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-rw-r--r--sal/textenc/textcvt.cxx299
1 files changed, 299 insertions, 0 deletions
diff --git a/sal/textenc/textcvt.cxx b/sal/textenc/textcvt.cxx
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+++ b/sal/textenc/textcvt.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 <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: */