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, 161 insertions, 0 deletions

diff --git a/sal/textenc/tcvtbyte.cxx b/sal/textenc/tcvtbyte.cxx
new file mode 100644
index 000000000..ee727d9f9
--- /dev/null
+++ b/sal/textenc/tcvtbyte.cxx
@@ -0,0 +1,161 @@
+/* -*- 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 .
+ */
+
+#include <sal/config.h>
+
+#include <rtl/textcvt.h>
+
+#include "handleundefinedunicodetotextchar.hxx"
+#include "tcvtbyte.hxx"
+#include "tenchelp.hxx"
+
+sal_Size ImplSymbolToUnicode( SAL_UNUSED_PARAMETER const void*,
+                              SAL_UNUSED_PARAMETER void*,
+                              const char* pSrcBuf, sal_Size nSrcBytes,
+                              sal_Unicode* pDestBuf, sal_Size nDestChars,
+                              SAL_UNUSED_PARAMETER sal_uInt32,
+                              sal_uInt32* pInfo, sal_Size* pSrcCvtBytes )
+{
+    sal_Unicode*            pEndDestBuf;
+    const char*         pEndSrcBuf;
+
+    *pInfo = 0;
+    pEndDestBuf = pDestBuf+nDestChars;
+    pEndSrcBuf  = pSrcBuf+nSrcBytes;
+    while ( pSrcBuf < pEndSrcBuf )
+    {
+        if ( pDestBuf == pEndDestBuf )
+        {
+            *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
+            break;
+        }
+
+        /* 0-31 (all Control-Character get the same Unicode value) */
+        unsigned char c = static_cast<unsigned char>(*pSrcBuf);
+        if ( c <= 0x1F )
+            *pDestBuf = static_cast<sal_Unicode>(c);
+        else
+            *pDestBuf = static_cast<sal_Unicode>(c)+0xF000;
+        pDestBuf++;
+        pSrcBuf++;
+    }
+
+    *pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
+    return (nDestChars - (pEndDestBuf-pDestBuf));
+}
+
+sal_Size ImplUnicodeToSymbol( SAL_UNUSED_PARAMETER const void*,
+                              SAL_UNUSED_PARAMETER void*,
+                              const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
+                              char* pDestBuf, sal_Size nDestBytes,
+                              sal_uInt32 nFlags, sal_uInt32* pInfo,
+                              sal_Size* pSrcCvtChars )
+{
+    sal_Unicode             c;
+    char*               pEndDestBuf;
+    const sal_Unicode*      pEndSrcBuf;
+
+    *pInfo = 0;
+    pEndDestBuf = pDestBuf+nDestBytes;
+    pEndSrcBuf  = pSrcBuf+nSrcChars;
+    while ( pSrcBuf < pEndSrcBuf )
+    {
+        if ( pDestBuf == pEndDestBuf )
+        {
+            *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+            break;
+        }
+
+        c = *pSrcBuf;
+        if ( (c >= 0xF000) && (c <= 0xF0FF) )
+        {
+            *pDestBuf = static_cast< char >(static_cast< unsigned char >(c-0xF000));
+            pDestBuf++;
+            pSrcBuf++;
+        }
+        // Normally 0x001F, but in many cases also symbol characters
+        // are stored in the first 256 bytes, so that we don't change
+        // these values
+        else if ( c <= 0x00FF )
+        {
+            *pDestBuf = static_cast< char >(static_cast< unsigned char >(c));
+            pDestBuf++;
+            pSrcBuf++;
+        }
+        else
+        {
+            if ( nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACE )
+            {
+                /* !!! */
+                /* Only ascii  characters < 0x1F */
+            }
+
+            /* Handle undefined and surrogates characters */
+            /* (all surrogates characters are undefined) */
+            if (!sal::detail::textenc::handleUndefinedUnicodeToTextChar(
+                    &pSrcBuf, pEndSrcBuf, &pDestBuf, pEndDestBuf, nFlags,
+                    pInfo))
+                break;
+        }
+    }
+
+    *pSrcCvtChars = nSrcChars - (pEndSrcBuf-pSrcBuf);
+    return (nDestBytes - (pEndDestBuf-pDestBuf));
+}
+
+sal_Size ImplUpperCharToUnicode( const void* pData,
+                            SAL_UNUSED_PARAMETER void*,
+                            const char* pSrcBuf, sal_Size nSrcBytes,
+                            sal_Unicode* pDestBuf, sal_Size nDestChars,
+                            SAL_UNUSED_PARAMETER sal_uInt32, sal_uInt32* pInfo,
+                            sal_Size* pSrcCvtBytes )
+{
+    sal_Unicode                 cConv;
+    const ImplByteConvertData*  pConvertData = static_cast<const ImplByteConvertData*>(pData);
+    sal_Unicode*                pEndDestBuf;
+    const char*             pEndSrcBuf;
+
+    *pInfo = 0;
+    pEndDestBuf = pDestBuf+nDestChars;
+    pEndSrcBuf  = pSrcBuf+nSrcBytes;
+    if ( pDestBuf == pEndDestBuf )
+    {
+        *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
+        *pSrcCvtBytes = 0;
+        return 0;
+    }
+    while ( pSrcBuf < pEndSrcBuf )
+    {
+        unsigned char c = static_cast<unsigned char>(*pSrcBuf);
+        if (c < 0x80)
+            cConv = c;
+        else
+            // c <= 0xFF is implied.
+            cConv = pConvertData->mpToUniTab1[c - 0x80];
+
+        *pDestBuf = cConv;
+        pDestBuf++;
+        pSrcBuf++;
+    }
+
+    *pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
+    return (nDestChars - (pEndDestBuf-pDestBuf));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */