025f540dba
Change-Id: Ia8b406b6a59086160a5167480c6d3bde6574ffbe Reviewed-on: https://gerrit.libreoffice.org/c/core/+/155029 Tested-by: Jenkins Tested-by: Gabor Kelemen <kelemeng@ubuntu.com> Reviewed-by: Gabor Kelemen <kelemeng@ubuntu.com>
290 lines
9 KiB
C++
290 lines
9 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 <com/sun/star/xml/sax/SAXException.hpp>
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#include <sax/fastattribs.hxx>
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#include <utility>
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::xml;
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using namespace ::com::sun::star::xml::sax;
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namespace sax_fastparser
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{
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// wastage to keep MSVC happy vs. an in-line {}
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FastTokenHandlerBase::~FastTokenHandlerBase()
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{
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}
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UnknownAttribute::UnknownAttribute( OUString aNamespaceURL, OString aName, OString value )
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: maNamespaceURL(std::move( aNamespaceURL )), maName(std::move( aName )), maValue(std::move( value ))
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{
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}
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UnknownAttribute::UnknownAttribute( OString aName, OString value )
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: maName(std::move( aName )), maValue(std::move( value ))
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{
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}
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void UnknownAttribute::FillAttribute( Attribute* pAttrib ) const
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{
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if( pAttrib )
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{
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pAttrib->Name = OStringToOUString( maName, RTL_TEXTENCODING_UTF8 );
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pAttrib->NamespaceURL = maNamespaceURL;
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pAttrib->Value = OStringToOUString( maValue, RTL_TEXTENCODING_UTF8 );
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}
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}
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FastAttributeList::FastAttributeList( sax_fastparser::FastTokenHandlerBase *pTokenHandler)
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: mpTokenHandler( pTokenHandler )
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{
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// random initial size of buffer to store attribute values
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mnChunkLength = 58;
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mpChunk = static_cast<char *>(malloc( mnChunkLength ));
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maAttributeValues.push_back( 0 );
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}
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FastAttributeList::FastAttributeList( const css::uno::Reference< css::xml::sax::XFastAttributeList > & xAttrList )
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{
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const auto& rOther = castToFastAttributeList(xAttrList);
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mpTokenHandler = rOther.mpTokenHandler;
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mpChunk = static_cast<char *>(malloc( rOther.mnChunkLength ));
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mnChunkLength = rOther.mnChunkLength;
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memcpy(mpChunk, rOther.mpChunk, rOther.mnChunkLength);
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maAttributeValues = rOther.maAttributeValues;
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maAttributeTokens = rOther.maAttributeTokens;
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maUnknownAttributes = rOther.maUnknownAttributes;
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}
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css::uno::Reference< ::css::util::XCloneable > FastAttributeList::createClone()
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{
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return new FastAttributeList(this);
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}
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FastAttributeList::~FastAttributeList()
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{
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free( mpChunk );
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}
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void FastAttributeList::clear()
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{
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maAttributeTokens.clear();
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maAttributeValues.resize(1);
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assert(maAttributeValues[0] == 0);
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maUnknownAttributes.clear();
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}
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void FastAttributeList::add( sal_Int32 nToken, std::string_view value )
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{
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assert(nToken != -1);
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assert(nToken != 0);
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assert(value.length() < SAL_MAX_INT32); // protect against absurd values
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maAttributeTokens.push_back( nToken );
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sal_Int32 nWritePosition = maAttributeValues.back();
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maAttributeValues.push_back( maAttributeValues.back() + value.length() + 1 );
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if (maAttributeValues.back() > mnChunkLength)
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{
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const sal_Int32 newLen = std::max(mnChunkLength * 2, maAttributeValues.back());
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auto p = static_cast<char*>(realloc(mpChunk, newLen));
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if (!p)
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throw std::bad_alloc();
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mnChunkLength = newLen;
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mpChunk = p;
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}
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memcpy(mpChunk + nWritePosition, value.data(), value.length());
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mpChunk[nWritePosition + value.length()] = '\0';
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}
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void FastAttributeList::add(sal_Int32 nToken, std::u16string_view sValue)
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{
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add(nToken, OUStringToOString(sValue, RTL_TEXTENCODING_UTF8));
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}
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void FastAttributeList::addNS( sal_Int32 nNamespaceToken, sal_Int32 nToken, std::string_view rValue )
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{
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sal_Int32 nCombinedToken = (nNamespaceToken << 16) | nToken;
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add( nCombinedToken, rValue );
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}
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void FastAttributeList::addNS(sal_Int32 nNamespaceToken, sal_Int32 nToken,
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std::u16string_view sValue)
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{
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sal_Int32 nCombinedToken = (nNamespaceToken << 16) | nToken;
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add(nCombinedToken, sValue);
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}
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void FastAttributeList::addUnknown( const OUString& rNamespaceURL, const OString& rName, const OString& value )
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{
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maUnknownAttributes.emplace_back( rNamespaceURL, rName, value );
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}
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void FastAttributeList::addUnknown( const OString& rName, const OString& value )
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{
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maUnknownAttributes.emplace_back( rName, value );
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}
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void FastAttributeList::add( const css::uno::Reference<css::xml::sax::XFastAttributeList>& xAttrList )
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{
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const auto& rOther = castToFastAttributeList(xAttrList);
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add(rOther);
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}
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void FastAttributeList::add( const FastAttributeList& rOther )
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{
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for (size_t i=0; i < rOther.maAttributeTokens.size(); ++i)
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add(rOther.maAttributeTokens[i], rOther.getAsViewByIndex(i));
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for (const auto & i : rOther.maUnknownAttributes)
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addUnknown(i.maNamespaceURL, i.maName, i.maValue);
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}
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// XFastAttributeList
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sal_Bool FastAttributeList::hasAttribute( ::sal_Int32 Token )
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{
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for (sal_Int32 i : maAttributeTokens)
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if (i == Token)
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return true;
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return false;
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}
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sal_Int32 FastAttributeList::getValueToken( ::sal_Int32 Token )
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{
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for (size_t i = 0, n = maAttributeTokens.size(); i < n; ++i)
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if (maAttributeTokens[i] == Token)
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return FastTokenHandlerBase::getTokenFromChars(
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mpTokenHandler,
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getAsViewByIndex(i) );
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throw SAXException("FastAttributeList::getValueToken: unknown token " + OUString::number(Token), nullptr, Any());
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}
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sal_Int32 FastAttributeList::getOptionalValueToken( ::sal_Int32 Token, ::sal_Int32 Default )
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{
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for (size_t i = 0, n = maAttributeTokens.size(); i < n; ++i)
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if (maAttributeTokens[i] == Token)
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return FastTokenHandlerBase::getTokenFromChars(
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mpTokenHandler,
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getAsViewByIndex(i) );
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return Default;
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}
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// performance sensitive shortcuts to avoid allocation ...
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bool FastAttributeList::getAsInteger( sal_Int32 nToken, sal_Int32 &rInt) const
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{
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rInt = 0;
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for (size_t i = 0, n = maAttributeTokens.size(); i < n; ++i)
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if (maAttributeTokens[i] == nToken)
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{
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rInt = getAsIntegerByIndex(i);
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return true;
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}
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return false;
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}
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bool FastAttributeList::getAsDouble( sal_Int32 nToken, double &rDouble) const
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{
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rDouble = 0.0;
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for (size_t i = 0, n = maAttributeTokens.size(); i < n; ++i)
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if (maAttributeTokens[i] == nToken)
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{
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rDouble = o3tl::toDouble(getAsViewByIndex(i));
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return true;
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}
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return false;
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}
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bool FastAttributeList::getAsView( sal_Int32 nToken, std::string_view& rPos ) const
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{
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for (size_t i = 0, n = maAttributeTokens.size(); i < n; ++i)
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{
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if (maAttributeTokens[i] != nToken)
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continue;
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rPos = getAsViewByIndex(i);
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return true;
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}
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return false;
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}
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OUString FastAttributeList::getValue( ::sal_Int32 Token )
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{
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for (size_t i = 0, n = maAttributeTokens.size(); i < n; ++i)
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if (maAttributeTokens[i] == Token)
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return getValueByIndex(i);
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throw SAXException("FastAttributeList::getValue: unknown token " + OUString::number(Token), nullptr, Any());
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}
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OUString FastAttributeList::getOptionalValue( ::sal_Int32 Token )
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{
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for (size_t i = 0, n = maAttributeTokens.size(); i < n; ++i)
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if (maAttributeTokens[i] == Token)
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return getValueByIndex(i);
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return OUString();
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}
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Sequence< Attribute > FastAttributeList::getUnknownAttributes( )
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{
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auto nSize = maUnknownAttributes.size();
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if (nSize == 0)
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return {};
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Sequence< Attribute > aSeq( nSize );
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Attribute* pAttr = aSeq.getArray();
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for( const auto& rAttr : maUnknownAttributes )
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rAttr.FillAttribute( pAttr++ );
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return aSeq;
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}
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Sequence< FastAttribute > FastAttributeList::getFastAttributes( )
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{
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Sequence< FastAttribute > aSeq( maAttributeTokens.size() );
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FastAttribute* pAttr = aSeq.getArray();
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for (size_t i = 0, n = maAttributeTokens.size(); i < n; ++i)
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{
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pAttr->Token = maAttributeTokens[i];
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pAttr->Value = getValueByIndex(i);
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pAttr++;
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}
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return aSeq;
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}
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FastAttributeList::FastAttributeIter FastAttributeList::find( sal_Int32 nToken ) const
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{
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for (size_t i = 0, n = maAttributeTokens.size(); i < n; ++i)
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if( maAttributeTokens[i] == nToken )
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return FastAttributeIter(*this, i);
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return end();
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}
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sal_Int32 FastTokenHandlerBase::getTokenFromChars(
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const FastTokenHandlerBase *pTokenHandler,
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std::string_view token )
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{
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return pTokenHandler->getTokenDirect(token.data(), token.size());
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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