Makefile and mains

Makefile

@@ -1,6 +1,6 @@
 CC=g++
 LDFLAGS=
-CFLAGS=-Wall -Wextra -O -std=c++17
+CFLAGS=-Wall -Wextra -O -std=c++17 -lboost_program_options
 
 STATE=debug
 
@@ -22,10 +22,18 @@ crypt: $(OBJ)main.o $(OBJ)Crypt.o
 	@echo "\nCompilation de \033[0;36m $@ \033[0m"
 	$(CC) -o $(BIN)$@ $^ $(LDFLAGS)
 
+debug: $(OBJ)main_debug.o $(OBJ)Crypt.o $(OBJ)Test.o  
+	@echo "\nCompilation de \033[0;36m $@ \033[0m"
+	$(CC) -o $(BIN)$@ $^ $(LDFLAGS)
+
 $(OBJ)main.o: main.cpp
 	@echo "\nCompilation de \033[0;36m $@ \033[0m"
 	$(CC) -o $@ -c $^ $(CFLAGS)
 
+$(OBJ)main_debug.o: main_debug.cpp
+	@echo "\nCompilation de \033[0;36m $@ \033[0m"
+	$(CC) -o $@ -c $^ $(CFLAGS)
+
 $(OBJ)%.o: $(SRC)%.cpp $(INCLUDE)%.h
 	@echo "\nCompilation de \033[0;36m $@ \033[0m"
 	@$(CC) -o $@ -c $< $(CFLAGS)

main.cpp

@@ -1,8 +1,9 @@
 #include <iostream>
+#include <string>
 #include "include/Crypt.h"
 
-const char START = 'a';
-const char END = 'z';
+char START = 'a';
+char END = 'z';
 
 /**
  @brief Take a string on command line argument to encrypt it. For vigenere encnyption, the text is encrypted with itself as a key
@@ -10,10 +11,22 @@ const char END = 'z';
 int main( int argc, char* argv[]  )
 {
   std::string txt = argv[1] ;
+  
+  if( argc < 1 ){
+    std::cout << "Missing argument : need sentance to encrypt" << std::endl;
+    return 0;
+  }
+  if( argc > 1 ){
+    START = argv[2][0] ;
+  }
+  if( argc > 2 ){
+    END = argv[3][0] ;
+  }
+  std::cout << "start, end :" << START << " " << END << std::endl;
   std::cout << "to encrypt :" << txt << std::endl;
-  std::cout << "code cesar :" <<  Crypt::cesar(txt, 3 ) << std::endl ;
-  std::cout << "code vigenere :" << Crypt::vigenere(txt, txt ) << std::endl ;
-  std::cout << "code atbash :" << Crypt::atbash( txt ) << std::endl ;
+  std::cout << "code cesar :" <<  Crypt::cesar(txt, 3, START, END ) << std::endl ;
+  std::cout << "code vigenere :" << Crypt::vigenere(txt, txt, START, END ) << std::endl ;
+  std::cout << "code atbash :" << Crypt::atbash( txt, START, END ) << std::endl ;
   
   return 0;
 }