Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 250 insertions, 0 deletions

diff --git a/sal/textenc/tenchelp.hxx b/sal/textenc/tenchelp.hxx
new file mode 100644
index 000000000..469ffabb7
--- /dev/null
+++ b/sal/textenc/tenchelp.hxx
@@ -0,0 +1,250 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SAL_TEXTENC_TENCHELP_HXX
+#define INCLUDED_SAL_TEXTENC_TENCHELP_HXX
+
+#include <sal/config.h>
+
+#include <rtl/tencinfo.h>
+#include <rtl/textcvt.h>
+#include <rtl/textenc.h>
+#include <sal/types.h>
+
+#include "unichars.hxx"
+
+#define RTL_TEXTCVT_BYTE_PRIVATE_START 0xF100
+#define RTL_TEXTCVT_BYTE_PRIVATE_END 0xF1FF
+
+/* ----------------- */
+/* - TextConverter - */
+/* ----------------- */
+
+typedef
+sal_Size (* ImplConvertToUnicodeProc)(void const * pData,
+                                      void * pContext,
+                                      char const * pSrcBuf,
+                                      sal_Size nSrcBytes,
+                                      sal_Unicode * pDestBuf,
+                                      sal_Size nDestChars,
+                                      sal_uInt32 nFlags,
+                                      sal_uInt32 * pInfo,
+                                      sal_Size * pSrcCvtBytes);
+
+typedef
+sal_Size (* ImplConvertToTextProc)(void const * pData,
+                                   void * pContext,
+                                   sal_Unicode const * pSrcBuf,
+                                   sal_Size nSrcChars,
+                                   char * pDestBuf,
+                                   sal_Size nDestBytes,
+                                   sal_uInt32 nFlags,
+                                   sal_uInt32 * pInfo,
+                                   sal_Size * pSrcCvtChars);
+
+typedef void * (* ImplCreateTextContextProc)();
+
+typedef void (* ImplDestroyTextContextProc)(void * pContext);
+
+typedef void (* ImplResetTextContextProc)(void * pContext);
+
+typedef void * (* ImplCreateUnicodeContextProc)();
+
+typedef void (* ImplDestroyUnicodeContextProc)(void * pContext);
+
+typedef void (* ImplResetUnicodeContextProc)(void * pContext);
+
+struct ImplTextConverter
+{
+    void const * mpConvertData;
+    ImplConvertToUnicodeProc mpConvertTextToUnicodeProc;
+    ImplConvertToTextProc mpConvertUnicodeToTextProc;
+    ImplCreateTextContextProc mpCreateTextToUnicodeContext;
+    ImplDestroyTextContextProc mpDestroyTextToUnicodeContext;
+    ImplResetTextContextProc mpResetTextToUnicodeContext;
+    ImplCreateUnicodeContextProc mpCreateUnicodeToTextContext;
+    ImplDestroyUnicodeContextProc mpDestroyUnicodeToTextContext;
+    ImplResetUnicodeContextProc mpResetUnicodeToTextContext;
+};
+
+/* ----------------------------- */
+/* - TextEncoding - Structures - */
+/* ----------------------------- */
+
+struct SAL_DLLPUBLIC_RTTI ImplTextEncodingData
+{
+    ImplTextConverter maConverter;
+    char const * mpBestUnixCharset;
+    char const * mpBestMimeCharset;
+    sal_uInt8 mnMinCharSize;
+    sal_uInt8 mnMaxCharSize;
+    sal_uInt8 mnAveCharSize;
+    sal_uInt8 mnBestWindowsCharset;
+    sal_uInt32 mnInfoFlags;
+};
+
+/* ----------------------------------- */
+/* - TextConverter - Byte-Structures - */
+/* ----------------------------------- */
+
+struct ImplUniCharTabData
+{
+    sal_uInt16                      mnUniChar;
+    unsigned char                       mnChar;
+    unsigned char                       mnChar2;
+        // to cater for mappings like MS1258 with 1--2 bytes per Unicode char,
+        // 0 if unused
+};
+
+struct ImplByteConvertData
+{
+    const sal_uInt16*               mpToUniTab1;
+    const sal_uInt16*               mpToUniTab2;
+    const unsigned char*            mpToCharTab1;
+    const unsigned char*            mpToCharTab2;
+    const ImplUniCharTabData*       mpToCharExTab;
+    unsigned char                   mnToUniStart1;
+    unsigned char                   mnToUniEnd1;
+    unsigned char                   mnToUniStart2;
+    unsigned char                   mnToUniEnd2;
+    sal_uInt16                      mnToCharStart1;
+    sal_uInt16                      mnToCharEnd1;
+    sal_uInt16                      mnToCharStart2;
+    sal_uInt16                      mnToCharEnd2;
+    sal_uInt16                      mnToCharExCount;
+};
+
+/* ----------------------------------- */
+/* - TextConverter - DBCS-Structures - */
+/* ----------------------------------- */
+
+struct ImplDBCSEUDCData
+{
+    unsigned char                       mnLeadStart;
+    unsigned char                       mnLeadEnd;
+    unsigned char                       mnTrail1Start;
+    unsigned char                       mnTrail1End;
+    unsigned char                       mnTrail2Start;
+    unsigned char                       mnTrail2End;
+    unsigned char                       mnTrail3Start;
+    unsigned char                       mnTrail3End;
+    unsigned char                       mnTrailCount;
+    sal_uInt16                      mnTrailRangeCount;
+    sal_uInt16                      mnUniStart;
+    sal_uInt16                      mnUniEnd;
+};
+
+struct ImplDBCSToUniLeadTab
+{
+    sal_uInt16                      mnUniChar;
+    sal_uInt8                       mnTrailStart;
+    sal_uInt8                       mnTrailEnd;
+    const sal_uInt16*               mpToUniTrailTab;
+};
+
+struct ImplUniToDBCSHighTab
+{
+    sal_uInt8                       mnLowStart;
+    sal_uInt8                       mnLowEnd;
+    const sal_uInt16*               mpToUniTrailTab;
+};
+
+struct ImplDBCSConvertData
+{
+    const ImplDBCSToUniLeadTab*     mpToUniLeadTab;
+    const ImplUniToDBCSHighTab*     mpToDBCSHighTab;
+    const ImplDBCSEUDCData*         mpEUDCTab;
+    sal_uInt16                      mnEUDCCount;
+    unsigned char                   mnLeadStart;
+    unsigned char                   mnLeadEnd;
+    unsigned char                   mnTrailStart;
+    unsigned char                   mnTrailEnd;
+};
+
+/* ---------------------------------- */
+/* - TextConverter - EUC-Structures - */
+/* ---------------------------------- */
+
+struct ImplEUCJPConvertData
+{
+    const ImplDBCSToUniLeadTab*     mpJIS0208ToUniLeadTab;
+    const ImplDBCSToUniLeadTab*     mpJIS0212ToUniLeadTab;
+    const ImplUniToDBCSHighTab*     mpUniToJIS0208HighTab;
+    const ImplUniToDBCSHighTab*     mpUniToJIS0212HighTab;
+};
+
+/* --------------------------------- */
+/* - TextConverter - HelpFunctions - */
+/* --------------------------------- */
+
+inline sal_Unicode ImplGetUndefinedUnicodeChar(
+    unsigned char cChar, sal_uInt32 nFlags)
+{
+    return ((nFlags & RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK)
+                   == RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MAPTOPRIVATE) ?
+               RTL_TEXTCVT_BYTE_PRIVATE_START + cChar :
+               RTL_TEXTENC_UNICODE_REPLACEMENT_CHARACTER;
+}
+
+/* ----------------------------- */
+/* - TextConverter - Functions - */
+/* ----------------------------- */
+
+sal_Size ImplDBCSToUnicode( const void* pData, void* pContext,
+                            const char* pSrcBuf, sal_Size nSrcBytes,
+                            sal_Unicode* pDestBuf, sal_Size nDestChars,
+                            sal_uInt32 nFlags, sal_uInt32* pInfo,
+                            sal_Size* pSrcCvtBytes );
+sal_Size ImplUnicodeToDBCS( const void* pData, void* pContext,
+                            const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
+                            char* pDestBuf, sal_Size nDestBytes,
+                            sal_uInt32 nFlags, sal_uInt32* pInfo,
+                            sal_Size* pSrcCvtChars );
+sal_Size ImplEUCJPToUnicode( const void* pData,
+                             void* pContext,
+                             const char* pSrcBuf, sal_Size nSrcBytes,
+                             sal_Unicode* pDestBuf, sal_Size nDestChars,
+                             sal_uInt32 nFlags, sal_uInt32* pInfo,
+                             sal_Size* pSrcCvtBytes );
+sal_Size ImplUnicodeToEUCJP( const void* pData,
+                             void* pContext,
+                             const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
+                             char* pDestBuf, sal_Size nDestBytes,
+                             sal_uInt32 nFlags, sal_uInt32* pInfo,
+                             sal_Size* pSrcCvtChars );
+void* ImplUTF7CreateUTF7TextToUnicodeContext();
+void ImplUTF7DestroyTextToUnicodeContext( void* pContext );
+void ImplUTF7ResetTextToUnicodeContext( void* pContext );
+sal_Size ImplUTF7ToUnicode( const void* pData, void* pContext,
+                            const char* pSrcBuf, sal_Size nSrcBytes,
+                            sal_Unicode* pDestBuf, sal_Size nDestChars,
+                            sal_uInt32 nFlags, sal_uInt32* pInfo,
+                            sal_Size* pSrcCvtBytes );
+void* ImplUTF7CreateUnicodeToTextContext();
+void ImplUTF7DestroyUnicodeToTextContext( void* pContext );
+void ImplUTF7ResetUnicodeToTextContext( void* pContext );
+sal_Size ImplUnicodeToUTF7( const void* pData, void* pContext,
+                            const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
+                            char* pDestBuf, sal_Size nDestBytes,
+                            sal_uInt32 nFlags, sal_uInt32* pInfo,
+                            sal_Size* pSrcCvtChars );
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */