/* -*- 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_TOOLS_MULTISEL_HXX #define INCLUDED_TOOLS_MULTISEL_HXX #include #include #include #include #include #define SFX_ENDOFSELECTION (-1) class SAL_WARN_UNUSED TOOLS_DLLPUBLIC MultiSelection { private: std::vector< Range > aSels; // array of SV-selections Range aTotRange; // total range of indexes sal_Int32 nCurSubSel; // index in aSels of current selected index sal_Int32 nCurIndex; // current selected entry sal_Int32 nSelCount; // number of selected indexes bool bCurValid; // are nCurIndex and nCurSubSel valid TOOLS_DLLPRIVATE void ImplClear(); TOOLS_DLLPRIVATE sal_Int32 ImplFindSubSelection( sal_Int32 nIndex ) const; TOOLS_DLLPRIVATE void ImplMergeSubSelections( sal_Int32 nPos1, sal_Int32 nPos2 ); public: MultiSelection(); MultiSelection( const MultiSelection& rOrig ); MultiSelection( const Range& rRange ); ~MultiSelection(); MultiSelection& operator= ( const MultiSelection& rOrig ); void SelectAll( bool bSelect = true ); bool Select( sal_Int32 nIndex, bool bSelect = true ); void Select( const Range& rIndexRange, bool bSelect = true ); bool IsSelected( sal_Int32 nIndex ) const; bool IsAllSelected() const { return nSelCount == aTotRange.Len(); } sal_Int32 GetSelectCount() const { return nSelCount; } void SetTotalRange( const Range& rTotRange ); void Insert( sal_Int32 nIndex, sal_Int32 nCount = 1 ); void Remove( sal_Int32 nIndex ); void Reset(); const Range& GetTotalRange() const { return aTotRange; } sal_Int32 FirstSelected(); sal_Int32 LastSelected(); sal_Int32 NextSelected(); sal_Int32 GetRangeCount() const { return aSels.size(); } const Range& GetRange( sal_Int32 nRange ) const { return aSels[nRange]; } }; class SAL_WARN_UNUSED TOOLS_DLLPUBLIC StringRangeEnumerator { struct Range { sal_Int32 nFirst; sal_Int32 nLast; Range( sal_Int32 i_nFirst, sal_Int32 i_nLast ) : nFirst( i_nFirst ), nLast( i_nLast ) {} }; std::vector< StringRangeEnumerator::Range > maSequence; sal_Int32 mnCount; sal_Int32 mnMin; sal_Int32 mnMax; sal_Int32 mnOffset; bool mbValidInput; bool setRange( std::u16string_view i_rNewRange ); bool insertRange( sal_Int32 nFirst, sal_Int32 nLast, bool bSequence ); void insertJoinedRanges( const std::vector< sal_Int32 >& rNumbers ); bool checkValue( sal_Int32, const o3tl::sorted_vector< sal_Int32 >* i_pPossibleValues = nullptr ) const; public: class TOOLS_DLLPUBLIC Iterator { const StringRangeEnumerator* pEnumerator; const o3tl::sorted_vector< sal_Int32 >* pPossibleValues; sal_Int32 nRangeIndex; sal_Int32 nCurrent; friend class StringRangeEnumerator; Iterator( const StringRangeEnumerator* i_pEnum, const o3tl::sorted_vector< sal_Int32 >* i_pPossibleValues, sal_Int32 i_nRange, sal_Int32 i_nCurrent ) : pEnumerator( i_pEnum ), pPossibleValues( i_pPossibleValues ) , nRangeIndex( i_nRange ), nCurrent( i_nCurrent ) {} public: Iterator& operator++(); sal_Int32 operator*() const { return nCurrent;} bool operator==(const Iterator&) const; bool operator!=(const Iterator& i_rComp) const { return ! (*this == i_rComp); } }; friend class StringRangeEnumerator::Iterator; StringRangeEnumerator( std::u16string_view i_rInput, sal_Int32 i_nMinNumber, sal_Int32 i_nMaxNumber, sal_Int32 i_nLogicalOffset = -1 ); sal_Int32 size() const { return mnCount; } Iterator begin( const o3tl::sorted_vector< sal_Int32 >* i_pPossibleValues = nullptr ) const; Iterator end( const o3tl::sorted_vector< sal_Int32 >* i_pPossibleValues = nullptr ) const; bool hasValue( sal_Int32 nValue, const o3tl::sorted_vector< sal_Int32 >* i_pPossibleValues = nullptr ) const; /** i_rPageRange: the string to be changed into a sequence of numbers valid format example "5-3,9,9,7-8" ; instead of ',' ';' or ' ' are allowed as well o_rPageVector: the output sequence of numbers i_nLogicalOffset: an offset to be applied to each number in the string before inserting it in the resulting sequence example: a user enters page numbers from 1 to n (since that is logical) of course usable page numbers in code would start from 0 and end at n-1 so the logical offset would be -1 i_nMinNumber: the minimum allowed number i_nMaxNumber: the maximum allowed number @returns: true if the input string was valid, o_rPageVector will contain the resulting sequence false if the input string was invalid, o_rPageVector will contain the sequence that parser is able to extract behavior: - only non-negative sequence numbers are allowed - only non-negative values in the input string are allowed - the string "-3" means the sequence i_nMinNumber to 3 - the string "3-" means the sequence 3 to i_nMaxNumber - the string "-" means the sequence i_nMinNumber to i_nMaxNumber - single number that doesn't fit in [i_nMinNumber,i_nMaxNumber] will be ignored - range that doesn't fit in [i_nMinNumber,i_nMaxNumber] will be adjusted */ static bool getRangesFromString( std::u16string_view i_rPageRange, std::vector< sal_Int32 >& o_rPageVector, sal_Int32 i_nMinNumber, sal_Int32 i_nMaxNumber, sal_Int32 i_nLogicalOffset = -1, o3tl::sorted_vector< sal_Int32 > const * i_pPossibleValues = nullptr ); }; #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */