Optionally colorful errors

src/pretty.cc

@@ -0,0 +1,45 @@
+#include <musique.hh>
+
+namespace starters
+{
+	static std::string_view Error;
+	static std::string_view Path;
+	static std::string_view Comment;
+	static std::string_view End;
+}
+
+std::ostream& pretty::begin_error(std::ostream& os)
+{
+	return os << starters::Error;
+}
+
+std::ostream& pretty::begin_path(std::ostream& os)
+{
+	return os << starters::Path;
+}
+
+std::ostream& pretty::begin_comment(std::ostream& os)
+{
+	return os << starters::Comment;
+}
+
+std::ostream& pretty::end(std::ostream& os)
+{
+	return os << starters::End;
+}
+
+void pretty::terminal_mode()
+{
+	starters::Error    = "\x1b[31;1m";
+	starters::Path     = "\x1b[34;1m";
+	starters::Comment  = "\x1b[30;1m";
+	starters::End      = "\x1b[0m";
+}
+
+void pretty::no_color_mode()
+{
+	starters::Error   = {};
+	starters::Path    = {};
+	starters::Comment = {};
+	starters::End     = {};
+}