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, 299 insertions, 0 deletions

diff --git a/sal/textenc/textcvt.cxx b/sal/textenc/textcvt.cxx
new file mode 100644
index 000000000..2d5add0a8
--- /dev/null
+++ b/sal/textenc/textcvt.cxx
@@ -0,0 +1,299 @@
+/* -*- 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 <cassert>
+
+#include <rtl/textcvt.h>
+#include <sal/log.hxx>
+
+#include "gettextencodingdata.hxx"
+#include "tenchelp.hxx"
+
+/* ======================================================================= */
+
+static sal_Size ImplDummyToUnicode( const char* pSrcBuf, sal_Size nSrcBytes,
+                                    sal_Unicode* pDestBuf, sal_Size nDestChars,
+                                    sal_uInt32 nFlags, sal_uInt32* pInfo,
+                                    sal_Size* pSrcCvtBytes )
+{
+    sal_Unicode*        pEndDestBuf;
+    const char*     pEndSrcBuf;
+
+    if ( ((nFlags & RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR) ||
+         ((nFlags & RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR) )
+    {
+        *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR |
+                  RTL_TEXTTOUNICODE_INFO_UNDEFINED |
+                  RTL_TEXTTOUNICODE_INFO_MBUNDEFINED;
+        return 0;
+    }
+
+    *pInfo = 0;
+    pEndDestBuf = pDestBuf+nDestChars;
+    pEndSrcBuf  = pSrcBuf+nSrcBytes;
+    while ( pSrcBuf < pEndSrcBuf )
+    {
+        if ( pDestBuf == pEndDestBuf )
+        {
+            *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
+            break;
+        }
+
+        *pDestBuf = static_cast<sal_Unicode>(static_cast<unsigned char>(*pSrcBuf));
+        pDestBuf++;
+        pSrcBuf++;
+    }
+
+    *pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
+    return (nDestChars - (pEndDestBuf-pDestBuf));
+}
+
+/* ----------------------------------------------------------------------- */
+
+static sal_Size ImplUnicodeToDummy( const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
+                                    char* pDestBuf, sal_Size nDestBytes,
+                                    sal_uInt32 nFlags, sal_uInt32* pInfo,
+                                    sal_Size* pSrcCvtChars )
+{
+    char*               pEndDestBuf;
+    const sal_Unicode*      pEndSrcBuf;
+
+    if ( (nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_MASK) == RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR )
+    {
+        *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR |
+                  RTL_UNICODETOTEXT_INFO_UNDEFINED;
+        return 0;
+    }
+
+    *pInfo = 0;
+    pEndDestBuf = pDestBuf+nDestBytes;
+    pEndSrcBuf  = pSrcBuf+nSrcChars;
+    while ( pSrcBuf < pEndSrcBuf )
+    {
+        if ( pDestBuf == pEndDestBuf )
+        {
+            *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+            break;
+        }
+
+        *pDestBuf = static_cast<char>(static_cast<unsigned char>(*pSrcBuf & 0x00FF));
+        pDestBuf++;
+        pSrcBuf++;
+    }
+
+    *pSrcCvtChars = nSrcChars - (pEndSrcBuf-pSrcBuf);
+    return (nDestBytes - (pEndDestBuf-pDestBuf));
+}
+
+/* ======================================================================= */
+
+rtl_TextToUnicodeConverter SAL_CALL rtl_createTextToUnicodeConverter( rtl_TextEncoding eTextEncoding )
+{
+    const ImplTextEncodingData* pData = Impl_getTextEncodingData( eTextEncoding );
+    if ( pData )
+        return static_cast<rtl_TextToUnicodeConverter>(const_cast<ImplTextConverter *>(&pData->maConverter));
+    return nullptr;
+}
+
+/* ----------------------------------------------------------------------- */
+
+void SAL_CALL rtl_destroyTextToUnicodeConverter(
+    SAL_UNUSED_PARAMETER rtl_TextToUnicodeConverter )
+{}
+
+/* ----------------------------------------------------------------------- */
+
+rtl_TextToUnicodeContext SAL_CALL rtl_createTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter )
+{
+    const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
+    if ( !pConverter )
+        return nullptr;
+    if ( pConverter->mpCreateTextToUnicodeContext )
+        return pConverter->mpCreateTextToUnicodeContext();
+    return reinterpret_cast<rtl_TextToUnicodeContext>(1);
+}
+
+/* ----------------------------------------------------------------------- */
+
+void SAL_CALL rtl_destroyTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter,
+                                               rtl_TextToUnicodeContext hContext )
+{
+    const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
+    if ( pConverter && hContext && pConverter->mpDestroyTextToUnicodeContext )
+        pConverter->mpDestroyTextToUnicodeContext( hContext );
+}
+
+/* ----------------------------------------------------------------------- */
+
+void SAL_CALL rtl_resetTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter,
+                                             rtl_TextToUnicodeContext hContext )
+{
+    const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
+    if ( pConverter && hContext && pConverter->mpResetTextToUnicodeContext )
+        pConverter->mpResetTextToUnicodeContext( hContext );
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Size SAL_CALL rtl_convertTextToUnicode( rtl_TextToUnicodeConverter hConverter,
+                                            rtl_TextToUnicodeContext hContext,
+                                            const char* pSrcBuf, sal_Size nSrcBytes,
+                                            sal_Unicode* pDestBuf, sal_Size nDestChars,
+                                            sal_uInt32 nFlags, sal_uInt32* pInfo,
+                                            sal_Size* pSrcCvtBytes )
+{
+    assert(
+        (nFlags & RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK)
+        <= RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_DEFAULT);
+    assert(
+        (nFlags & RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK)
+        <= RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_DEFAULT);
+    assert(
+        (nFlags & RTL_TEXTTOUNICODE_FLAGS_INVALID_MASK)
+        <= RTL_TEXTTOUNICODE_FLAGS_INVALID_DEFAULT);
+    assert(
+        (nFlags
+         & ~(RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK
+             | RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK
+             | RTL_TEXTTOUNICODE_FLAGS_INVALID_MASK
+             | RTL_TEXTTOUNICODE_FLAGS_FLUSH
+             | RTL_TEXTTOUNICODE_FLAGS_GLOBAL_SIGNATURE))
+        == 0);
+
+    const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
+
+    /* Only temporary, because we don't want die, if we don't have a
+       converter, because not all converters are implemented yet */
+    if ( !pConverter )
+    {
+        SAL_WARN("sal.textenc", "Missing rtl_TextToUnicodeConverter");
+        return ImplDummyToUnicode( pSrcBuf, nSrcBytes,
+                                   pDestBuf, nDestChars,
+                                   nFlags, pInfo, pSrcCvtBytes );
+    }
+
+    return pConverter->mpConvertTextToUnicodeProc( pConverter->mpConvertData,
+                                                   hContext,
+                                                   pSrcBuf, nSrcBytes,
+                                                   pDestBuf, nDestChars,
+                                                   nFlags, pInfo,
+                                                   pSrcCvtBytes );
+}
+
+/* ======================================================================= */
+
+rtl_UnicodeToTextConverter SAL_CALL rtl_createUnicodeToTextConverter( rtl_TextEncoding eTextEncoding )
+{
+    const ImplTextEncodingData* pData = Impl_getTextEncodingData( eTextEncoding );
+    if ( pData )
+        return static_cast<rtl_TextToUnicodeConverter>(const_cast<ImplTextConverter *>(&pData->maConverter));
+    return nullptr;
+}
+
+/* ----------------------------------------------------------------------- */
+
+void SAL_CALL rtl_destroyUnicodeToTextConverter(
+    SAL_UNUSED_PARAMETER rtl_UnicodeToTextConverter )
+{}
+
+/* ----------------------------------------------------------------------- */
+
+rtl_UnicodeToTextContext SAL_CALL rtl_createUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter )
+{
+    const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
+    if ( !pConverter )
+        return nullptr;
+    if ( pConverter->mpCreateUnicodeToTextContext )
+        return pConverter->mpCreateUnicodeToTextContext();
+    return reinterpret_cast<rtl_UnicodeToTextContext>(1);
+}
+
+/* ----------------------------------------------------------------------- */
+
+void SAL_CALL rtl_destroyUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter,
+                                               rtl_UnicodeToTextContext hContext )
+{
+    const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
+    if ( pConverter && hContext && pConverter->mpDestroyUnicodeToTextContext )
+        pConverter->mpDestroyUnicodeToTextContext( hContext );
+}
+
+/* ----------------------------------------------------------------------- */
+
+void SAL_CALL rtl_resetUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter,
+                                             rtl_UnicodeToTextContext hContext )
+{
+    const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
+    if ( pConverter && hContext && pConverter->mpResetUnicodeToTextContext )
+        pConverter->mpResetUnicodeToTextContext( hContext );
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Size SAL_CALL rtl_convertUnicodeToText( rtl_UnicodeToTextConverter hConverter,
+                                            rtl_UnicodeToTextContext hContext,
+                                            const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
+                                            char* pDestBuf, sal_Size nDestBytes,
+                                            sal_uInt32 nFlags, sal_uInt32* pInfo,
+                                            sal_Size* pSrcCvtChars )
+{
+    assert(
+        (nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_MASK)
+        <= RTL_UNICODETOTEXT_FLAGS_UNDEFINED_DEFAULT);
+    assert(
+        (nFlags & RTL_UNICODETOTEXT_FLAGS_INVALID_MASK)
+        <= RTL_UNICODETOTEXT_FLAGS_INVALID_DEFAULT);
+    assert(
+        (nFlags
+         & ~(RTL_UNICODETOTEXT_FLAGS_UNDEFINED_MASK
+             | RTL_UNICODETOTEXT_FLAGS_INVALID_MASK
+             | RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACE
+             | RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACESTR
+             | RTL_UNICODETOTEXT_FLAGS_PRIVATE_MAPTO0
+             | RTL_UNICODETOTEXT_FLAGS_NONSPACING_IGNORE
+             | RTL_UNICODETOTEXT_FLAGS_CONTROL_IGNORE
+             | RTL_UNICODETOTEXT_FLAGS_PRIVATE_IGNORE
+             | RTL_UNICODETOTEXT_FLAGS_NOCOMPOSITE
+             | RTL_UNICODETOTEXT_FLAGS_FLUSH
+             | RTL_UNICODETOTEXT_FLAGS_GLOBAL_SIGNATURE))
+        == 0);
+
+    const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
+
+    /* Only temporary, because we don't want die, if we don't have a
+       converter, because not all converters are implemented yet */
+    if ( !pConverter )
+    {
+        SAL_WARN("sal.textenc", "Missing rtl_UnicodeToTextConverter");
+        return ImplUnicodeToDummy( pSrcBuf, nSrcChars,
+                                   pDestBuf, nDestBytes,
+                                   nFlags, pInfo, pSrcCvtChars );
+    }
+
+    return pConverter->mpConvertUnicodeToTextProc( pConverter->mpConvertData,
+                                                   hContext,
+                                                   pSrcBuf, nSrcChars,
+                                                   pDestBuf, nDestBytes,
+                                                   nFlags, pInfo,
+                                                   pSrcCvtChars );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */