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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 .
*/
#pragma once
#include <cppuhelper/implbase.hxx>
#include <com/sun/star/util/XTextSearch2.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <map>
#include <memory>
#include <mutex>
#include <unicode/regex.h>
#include <unicode/unistr.h>
#include <unicode/uversion.h>
namespace com::sun::star::i18n { class XBreakIterator; }
namespace com::sun::star::i18n { class XCharacterClassification; }
namespace com::sun::star::i18n { class XExtendedTransliteration; }
namespace com::sun::star::uno { class XComponentContext; }
class WLevDistance;
typedef ::std::map< sal_Unicode, sal_Int32 > TextSearchJumpTable;
class TextSearch: public cppu::WeakImplHelper
<
css::util::XTextSearch2,
css::lang::XServiceInfo
>
{
std::mutex m_aMutex;
css::uno::Reference < css::uno::XComponentContext > m_xContext;
css::util::SearchOptions2 aSrchPara;
OUString sSrchStr;
OUString sSrchStr2;
mutable css::uno::Reference< css::i18n::XCharacterClassification > xCharClass;
css::uno::Reference< css::i18n::XExtendedTransliteration > xTranslit;
css::uno::Reference< css::i18n::XExtendedTransliteration > xTranslit2;
// define a function pointer for the different search methods
typedef css::util::SearchResult
(SAL_CALL TextSearch::*FnSrch)( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos );
FnSrch fnForward;
FnSrch fnBackward;
// to fix UX regression, U+0027 matches also U+2019 in non-regex search
bool bSearchApostrophe;
// Members and methods for the normal (Boyer-Moore) search
std::unique_ptr<TextSearchJumpTable> pJumpTable;
std::unique_ptr<TextSearchJumpTable> pJumpTable2;
bool bIsForwardTab;
bool bUsePrimarySrchStr;
void MakeForwardTab();
void MakeForwardTab2();
void MakeBackwardTab();
void MakeBackwardTab2();
sal_Int32 GetDiff( const sal_Unicode ) const;
/// @throws css::uno::RuntimeException
css::util::SearchResult SAL_CALL
NSrchFrwrd( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos );
/// @throws css::uno::RuntimeException
css::util::SearchResult SAL_CALL
NSrchBkwrd( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos );
// Members and methods for the regular expression search
std::unique_ptr<icu::RegexMatcher> pRegexMatcher;
/// @throws css::uno::RuntimeException
css::util::SearchResult SAL_CALL
RESrchFrwrd( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos );
/// @throws css::uno::RuntimeException
css::util::SearchResult SAL_CALL
RESrchBkwrd( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos );
void RESrchPrepare( const css::util::SearchOptions2&);
// Members and methods for the "Weight Levenshtein-Distance" search
int nLimit;
std::unique_ptr<WLevDistance> pWLD;
css::uno::Reference < css::i18n::XBreakIterator > xBreak;
/// @throws css::uno::RuntimeException
css::util::SearchResult SAL_CALL
ApproxSrchFrwrd( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos );
/// @throws css::uno::RuntimeException
css::util::SearchResult SAL_CALL
ApproxSrchBkwrd( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos );
// Members and methods for the wildcard search
OUString maWildcardReversePattern;
OUString maWildcardReversePattern2;
sal_uInt32 mcWildcardEscapeChar;
bool mbWildcardAllowSubstring;
/// @throws css::uno::RuntimeException
css::util::SearchResult SAL_CALL
WildcardSrchFrwrd( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos );
/// @throws css::uno::RuntimeException
css::util::SearchResult SAL_CALL
WildcardSrchBkwrd( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos );
bool IsDelimiter( const OUString& rStr, sal_Int32 nPos ) const;
public:
explicit TextSearch(
const css::uno::Reference < css::uno::XComponentContext >& rxContext );
virtual ~TextSearch() override;
// XTextSearch
virtual void SAL_CALL
setOptions( const css::util::SearchOptions& options ) override;
virtual css::util::SearchResult SAL_CALL
searchForward( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos ) override;
virtual css::util::SearchResult SAL_CALL
searchBackward( const OUString& searchStr,
sal_Int32 startPos, sal_Int32 endPos ) override;
// XTextSearch2
virtual void SAL_CALL
setOptions2( const css::util::SearchOptions2& options ) override;
//XServiceInfo
virtual OUString SAL_CALL getImplementationName() override;
virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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