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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 .
+ */
+
+#ifndef INCLUDED_I18NPOOL_SOURCE_SEARCH_TEXTSEARCH_HXX
+#define INCLUDED_I18NPOOL_SOURCE_SEARCH_TEXTSEARCH_HXX
+
+#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;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */