From 5000060b04bed23cbbd88ba43ed546220c4b7c69 Mon Sep 17 00:00:00 2001
From: whiteshark0 <whiteshark0@b956fd51-792f-4845-bead-9b4dfca2ff2c>
Date: Tue, 2 Nov 2010 12:51:22 +0000
Subject: create experimental songmanagement branch   - nicer abstraction of
 songs   - split songloading from handling songs   - cleanup singscreen

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@2706 b956fd51-792f-4845-bead-9b4dfca2ff2c
---
 songmanagement/src/encoding/UTF8.inc | 70 ++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 songmanagement/src/encoding/UTF8.inc

(limited to 'songmanagement/src/encoding/UTF8.inc')

diff --git a/songmanagement/src/encoding/UTF8.inc b/songmanagement/src/encoding/UTF8.inc
new file mode 100644
index 00000000..43eacfbd
--- /dev/null
+++ b/songmanagement/src/encoding/UTF8.inc
@@ -0,0 +1,70 @@
+{* 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.
+ *
+ * $URL$
+ * $Id$
+ *}
+
+{*
+ * UTF-8
+ *}
+
+type
+  TEncoderUTF8 = class(TEncoder)
+  public
+    function GetName(): AnsiString; override;
+    function Encode(const InStr: UCS4String; out OutStr: AnsiString): boolean; override;
+    function Decode(const InStr: AnsiString; out OutStr: UCS4String): boolean; override;
+  end;
+
+function TEncoderUTF8.GetName(): AnsiString;
+begin
+  Result := 'UTF8';
+end;
+
+function TEncoderUTF8.Decode(const InStr: AnsiString; out OutStr: UCS4String): boolean;
+var
+  I: integer;
+  StrPtr: PAnsiChar;
+begin
+  // UTF8Decode() may crash with FPC < 2.2.2 if the input string is not UTF-8
+  // encoded. Newer versions do not crash but do not signal errors either.
+  // So let's implement this stuff again.
+  Result := true;
+  SetLength(OutStr, Length(InStr)+1);
+  I := 0;
+  StrPtr := PChar(InStr);
+  while (StrPtr^ <> #0) do
+  begin
+    if (not NextCharUTF8(StrPtr, OutStr[I])) then
+      Result := false;;
+    Inc(I);
+  end;
+  SetLength(OutStr, I+1);
+  OutStr[High(OutStr)] := 0;
+end;
+
+function TEncoderUTF8.Encode(const InStr: UCS4String; out OutStr: AnsiString): boolean;
+begin
+  OutStr := UCS4ToUTF8String(InStr);
+  Result := true;
+end;
+
-- 
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