editeng/inc/ContentNode.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include "editattr.hxx"
  23 #include "edtspell.hxx"
  24 #include <editeng/svxfont.hxx>
  25 #include <svl/itemset.hxx>
  26 #include <svl/style.hxx>
  27 #include <svl/itempool.hxx>
  28 #include <svl/languageoptions.hxx>
  29 #include <tools/lineend.hxx>
  30
  31 #include <memory>
  32 #include <string_view>
  33 #include <vector>
  34
  35 class SvxTabStop;
  36
  37 class ContentAttribs
  38 {
  39 private:
  40     SfxStyleSheet* mpStyle = nullptr;
  41     SfxItemSetFixed<EE_PARA_START, EE_CHAR_END> maAttribSet;
  42
  43 public:
  44     ContentAttribs(SfxItemPool& rItemPool);
  45
  46     void dumpAsXml(xmlTextWriterPtr pWriter) const;
  47
  48     SvxTabStop FindTabStop(sal_Int32 nCurPos, sal_uInt16 nDefTab);
  49     SfxItemSet& GetItems() { return maAttribSet; }
  50     const SfxItemSet& GetItems() const { return maAttribSet; }
  51     const SfxStyleSheet* GetStyleSheet() const { return mpStyle; }
  52     SfxStyleSheet* GetStyleSheet() { return mpStyle; }
  53     void SetStyleSheet(SfxStyleSheet* pS);
  54
  55     const SfxPoolItem& GetItem(sal_uInt16 nWhich) const;
  56     template <class T> const T& GetItem(TypedWhichId<T> nWhich) const
  57     {
  58         return static_cast<const T&>(GetItem(sal_uInt16(nWhich)));
  59     }
  60     bool HasItem(sal_uInt16 nWhich) const;
  61 };
  62
  63 class CharAttribList
  64 {
  65 public:
  66     typedef std::vector<std::unique_ptr<EditCharAttrib>> AttribsType;
  67
  68 private:
  69     AttribsType maAttribs;
  70     SvxFont maDefFont; // faster than ever from the pool!
  71     bool mbHasEmptyAttribs = false;
  72
  73 public:
  74     void dumpAsXml(xmlTextWriterPtr pWriter) const;
  75
  76     void DeleteEmptyAttribs();
  77
  78     const EditCharAttrib* FindAttrib(sal_uInt16 nWhich, sal_Int32 nPos) const;
  79     EditCharAttrib* FindAttrib(sal_uInt16 nWhich, sal_Int32 nPos);
  80     const EditCharAttrib* FindNextAttrib(sal_uInt16 nWhich, sal_Int32 nFromPos) const;
  81     EditCharAttrib* FindEmptyAttrib(sal_uInt16 nWhich, sal_Int32 nPos);
  82     const EditCharAttrib* FindFeature(sal_Int32 nPos) const;
  83
  84     void ResortAttribs();
  85     void OptimizeRanges();
  86
  87     sal_Int32 Count() const;
  88
  89     void InsertAttrib(EditCharAttrib* pAttrib);
  90
  91     SvxFont& GetDefFont() { return maDefFont; }
  92
  93     bool HasEmptyAttribs() const { return mbHasEmptyAttribs; }
  94     void SetHasEmptyAttribs(bool b);
  95     bool HasBoundingAttrib(sal_Int32 nBound) const;
  96     bool HasAttrib(sal_Int32 nStartPos, sal_Int32 nEndPos) const;
  97
  98     AttribsType& GetAttribs() { return maAttribs; }
  99     const AttribsType& GetAttribs() const { return maAttribs; }
 100
 101     void Remove(const EditCharAttrib* p);
 102     void Remove(sal_Int32 nPos);
 103
 104 #if OSL_DEBUG_LEVEL > 0 && !defined NDEBUG
 105     static void DbgCheckAttribs(CharAttribList const& rAttribs);
 106 #endif
 107 };
 108
 109 class ContentNode
 110 {
 111 private:
 112     OUString maString;
 113     ContentAttribs maContentAttribs;
 114     CharAttribList maCharAttribList;
 115     std::unique_ptr<WrongList> mpWrongList;
 116
 117     void UnExpandPosition(sal_Int32& rStartPos, bool bBiasStart);
 118
 119 public:
 120     ContentNode(SfxItemPool& rItemPool);
 121     ContentNode(const OUString& rStr, const ContentAttribs& rContentAttribs);
 122
 123     ContentNode(const ContentNode&) = delete;
 124     ContentNode& operator=(const ContentNode&) = delete;
 125
 126     void dumpAsXml(xmlTextWriterPtr pWriter) const;
 127
 128     ContentAttribs& GetContentAttribs() { return maContentAttribs; }
 129     const ContentAttribs& GetContentAttribs() const { return maContentAttribs; }
 130     CharAttribList& GetCharAttribs() { return maCharAttribList; }
 131     const CharAttribList& GetCharAttribs() const { return maCharAttribList; }
 132
 133     void ExpandAttribs(sal_Int32 nIndex, sal_Int32 nNewChars);
 134     void CollapseAttribs(sal_Int32 nIndex, sal_Int32 nDelChars);
 135     void AppendAttribs(ContentNode* pNextNode);
 136     void CopyAndCutAttribs(ContentNode* pPrevNode, SfxItemPool& rPool, bool bKeepEndingAttribs);
 137
 138     void SetStyleSheet(SfxStyleSheet* pS, bool bRecalcFont = true);
 139     void SetStyleSheet(SfxStyleSheet* pS, const SvxFont& rFontFromStyle);
 140     SfxStyleSheet* GetStyleSheet() { return maContentAttribs.GetStyleSheet(); }
 141
 142     void CreateDefFont();
 143
 144     void EnsureWrongList();
 145     WrongList* GetWrongList();
 146     const WrongList* GetWrongList() const;
 147     void SetWrongList(WrongList* p);
 148
 149     void CreateWrongList();
 150     void DestroyWrongList();
 151
 152     bool IsFeature(sal_Int32 nPos) const;
 153
 154     sal_Int32 Len() const;
 155     const OUString& GetString() const { return maString; }
 156
 157     /// return length including expanded fields
 158     sal_Int32 GetExpandedLen() const;
 159     /// return content including expanded fields
 160     OUString GetExpandedText(sal_Int32 nStartPos = 0, sal_Int32 nEndPos = -1) const;
 161     /// re-write offsets in the expanded text to string offsets
 162     void UnExpandPositions(sal_Int32& rStartPos, sal_Int32& rEndPos);
 163
 164     void SetChar(sal_Int32 nPos, sal_Unicode c);
 165     void Insert(std::u16string_view rStr, sal_Int32 nPos);
 166     void Append(std::u16string_view rStr);
 167     void Erase(sal_Int32 nPos);
 168     void Erase(sal_Int32 nPos, sal_Int32 nCount);
 169     OUString Copy(sal_Int32 nPos) const;
 170     OUString Copy(sal_Int32 nPos, sal_Int32 nCount) const;
 171     sal_Unicode GetChar(sal_Int32 nPos) const;
 172
 173     void checkAndDeleteEmptyAttribs() const;
 174 };
 175
 176 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */