string>
00024 #include <iostream>
00025 
00026 //== NAMESPACES ================================================================
00027 namespace rtc {
00028 
00039 class InputHandler {
00040 public:
00042   InputHandler();
00044   InputHandler(std::istream& is);
00046   virtual ~InputHandler();
00048   virtual bool binary() const = 0;
00050   virtual void use(std::istream& is);
00052   virtual bool readName(const std::string& name) = 0;
00054   virtual bool readSeparator() = 0;
00056 
00059   virtual bool read(std::string& data) = 0;
00060   virtual bool read(double& data) = 0;
00061   virtual bool read(float& data) = 0;
00062   virtual bool read(int& data) = 0;
00063   virtual bool read(unsigned int& data) = 0;
00064   virtual bool read(char& data) = 0;
00065   virtual bool read(unsigned char& data) = 0;
00066   virtual bool read(bool& data) = 0;
00067   virtual bool read(long& data) = 0;
00068   virtual bool read(unsigned long& data) = 0;
00069   virtual bool read(short& data) = 0;
00070   virtual bool read(unsigned short& data) = 0;
00071   virtual bool read(char* data, long n) = 0;
00073 
00074   std::istream& stream();
00076   bool good() const;
00077 protected:
00079   std::istream* inStream;
00080 };
00081 
00085 template <class T>
00086 bool rtc_read(InputHandler& ih, const std::string& name, T& data)
00087 {
00088   bool res = true;
00089   res = res && ih.readName(name);
00090   res = res && ih.readSeparator();
00091   if(ih.binary())
00092     res = res && ih.read(data);
00093   else
00094     ih.stream() >> data;
00095   return res;
00096 };
00097 
00098 //==============================================================================
00099 } // namespace rtc
00100 //==============================================================================
00101 #endif // RTC_INPUT_HANDLER_H defined
00102 //==============================================================================
00103