1 files changed, 122 insertions, 0 deletions
diff --git a/src/encoding/CP1252.inc b/src/encoding/CP1252.inc
new file mode 100644
index 00000000..f7d3f8ea
--- /dev/null
+++ b/src/encoding/CP1252.inc
@@ -0,0 +1,122 @@
+{* UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *}
+
+{*
+ * Windows-1252 Western Europe
+ * (used by UltraStar Deluxe < 1.1)
+ *}
+
+type
+  TEncoderCP1252 = class(TSingleByteEncoder)
+  public
+    function GetName(): AnsiString; override;
+    function DecodeChar(InChr: AnsiChar; out OutChr: UCS4Char): boolean; override;
+    function EncodeChar(InChr: UCS4Char; out OutChr: AnsiChar): boolean; override;
+  end;
+
+function TEncoderCP1252.GetName(): AnsiString;
+begin
+  Result := 'CP1252';
+end;
+
+const
+  // Positions marked as #0 are invalid.
+  CP1252Table: array[128..159] of UCS4Char = (
+    { $80 }
+    $20AC,     0, $201A, $0192, $201E, $2026, $2020, $2021,
+    $02C6, $2030, $0160, $2039, $0152,     0, $017D,     0,
+    { $90 }
+        0, $2018, $2019, $201C, $201D, $2022, $2013, $2014,
+    $02DC, $2122, $0161, $203A, $0153,     0, $017E, $0178
+  );
+
+function TEncoderCP1252.DecodeChar(InChr: AnsiChar; out OutChr: UCS4Char): boolean;
+begin
+  Result := true;
+  if (InChr < #128) or (InChr >= #160) then
+    OutChr := UCS4Char(Ord(InChr)) // use Ord() to avoid automatic conversion
+  else
+  begin
+    OutChr := CP1252Table[Ord(InChr)];
+    if (OutChr = 0) then
+    begin
+      Result := false;
+      OutChr := Ord(ERROR_CHAR);
+    end;
+  end;
+end;
+
+function TEncoderCP1252.EncodeChar(InChr: UCS4Char; out OutChr: AnsiChar): boolean;
+begin
+  if (InChr < 128) or ((InChr >= 160) and (InChr <= 255)) then
+  begin
+    OutChr := AnsiChar(Ord(InChr));
+    Result := true;
+  end
+  else
+  begin
+    case InChr of
+      $20AC: OutChr := #128;
+      // invalid: #129
+      $201A: OutChr := #130;
+      $0192: OutChr := #131;
+      $201E: OutChr := #132;
+      $2026: OutChr := #133;
+      $2020: OutChr := #134;
+      $2021: OutChr := #135;
+      $02C6: OutChr := #136;
+      $2030: OutChr := #137;
+      $0160: OutChr := #138;
+      $2039: OutChr := #139;
+      $0152: OutChr := #140;
+      // invalid: #141
+      $017D: OutChr := #142;
+      // invalid: #143
+      // invalid: #144
+      $2018: OutChr := #145;
+      $2019: OutChr := #146;
+      $201C: OutChr := #147;
+      $201D: OutChr := #148;
+      $2022: OutChr := #149;
+      $2013: OutChr := #150;
+      $2014: OutChr := #151;
+      $02DC: OutChr := #152;
+      $2122: OutChr := #153;
+      $0161: OutChr := #154;
+      $203A: OutChr := #155;
+      $0153: OutChr := #156;
+      // invalid: #157
+      $017E: OutChr := #158;
+      $0178: OutChr := #159;
+      else begin
+        OutChr := ERROR_CHAR;
+        Result := false;
+        Exit;
+      end;
+    end;
+    Result := true;
+  end;
+end;
+