Refactored the ansi_parser into a class that can be reused between render calls.

ansi_parser.cpp

@@ -87,26 +87,39 @@ static const int foo_en_main = 19;
 
 #line 84 "ansi_parser.rl"
 
-bool parse_ansi(std::wstring_view codes, sf::Color default_fg, sf::Color default_bg, WriteCB write) {
+
+ANSIParser::ANSIParser(sf::Color default_fg, sf::Color default_bg) :
+  $default_fg(default_fg),
+  $default_bg(default_bg)
+{
+
+}
+
+bool ANSIParser::parse(const std::string &screen, WriteCB write) {
+  std::wstring screen_utf8 = $converter.from_bytes(screen);
+  return parse(screen_utf8, write);
+}
+
+bool ANSIParser::parse(std::wstring_view codes, WriteCB write) {
   const wchar_t *start = NULL;
   int cs = 0;
   unsigned int value = 0;
   const wchar_t *p = codes.data();
   const wchar_t *pe = p + codes.size();
   const wchar_t *eof = pe;
-  sf::Color bgcolor(default_bg);
-  sf::Color color(default_fg);
+  sf::Color bgcolor($default_bg);
+  sf::Color color($default_fg);
   sf::Color &target = color;
 
   
-#line 94 "ansi_parser.cpp"
+#line 107 "ansi_parser.cpp"
 	{
 	cs = foo_start;
 	}
 
-#line 97 "ansi_parser.rl"
+#line 110 "ansi_parser.rl"
   
-#line 97 "ansi_parser.cpp"
+#line 110 "ansi_parser.cpp"
 	{
 	int _klen;
 	unsigned int _trans;
@@ -233,11 +246,11 @@ _match:
 	break;
 	case 6:
 #line 52 "ansi_parser.rl"
-	{ color = default_fg; }
+	{ color = $default_fg; }
 	break;
 	case 7:
 #line 53 "ansi_parser.rl"
-	{ bgcolor = default_bg; }
+	{ bgcolor = $default_bg; }
 	break;
 	case 8:
 #line 55 "ansi_parser.rl"
@@ -259,7 +272,7 @@ _match:
 #line 59 "ansi_parser.rl"
 	{ }
 	break;
-#line 236 "ansi_parser.cpp"
+#line 249 "ansi_parser.cpp"
 		}
 	}
 
@@ -279,7 +292,7 @@ _again:
 #line 59 "ansi_parser.rl"
 	{ }
 	break;
-#line 254 "ansi_parser.cpp"
+#line 267 "ansi_parser.cpp"
 		}
 	}
 	}
@@ -287,7 +300,7 @@ _again:
 	_out: {}
 	}
 
-#line 98 "ansi_parser.rl"
+#line 111 "ansi_parser.rl"
 
   return p - pe == 0;
 }