From b38772ffdbcc6bf2189d0e14a9828f911ea44a7d Mon Sep 17 00:00:00 2001
From: tobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c>
Date: Sat, 21 Mar 2009 19:25:18 +0000
Subject: new branch for whiteshark's service and hook based (party) plugins

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@1643 b956fd51-792f-4845-bead-9b4dfca2ff2c
---
 ServiceBasedPlugins/src/base/UTextEncoding.pas | 147 +++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 ServiceBasedPlugins/src/base/UTextEncoding.pas

(limited to 'ServiceBasedPlugins/src/base/UTextEncoding.pas')

diff --git a/ServiceBasedPlugins/src/base/UTextEncoding.pas b/ServiceBasedPlugins/src/base/UTextEncoding.pas
new file mode 100644
index 00000000..6eec8eec
--- /dev/null
+++ b/ServiceBasedPlugins/src/base/UTextEncoding.pas
@@ -0,0 +1,147 @@
+{* 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: https://ultrastardx.svn.sourceforge.net/svnroot/ultrastardx/trunk/src/menu/UMenuText.pas $
+ * $Id: UMenuText.pas 1485 2008-10-28 20:16:05Z tobigun $
+ *}
+
+unit UTextEncoding;
+
+interface
+
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses
+  SysUtils;
+
+type
+  TEncoding = (encCP1250, encCP1252, encUTF8, encNative);
+
+function RecodeString(const Src: string; SrcEncoding: TEncoding): WideString;
+
+implementation
+
+type
+  TConversionTable = array[0..127] of WideChar;
+
+const
+  // Windows-1250 Central/Eastern Europe (used by Ultrastar)
+  CP1250Table: TConversionTable = (
+    { $80 }
+    #$20AC,     #0, #$201A,     #0, #$201E, #$2026, #$2020, #$2021,
+        #0, #$2030, #$0160, #$2039, #$015A, #$0164, #$017D, #$0179,
+    { $90 }
+        #0, #$2018, #$2019, #$201C, #$201D, #$2022, #$2013, #$2014,
+        #0, #$2122, #$0161, #$203A, #$015B, #$0165, #$017E, #$017A,
+    { $A0 }
+    #$00A0, #$02C7, #$02D8, #$0141, #$00A4, #$0104, #$00A6, #$00A7,
+    #$00A8, #$00A9, #$015E, #$00AB, #$00AC, #$00AD, #$00AE, #$017B,
+    { $B0 }
+    #$00B0, #$00B1, #$02DB, #$0142, #$00B4, #$00B5, #$00B6, #$00B7,
+    #$00B8, #$0105, #$015F, #$00BB, #$013D, #$02DD, #$013E, #$017C,
+    { $C0 }
+    #$0154, #$00C1, #$00C2, #$0102, #$00C4, #$0139, #$0106, #$00C7,
+    #$010C, #$00C9, #$0118, #$00CB, #$011A, #$00CD, #$00CE, #$010E,
+    { $D0 }
+    #$0110, #$0143, #$0147, #$00D3, #$00D4, #$0150, #$00D6, #$00D7,
+    #$0158, #$016E, #$00DA, #$0170, #$00DC, #$00DD, #$0162, #$00DF,
+    { $E0 }
+    #$0155, #$00E1, #$00E2, #$0103, #$00E4, #$013A, #$0107, #$00E7,
+    #$010D, #$00E9, #$0119, #$00EB, #$011B, #$00ED, #$00EE, #$010F,
+    { $F0 }
+    #$0111, #$0144, #$0148, #$00F3, #$00F4, #$0151, #$00F6, #$00F7,
+    #$0159, #$016F, #$00FA, #$0171, #$00FC, #$00FD, #$0163, #$02D9
+  );
+
+  // Windows-1252 Western Europe (used by UltraStar Deluxe < 1.1)
+  CP1252Table: TConversionTable = (
+    { $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,
+    { $A0 }
+    #$00A0, #$00A1, #$00A2, #$00A3, #$00A4, #$00A5, #$00A6, #$00A7,
+    #$00A8, #$00A9, #$00AA, #$00AB, #$00AC, #$00AD, #$00AE, #$00AF,
+    { $B0 }
+    #$00B0, #$00B1, #$00B2, #$00B3, #$00B4, #$00B5, #$00B6, #$00B7,
+    #$00B8, #$00B9, #$00BA, #$00BB, #$00BC, #$00BD, #$00BE, #$00BF,
+    { $C0 }
+    #$00C0, #$00C1, #$00C2, #$00C3, #$00C4, #$00C5, #$00C6, #$00C7,
+    #$00C8, #$00C9, #$00CA, #$00CB, #$00CC, #$00CD, #$00CE, #$00CF,
+    { $D0 }
+    #$00D0, #$00D1, #$00D2, #$00D3, #$00D4, #$00D5, #$00D6, #$00D7,
+    #$00D8, #$00D9, #$00DA, #$00DB, #$00DC, #$00DD, #$00DE, #$00DF,
+    { $E0 }
+    #$00E0, #$00E1, #$00E2, #$00E3, #$00E4, #$00E5, #$00E6, #$00E7,
+    #$00E8, #$00E9, #$00EA, #$00EB, #$00EC, #$00ED, #$00EE, #$00EF,
+    { $F0 }
+    #$00F0, #$00F1, #$00F2, #$00F3, #$00F4, #$00F5, #$00F6, #$00F7,
+    #$00F8, #$00F9, #$00FA, #$00FB, #$00FC, #$00FD, #$00FE, #$00FF
+  );
+
+
+function Convert(const Src: string; const Table: TConversionTable): WideString;
+var
+  SrcPos, DstPos: integer;
+begin
+  SetLength(Result, Length(Src));
+  DstPos := 1;
+  for SrcPos := 1 to Length(Src) do
+  begin
+    if (Src[SrcPos] < #128) then
+    begin
+      // copy ASCII char
+      Result[DstPos] := Src[SrcPos];
+      Inc(DstPos);
+    end
+    else
+    begin
+      // look-up char
+      Result[DstPos] := Table[Ord(Src[SrcPos]) - 128];
+      // ignore invalid characters
+      if (Result[DstPos] <> #0) then
+        Inc(DstPos);
+    end;
+  end;
+  SetLength(Result, DstPos-1);
+end;
+
+function RecodeString(const Src: string; SrcEncoding: TEncoding): WideString;
+begin
+  case SrcEncoding of
+    encCP1250:
+      Result := Convert(Src, CP1250Table);
+    encCP1252:
+      Result := Convert(Src, CP1252Table);
+    encUTF8:
+      Result := UTF8Decode(Src);
+    encNative:
+      Result := UTF8Decode(AnsiToUtf8(Src));
+  end;
+end;
+
+end.
-- 
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