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-rw-r--r--sal/textenc/tcvtbyte.cxx161
1 files changed, 161 insertions, 0 deletions
diff --git a/sal/textenc/tcvtbyte.cxx b/sal/textenc/tcvtbyte.cxx
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+++ b/sal/textenc/tcvtbyte.cxx
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+/* -*- 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: */