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, 157 insertions, 0 deletions

diff --git a/sal/textenc/converter.cxx b/sal/textenc/converter.cxx
new file mode 100644
index 000000000..60e6a3383
--- /dev/null
+++ b/sal/textenc/converter.cxx
@@ -0,0 +1,157 @@
+/* -*- 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 <o3tl/safeint.hxx>
+#include <rtl/textcvt.h>
+#include <sal/types.h>
+
+#include "converter.hxx"
+#include "tenchelp.hxx"
+#include "unichars.hxx"
+
+sal::detail::textenc::BadInputConversionAction
+sal::detail::textenc::handleBadInputTextToUnicodeConversion(
+    bool bUndefined, bool bMultiByte, char cByte, sal_uInt32 nFlags,
+    sal_Unicode ** pDestBufPtr, const sal_Unicode * pDestBufEnd, sal_uInt32 * pInfo)
+{
+    *pInfo |= bUndefined
+        ? (bMultiByte
+           ? RTL_TEXTTOUNICODE_INFO_MBUNDEFINED
+           : RTL_TEXTTOUNICODE_INFO_UNDEFINED)
+        : RTL_TEXTTOUNICODE_INFO_INVALID;
+    switch (nFlags
+            & (bUndefined
+               ? (bMultiByte
+                  ? RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK
+                  : RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK)
+               : RTL_TEXTTOUNICODE_FLAGS_INVALID_MASK))
+    {
+    case RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR:
+    case RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR:
+    case RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR:
+        *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR;
+        return BAD_INPUT_STOP;
+
+    case RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_IGNORE:
+    case RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_IGNORE:
+    case RTL_TEXTTOUNICODE_FLAGS_INVALID_IGNORE:
+        return BAD_INPUT_CONTINUE;
+
+    case RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MAPTOPRIVATE:
+        if (*pDestBufPtr != pDestBufEnd)
+        {
+            *(*pDestBufPtr)++ = RTL_TEXTCVT_BYTE_PRIVATE_START
+                | static_cast<unsigned char>(cByte);
+            return BAD_INPUT_CONTINUE;
+        }
+        else
+            return BAD_INPUT_NO_OUTPUT;
+
+    default: // RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_DEFAULT,
+             // RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_DEFAULT,
+             // RTL_TEXTTOUNICODE_FLAGS_INVALID_DEFAULT
+        if (*pDestBufPtr != pDestBufEnd)
+        {
+            *(*pDestBufPtr)++ = RTL_TEXTENC_UNICODE_REPLACEMENT_CHARACTER;
+            return BAD_INPUT_CONTINUE;
+        }
+        else
+            return BAD_INPUT_NO_OUTPUT;
+    }
+}
+
+sal::detail::textenc::BadInputConversionAction
+sal::detail::textenc::handleBadInputUnicodeToTextConversion(
+    bool bUndefined, sal_uInt32 nUtf32, sal_uInt32 nFlags, char ** pDestBufPtr,
+    const char * pDestBufEnd, sal_uInt32 * pInfo, char const * pPrefix,
+    sal_Size nPrefixLen, bool * pPrefixWritten)
+{
+    // TODO! RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACE
+    // RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACESTR
+
+    char cReplace;
+
+    if (bUndefined)
+    {
+        if (ImplIsControlOrFormat(nUtf32))
+        {
+            if ((nFlags & RTL_UNICODETOTEXT_FLAGS_CONTROL_IGNORE) != 0)
+                nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE;
+        }
+        else if (ImplIsPrivateUse(nUtf32))
+        {
+            if ((nFlags & RTL_UNICODETOTEXT_FLAGS_PRIVATE_IGNORE) != 0)
+                nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE;
+            else if ((nFlags & RTL_UNICODETOTEXT_FLAGS_PRIVATE_MAPTO0) != 0)
+                nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0;
+        }
+        else if (ImplIsZeroWidth(nUtf32))
+        {
+            if ((nFlags & RTL_UNICODETOTEXT_FLAGS_NONSPACING_IGNORE) != 0)
+                nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE;
+        }
+    }
+    *pInfo |= bUndefined ? RTL_UNICODETOTEXT_INFO_UNDEFINED :
+                           RTL_UNICODETOTEXT_INFO_INVALID;
+    switch (nFlags & (bUndefined ? RTL_UNICODETOTEXT_FLAGS_UNDEFINED_MASK :
+                                   RTL_UNICODETOTEXT_FLAGS_INVALID_MASK))
+    {
+    case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR:
+    case RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR:
+        *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR;
+        return BAD_INPUT_STOP;
+
+    case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE:
+    case RTL_UNICODETOTEXT_FLAGS_INVALID_IGNORE:
+        if (pPrefixWritten)
+            *pPrefixWritten = false;
+        return BAD_INPUT_CONTINUE;
+
+    case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0:
+    case RTL_UNICODETOTEXT_FLAGS_INVALID_0:
+        cReplace = 0;
+        break;
+
+    case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_QUESTIONMARK:
+    case RTL_UNICODETOTEXT_FLAGS_INVALID_QUESTIONMARK:
+    default: // RTL_UNICODETOTEXT_FLAGS_UNDEFINED_DEFAULT,
+             // RTL_UNICODETOTEXT_FLAGS_INVALID_DEFAULT
+        cReplace = '?';
+        break;
+
+    case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_UNDERLINE:
+    case RTL_UNICODETOTEXT_FLAGS_INVALID_UNDERLINE:
+        cReplace = '_';
+        break;
+    }
+    if (o3tl::make_unsigned(pDestBufEnd - *pDestBufPtr) > nPrefixLen)
+    {
+        while (nPrefixLen-- > 0)
+            *(*pDestBufPtr)++ = *pPrefix++;
+        *(*pDestBufPtr)++ = cReplace;
+        if (pPrefixWritten)
+            *pPrefixWritten = true;
+        return BAD_INPUT_CONTINUE;
+    }
+    return BAD_INPUT_NO_OUTPUT;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */