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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 <svl/lngmisc.hxx>
#include <comphelper/string.hxx>
#include <rtl/ustrbuf.hxx>
#include <tools/debug.hxx>
namespace linguistic
{
sal_Int32 GetNumControlChars(std::u16string_view rTxt)
{
sal_Int32 nCnt = 0;
for (size_t i = 0; i < rTxt.size(); ++i)
if (IsControlChar(rTxt[i]))
++nCnt;
return nCnt;
}
bool RemoveHyphens(OUString &rTxt)
{
sal_Int32 n = rTxt.getLength();
rTxt = rTxt.replaceAll(OUStringChar(SVT_SOFT_HYPHEN), "");
rTxt = rTxt.replaceAll(OUStringChar(SVT_HARD_HYPHEN), "");
return n != rTxt.getLength();
}
bool RemoveControlChars(OUString &rTxt)
{
sal_Int32 nSize = rTxt.getLength() - GetNumControlChars(rTxt);
if(nSize == rTxt.getLength())
return false;
OUStringBuffer aBuf(nSize);
aBuf.setLength(nSize);
for (sal_Int32 i = 0, j = 0; i < rTxt.getLength() && j < nSize; ++i)
if (!IsControlChar(rTxt[i]))
aBuf[j++] = rTxt[i];
rTxt = aBuf.makeStringAndClear();
DBG_ASSERT(rTxt.getLength() == nSize, "GetNumControlChars returned a different number of control characters than were actually removed.");
return true;
}
bool ReplaceControlChars(OUString &rTxt)
{
// non breaking field character
static const char CH_TXTATR_INWORD = static_cast<char>(0x02);
// the resulting string looks like this:
// 1. non breaking field characters get removed
// 2. remaining control characters will be replaced by ' '
if (GetNumControlChars(rTxt) == 0)
return false;
sal_Int32 n = rTxt.getLength();
OUStringBuffer aBuf(n);
aBuf.setLength(n);
sal_Int32 j = 0;
for (sal_Int32 i = 0; i < n && j < n; ++i)
{
if (CH_TXTATR_INWORD == rTxt[i])
continue;
aBuf[j++] = IsControlChar(rTxt[i]) ? ' ' : rTxt[i];
}
aBuf.setLength(j);
rTxt = aBuf.makeStringAndClear();
return true;
}
OUString GetThesaurusReplaceText(const OUString &rText)
{
// The strings for synonyms returned by the thesaurus sometimes have some
// explanation text put in between '(' and ')' or a trailing '*'.
// These parts should not be put in the ReplaceEdit Text that may get
// inserted into the document. Thus we strip them from the text.
OUString aText(rText);
sal_Int32 nPos = aText.indexOf('(');
while (nPos >= 0)
{
sal_Int32 nEnd = aText.indexOf(')', nPos);
if (nEnd >= 0)
{
OUStringBuffer aTextBuf(aText);
aTextBuf.remove(nPos, nEnd - nPos + 1);
aText = aTextBuf.makeStringAndClear();
}
else
break;
nPos = aText.indexOf('(');
}
nPos = aText.indexOf('*');
if(nPos == 0)
return OUString();
else if(nPos > 0)
aText = aText.copy(0, nPos);
// remove any possible remaining ' ' that may confuse the thesaurus
// when it gets called with the text
return comphelper::string::strip(aText, ' ');
}
} // namespace linguistic
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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