4742808bf2
Change-Id: I665bb37e1d45ec87489b039b1d1d41529f027328 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166939 Tested-by: Caolán McNamara <caolan.mcnamara@collabora.com> Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>
1383 lines
52 KiB
C++
1383 lines
52 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <algorithm>
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#include <limits>
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#include <forward_list>
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#include <memory>
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#include <sal/log.hxx>
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#include <rtl/ustring.hxx>
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#include <rtl/strbuf.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <rtl/tencinfo.h>
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#include <tools/debug.hxx>
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#include <tools/inetmime.hxx>
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#include <rtl/character.hxx>
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namespace {
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rtl_TextEncoding getCharsetEncoding(const char * pBegin,
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const char * pEnd);
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/** Check for US-ASCII white space character.
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@param nChar Some UCS-4 character.
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@return True if nChar is a US-ASCII white space character (US-ASCII
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0x09 or 0x20).
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*/
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bool isWhiteSpace(sal_uInt32 nChar)
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{
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return nChar == '\t' || nChar == ' ';
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}
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/** Get the Base 64 digit weight of a US-ASCII character.
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@param nChar Some UCS-4 character.
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@return If nChar is a US-ASCII Base 64 digit character (US-ASCII
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'A'--'F', or 'a'--'f', '0'--'9', '+', or '/'), return the
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corresponding weight (0--63); if nChar is the US-ASCII Base 64 padding
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character (US-ASCII '='), return -1; otherwise, return -2.
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*/
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int getBase64Weight(sal_uInt32 nChar)
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{
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return rtl::isAsciiUpperCase(nChar) ? int(nChar - 'A') :
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rtl::isAsciiLowerCase(nChar) ? int(nChar - 'a' + 26) :
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rtl::isAsciiDigit(nChar) ? int(nChar - '0' + 52) :
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nChar == '+' ? 62 :
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nChar == '/' ? 63 :
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nChar == '=' ? -1 : -2;
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}
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bool startsWithLineFolding(const sal_Unicode * pBegin,
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const sal_Unicode * pEnd)
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{
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assert(pBegin && pBegin <= pEnd && "startsWithLineFolding(): Bad sequence");
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return pEnd - pBegin >= 3 && pBegin[0] == 0x0D && pBegin[1] == 0x0A
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&& isWhiteSpace(pBegin[2]); // CR, LF
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}
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rtl_TextEncoding translateFromMIME(rtl_TextEncoding
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eEncoding)
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{
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#if defined(_WIN32)
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return eEncoding == RTL_TEXTENCODING_ISO_8859_1 ?
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RTL_TEXTENCODING_MS_1252 : eEncoding;
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#else
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return eEncoding;
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#endif
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}
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bool isMIMECharsetEncoding(rtl_TextEncoding eEncoding)
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{
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return rtl_isOctetTextEncoding(eEncoding);
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}
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std::unique_ptr<sal_Unicode[]> convertToUnicode(const char * pBegin,
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const char * pEnd,
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rtl_TextEncoding eEncoding,
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sal_Size & rSize)
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{
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if (eEncoding == RTL_TEXTENCODING_DONTKNOW)
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return nullptr;
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rtl_TextToUnicodeConverter hConverter
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= rtl_createTextToUnicodeConverter(eEncoding);
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rtl_TextToUnicodeContext hContext
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= rtl_createTextToUnicodeContext(hConverter);
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std::unique_ptr<sal_Unicode[]> pBuffer;
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sal_uInt32 nInfo;
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for (sal_Size nBufferSize = pEnd - pBegin;;
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nBufferSize += nBufferSize / 3 + 1)
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{
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pBuffer.reset(new sal_Unicode[nBufferSize]);
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sal_Size nSrcCvtBytes;
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rSize = rtl_convertTextToUnicode(
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hConverter, hContext, pBegin, pEnd - pBegin, pBuffer.get(),
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nBufferSize,
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RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR
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| RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR
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| RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR,
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&nInfo, &nSrcCvtBytes);
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if (nInfo != RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL)
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break;
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pBuffer.reset();
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rtl_resetTextToUnicodeContext(hConverter, hContext);
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}
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rtl_destroyTextToUnicodeContext(hConverter, hContext);
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rtl_destroyTextToUnicodeConverter(hConverter);
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if (nInfo != 0)
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{
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pBuffer.reset();
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}
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return pBuffer;
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}
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void writeUTF8(OStringBuffer & rSink, sal_uInt32 nChar)
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{
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// See RFC 2279 for a discussion of UTF-8.
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DBG_ASSERT(nChar < 0x80000000, "writeUTF8(): Bad char");
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if (nChar < 0x80)
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rSink.append(char(nChar));
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else if (nChar < 0x800)
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rSink.append(OStringChar(char(nChar >> 6 | 0xC0))
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+ OStringChar(char((nChar & 0x3F) | 0x80)));
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else if (nChar < 0x10000)
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rSink.append(
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OStringChar(char(nChar >> 12 | 0xE0))
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+ OStringChar(char((nChar >> 6 & 0x3F) | 0x80))
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+ OStringChar(char((nChar & 0x3F) | 0x80)));
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else if (nChar < 0x200000)
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rSink.append(
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OStringChar(char(nChar >> 18 | 0xF0))
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+ OStringChar(char((nChar >> 12 & 0x3F) | 0x80))
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+ OStringChar(char((nChar >> 6 & 0x3F) | 0x80))
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+ OStringChar(char((nChar & 0x3F) | 0x80)));
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else if (nChar < 0x4000000)
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rSink.append(
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OStringChar(char(nChar >> 24 | 0xF8))
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+ OStringChar(char((nChar >> 18 & 0x3F) | 0x80))
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+ OStringChar(char((nChar >> 12 & 0x3F) | 0x80))
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+ OStringChar(char((nChar >> 6 & 0x3F) | 0x80))
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+ OStringChar(char((nChar & 0x3F) | 0x80)));
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else
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rSink.append(
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OStringChar(char(nChar >> 30 | 0xFC))
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+ OStringChar(char((nChar >> 24 & 0x3F) | 0x80))
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+ OStringChar(char((nChar >> 18 & 0x3F) | 0x80))
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+ OStringChar(char((nChar >> 12 & 0x3F) | 0x80))
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+ OStringChar(char((nChar >> 6 & 0x3F) | 0x80))
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+ OStringChar(char((nChar & 0x3F) | 0x80)));
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}
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bool translateUTF8Char(const char *& rBegin,
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const char * pEnd,
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sal_uInt32 & rCharacter)
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{
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if (rBegin == pEnd || static_cast< unsigned char >(*rBegin) < 0x80
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|| static_cast< unsigned char >(*rBegin) >= 0xFE)
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return false;
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int nCount;
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sal_uInt32 nMin;
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sal_uInt32 nUCS4;
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const char * p = rBegin;
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if (static_cast< unsigned char >(*p) < 0xE0)
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{
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nCount = 1;
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nMin = 0x80;
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nUCS4 = static_cast< unsigned char >(*p) & 0x1F;
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}
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else if (static_cast< unsigned char >(*p) < 0xF0)
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{
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nCount = 2;
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nMin = 0x800;
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nUCS4 = static_cast< unsigned char >(*p) & 0xF;
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}
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else if (static_cast< unsigned char >(*p) < 0xF8)
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{
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nCount = 3;
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nMin = 0x10000;
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nUCS4 = static_cast< unsigned char >(*p) & 7;
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}
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else if (static_cast< unsigned char >(*p) < 0xFC)
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{
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nCount = 4;
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nMin = 0x200000;
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nUCS4 = static_cast< unsigned char >(*p) & 3;
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}
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else
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{
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nCount = 5;
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nMin = 0x4000000;
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nUCS4 = static_cast< unsigned char >(*p) & 1;
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}
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++p;
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for (; nCount-- > 0; ++p)
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if ((static_cast< unsigned char >(*p) & 0xC0) == 0x80)
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nUCS4 = (nUCS4 << 6) | (static_cast< unsigned char >(*p) & 0x3F);
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else
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return false;
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if (!rtl::isUnicodeCodePoint(nUCS4) || nUCS4 < nMin)
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return false;
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rCharacter = nUCS4;
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rBegin = p;
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return true;
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}
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void appendISO88591(OUStringBuffer & rText, char const * pBegin,
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char const * pEnd);
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struct Parameter
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{
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OString m_aAttribute;
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OString m_aCharset;
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OString m_aLanguage;
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OString m_aValue;
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sal_uInt32 m_nSection;
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bool m_bExtended;
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bool operator<(const Parameter& rhs) const // is used by std::list<Parameter>::sort
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{
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int nComp = m_aAttribute.compareTo(rhs.m_aAttribute);
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return nComp < 0 ||
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(nComp == 0 && m_nSection < rhs.m_nSection);
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}
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struct IsSameSection // is used to check container for duplicates with std::any_of
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{
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const OString& rAttribute;
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const sal_uInt32 nSection;
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bool operator()(const Parameter& r) const
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{ return r.m_aAttribute == rAttribute && r.m_nSection == nSection; }
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};
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};
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typedef std::forward_list<Parameter> ParameterList;
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bool parseParameters(ParameterList const & rInput,
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INetContentTypeParameterList * pOutput);
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// appendISO88591
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void appendISO88591(OUStringBuffer & rText, char const * pBegin,
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char const * pEnd)
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{
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sal_Int32 nLength = pEnd - pBegin;
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std::unique_ptr<sal_Unicode[]> pBuffer(new sal_Unicode[nLength]);
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for (sal_Unicode * p = pBuffer.get(); pBegin != pEnd;)
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*p++ = static_cast<unsigned char>(*pBegin++);
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rText.append(pBuffer.get(), nLength);
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}
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// parseParameters
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bool parseParameters(ParameterList const & rInput,
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INetContentTypeParameterList * pOutput)
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{
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if (pOutput)
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pOutput->clear();
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for (auto it = rInput.begin(), itPrev = rInput.end(); it != rInput.end() ; itPrev = it++)
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{
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if (it->m_nSection > 0
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&& (itPrev == rInput.end()
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|| itPrev->m_nSection != it->m_nSection - 1
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|| itPrev->m_aAttribute != it->m_aAttribute))
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return false;
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}
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if (pOutput)
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for (auto it = rInput.begin(), itNext = rInput.begin(); it != rInput.end(); it = itNext)
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{
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bool bCharset = !it->m_aCharset.isEmpty();
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rtl_TextEncoding eEncoding = RTL_TEXTENCODING_DONTKNOW;
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if (bCharset)
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eEncoding
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= getCharsetEncoding(it->m_aCharset.getStr(),
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it->m_aCharset.getStr()
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+ it->m_aCharset.getLength());
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OUStringBuffer aValue(64);
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bool bBadEncoding = false;
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itNext = it;
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do
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{
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sal_Size nSize;
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std::unique_ptr<sal_Unicode[]> pUnicode
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= convertToUnicode(itNext->m_aValue.getStr(),
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itNext->m_aValue.getStr()
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+ itNext->m_aValue.getLength(),
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bCharset && it->m_bExtended ?
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eEncoding :
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RTL_TEXTENCODING_UTF8,
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nSize);
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if (!pUnicode && !(bCharset && it->m_bExtended))
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pUnicode = convertToUnicode(
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itNext->m_aValue.getStr(),
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itNext->m_aValue.getStr()
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+ itNext->m_aValue.getLength(),
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RTL_TEXTENCODING_ISO_8859_1, nSize);
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if (!pUnicode)
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{
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bBadEncoding = true;
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break;
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}
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aValue.append(pUnicode.get(), static_cast<sal_Int32>(nSize));
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++itNext;
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}
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while (itNext != rInput.end() && itNext->m_nSection != 0);
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if (bBadEncoding)
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{
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aValue.setLength(0);
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itNext = it;
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do
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{
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if (itNext->m_bExtended)
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{
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for (sal_Int32 i = 0; i < itNext->m_aValue.getLength(); ++i)
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aValue.append(
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static_cast<sal_Unicode>(
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static_cast<unsigned char>(itNext->m_aValue[i])
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| 0xF800)); // map to unicode corporate use sub area
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}
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else
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{
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for (sal_Int32 i = 0; i < itNext->m_aValue.getLength(); ++i)
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aValue.append( itNext->m_aValue[i] );
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}
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++itNext;
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}
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while (itNext != rInput.end() && itNext->m_nSection != 0);
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}
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auto const ret = pOutput->insert(
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{it->m_aAttribute,
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{it->m_aCharset, it->m_aLanguage, aValue.makeStringAndClear(), !bBadEncoding}});
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SAL_INFO_IF(!ret.second, "tools",
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"INetMIME: dropping duplicate parameter: " << it->m_aAttribute);
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}
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return true;
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}
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/** Check whether some character is valid within an RFC 2045 <token>.
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@param nChar Some UCS-4 character.
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@return True if nChar is valid within an RFC 2047 <token> (US-ASCII
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'A'--'Z', 'a'--'z', '0'--'9', '!', '#', '$', '%', '&', ''', '*', '+',
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'-', '.', '^', '_', '`', '{', '|', '}', or '~').
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*/
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bool isTokenChar(sal_uInt32 nChar)
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{
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static const bool aMap[128]
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= { false, false, false, false, false, false, false, false,
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false, false, false, false, false, false, false, false,
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false, false, false, false, false, false, false, false,
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false, false, false, false, false, false, false, false,
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false, true, false, true, true, true, true, true, // !"#$%&'
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false, false, true, true, false, true, true, false, //()*+,-./
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true, true, true, true, true, true, true, true, //01234567
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true, true, false, false, false, false, false, false, //89:;<=>?
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false, true, true, true, true, true, true, true, //@ABCDEFG
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true, true, true, true, true, true, true, true, //HIJKLMNO
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true, true, true, true, true, true, true, true, //PQRSTUVW
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true, true, true, false, false, false, true, true, //XYZ[\]^_
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true, true, true, true, true, true, true, true, //`abcdefg
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true, true, true, true, true, true, true, true, //hijklmno
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true, true, true, true, true, true, true, true, //pqrstuvw
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true, true, true, true, true, true, true, false //xyz{|}~
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};
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return rtl::isAscii(nChar) && aMap[nChar];
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}
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const sal_Unicode * skipComment(const sal_Unicode * pBegin,
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const sal_Unicode * pEnd)
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{
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assert(pBegin && pBegin <= pEnd && "skipComment(): Bad sequence");
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if (pBegin != pEnd && *pBegin == '(')
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{
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sal_uInt32 nLevel = 0;
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for (const sal_Unicode * p = pBegin; p != pEnd;)
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switch (*p++)
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{
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case '(':
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++nLevel;
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break;
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case ')':
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if (--nLevel == 0)
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return p;
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break;
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case '\\':
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if (p != pEnd)
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++p;
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break;
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}
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}
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return pBegin;
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}
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|
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const sal_Unicode * skipLinearWhiteSpaceComment(const sal_Unicode *
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pBegin,
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const sal_Unicode *
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pEnd)
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{
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assert(pBegin && pBegin <= pEnd && "skipLinearWhiteSpaceComment(): Bad sequence");
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|
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while (pBegin != pEnd)
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switch (*pBegin)
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{
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case '\t':
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case ' ':
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++pBegin;
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break;
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case 0x0D: // CR
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if (startsWithLineFolding(pBegin, pEnd))
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pBegin += 3;
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else
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return pBegin;
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break;
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case '(':
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{
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const sal_Unicode * p = skipComment(pBegin, pEnd);
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if (p == pBegin)
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return pBegin;
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pBegin = p;
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break;
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}
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default:
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return pBegin;
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}
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return pBegin;
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}
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const sal_Unicode * skipQuotedString(const sal_Unicode * pBegin,
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const sal_Unicode * pEnd)
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{
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assert(pBegin && pBegin <= pEnd && "skipQuotedString(): Bad sequence");
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|
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if (pBegin != pEnd && *pBegin == '"')
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for (const sal_Unicode * p = pBegin + 1; p != pEnd;)
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switch (*p++)
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{
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case 0x0D: // CR
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if (pEnd - p < 2 || *p++ != 0x0A // LF
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|| !isWhiteSpace(*p++))
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return pBegin;
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break;
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|
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case '"':
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return p;
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|
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case '\\':
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if (p != pEnd)
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++p;
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break;
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}
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return pBegin;
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|
}
|
|
|
|
sal_Unicode const * scanParameters(sal_Unicode const * pBegin,
|
|
sal_Unicode const * pEnd,
|
|
INetContentTypeParameterList *
|
|
pParameters)
|
|
{
|
|
ParameterList aList;
|
|
sal_Unicode const * pParameterBegin = pBegin;
|
|
for (sal_Unicode const * p = pParameterBegin;;)
|
|
{
|
|
pParameterBegin = skipLinearWhiteSpaceComment(p, pEnd);
|
|
if (pParameterBegin == pEnd || *pParameterBegin != ';')
|
|
break;
|
|
p = pParameterBegin + 1;
|
|
|
|
sal_Unicode const * pAttributeBegin
|
|
= skipLinearWhiteSpaceComment(p, pEnd);
|
|
p = pAttributeBegin;
|
|
bool bDowncaseAttribute = false;
|
|
while (p != pEnd && isTokenChar(*p) && *p != '*')
|
|
{
|
|
bDowncaseAttribute = bDowncaseAttribute || rtl::isAsciiUpperCase(*p);
|
|
++p;
|
|
}
|
|
if (p == pAttributeBegin)
|
|
break;
|
|
OString aAttribute(pAttributeBegin, p - pAttributeBegin, RTL_TEXTENCODING_ASCII_US);
|
|
if (bDowncaseAttribute)
|
|
aAttribute = aAttribute.toAsciiLowerCase();
|
|
|
|
sal_uInt32 nSection = 0;
|
|
if (p != pEnd && *p == '*')
|
|
{
|
|
++p;
|
|
if (p != pEnd && rtl::isAsciiDigit(*p)
|
|
&& !INetMIME::scanUnsigned(p, pEnd, false, nSection))
|
|
break;
|
|
}
|
|
|
|
bool bPresent = std::any_of(aList.begin(), aList.end(),
|
|
Parameter::IsSameSection{aAttribute, nSection});
|
|
if (bPresent)
|
|
break;
|
|
|
|
bool bExtended = false;
|
|
if (p != pEnd && *p == '*')
|
|
{
|
|
++p;
|
|
bExtended = true;
|
|
}
|
|
|
|
p = skipLinearWhiteSpaceComment(p, pEnd);
|
|
|
|
if (p == pEnd || *p != '=')
|
|
break;
|
|
|
|
p = skipLinearWhiteSpaceComment(p + 1, pEnd);
|
|
|
|
OString aCharset;
|
|
OString aLanguage;
|
|
OString aValue;
|
|
if (bExtended)
|
|
{
|
|
if (nSection == 0)
|
|
{
|
|
sal_Unicode const * pCharsetBegin = p;
|
|
bool bDowncaseCharset = false;
|
|
while (p != pEnd && isTokenChar(*p) && *p != '\'')
|
|
{
|
|
bDowncaseCharset = bDowncaseCharset || rtl::isAsciiUpperCase(*p);
|
|
++p;
|
|
}
|
|
if (p == pCharsetBegin)
|
|
break;
|
|
if (pParameters)
|
|
{
|
|
aCharset = OString(
|
|
pCharsetBegin,
|
|
p - pCharsetBegin,
|
|
RTL_TEXTENCODING_ASCII_US);
|
|
if (bDowncaseCharset)
|
|
aCharset = aCharset.toAsciiLowerCase();
|
|
}
|
|
|
|
if (p == pEnd || *p != '\'')
|
|
break;
|
|
++p;
|
|
|
|
sal_Unicode const * pLanguageBegin = p;
|
|
bool bDowncaseLanguage = false;
|
|
int nLetters = 0;
|
|
for (; p != pEnd; ++p)
|
|
if (rtl::isAsciiAlpha(*p))
|
|
{
|
|
if (++nLetters > 8)
|
|
break;
|
|
bDowncaseLanguage = bDowncaseLanguage
|
|
|| rtl::isAsciiUpperCase(*p);
|
|
}
|
|
else if (*p == '-')
|
|
{
|
|
if (nLetters == 0)
|
|
break;
|
|
nLetters = 0;
|
|
}
|
|
else
|
|
break;
|
|
if (nLetters == 0 || nLetters > 8)
|
|
break;
|
|
if (pParameters)
|
|
{
|
|
aLanguage = OString(
|
|
pLanguageBegin,
|
|
p - pLanguageBegin,
|
|
RTL_TEXTENCODING_ASCII_US);
|
|
if (bDowncaseLanguage)
|
|
aLanguage = aLanguage.toAsciiLowerCase();
|
|
}
|
|
|
|
if (p == pEnd || *p != '\'')
|
|
break;
|
|
++p;
|
|
}
|
|
if (pParameters)
|
|
{
|
|
OStringBuffer aSink;
|
|
while (p != pEnd)
|
|
{
|
|
auto q = p;
|
|
sal_uInt32 nChar = INetMIME::getUTF32Character(q, pEnd);
|
|
if (rtl::isAscii(nChar) && !isTokenChar(nChar))
|
|
break;
|
|
p = q;
|
|
if (nChar == '%' && p + 1 < pEnd)
|
|
{
|
|
int nWeight1 = INetMIME::getHexWeight(p[0]);
|
|
int nWeight2 = INetMIME::getHexWeight(p[1]);
|
|
if (nWeight1 >= 0 && nWeight2 >= 0)
|
|
{
|
|
aSink.append(char(nWeight1 << 4 | nWeight2));
|
|
p += 2;
|
|
continue;
|
|
}
|
|
}
|
|
writeUTF8(aSink, nChar);
|
|
}
|
|
aValue = aSink.makeStringAndClear();
|
|
}
|
|
else
|
|
while (p != pEnd && (isTokenChar(*p) || !rtl::isAscii(*p)))
|
|
++p;
|
|
}
|
|
else if (p != pEnd && *p == '"')
|
|
if (pParameters)
|
|
{
|
|
OStringBuffer aSink(256);
|
|
bool bInvalid = false;
|
|
for (++p;;)
|
|
{
|
|
if (p == pEnd)
|
|
{
|
|
bInvalid = true;
|
|
break;
|
|
}
|
|
sal_uInt32 nChar = INetMIME::getUTF32Character(p, pEnd);
|
|
if (nChar == '"')
|
|
break;
|
|
else if (nChar == 0x0D) // CR
|
|
{
|
|
if (pEnd - p < 2 || *p++ != 0x0A // LF
|
|
|| !isWhiteSpace(*p))
|
|
{
|
|
bInvalid = true;
|
|
break;
|
|
}
|
|
nChar = static_cast<unsigned char>(*p++);
|
|
}
|
|
else if (nChar == '\\')
|
|
{
|
|
if (p == pEnd)
|
|
{
|
|
bInvalid = true;
|
|
break;
|
|
}
|
|
nChar = INetMIME::getUTF32Character(p, pEnd);
|
|
}
|
|
writeUTF8(aSink, nChar);
|
|
}
|
|
if (bInvalid)
|
|
break;
|
|
aValue = aSink.makeStringAndClear();
|
|
}
|
|
else
|
|
{
|
|
sal_Unicode const * pStringEnd = skipQuotedString(p, pEnd);
|
|
if (p == pStringEnd)
|
|
break;
|
|
p = pStringEnd;
|
|
}
|
|
else
|
|
{
|
|
sal_Unicode const * pTokenBegin = p;
|
|
while (p != pEnd && (isTokenChar(*p) || !rtl::isAscii(*p)))
|
|
++p;
|
|
if (p == pTokenBegin)
|
|
break;
|
|
if (pParameters)
|
|
aValue = OString(
|
|
pTokenBegin, p - pTokenBegin,
|
|
RTL_TEXTENCODING_UTF8);
|
|
}
|
|
aList.emplace_front(Parameter{aAttribute, aCharset, aLanguage, aValue, nSection, bExtended});
|
|
}
|
|
aList.sort();
|
|
return parseParameters(aList, pParameters) ? pParameterBegin : pBegin;
|
|
}
|
|
|
|
bool equalIgnoreCase(const char * pBegin1,
|
|
const char * pEnd1,
|
|
const char * pString2)
|
|
{
|
|
assert(pBegin1 && pBegin1 <= pEnd1 && pString2 &&
|
|
"equalIgnoreCase(): Bad sequences");
|
|
|
|
while (*pString2 != 0)
|
|
if (pBegin1 == pEnd1
|
|
|| (rtl::toAsciiUpperCase(static_cast<unsigned char>(*pBegin1++))
|
|
!= rtl::toAsciiUpperCase(
|
|
static_cast<unsigned char>(*pString2++))))
|
|
return false;
|
|
return pBegin1 == pEnd1;
|
|
}
|
|
|
|
struct EncodingEntry
|
|
{
|
|
char const * m_aName;
|
|
rtl_TextEncoding m_eEncoding;
|
|
};
|
|
|
|
// The source for the following table is <ftp://ftp.iana.org/in-notes/iana/
|
|
// assignments/character-sets> as of Jan, 21 2000 12:46:00, unless otherwise
|
|
// noted:
|
|
EncodingEntry const aEncodingMap[]
|
|
= { { "US-ASCII", RTL_TEXTENCODING_ASCII_US },
|
|
{ "ANSI_X3.4-1968", RTL_TEXTENCODING_ASCII_US },
|
|
{ "ISO-IR-6", RTL_TEXTENCODING_ASCII_US },
|
|
{ "ANSI_X3.4-1986", RTL_TEXTENCODING_ASCII_US },
|
|
{ "ISO_646.IRV:1991", RTL_TEXTENCODING_ASCII_US },
|
|
{ "ASCII", RTL_TEXTENCODING_ASCII_US },
|
|
{ "ISO646-US", RTL_TEXTENCODING_ASCII_US },
|
|
{ "US", RTL_TEXTENCODING_ASCII_US },
|
|
{ "IBM367", RTL_TEXTENCODING_ASCII_US },
|
|
{ "CP367", RTL_TEXTENCODING_ASCII_US },
|
|
{ "CSASCII", RTL_TEXTENCODING_ASCII_US },
|
|
{ "ISO-8859-1", RTL_TEXTENCODING_ISO_8859_1 },
|
|
{ "ISO_8859-1:1987", RTL_TEXTENCODING_ISO_8859_1 },
|
|
{ "ISO-IR-100", RTL_TEXTENCODING_ISO_8859_1 },
|
|
{ "ISO_8859-1", RTL_TEXTENCODING_ISO_8859_1 },
|
|
{ "LATIN1", RTL_TEXTENCODING_ISO_8859_1 },
|
|
{ "L1", RTL_TEXTENCODING_ISO_8859_1 },
|
|
{ "IBM819", RTL_TEXTENCODING_ISO_8859_1 },
|
|
{ "CP819", RTL_TEXTENCODING_ISO_8859_1 },
|
|
{ "CSISOLATIN1", RTL_TEXTENCODING_ISO_8859_1 },
|
|
{ "ISO-8859-2", RTL_TEXTENCODING_ISO_8859_2 },
|
|
{ "ISO_8859-2:1987", RTL_TEXTENCODING_ISO_8859_2 },
|
|
{ "ISO-IR-101", RTL_TEXTENCODING_ISO_8859_2 },
|
|
{ "ISO_8859-2", RTL_TEXTENCODING_ISO_8859_2 },
|
|
{ "LATIN2", RTL_TEXTENCODING_ISO_8859_2 },
|
|
{ "L2", RTL_TEXTENCODING_ISO_8859_2 },
|
|
{ "CSISOLATIN2", RTL_TEXTENCODING_ISO_8859_2 },
|
|
{ "ISO-8859-3", RTL_TEXTENCODING_ISO_8859_3 },
|
|
{ "ISO_8859-3:1988", RTL_TEXTENCODING_ISO_8859_3 },
|
|
{ "ISO-IR-109", RTL_TEXTENCODING_ISO_8859_3 },
|
|
{ "ISO_8859-3", RTL_TEXTENCODING_ISO_8859_3 },
|
|
{ "LATIN3", RTL_TEXTENCODING_ISO_8859_3 },
|
|
{ "L3", RTL_TEXTENCODING_ISO_8859_3 },
|
|
{ "CSISOLATIN3", RTL_TEXTENCODING_ISO_8859_3 },
|
|
{ "ISO-8859-4", RTL_TEXTENCODING_ISO_8859_4 },
|
|
{ "ISO_8859-4:1988", RTL_TEXTENCODING_ISO_8859_4 },
|
|
{ "ISO-IR-110", RTL_TEXTENCODING_ISO_8859_4 },
|
|
{ "ISO_8859-4", RTL_TEXTENCODING_ISO_8859_4 },
|
|
{ "LATIN4", RTL_TEXTENCODING_ISO_8859_4 },
|
|
{ "L4", RTL_TEXTENCODING_ISO_8859_4 },
|
|
{ "CSISOLATIN4", RTL_TEXTENCODING_ISO_8859_4 },
|
|
{ "ISO-8859-5", RTL_TEXTENCODING_ISO_8859_5 },
|
|
{ "ISO_8859-5:1988", RTL_TEXTENCODING_ISO_8859_5 },
|
|
{ "ISO-IR-144", RTL_TEXTENCODING_ISO_8859_5 },
|
|
{ "ISO_8859-5", RTL_TEXTENCODING_ISO_8859_5 },
|
|
{ "CYRILLIC", RTL_TEXTENCODING_ISO_8859_5 },
|
|
{ "CSISOLATINCYRILLIC", RTL_TEXTENCODING_ISO_8859_5 },
|
|
{ "ISO-8859-6", RTL_TEXTENCODING_ISO_8859_6 },
|
|
{ "ISO_8859-6:1987", RTL_TEXTENCODING_ISO_8859_6 },
|
|
{ "ISO-IR-127", RTL_TEXTENCODING_ISO_8859_6 },
|
|
{ "ISO_8859-6", RTL_TEXTENCODING_ISO_8859_6 },
|
|
{ "ECMA-114", RTL_TEXTENCODING_ISO_8859_6 },
|
|
{ "ASMO-708", RTL_TEXTENCODING_ISO_8859_6 },
|
|
{ "ARABIC", RTL_TEXTENCODING_ISO_8859_6 },
|
|
{ "CSISOLATINARABIC", RTL_TEXTENCODING_ISO_8859_6 },
|
|
{ "ISO-8859-7", RTL_TEXTENCODING_ISO_8859_7 },
|
|
{ "ISO_8859-7:1987", RTL_TEXTENCODING_ISO_8859_7 },
|
|
{ "ISO-IR-126", RTL_TEXTENCODING_ISO_8859_7 },
|
|
{ "ISO_8859-7", RTL_TEXTENCODING_ISO_8859_7 },
|
|
{ "ELOT_928", RTL_TEXTENCODING_ISO_8859_7 },
|
|
{ "ECMA-118", RTL_TEXTENCODING_ISO_8859_7 },
|
|
{ "GREEK", RTL_TEXTENCODING_ISO_8859_7 },
|
|
{ "GREEK8", RTL_TEXTENCODING_ISO_8859_7 },
|
|
{ "CSISOLATINGREEK", RTL_TEXTENCODING_ISO_8859_7 },
|
|
{ "ISO-8859-8", RTL_TEXTENCODING_ISO_8859_8 },
|
|
{ "ISO_8859-8:1988", RTL_TEXTENCODING_ISO_8859_8 },
|
|
{ "ISO-IR-138", RTL_TEXTENCODING_ISO_8859_8 },
|
|
{ "ISO_8859-8", RTL_TEXTENCODING_ISO_8859_8 },
|
|
{ "HEBREW", RTL_TEXTENCODING_ISO_8859_8 },
|
|
{ "CSISOLATINHEBREW", RTL_TEXTENCODING_ISO_8859_8 },
|
|
{ "ISO-8859-9", RTL_TEXTENCODING_ISO_8859_9 },
|
|
{ "ISO_8859-9:1989", RTL_TEXTENCODING_ISO_8859_9 },
|
|
{ "ISO-IR-148", RTL_TEXTENCODING_ISO_8859_9 },
|
|
{ "ISO_8859-9", RTL_TEXTENCODING_ISO_8859_9 },
|
|
{ "LATIN5", RTL_TEXTENCODING_ISO_8859_9 },
|
|
{ "L5", RTL_TEXTENCODING_ISO_8859_9 },
|
|
{ "CSISOLATIN5", RTL_TEXTENCODING_ISO_8859_9 },
|
|
{ "ISO-8859-14", RTL_TEXTENCODING_ISO_8859_14 }, // RFC 2047
|
|
{ "ISO_8859-15", RTL_TEXTENCODING_ISO_8859_15 },
|
|
{ "ISO-8859-15", RTL_TEXTENCODING_ISO_8859_15 }, // RFC 2047
|
|
{ "MACINTOSH", RTL_TEXTENCODING_APPLE_ROMAN },
|
|
{ "MAC", RTL_TEXTENCODING_APPLE_ROMAN },
|
|
{ "CSMACINTOSH", RTL_TEXTENCODING_APPLE_ROMAN },
|
|
{ "IBM437", RTL_TEXTENCODING_IBM_437 },
|
|
{ "CP437", RTL_TEXTENCODING_IBM_437 },
|
|
{ "437", RTL_TEXTENCODING_IBM_437 },
|
|
{ "CSPC8CODEPAGE437", RTL_TEXTENCODING_IBM_437 },
|
|
{ "IBM850", RTL_TEXTENCODING_IBM_850 },
|
|
{ "CP850", RTL_TEXTENCODING_IBM_850 },
|
|
{ "850", RTL_TEXTENCODING_IBM_850 },
|
|
{ "CSPC850MULTILINGUAL", RTL_TEXTENCODING_IBM_850 },
|
|
{ "IBM860", RTL_TEXTENCODING_IBM_860 },
|
|
{ "CP860", RTL_TEXTENCODING_IBM_860 },
|
|
{ "860", RTL_TEXTENCODING_IBM_860 },
|
|
{ "CSIBM860", RTL_TEXTENCODING_IBM_860 },
|
|
{ "IBM861", RTL_TEXTENCODING_IBM_861 },
|
|
{ "CP861", RTL_TEXTENCODING_IBM_861 },
|
|
{ "861", RTL_TEXTENCODING_IBM_861 },
|
|
{ "CP-IS", RTL_TEXTENCODING_IBM_861 },
|
|
{ "CSIBM861", RTL_TEXTENCODING_IBM_861 },
|
|
{ "IBM863", RTL_TEXTENCODING_IBM_863 },
|
|
{ "CP863", RTL_TEXTENCODING_IBM_863 },
|
|
{ "863", RTL_TEXTENCODING_IBM_863 },
|
|
{ "CSIBM863", RTL_TEXTENCODING_IBM_863 },
|
|
{ "IBM865", RTL_TEXTENCODING_IBM_865 },
|
|
{ "CP865", RTL_TEXTENCODING_IBM_865 },
|
|
{ "865", RTL_TEXTENCODING_IBM_865 },
|
|
{ "CSIBM865", RTL_TEXTENCODING_IBM_865 },
|
|
{ "IBM775", RTL_TEXTENCODING_IBM_775 },
|
|
{ "CP775", RTL_TEXTENCODING_IBM_775 },
|
|
{ "CSPC775BALTIC", RTL_TEXTENCODING_IBM_775 },
|
|
{ "IBM852", RTL_TEXTENCODING_IBM_852 },
|
|
{ "CP852", RTL_TEXTENCODING_IBM_852 },
|
|
{ "852", RTL_TEXTENCODING_IBM_852 },
|
|
{ "CSPCP852", RTL_TEXTENCODING_IBM_852 },
|
|
{ "IBM855", RTL_TEXTENCODING_IBM_855 },
|
|
{ "CP855", RTL_TEXTENCODING_IBM_855 },
|
|
{ "855", RTL_TEXTENCODING_IBM_855 },
|
|
{ "CSIBM855", RTL_TEXTENCODING_IBM_855 },
|
|
{ "IBM857", RTL_TEXTENCODING_IBM_857 },
|
|
{ "CP857", RTL_TEXTENCODING_IBM_857 },
|
|
{ "857", RTL_TEXTENCODING_IBM_857 },
|
|
{ "CSIBM857", RTL_TEXTENCODING_IBM_857 },
|
|
{ "IBM862", RTL_TEXTENCODING_IBM_862 },
|
|
{ "CP862", RTL_TEXTENCODING_IBM_862 },
|
|
{ "862", RTL_TEXTENCODING_IBM_862 },
|
|
{ "CSPC862LATINHEBREW", RTL_TEXTENCODING_IBM_862 },
|
|
{ "IBM864", RTL_TEXTENCODING_IBM_864 },
|
|
{ "CP864", RTL_TEXTENCODING_IBM_864 },
|
|
{ "CSIBM864", RTL_TEXTENCODING_IBM_864 },
|
|
{ "IBM866", RTL_TEXTENCODING_IBM_866 },
|
|
{ "CP866", RTL_TEXTENCODING_IBM_866 },
|
|
{ "866", RTL_TEXTENCODING_IBM_866 },
|
|
{ "CSIBM866", RTL_TEXTENCODING_IBM_866 },
|
|
{ "IBM869", RTL_TEXTENCODING_IBM_869 },
|
|
{ "CP869", RTL_TEXTENCODING_IBM_869 },
|
|
{ "869", RTL_TEXTENCODING_IBM_869 },
|
|
{ "CP-GR", RTL_TEXTENCODING_IBM_869 },
|
|
{ "CSIBM869", RTL_TEXTENCODING_IBM_869 },
|
|
{ "WINDOWS-1250", RTL_TEXTENCODING_MS_1250 },
|
|
{ "WINDOWS-1251", RTL_TEXTENCODING_MS_1251 },
|
|
{ "WINDOWS-1253", RTL_TEXTENCODING_MS_1253 },
|
|
{ "WINDOWS-1254", RTL_TEXTENCODING_MS_1254 },
|
|
{ "WINDOWS-1255", RTL_TEXTENCODING_MS_1255 },
|
|
{ "WINDOWS-1256", RTL_TEXTENCODING_MS_1256 },
|
|
{ "WINDOWS-1257", RTL_TEXTENCODING_MS_1257 },
|
|
{ "WINDOWS-1258", RTL_TEXTENCODING_MS_1258 },
|
|
{ "SHIFT_JIS", RTL_TEXTENCODING_SHIFT_JIS },
|
|
{ "MS_KANJI", RTL_TEXTENCODING_SHIFT_JIS },
|
|
{ "CSSHIFTJIS", RTL_TEXTENCODING_SHIFT_JIS },
|
|
{ "GB2312", RTL_TEXTENCODING_GB_2312 },
|
|
{ "CSGB2312", RTL_TEXTENCODING_GB_2312 },
|
|
{ "BIG5", RTL_TEXTENCODING_BIG5 },
|
|
{ "CSBIG5", RTL_TEXTENCODING_BIG5 },
|
|
{ "EUC-JP", RTL_TEXTENCODING_EUC_JP },
|
|
{ "EXTENDED_UNIX_CODE_PACKED_FORMAT_FOR_JAPANESE",
|
|
RTL_TEXTENCODING_EUC_JP },
|
|
{ "CSEUCPKDFMTJAPANESE", RTL_TEXTENCODING_EUC_JP },
|
|
{ "ISO-2022-JP", RTL_TEXTENCODING_ISO_2022_JP },
|
|
{ "CSISO2022JP", RTL_TEXTENCODING_ISO_2022_JP },
|
|
{ "ISO-2022-CN", RTL_TEXTENCODING_ISO_2022_CN },
|
|
{ "KOI8-R", RTL_TEXTENCODING_KOI8_R },
|
|
{ "CSKOI8R", RTL_TEXTENCODING_KOI8_R },
|
|
{ "UTF-7", RTL_TEXTENCODING_UTF7 },
|
|
{ "UTF-8", RTL_TEXTENCODING_UTF8 },
|
|
{ "ISO-8859-10", RTL_TEXTENCODING_ISO_8859_10 }, // RFC 2047
|
|
{ "ISO-8859-13", RTL_TEXTENCODING_ISO_8859_13 }, // RFC 2047
|
|
{ "EUC-KR", RTL_TEXTENCODING_EUC_KR },
|
|
{ "CSEUCKR", RTL_TEXTENCODING_EUC_KR },
|
|
{ "ISO-2022-KR", RTL_TEXTENCODING_ISO_2022_KR },
|
|
{ "CSISO2022KR", RTL_TEXTENCODING_ISO_2022_KR },
|
|
{ "ISO-10646-UCS-4", RTL_TEXTENCODING_UCS4 },
|
|
{ "CSUCS4", RTL_TEXTENCODING_UCS4 },
|
|
{ "ISO-10646-UCS-2", RTL_TEXTENCODING_UCS2 },
|
|
{ "CSUNICODE", RTL_TEXTENCODING_UCS2 } };
|
|
|
|
rtl_TextEncoding getCharsetEncoding(char const * pBegin,
|
|
char const * pEnd)
|
|
{
|
|
for (const EncodingEntry& i : aEncodingMap)
|
|
if (equalIgnoreCase(pBegin, pEnd, i.m_aName))
|
|
return i.m_eEncoding;
|
|
return RTL_TEXTENCODING_DONTKNOW;
|
|
}
|
|
|
|
}
|
|
|
|
// INetMIME
|
|
|
|
// static
|
|
bool INetMIME::isAtomChar(sal_uInt32 nChar)
|
|
{
|
|
static const bool aMap[128]
|
|
= { false, false, false, false, false, false, false, false,
|
|
false, false, false, false, false, false, false, false,
|
|
false, false, false, false, false, false, false, false,
|
|
false, false, false, false, false, false, false, false,
|
|
false, true, false, true, true, true, true, true, // !"#$%&'
|
|
false, false, true, true, false, true, false, true, //()*+,-./
|
|
true, true, true, true, true, true, true, true, //01234567
|
|
true, true, false, false, false, true, false, true, //89:;<=>?
|
|
false, true, true, true, true, true, true, true, //@ABCDEFG
|
|
true, true, true, true, true, true, true, true, //HIJKLMNO
|
|
true, true, true, true, true, true, true, true, //PQRSTUVW
|
|
true, true, true, false, false, false, true, true, //XYZ[\]^_
|
|
true, true, true, true, true, true, true, true, //`abcdefg
|
|
true, true, true, true, true, true, true, true, //hijklmno
|
|
true, true, true, true, true, true, true, true, //pqrstuvw
|
|
true, true, true, true, true, true, true, false //xyz{|}~
|
|
};
|
|
return rtl::isAscii(nChar) && aMap[nChar];
|
|
}
|
|
|
|
// static
|
|
bool INetMIME::isIMAPAtomChar(sal_uInt32 nChar)
|
|
{
|
|
static const bool aMap[128]
|
|
= { false, false, false, false, false, false, false, false,
|
|
false, false, false, false, false, false, false, false,
|
|
false, false, false, false, false, false, false, false,
|
|
false, false, false, false, false, false, false, false,
|
|
false, true, false, true, true, false, true, true, // !"#$%&'
|
|
false, false, false, true, true, true, true, true, //()*+,-./
|
|
true, true, true, true, true, true, true, true, //01234567
|
|
true, true, true, true, true, true, true, true, //89:;<=>?
|
|
true, true, true, true, true, true, true, true, //@ABCDEFG
|
|
true, true, true, true, true, true, true, true, //HIJKLMNO
|
|
true, true, true, true, true, true, true, true, //PQRSTUVW
|
|
true, true, true, true, false, true, true, true, //XYZ[\]^_
|
|
true, true, true, true, true, true, true, true, //`abcdefg
|
|
true, true, true, true, true, true, true, true, //hijklmno
|
|
true, true, true, true, true, true, true, true, //pqrstuvw
|
|
true, true, true, false, true, true, true, false //xyz{|}~
|
|
};
|
|
return rtl::isAscii(nChar) && aMap[nChar];
|
|
}
|
|
|
|
// static
|
|
bool INetMIME::equalIgnoreCase(const sal_Unicode * pBegin1,
|
|
const sal_Unicode * pEnd1,
|
|
const char * pString2)
|
|
{
|
|
assert(pBegin1 && pBegin1 <= pEnd1 && pString2 &&
|
|
"INetMIME::equalIgnoreCase(): Bad sequences");
|
|
|
|
while (*pString2 != 0)
|
|
if (pBegin1 == pEnd1
|
|
|| (rtl::toAsciiUpperCase(*pBegin1++)
|
|
!= rtl::toAsciiUpperCase(
|
|
static_cast<unsigned char>(*pString2++))))
|
|
return false;
|
|
return pBegin1 == pEnd1;
|
|
}
|
|
|
|
// static
|
|
bool INetMIME::scanUnsigned(const sal_Unicode *& rBegin,
|
|
const sal_Unicode * pEnd, bool bLeadingZeroes,
|
|
sal_uInt32 & rValue)
|
|
{
|
|
sal_uInt64 nTheValue = 0;
|
|
const sal_Unicode * p = rBegin;
|
|
for ( ; p != pEnd; ++p)
|
|
{
|
|
int nWeight = getWeight(*p);
|
|
if (nWeight < 0)
|
|
break;
|
|
nTheValue = 10 * nTheValue + nWeight;
|
|
if (nTheValue > std::numeric_limits< sal_uInt32 >::max())
|
|
return false;
|
|
}
|
|
if (nTheValue == 0 && (p == rBegin || (!bLeadingZeroes && p - rBegin != 1)))
|
|
return false;
|
|
rBegin = p;
|
|
rValue = sal_uInt32(nTheValue);
|
|
return true;
|
|
}
|
|
|
|
// static
|
|
sal_Unicode const * INetMIME::scanContentType(
|
|
std::u16string_view rStr, OUString * pType,
|
|
OUString * pSubType, INetContentTypeParameterList * pParameters)
|
|
{
|
|
sal_Unicode const * pBegin = rStr.data();
|
|
sal_Unicode const * pEnd = pBegin + rStr.size();
|
|
sal_Unicode const * p = skipLinearWhiteSpaceComment(pBegin, pEnd);
|
|
sal_Unicode const * pTypeBegin = p;
|
|
while (p != pEnd && isTokenChar(*p))
|
|
{
|
|
++p;
|
|
}
|
|
if (p == pTypeBegin)
|
|
return nullptr;
|
|
sal_Unicode const * pTypeEnd = p;
|
|
|
|
p = skipLinearWhiteSpaceComment(p, pEnd);
|
|
if (p == pEnd || *p++ != '/')
|
|
return nullptr;
|
|
|
|
p = skipLinearWhiteSpaceComment(p, pEnd);
|
|
sal_Unicode const * pSubTypeBegin = p;
|
|
while (p != pEnd && isTokenChar(*p))
|
|
{
|
|
++p;
|
|
}
|
|
if (p == pSubTypeBegin)
|
|
return nullptr;
|
|
sal_Unicode const * pSubTypeEnd = p;
|
|
|
|
if (pType != nullptr)
|
|
{
|
|
*pType = OUString(pTypeBegin, pTypeEnd - pTypeBegin).toAsciiLowerCase();
|
|
}
|
|
if (pSubType != nullptr)
|
|
{
|
|
*pSubType = OUString(pSubTypeBegin, pSubTypeEnd - pSubTypeBegin)
|
|
.toAsciiLowerCase();
|
|
}
|
|
|
|
return scanParameters(p, pEnd, pParameters);
|
|
}
|
|
|
|
// static
|
|
OUString INetMIME::decodeHeaderFieldBody(const OString& rBody)
|
|
{
|
|
// Due to a bug in INetCoreRFC822MessageStream::ConvertTo7Bit(), old
|
|
// versions of StarOffice send mails with header fields where encoded
|
|
// words can be preceded by '=', ',', '.', '"', or '(', and followed by
|
|
// '=', ',', '.', '"', ')', without any required white space in between.
|
|
// And there appear to exist some broken mailers that only encode single
|
|
// letters within words, like "Appel
|
|
// =?iso-8859-1?Q?=E0?=t=?iso-8859-1?Q?=E9?=moin", so it seems best to
|
|
// detect encoded words even when not properly surrounded by white space.
|
|
|
|
// Non US-ASCII characters in rBody are treated as ISO-8859-1.
|
|
|
|
// encoded-word = "=?"
|
|
// 1*(%x21 / %x23-27 / %x2A-2B / %x2D / %30-39 / %x41-5A / %x5E-7E)
|
|
// ["*" 1*8ALPHA *("-" 1*8ALPHA)] "?"
|
|
// ("B?" *(4base64) (4base64 / 3base64 "=" / 2base64 "==")
|
|
// / "Q?" 1*(%x21-3C / %x3E / %x40-7E / "=" 2HEXDIG))
|
|
// "?="
|
|
|
|
// base64 = ALPHA / DIGIT / "+" / "/"
|
|
|
|
const char * pBegin = rBody.getStr();
|
|
const char * pEnd = pBegin + rBody.getLength();
|
|
|
|
OUStringBuffer sDecoded;
|
|
const char * pCopyBegin = pBegin;
|
|
|
|
/* bool bStartEncodedWord = true; */
|
|
const char * pWSPBegin = pBegin;
|
|
|
|
for (const char * p = pBegin; p != pEnd;)
|
|
{
|
|
if (*p == '=' /* && bStartEncodedWord */)
|
|
{
|
|
const char * q = p + 1;
|
|
bool bEncodedWord = q != pEnd && *q++ == '?';
|
|
|
|
rtl_TextEncoding eCharsetEncoding = RTL_TEXTENCODING_DONTKNOW;
|
|
if (bEncodedWord)
|
|
{
|
|
const char * pCharsetBegin = q;
|
|
const char * pLanguageBegin = nullptr;
|
|
int nAlphaCount = 0;
|
|
for (bool bDone = false; !bDone;)
|
|
if (q == pEnd)
|
|
{
|
|
bEncodedWord = false;
|
|
bDone = true;
|
|
}
|
|
else
|
|
{
|
|
char cChar = *q++;
|
|
switch (cChar)
|
|
{
|
|
case '*':
|
|
pLanguageBegin = q - 1;
|
|
nAlphaCount = 0;
|
|
break;
|
|
|
|
case '-':
|
|
if (pLanguageBegin != nullptr)
|
|
{
|
|
if (nAlphaCount == 0)
|
|
pLanguageBegin = nullptr;
|
|
else
|
|
nAlphaCount = 0;
|
|
}
|
|
break;
|
|
|
|
case '?':
|
|
if (pCharsetBegin == q - 1)
|
|
bEncodedWord = false;
|
|
else
|
|
{
|
|
eCharsetEncoding
|
|
= getCharsetEncoding(
|
|
pCharsetBegin,
|
|
pLanguageBegin == nullptr
|
|
|| nAlphaCount == 0 ?
|
|
q - 1 : pLanguageBegin);
|
|
bEncodedWord = isMIMECharsetEncoding(
|
|
eCharsetEncoding);
|
|
eCharsetEncoding
|
|
= translateFromMIME(eCharsetEncoding);
|
|
}
|
|
bDone = true;
|
|
break;
|
|
|
|
default:
|
|
if (pLanguageBegin != nullptr
|
|
&& (!rtl::isAsciiAlpha(
|
|
static_cast<unsigned char>(cChar))
|
|
|| ++nAlphaCount > 8))
|
|
pLanguageBegin = nullptr;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool bEncodingB = false;
|
|
if (bEncodedWord)
|
|
{
|
|
if (q == pEnd)
|
|
bEncodedWord = false;
|
|
else
|
|
{
|
|
switch (*q++)
|
|
{
|
|
case 'B':
|
|
case 'b':
|
|
bEncodingB = true;
|
|
break;
|
|
|
|
case 'Q':
|
|
case 'q':
|
|
bEncodingB = false;
|
|
break;
|
|
|
|
default:
|
|
bEncodedWord = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
bEncodedWord = bEncodedWord && q != pEnd && *q++ == '?';
|
|
|
|
OStringBuffer sText;
|
|
if (bEncodedWord)
|
|
{
|
|
if (bEncodingB)
|
|
{
|
|
for (bool bDone = false; !bDone;)
|
|
{
|
|
if (pEnd - q < 4)
|
|
{
|
|
bEncodedWord = false;
|
|
bDone = true;
|
|
}
|
|
else
|
|
{
|
|
bool bFinal = false;
|
|
int nCount = 3;
|
|
sal_uInt32 nValue = 0;
|
|
for (int nShift = 18; nShift >= 0; nShift -= 6)
|
|
{
|
|
int nWeight = getBase64Weight(*q++);
|
|
if (nWeight == -2)
|
|
{
|
|
bEncodedWord = false;
|
|
bDone = true;
|
|
break;
|
|
}
|
|
if (nWeight == -1)
|
|
{
|
|
if (!bFinal)
|
|
{
|
|
if (nShift >= 12)
|
|
{
|
|
bEncodedWord = false;
|
|
bDone = true;
|
|
break;
|
|
}
|
|
bFinal = true;
|
|
nCount = nShift == 6 ? 1 : 2;
|
|
}
|
|
}
|
|
else
|
|
nValue |= nWeight << nShift;
|
|
}
|
|
if (bEncodedWord)
|
|
{
|
|
for (int nShift = 16; nCount-- > 0; nShift -= 8)
|
|
sText.append(char(nValue >> nShift & 0xFF));
|
|
if (*q == '?')
|
|
{
|
|
++q;
|
|
bDone = true;
|
|
}
|
|
if (bFinal && !bDone)
|
|
{
|
|
bEncodedWord = false;
|
|
bDone = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
const char * pEncodedTextBegin = q;
|
|
const char * pEncodedTextCopyBegin = q;
|
|
for (bool bDone = false; !bDone;)
|
|
if (q == pEnd)
|
|
{
|
|
bEncodedWord = false;
|
|
bDone = true;
|
|
}
|
|
else
|
|
{
|
|
sal_uInt32 nChar = static_cast<unsigned char>(*q++);
|
|
switch (nChar)
|
|
{
|
|
case '=':
|
|
{
|
|
if (pEnd - q < 2)
|
|
{
|
|
bEncodedWord = false;
|
|
bDone = true;
|
|
break;
|
|
}
|
|
int nDigit1 = getHexWeight(q[0]);
|
|
int nDigit2 = getHexWeight(q[1]);
|
|
if (nDigit1 < 0 || nDigit2 < 0)
|
|
{
|
|
bEncodedWord = false;
|
|
bDone = true;
|
|
break;
|
|
}
|
|
sText.append(
|
|
rBody.subView(
|
|
(pEncodedTextCopyBegin - pBegin),
|
|
(q - 1 - pEncodedTextCopyBegin))
|
|
+ OStringChar(char(nDigit1 << 4 | nDigit2)));
|
|
q += 2;
|
|
pEncodedTextCopyBegin = q;
|
|
break;
|
|
}
|
|
|
|
case '?':
|
|
if (q - pEncodedTextBegin > 1)
|
|
sText.append(rBody.subView(
|
|
(pEncodedTextCopyBegin - pBegin),
|
|
(q - 1 - pEncodedTextCopyBegin)));
|
|
else
|
|
bEncodedWord = false;
|
|
bDone = true;
|
|
break;
|
|
|
|
case '_':
|
|
sText.append(
|
|
rBody.subView(
|
|
(pEncodedTextCopyBegin - pBegin),
|
|
(q - 1 - pEncodedTextCopyBegin))
|
|
+ OString::Concat(" "));
|
|
pEncodedTextCopyBegin = q;
|
|
break;
|
|
|
|
default:
|
|
if (!isVisible(nChar))
|
|
{
|
|
bEncodedWord = false;
|
|
bDone = true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bEncodedWord = bEncodedWord && q != pEnd && *q++ == '=';
|
|
|
|
std::unique_ptr<sal_Unicode[]> pUnicodeBuffer;
|
|
sal_Size nUnicodeSize = 0;
|
|
if (bEncodedWord)
|
|
{
|
|
pUnicodeBuffer
|
|
= convertToUnicode(sText.getStr(),
|
|
sText.getStr() + sText.getLength(),
|
|
eCharsetEncoding, nUnicodeSize);
|
|
if (!pUnicodeBuffer)
|
|
bEncodedWord = false;
|
|
}
|
|
|
|
if (bEncodedWord)
|
|
{
|
|
appendISO88591(sDecoded, pCopyBegin, pWSPBegin);
|
|
sDecoded.append(
|
|
pUnicodeBuffer.get(),
|
|
static_cast< sal_Int32 >(nUnicodeSize));
|
|
pUnicodeBuffer.reset();
|
|
p = q;
|
|
pCopyBegin = p;
|
|
|
|
pWSPBegin = p;
|
|
while (p != pEnd && isWhiteSpace(*p))
|
|
++p;
|
|
/* bStartEncodedWord = p != pWSPBegin; */
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (p == pEnd)
|
|
break;
|
|
|
|
switch (*p++)
|
|
{
|
|
case '"':
|
|
/* bStartEncodedWord = true; */
|
|
break;
|
|
|
|
case '(':
|
|
/* bStartEncodedWord = true; */
|
|
break;
|
|
|
|
case ')':
|
|
/* bStartEncodedWord = false; */
|
|
break;
|
|
|
|
default:
|
|
{
|
|
const char * pUTF8Begin = p - 1;
|
|
const char * pUTF8End = pUTF8Begin;
|
|
sal_uInt32 nCharacter = 0;
|
|
if (translateUTF8Char(pUTF8End, pEnd, nCharacter))
|
|
{
|
|
appendISO88591(sDecoded, pCopyBegin, p - 1);
|
|
sDecoded.appendUtf32(nCharacter);
|
|
p = pUTF8End;
|
|
pCopyBegin = p;
|
|
}
|
|
/* bStartEncodedWord = false; */
|
|
break;
|
|
}
|
|
}
|
|
pWSPBegin = p;
|
|
}
|
|
|
|
appendISO88591(sDecoded, pCopyBegin, pEnd);
|
|
return sDecoded.makeStringAndClear();
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|