Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 623 insertions, 0 deletions

diff --git a/comphelper/source/misc/string.cxx b/comphelper/source/misc/string.cxx
new file mode 100644
index 000000000..d40b9136b
--- /dev/null
+++ b/comphelper/source/misc/string.cxx
@@ -0,0 +1,623 @@
+/* -*- 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 <cstddef>
+#include <string_view>
+#include <utility>
+#include <vector>
+#include <algorithm>
+
+#include <o3tl/safeint.hxx>
+#include <o3tl/string_view.hxx>
+#include <rtl/character.hxx>
+#include <rtl/ustring.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/string.hxx>
+#include <rtl/strbuf.hxx>
+#include <sal/types.h>
+
+#include <comphelper/string.hxx>
+#include <comphelper/stl_types.hxx>
+#include <comphelper/sequence.hxx>
+
+#include <com/sun/star/i18n/BreakIterator.hpp>
+#include <com/sun/star/i18n/CharType.hpp>
+#include <com/sun/star/i18n/Collator.hpp>
+
+
+namespace comphelper::string {
+
+namespace
+{
+    template <typename T, typename C> T tmpl_stripStart(const T &rIn,
+        const C cRemove)
+    {
+        if (rIn.empty())
+            return rIn;
+
+        typename T::size_type i = 0;
+
+        while (i < rIn.size())
+        {
+            if (rIn[i] != cRemove)
+                break;
+            ++i;
+        }
+
+        return rIn.substr(i);
+    }
+    template <typename T, typename C> T tmpl_stripStartString(const T &rIn,
+        const C cRemove)
+    {
+        if (rIn.isEmpty())
+            return rIn;
+
+        sal_Int32 i = 0;
+
+        while (i < rIn.getLength())
+        {
+            if (rIn[i] != cRemove)
+                break;
+            ++i;
+        }
+
+        return rIn.copy(i);
+    }
+}
+
+OString stripStart(const OString& rIn, char c)
+{
+    return tmpl_stripStartString<OString, char>(rIn, c);
+}
+
+std::string_view stripStart(std::string_view rIn, char c)
+{
+    return tmpl_stripStart<std::string_view, char>(rIn, c);
+}
+
+OUString stripStart(const OUString& rIn, sal_Unicode c)
+{
+    return tmpl_stripStartString<OUString, sal_Unicode>(rIn, c);
+}
+
+std::u16string_view stripStart(std::u16string_view rIn, sal_Unicode c)
+{
+    return tmpl_stripStart<std::u16string_view, sal_Unicode>(rIn, c);
+}
+
+namespace
+{
+    template <typename T, typename C> T tmpl_stripEnd(const T &rIn,
+        const C cRemove)
+    {
+        if (rIn.empty())
+            return rIn;
+
+        typename T::size_type i = rIn.size();
+
+        while (i > 0)
+        {
+            if (rIn[i-1] != cRemove)
+                break;
+            --i;
+        }
+
+        return rIn.substr(0, i);
+    }
+    template <typename T, typename C> T tmpl_stripEndString(const T &rIn,
+        const C cRemove)
+    {
+        if (rIn.isEmpty())
+            return rIn;
+
+        sal_Int32 i = rIn.getLength();
+
+        while (i > 0)
+        {
+            if (rIn[i-1] != cRemove)
+                break;
+            --i;
+        }
+
+        return rIn.copy(0, i);
+    }
+}
+
+OString stripEnd(const OString& rIn, char c)
+{
+    return tmpl_stripEndString<OString, char>(rIn, c);
+}
+
+std::string_view stripEnd(std::string_view rIn, char c)
+{
+    return tmpl_stripEnd<std::string_view, char>(rIn, c);
+}
+
+OUString stripEnd(const OUString& rIn, sal_Unicode c)
+{
+    return tmpl_stripEndString<OUString, sal_Unicode>(rIn, c);
+}
+
+std::u16string_view stripEnd(std::u16string_view rIn, sal_Unicode c)
+{
+    return tmpl_stripEnd<std::u16string_view, sal_Unicode>(rIn, c);
+}
+
+OString strip(const OString& rIn, char c)
+{
+    auto x = tmpl_stripStartString<OString, char>(rIn, c);
+    return stripEnd(x, c);
+}
+
+std::string_view strip(std::string_view rIn, char c)
+{
+    auto x = tmpl_stripStart<std::string_view, char>(rIn, c);
+    return stripEnd(x, c);
+}
+
+OUString strip(const OUString& rIn, sal_Unicode c)
+{
+    auto x = tmpl_stripStartString<OUString, sal_Unicode>(rIn, c);
+    return stripEnd(x, c);
+}
+
+std::u16string_view strip(std::u16string_view rIn, sal_Unicode c)
+{
+    auto x = tmpl_stripStart<std::u16string_view, sal_Unicode>(rIn, c);
+    return stripEnd(x, c);
+}
+
+namespace
+{
+    template <typename T, typename C> sal_Int32 tmpl_getTokenCount( T rIn,
+        C cTok)
+    {
+        // Empty String: TokenCount by Definition is 0
+        if (rIn.empty())
+            return 0;
+
+        sal_Int32 nTokCount = 1;
+        for (typename T::size_type i = 0; i < rIn.size(); ++i)
+        {
+            if (rIn[i] == cTok)
+                ++nTokCount;
+        }
+        return nTokCount;
+    }
+}
+
+sal_Int32 getTokenCount(std::string_view rIn, char cTok)
+{
+    return tmpl_getTokenCount<std::string_view, char>(rIn, cTok);
+}
+
+sal_Int32 getTokenCount(std::u16string_view rIn, sal_Unicode cTok)
+{
+    return tmpl_getTokenCount<std::u16string_view, sal_Unicode>(rIn, cTok);
+}
+
+static sal_uInt32 decimalStringToNumber(
+    OUString const & str, sal_Int32 nStart, sal_Int32 nLength )
+{
+    sal_uInt32 result = 0;
+    for( sal_Int32 i = nStart; i < nStart + nLength; )
+    {
+        sal_uInt32 c = str.iterateCodePoints(&i);
+        sal_uInt32 value = 0;
+        if( c <= 0x0039)    // ASCII decimal digits, most common
+            value = c - 0x0030;
+        else if( c >= 0x1D7F6 )    // mathematical monospace digits
+            value = c - 0x1D7F6;
+        else if( c >= 0x1D7EC ) // mathematical sans-serif bold digits
+            value = c - 0x1D7EC;
+        else if( c >= 0x1D7E2 ) // mathematical sans-serif digits
+            value = c - 0x1D7E2;
+        else if( c >= 0x1D7D8 ) // mathematical double-struck digits
+            value = c - 0x1D7D8;
+        else if( c >= 0x1D7CE ) // mathematical bold digits
+            value = c - 0x1D7CE;
+        else if( c >= 0x11066 ) // brahmi digits
+            value = c - 0x11066;
+        else if( c >= 0x104A0 ) // osmanya digits
+            value = c - 0x104A0;
+        else if( c >= 0xFF10 ) // fullwidth digits
+            value = c - 0xFF10;
+        else if( c >= 0xABF0 ) // meetei mayek digits
+            value = c - 0xABF0;
+        else if( c >= 0xAA50 ) // cham digits
+            value = c - 0xAA50;
+        else if( c >= 0xA9D0 ) // javanese digits
+            value = c - 0xA9D0;
+        else if( c >= 0xA900 ) // kayah li digits
+            value = c - 0xA900;
+        else if( c >= 0xA8D0 ) // saurashtra digits
+            value = c - 0xA8D0;
+        else if( c >= 0xA620 ) // vai digits
+            value = c - 0xA620;
+        else if( c >= 0x1C50 ) // ol chiki digits
+            value = c - 0x1C50;
+        else if( c >= 0x1C40 ) // lepcha digits
+            value = c - 0x1C40;
+        else if( c >= 0x1BB0 ) // sundanese digits
+            value = c - 0x1BB0;
+        else if( c >= 0x1B50 ) // balinese digits
+            value = c - 0x1B50;
+        else if( c >= 0x1A90 ) // tai tham tham digits
+            value = c - 0x1A90;
+        else if( c >= 0x1A80 ) // tai tham hora digits
+            value = c - 0x1A80;
+        else if( c >= 0x19D0 ) // new tai lue digits
+            value = c - 0x19D0;
+        else if( c >= 0x1946 ) // limbu digits
+            value = c - 0x1946;
+        else if( c >= 0x1810 ) // mongolian digits
+            value = c - 0x1810;
+        else if( c >= 0x17E0 ) // khmer digits
+            value = c - 0x17E0;
+        else if( c >= 0x1090 ) // myanmar shan digits
+            value = c - 0x1090;
+        else if( c >= 0x1040 ) // myanmar digits
+            value = c - 0x1040;
+        else if( c >= 0x0F20 ) // tibetan digits
+            value = c - 0x0F20;
+        else if( c >= 0x0ED0 ) // lao digits
+            value = c - 0x0ED0;
+        else if( c >= 0x0E50 ) // thai digits
+            value = c - 0x0E50;
+        else if( c >= 0x0D66 ) // malayalam digits
+            value = c - 0x0D66;
+        else if( c >= 0x0CE6 ) // kannada digits
+            value = c - 0x0CE6;
+        else if( c >= 0x0C66 ) // telugu digits
+            value = c - 0x0C66;
+        else if( c >= 0x0BE6 ) // tamil digits
+            value = c - 0x0BE6;
+        else if( c >= 0x0B66 ) // odia digits
+            value = c - 0x0B66;
+        else if( c >= 0x0AE6 ) // gujarati digits
+            value = c - 0x0AE6;
+        else if( c >= 0x0A66 ) // gurmukhi digits
+            value = c - 0x0A66;
+        else if( c >= 0x09E6 ) // bengali digits
+            value = c - 0x09E6;
+        else if( c >= 0x0966 ) // devanagari digit
+            value = c - 0x0966;
+        else if( c >= 0x07C0 ) // nko digits
+            value = c - 0x07C0;
+        else if( c >= 0x06F0 ) // extended arabic-indic digits
+            value = c - 0x06F0;
+        else if( c >= 0x0660 ) // arabic-indic digits
+            value = c - 0x0660;
+        result = result * 10 + value;
+    }
+    return result;
+}
+
+sal_uInt32 decimalStringToNumber(
+    OUString const & str )
+{
+    return decimalStringToNumber(str, 0, str.getLength());
+}
+
+using namespace ::com::sun::star;
+
+// convert between sequence of string and comma separated string
+
+OUString convertCommaSeparated(
+    uno::Sequence< OUString > const& i_rSeq)
+{
+    OUStringBuffer buf;
+    ::comphelper::intersperse(
+        i_rSeq.begin(), i_rSeq.end(), ::comphelper::OUStringBufferAppender(buf), OUString( ", " ));
+    return buf.makeStringAndClear();
+}
+
+std::vector<OUString>
+    split(std::u16string_view rStr, sal_Unicode cSeparator)
+{
+    std::vector< OUString > vec;
+    std::size_t idx = 0;
+    do
+    {
+        std::u16string_view kw = o3tl::getToken(rStr, cSeparator, idx);
+        kw = o3tl::trim(kw);
+        if (!kw.empty())
+        {
+            vec.push_back(OUString(kw));
+        }
+
+    } while (idx != std::u16string_view::npos);
+
+    return vec;
+}
+
+uno::Sequence< OUString >
+    convertCommaSeparated( std::u16string_view i_rString )
+{
+    std::vector< OUString > vec = split(i_rString, ',');
+    return comphelper::containerToSequence(vec);
+}
+
+OString join(std::string_view rSeparator, const std::vector<OString>& rSequence)
+{
+    OStringBuffer aBuffer;
+    for (size_t i = 0; i < rSequence.size(); ++i)
+    {
+        if (i != 0)
+            aBuffer.append(rSeparator);
+        aBuffer.append(rSequence[i]);
+    }
+    return aBuffer.makeStringAndClear();
+}
+
+sal_Int32 compareNatural( const OUString & rLHS, const OUString & rRHS,
+    const uno::Reference< i18n::XCollator > &rCollator,
+    const uno::Reference< i18n::XBreakIterator > &rBI,
+    const lang::Locale &rLocale )
+{
+    sal_Int32 nRet = 0;
+
+    sal_Int32 nLHSLastNonDigitPos = 0;
+    sal_Int32 nRHSLastNonDigitPos = 0;
+    sal_Int32 nLHSFirstDigitPos = 0;
+    sal_Int32 nRHSFirstDigitPos = 0;
+
+    // Check if the string starts with a digit
+    sal_Int32 nStartsDigitLHS = rBI->endOfCharBlock(rLHS, nLHSFirstDigitPos, rLocale, i18n::CharType::DECIMAL_DIGIT_NUMBER);
+    sal_Int32 nStartsDigitRHS = rBI->endOfCharBlock(rRHS, nRHSFirstDigitPos, rLocale, i18n::CharType::DECIMAL_DIGIT_NUMBER);
+
+    if (nStartsDigitLHS > 0 && nStartsDigitRHS > 0)
+    {
+        sal_uInt32 nLHS = comphelper::string::decimalStringToNumber(rLHS, 0, nStartsDigitLHS);
+        sal_uInt32 nRHS = comphelper::string::decimalStringToNumber(rRHS, 0, nStartsDigitRHS);
+
+        if (nLHS != nRHS)
+            return nLHS < nRHS ? -1 : 1;
+        nLHSLastNonDigitPos = nStartsDigitLHS;
+        nRHSLastNonDigitPos = nStartsDigitRHS;
+    }
+    else if (nStartsDigitLHS > 0)
+        return -1;
+    else if (nStartsDigitRHS > 0)
+        return 1;
+
+    while (nLHSFirstDigitPos < rLHS.getLength() || nRHSFirstDigitPos < rRHS.getLength())
+    {
+        sal_Int32 nLHSChunkLen;
+        sal_Int32 nRHSChunkLen;
+
+        //Compare non digit block as normal strings
+        nLHSFirstDigitPos = rBI->nextCharBlock(rLHS, nLHSLastNonDigitPos, rLocale, i18n::CharType::DECIMAL_DIGIT_NUMBER);
+        nRHSFirstDigitPos = rBI->nextCharBlock(rRHS, nRHSLastNonDigitPos, rLocale, i18n::CharType::DECIMAL_DIGIT_NUMBER);
+
+        if (nLHSFirstDigitPos == -1)
+            nLHSFirstDigitPos = rLHS.getLength();
+
+        if (nRHSFirstDigitPos == -1)
+            nRHSFirstDigitPos = rRHS.getLength();
+
+        nLHSChunkLen = nLHSFirstDigitPos - nLHSLastNonDigitPos;
+        nRHSChunkLen = nRHSFirstDigitPos - nRHSLastNonDigitPos;
+
+        nRet = rCollator->compareSubstring(rLHS, nLHSLastNonDigitPos, nLHSChunkLen, rRHS, nRHSLastNonDigitPos, nRHSChunkLen);
+        if (nRet != 0)
+            break;
+
+        //Compare digit block as one number vs another
+        nLHSLastNonDigitPos = rBI->endOfCharBlock(rLHS, nLHSFirstDigitPos, rLocale, i18n::CharType::DECIMAL_DIGIT_NUMBER);
+        nRHSLastNonDigitPos = rBI->endOfCharBlock(rRHS, nRHSFirstDigitPos, rLocale, i18n::CharType::DECIMAL_DIGIT_NUMBER);
+        if (nLHSLastNonDigitPos == -1)
+            nLHSLastNonDigitPos = rLHS.getLength();
+        if (nRHSLastNonDigitPos == -1)
+            nRHSLastNonDigitPos = rRHS.getLength();
+        nLHSChunkLen = nLHSLastNonDigitPos - nLHSFirstDigitPos;
+        nRHSChunkLen = nRHSLastNonDigitPos - nRHSFirstDigitPos;
+
+        //To-Do: Possibly scale down those unicode codepoints that relate to
+        //numbers outside of the normal 0-9 range, e.g. see GetLocalizedChar in
+        //vcl
+
+        sal_uInt32 nLHS = comphelper::string::decimalStringToNumber(rLHS, nLHSFirstDigitPos, nLHSChunkLen);
+        sal_uInt32 nRHS = comphelper::string::decimalStringToNumber(rRHS, nRHSFirstDigitPos, nRHSChunkLen);
+
+        if (nLHS != nRHS)
+        {
+            nRet = (nLHS < nRHS) ? -1 : 1;
+            break;
+        }
+    }
+
+    return nRet;
+}
+
+NaturalStringSorter::NaturalStringSorter(
+    const uno::Reference< uno::XComponentContext > &rContext,
+    lang::Locale aLocale) : m_aLocale(std::move(aLocale))
+{
+    m_xCollator = i18n::Collator::create( rContext );
+    m_xCollator->loadDefaultCollator(m_aLocale, 0);
+    m_xBI = i18n::BreakIterator::create( rContext );
+}
+
+bool isdigitAsciiString(std::string_view rString)
+{
+    return std::all_of(
+        rString.data(), rString.data() + rString.size(),
+        [](unsigned char c){ return rtl::isAsciiDigit(c); });
+}
+
+bool isdigitAsciiString(std::u16string_view rString)
+{
+    return std::all_of(
+        rString.data(), rString.data() + rString.size(),
+        [](sal_Unicode c){ return rtl::isAsciiDigit(c); });
+}
+
+namespace
+{
+    template <typename T, typename I, typename O> T tmpl_reverseString(I rIn)
+    {
+        if (rIn.empty())
+            return T();
+
+        typename I::size_type i = rIn.size();
+        O sBuf(static_cast<sal_Int32>(i));
+        while (i)
+            sBuf.append(rIn[--i]);
+        return sBuf.makeStringAndClear();
+    }
+}
+
+OUString reverseString(std::u16string_view rStr)
+{
+    return tmpl_reverseString<OUString, std::u16string_view, OUStringBuffer>(rStr);
+}
+
+OString reverseString(std::string_view rStr)
+{
+    return tmpl_reverseString<OString, std::string_view, OStringBuffer>(rStr);
+}
+
+OUString reverseCodePoints(OUString const & str) {
+    auto const len = str.getLength();
+    OUStringBuffer buf(len);
+    for (auto i = len; i != 0;) {
+        buf.appendUtf32(str.iterateCodePoints(&i, -1));
+    }
+    return buf.makeStringAndClear();
+}
+
+sal_Int32 indexOfAny(std::u16string_view rIn,
+        sal_Unicode const*const pChars, sal_Int32 const nPos)
+{
+    for (std::u16string_view::size_type i = nPos; i < rIn.size(); ++i)
+    {
+        sal_Unicode const c = rIn[i];
+        for (sal_Unicode const* pChar = pChars; *pChar; ++pChar)
+        {
+            if (c == *pChar)
+            {
+                return i;
+            }
+        }
+    }
+    return -1;
+}
+
+OUString removeAny(std::u16string_view rIn,
+        sal_Unicode const*const pChars)
+{
+    OUStringBuffer buf;
+    bool isFound(false);
+    for (std::u16string_view::size_type i = 0; i < rIn.size(); ++i)
+    {
+        sal_Unicode const c = rIn[i];
+        bool removeC(false);
+        for (sal_Unicode const* pChar = pChars; *pChar; ++pChar)
+        {
+            if (c == *pChar)
+            {
+                removeC = true;
+                break;
+            }
+        }
+        if (removeC)
+        {
+            if (!isFound)
+            {
+                if (i > 0)
+                {
+                    buf.append(rIn.substr(0, i));
+                }
+                isFound = true;
+            }
+        }
+        else if (isFound)
+        {
+            buf.append(c);
+        }
+    }
+    return isFound ? buf.makeStringAndClear() : OUString(rIn);
+}
+
+OUString setToken(const OUString& rIn, sal_Int32 nToken, sal_Unicode cTok,
+    std::u16string_view rNewToken)
+{
+    sal_Int32 nLen = rIn.getLength();
+    sal_Int32 nTok = 0;
+    sal_Int32 nFirstChar = 0;
+    sal_Int32 i = 0;
+
+    // Determine token position and length
+    while ( i < nLen )
+    {
+        // Increase token count if match
+        if (rIn[i] == cTok)
+        {
+            ++nTok;
+
+            if (nTok == nToken)
+                nFirstChar = i+1;
+            else if (nTok > nToken)
+                break;
+        }
+
+        ++i;
+    }
+
+    if (nTok >= nToken)
+        return rIn.replaceAt(nFirstChar, i-nFirstChar, rNewToken);
+    return rIn;
+}
+
+/** Similar to OUString::replaceAt, but for an OUStringBuffer.
+
+    Replace n = count characters
+    from position index in this string with newStr.
+ */
+void replaceAt(OUStringBuffer& rIn, sal_Int32 nIndex, sal_Int32 nCount, std::u16string_view newStr )
+{
+    assert(nIndex >= 0 && nIndex <= rIn.getLength());
+    assert(nCount >= 0);
+    assert(nCount <= rIn.getLength() - nIndex);
+
+    /* Append? */
+    const sal_Int32 nOldLength = rIn.getLength();
+    if ( nIndex == nOldLength )
+    {
+        rIn.append(newStr);
+        return;
+    }
+
+    sal_Int32 nNewLength = nOldLength + newStr.size() - nCount;
+    if (newStr.size() > o3tl::make_unsigned(nCount))
+        rIn.ensureCapacity(nOldLength + newStr.size() - nCount);
+
+    sal_Unicode* pStr = const_cast<sal_Unicode*>(rIn.getStr());
+    memmove(pStr + nIndex + newStr.size(), pStr + nIndex + nCount, nOldLength - nIndex + nCount);
+    memcpy(pStr + nIndex, newStr.data(), newStr.size());
+
+    rIn.setLength(nNewLength);
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */