INTEGRATION: CWS sb17 (1.1.2); FILE ADDED

2004/04/05 15:33:41 sb 1.1.2.1: #i25672# Added RTL_TEXTENCODING_ADOBE_STANDARD/SYMBOL.

1 files changed, 240 insertions, 0 deletions

diff --git a/sal/textenc/convertsinglebytetobmpunicode.cxx b/sal/textenc/convertsinglebytetobmpunicode.cxx
new file mode 100644
index 000000000000..fdcc284ea313
--- /dev/null
+++ b/sal/textenc/convertsinglebytetobmpunicode.cxx
@@ -0,0 +1,240 @@
+/*************************************************************************
+ *
+ *  $RCSfile: convertsinglebytetobmpunicode.cxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: rt $ $Date: 2004-06-17 11:41:43 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRUNTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRUNTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc..
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#include "context.h"
+#include "converter.h"
+#include "convertsinglebytetobmpunicode.hxx"
+#include "unichars.h"
+
+#include "osl/diagnose.h"
+#include "rtl/textcvt.h"
+#include "sal/types.h"
+
+#include <cstddef>
+
+sal_Size rtl_textenc_convertSingleByteToBmpUnicode(
+    ImplTextConverterData const * data, void * context, sal_Char const * srcBuf,
+    sal_Size srcBytes, sal_Unicode * destBuf, sal_Size destChars,
+    sal_uInt32 flags, sal_uInt32 * info, sal_Size * srcCvtBytes)
+{
+    sal_Unicode const * map = static_cast<
+        rtl::textenc::BmpUnicodeToSingleByteConverterData const * >(
+            data)->byteToUnicode;
+    sal_uInt32 infoFlags = 0;
+    sal_Size converted = 0;
+    sal_Unicode * destBufPtr = destBuf;
+    sal_Unicode * destBufEnd = destBuf + destChars;
+    for (; converted < srcBytes; ++converted) {
+        bool undefined = true;
+        sal_Char b = *srcBuf++;
+        sal_Unicode c = map[static_cast< sal_uInt8 >(b)];
+        if (c == 0xFFFF) {
+            goto bad_input;
+        }
+        if (destBufEnd - destBufPtr < 1) {
+            goto no_output;
+        }
+        *destBufPtr++ = c;
+        continue;
+    bad_input:
+        switch (ImplHandleBadInputTextToUnicodeConversion(
+                    undefined, false, b, flags, &destBufPtr, destBufEnd,
+                    &infoFlags))
+        {
+        case IMPL_BAD_INPUT_STOP:
+            break;
+
+        case IMPL_BAD_INPUT_CONTINUE:
+            continue;
+
+        case IMPL_BAD_INPUT_NO_OUTPUT:
+            goto no_output;
+        }
+        break;
+    no_output:
+        --srcBuf;
+        infoFlags |= RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL;
+        break;
+    }
+    if (info != 0) {
+        *info = infoFlags;
+    }
+    if (srcCvtBytes != 0) {
+        *srcCvtBytes = converted;
+    }
+    return destBufPtr - destBuf;
+}
+
+sal_Size rtl_textenc_convertBmpUnicodeToSingleByte(
+    ImplTextConverterData const * data, void * context,
+    sal_Unicode const * srcBuf, sal_Size srcChars, sal_Char * destBuf,
+    sal_Size destBytes, sal_uInt32 flags, sal_uInt32 * info,
+    sal_Size * srcCvtChars)
+{
+    std::size_t entries = static_cast<
+        rtl::textenc::BmpUnicodeToSingleByteConverterData const * >(
+            data)->unicodeToByteEntries;
+    rtl::textenc::BmpUnicodeToSingleByteRange const * ranges = static_cast<
+        rtl::textenc::BmpUnicodeToSingleByteConverterData const * >(
+            data)->unicodeToByte;
+    sal_Unicode highSurrogate = 0;
+    sal_uInt32 infoFlags = 0;
+    sal_Size converted = 0;
+    sal_Char * destBufPtr = destBuf;
+    sal_Char * destBufEnd = destBuf + destBytes;
+    if (context != 0) {
+        highSurrogate = static_cast< ImplUnicodeToTextContext * >(context)->
+            m_nHighSurrogate;
+    }
+    for (; converted < srcChars; ++converted) {
+        bool undefined = true;
+        sal_uInt32 c = *srcBuf++;
+        if (highSurrogate == 0) {
+            if (ImplIsHighSurrogate(c)) {
+                highSurrogate = static_cast< sal_Unicode >(c);
+                continue;
+            }
+        } else if (ImplIsLowSurrogate(c)) {
+            c = ImplCombineSurrogates(highSurrogate, c);
+        } else {
+            undefined = false;
+            goto bad_input;
+        }
+        if (ImplIsLowSurrogate(c) || ImplIsNoncharacter(c)) {
+            undefined = false;
+            goto bad_input;
+        }
+        // Linearly searching through the ranges if probably fastest, assuming
+        // that most converted characters belong to the ASCII subset:
+        for (std::size_t i = 0; i < entries; ++i) {
+            if (c < ranges[i].unicode) {
+                break;
+            } else if (c <= ranges[i].unicode + ranges[i].range) {
+                if (destBufEnd - destBufPtr < 1) {
+                    goto no_output;
+                }
+                *destBufPtr++ = static_cast< sal_Char >(
+                    ranges[i].byte + (c - ranges[i].unicode));
+                goto done;
+            }
+        }
+        goto bad_input;
+    done:
+        highSurrogate = 0;
+        continue;
+    bad_input:
+        switch (ImplHandleBadInputUnicodeToTextConversion(
+                    undefined, c, flags, &destBufPtr, destBufEnd, &infoFlags, 0,
+                    0, 0))
+        {
+        case IMPL_BAD_INPUT_STOP:
+            highSurrogate = 0;
+            break;
+
+        case IMPL_BAD_INPUT_CONTINUE:
+            highSurrogate = 0;
+            continue;
+
+        case IMPL_BAD_INPUT_NO_OUTPUT:
+            goto no_output;
+        }
+        break;
+    no_output:
+        --srcBuf;
+        infoFlags |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+        break;
+    }
+    if (highSurrogate != 0
+        && ((infoFlags
+             & (RTL_UNICODETOTEXT_INFO_ERROR
+                | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL))
+            == 0))
+    {
+        if ((flags & RTL_UNICODETOTEXT_FLAGS_FLUSH) != 0) {
+            infoFlags |= RTL_UNICODETOTEXT_INFO_SRCBUFFERTOSMALL;
+        } else {
+            switch (ImplHandleBadInputUnicodeToTextConversion(
+                        false, 0, flags, &destBufPtr, destBufEnd, &infoFlags, 0,
+                        0, 0))
+            {
+            case IMPL_BAD_INPUT_STOP:
+            case IMPL_BAD_INPUT_CONTINUE:
+                highSurrogate = 0;
+                break;
+
+            case IMPL_BAD_INPUT_NO_OUTPUT:
+                infoFlags |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+                break;
+            }
+        }
+    }
+    if (context != 0) {
+        static_cast< ImplUnicodeToTextContext * >(context)->m_nHighSurrogate
+            = highSurrogate;
+    }
+    if (info != 0) {
+        *info = infoFlags;
+    }
+    if (srcCvtChars != 0) {
+        *srcCvtChars = converted;
+    }
+    return destBufPtr - destBuf;
+}