fix(basen): basen::Exception

src/basen.cpp

@@ -41,7 +41,7 @@ namespace basen
         if (isatty(fileno(stdin)))
 #endif
         {
-            throw std::logic_error("basen::getPipe: should use pipe syntax");
+            throw std::logic_error("should use pipe syntax ( | or < )");
         }
         else
         {
@@ -60,8 +60,9 @@ namespace basen
     }
     uint8_t error(const std::string &str, argparse::ArgumentParser &program) noexcept
     {
-        std::cerr << str << '\n';
+        std::cerr << "\033[31merror:\t\033[0m"
-        std::cerr << program << '\n';
+                  << str << "\n\n"
+                  << program << '\n';
         return 1;
     }
 }
@@ -102,8 +103,10 @@ int main(int argc, char *argv[])
     }
     catch (const std::exception &e)
     {
-        return basen::error("should use pipe syntax ( | or < )", program);
+        return basen::error(e.what(), program);
     }
+    try
+    {
         if (program.is_used("-t"))
         {
             auto type = program.get<std::string>("-t");
@@ -124,14 +127,7 @@ int main(int argc, char *argv[])
         {
             auto alphabet = program.get<std::string>("-a");
             uint8_t map[256];
-        try
-        {
             baseN::digitsMap(alphabet.data(), alphabet.size(), map);
-        }
-        catch (const std::exception &e)
-        {
-            return basen::error("alphabet contains same characters", program);
-        }
             if (program.is_used("-d"))
             {
                 auto data = baseN::decode(str, alphabet.size(), alphabet.data(), map);
@@ -145,5 +141,10 @@ int main(int argc, char *argv[])
                 std::cout << baseN::encode(dv, alphabet.size(), alphabet.data()) << '\n';
             }
         }
+    }
+    catch (const basen::Exception &e)
+    {
+        return basen::error(e.message(), program);
+    }
     return 0;
 }