1 files changed, 57 insertions, 0 deletions
diff --git a/lib/Data/QRCode/Types.pm b/lib/Data/QRCode/Types.pm
new file mode 100644
index 0000000..3c5eec7
--- /dev/null
+++ b/lib/Data/QRCode/Types.pm
@@ -0,0 +1,57 @@
+package Data::QRCode::Types;
+use Type::Library
+    -base,
+    -declare => qw( QRCodeEC QRCodeMode );
+use Type::Utils -all;
+use Types::Standard qw(Int Str);
+use Data::QRCode::Input;
+use Carp;
+
+my %letter_for_ec = (
+    Data::QRCode::Input::ECLEVEL_L() => 'L',
+    Data::QRCode::Input::ECLEVEL_M() => 'M',
+    Data::QRCode::Input::ECLEVEL_Q() => 'Q',
+    Data::QRCode::Input::ECLEVEL_H() => 'H',
+);
+my %ec_for_letter = reverse %letter_for_ec;
+
+declare QRCodeEC,
+    as Int,
+    where { $letter_for_ec{$_} },
+    message { Int->validate($_) or "$_ is not a valid raw QR error correction level, acceptable values are @{[ sort keys %letter_for_ec ]}" };
+
+coerce QRCodeEC,
+    from Str,
+    via {
+        return $_ if /^[0-9]+$/;
+        $ec_for_letter{uc($_)}
+            || croak "$_ is not a valid simbolic QR error correction level, acceptable values are @{[ sort keys %ec_for_letter ]}";
+    };
+
+my %name_for_mode = (
+    Data::QRCode::Input::MODE_NUM() => 'NUM',
+    Data::QRCode::Input::MODE_AN() => 'AN',
+    Data::QRCode::Input::MODE_8() => '8BIT',
+    Data::QRCode::Input::MODE_KANJI() => 'KANJI',
+    Data::QRCode::Input::MODE_STRUCTURE() => 'STRUCTURE',
+    Data::QRCode::Input::MODE_ECI() => 'ECI',
+    Data::QRCode::Input::MODE_FNC1FIRST() => 'FNC1FIRST',
+    Data::QRCode::Input::MODE_FNC1SECOND() => 'FNC1SECOND',
+);
+my %mode_for_name = reverse %name_for_mode;
+
+declare QRCodeMode,
+    as Int,
+    where { $name_for_mode{$_} },
+    message { Int->validate($_) or "$_ is not a valid raw QR error data mode, acceptable values are @{[ sort keys %name_for_mode ]}" };
+
+coerce QRCodeMode,
+    from Str,
+    via {
+        return $_ if /^[0-9]+$/;
+        $mode_for_name{uc($_)}
+            || croak "$_ is not a valid simbolic QR data mode, acceptable values are @{[ sort keys %mode_for_name ]}";
+    };
+
+1;
+