Adding a new converter for HKSCS (not part of the build), bug 25226, r=nhotta, ftang, sr=erik.

intl/uconv/ucvtw/nsBIG5HKSCSToUnicode.cpp

@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ * Gavin Ho
+ */
+
+#include "nsBIG5HKSCSToUnicode.h"
+#include "nsUCvTWDll.h"
+
+//----------------------------------------------------------------------
+// Global functions and data [declaration]
+
+
+static PRInt16 g_BIG5HKSCSShiftTable[] =  {
+  0, u2BytesCharset,
+  ShiftCell(0,0,0,0,0,0,0,0)
+};
+
+static PRInt16 g_ASCIIShiftTable[] =  {
+  0, u1ByteCharset,
+  ShiftCell(0,0,0,0,0,0,0,0)
+};
+
+static PRInt16 *g_BIG5HKSCSShiftTableSet [] = {
+
+  g_ASCIIShiftTable,
+  g_BIG5HKSCSShiftTable,
+  g_BIG5HKSCSShiftTable,
+  g_BIG5HKSCSShiftTable,
+  g_BIG5HKSCSShiftTable,
+  g_BIG5HKSCSShiftTable
+};
+
+static PRUint16 *g_BIG5HKSCSMappingTableSet [] ={
+  g_ASCIIMapping,
+  g_utBig5HKSCSMapping,
+  g_utBIG5Mapping,
+  g_utBig5HKSCSMapping,
+  g_utBIG5Mapping,
+  g_utBig5HKSCSMapping,
+};
+
+static uRange g_BIG5HKSCSRanges[] = {
+  { 0x00, 0x7E },
+  { 0x81, 0xA0 },
+  { 0xA1, 0xC6 },
+  { 0xC6, 0xC8 },
+  { 0xC9, 0xF9 },
+  { 0xF9, 0xFE }
+};
+
+//----------------------------------------------------------------------
+// Class nsBIG5HKSCSToUnicode [implementation]
+
+nsBIG5HKSCSToUnicode::nsBIG5HKSCSToUnicode()
+: nsMultiTableDecoderSupport(6,
+                            (uRange* ) &g_BIG5HKSCSRanges,
+                            (uShiftTable**) &g_BIG5HKSCSShiftTableSet,
+                            (uMappingTable**) &g_BIG5HKSCSMappingTableSet)
+{
+}
+
+
+//----------------------------------------------------------------------
+// Subclassing of nsMultiTableDecoderSupport class [implementation]
+
+NS_IMETHODIMP nsBIG5HKSCSToUnicode::GetMaxLength(const char * aSrc,
+                                              PRInt32 aSrcLength,
+                                              PRInt32 * aDestLength)
+{
+  // we are a single byte to Unicode converter, so...
+  *aDestLength = aSrcLength;
+  return NS_OK_UDEC_EXACTLENGTH;
+}

intl/uconv/ucvtw/nsBIG5HKSCSToUnicode.h

@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ * Gavin Ho
+ */
+
+#ifndef nsBIG5HKSCSToUnicode_h___
+#define nsBIG5HKSCSToUnicode_h___
+
+#include "nsUCvTWSupport.h"
+
+//----------------------------------------------------------------------
+// Class nsBIG5HKSCSToUnicode [declaration]
+
+/**
+ * A character set converter from BIG5-HKSCS to Unicode.
+ *
+ * @created         02/Jul/2000
+ * @author  Gavin Ho, Hong Kong Professional Services, Compaq Computer (Hong Kong) Ltd.
+ */
+class nsBIG5HKSCSToUnicode : public nsMultiTableDecoderSupport
+{
+public:
+
+  /**
+   * Class constructor.
+   */
+  nsBIG5HKSCSToUnicode();
+
+protected:
+
+  //--------------------------------------------------------------------
+  // Subclassing of nsDecoderSupport class [declaration]
+
+  NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength,
+      PRInt32 * aDestLength);
+};
+
+#endif /* nsBIG5HKSCSToUnicode_h___ */

intl/uconv/ucvtw/nsUnicodeToBIG5HKSCS.cpp

@@ -0,0 +1,74 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ * Gavin Ho
+ */
+
+#include "nsUnicodeToBIG5HKSCS.h"
+#include "nsUCvTWDll.h"
+
+//----------------------------------------------------------------------
+// Global functions and data [declaration]
+
+
+static PRUint16 gAsciiShiftTable[] =  {
+  0, u1ByteCharset,
+  ShiftCell(0,   0, 0, 0, 0, 0, 0, 0),
+};
+
+static PRUint16 gBig5HKSCSShiftTable[] =  {
+  0, u2BytesCharset,
+  ShiftCell(0,   0, 0, 0, 0, 0, 0, 0),
+};
+
+
+static PRUint16 *g_Big5HKSCSMappingTable[] = {
+  g_ASCIIMapping,
+  g_ufBig5Mapping,
+  g_ufBig5HKSCSMapping
+};
+
+static PRUint16 *g_Big5HKSCSShiftTable[] =  {
+  gAsciiShiftTable,
+  gBig5HKSCSShiftTable,
+  gBig5HKSCSShiftTable
+};
+
+//----------------------------------------------------------------------
+// Class nsUnicodeToBIG5HKSCS [implementation]
+
+nsUnicodeToBIG5HKSCS::nsUnicodeToBIG5HKSCS()
+: nsMultiTableEncoderSupport(3,
+                        (uShiftTable**) &g_Big5HKSCSShiftTable,
+                        (uMappingTable**) &g_Big5HKSCSMappingTable)
+{
+}
+
+
+//----------------------------------------------------------------------
+// Subclassing of nsTableEncoderSupport class [implementation]
+
+NS_IMETHODIMP nsUnicodeToBIG5HKSCS::GetMaxLength(const PRUnichar * aSrc,
+                                              PRInt32 aSrcLength,
+                                              PRInt32 * aDestLength)
+{
+  *aDestLength = 2 * aSrcLength;
+  return NS_OK;
+}

intl/uconv/ucvtw/nsUnicodeToBIG5HKSCS.h

@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ * Gavin Ho
+ */
+
+#ifndef nsUnicodeToBIG5HKSCS_h___
+#define nsUnicodeToBIG5HKSCS_h___
+
+#include "nsUCvTWSupport.h"
+
+//----------------------------------------------------------------------
+// Class nsUnicodeToBIG5HKSCS [declaration]
+
+/**
+ * A character set converter from Unicode to BIG5-HKSCS.
+ *
+ * @created         02/Jul/2000
+ * @author  Gavin Ho, Hong Kong Professional Services, Compaq Computer (Hong Kong) Ltd.
+ */
+class nsUnicodeToBIG5HKSCS : public nsMultiTableEncoderSupport
+{
+public:
+
+  /**
+   * Class constructor.
+   */
+  nsUnicodeToBIG5HKSCS();
+
+protected:
+
+  //--------------------------------------------------------------------
+  // Subclassing of nsEncoderSupport class [declaration]
+
+  NS_IMETHOD GetMaxLength(const PRUnichar * aSrc, PRInt32 aSrcLength,
+      PRInt32 * aDestLength);
+};
+
+#endif /* nsUnicodeToBIG5HKSCS_h___ */