update bitparser:

-  now it's a subclass to configBitstreamParser
- use ifstream instead of FILE
- use a string to store data
- simplify header parse

bitparser.hpp

@@ -2,17 +2,18 @@
 #define BITPARSER_H
 
 #include <iostream>
+#include <fstream>
 
-class BitParser {
+#include "configBitstreamParser.hpp"
+
+class BitParser: public ConfigBitstreamParser {
 	public:
 		BitParser(std::string filename);
 		~BitParser();
 		int parse();
-		unsigned char *getData();
-		int getLength() {return file_length;}
 
 	private:
-		int parseField(unsigned char type, FILE *fd);
+		int parseField();
 		unsigned char reverseByte(unsigned char c);
 		std::string fieldA;
 		std::string part_name;
@@ -21,9 +22,6 @@ class BitParser {
 		std::string design_name;
 		std::string userID;
 		std::string toolVersion;
-		int file_length;
-		unsigned char *bit_data;
-		std::string _filename;
 };
 
 #endif