1 // Scintilla source code edit control 2 /** @file PerLine.h 3 ** Manages data associated with each line of the document 4 **/ 5 // Copyright 1998-2009 by Neil Hodgson <neilh@scintilla.org> 6 // The License.txt file describes the conditions under which this software may be distributed. 7 8 #ifndef PERLINE_H 9 #define PERLINE_H 10 11 namespace Scintilla { 12 13 /** 14 * This holds the marker identifier and the marker type to display. 15 * MarkerHandleNumbers are members of lists. 16 */ 17 struct MarkerHandleNumber { 18 int handle; 19 int number; MarkerHandleNumberMarkerHandleNumber20 MarkerHandleNumber(int handle_, int number_) noexcept : handle(handle_), number(number_) {} 21 }; 22 23 /** 24 * A marker handle set contains any number of MarkerHandleNumbers. 25 */ 26 class MarkerHandleSet { 27 std::forward_list<MarkerHandleNumber> mhList; 28 29 public: 30 MarkerHandleSet(); 31 // Deleted so MarkerHandleSet objects can not be copied. 32 MarkerHandleSet(const MarkerHandleSet &) = delete; 33 MarkerHandleSet(MarkerHandleSet &&) = delete; 34 void operator=(const MarkerHandleSet &) = delete; 35 void operator=(MarkerHandleSet &&) = delete; 36 ~MarkerHandleSet(); 37 bool Empty() const noexcept; 38 int MarkValue() const noexcept; ///< Bit set of marker numbers. 39 bool Contains(int handle) const noexcept; 40 bool InsertHandle(int handle, int markerNum); 41 void RemoveHandle(int handle); 42 bool RemoveNumber(int markerNum, bool all); 43 void CombineWith(MarkerHandleSet *other) noexcept; 44 MarkerHandleNumber const *GetMarkerHandleNumber(int which) const noexcept; 45 }; 46 47 class LineMarkers : public PerLine { 48 SplitVector<std::unique_ptr<MarkerHandleSet>> markers; 49 /// Handles are allocated sequentially and should never have to be reused as 32 bit ints are very big. 50 int handleCurrent; 51 public: LineMarkers()52 LineMarkers() : handleCurrent(0) { 53 } 54 // Deleted so LineMarkers objects can not be copied. 55 LineMarkers(const LineMarkers &) = delete; 56 LineMarkers(LineMarkers &&) = delete; 57 void operator=(const LineMarkers &) = delete; 58 void operator=(LineMarkers &&) = delete; 59 ~LineMarkers() override; 60 void Init() override; 61 void InsertLine(Sci::Line line) override; 62 void InsertLines(Sci::Line line, Sci::Line lines) override; 63 void RemoveLine(Sci::Line line) override; 64 65 int MarkValue(Sci::Line line) const noexcept; 66 Sci::Line MarkerNext(Sci::Line lineStart, int mask) const noexcept; 67 int AddMark(Sci::Line line, int markerNum, Sci::Line lines); 68 void MergeMarkers(Sci::Line line); 69 bool DeleteMark(Sci::Line line, int markerNum, bool all); 70 void DeleteMarkFromHandle(int markerHandle); 71 Sci::Line LineFromHandle(int markerHandle) const noexcept; 72 int HandleFromLine(Sci::Line line, int which) const noexcept; 73 int NumberFromLine(Sci::Line line, int which) const noexcept; 74 }; 75 76 class LineLevels : public PerLine { 77 SplitVector<int> levels; 78 public: LineLevels()79 LineLevels() { 80 } 81 // Deleted so LineLevels objects can not be copied. 82 LineLevels(const LineLevels &) = delete; 83 LineLevels(LineLevels &&) = delete; 84 void operator=(const LineLevels &) = delete; 85 void operator=(LineLevels &&) = delete; 86 ~LineLevels() override; 87 void Init() override; 88 void InsertLine(Sci::Line line) override; 89 void InsertLines(Sci::Line line, Sci::Line lines) override; 90 void RemoveLine(Sci::Line line) override; 91 92 void ExpandLevels(Sci::Line sizeNew=-1); 93 void ClearLevels(); 94 int SetLevel(Sci::Line line, int level, Sci::Line lines); 95 int GetLevel(Sci::Line line) const noexcept; 96 }; 97 98 class LineState : public PerLine { 99 SplitVector<int> lineStates; 100 public: LineState()101 LineState() { 102 } 103 // Deleted so LineState objects can not be copied. 104 LineState(const LineState &) = delete; 105 LineState(LineState &&) = delete; 106 void operator=(const LineState &) = delete; 107 void operator=(LineState &&) = delete; 108 ~LineState() override; 109 void Init() override; 110 void InsertLine(Sci::Line line) override; 111 void InsertLines(Sci::Line line, Sci::Line lines) override; 112 void RemoveLine(Sci::Line line) override; 113 114 int SetLineState(Sci::Line line, int state); 115 int GetLineState(Sci::Line line); 116 Sci::Line GetMaxLineState() const noexcept; 117 }; 118 119 class LineAnnotation : public PerLine { 120 SplitVector<std::unique_ptr<char []>> annotations; 121 public: LineAnnotation()122 LineAnnotation() { 123 } 124 // Deleted so LineAnnotation objects can not be copied. 125 LineAnnotation(const LineAnnotation &) = delete; 126 LineAnnotation(LineAnnotation &&) = delete; 127 void operator=(const LineAnnotation &) = delete; 128 void operator=(LineAnnotation &&) = delete; 129 ~LineAnnotation() override; 130 void Init() override; 131 void InsertLine(Sci::Line line) override; 132 void InsertLines(Sci::Line line, Sci::Line lines) override; 133 void RemoveLine(Sci::Line line) override; 134 135 bool MultipleStyles(Sci::Line line) const noexcept; 136 int Style(Sci::Line line) const noexcept; 137 const char *Text(Sci::Line line) const noexcept; 138 const unsigned char *Styles(Sci::Line line) const noexcept; 139 void SetText(Sci::Line line, const char *text); 140 void ClearAll(); 141 void SetStyle(Sci::Line line, int style); 142 void SetStyles(Sci::Line line, const unsigned char *styles); 143 int Length(Sci::Line line) const noexcept; 144 int Lines(Sci::Line line) const noexcept; 145 }; 146 147 typedef std::vector<int> TabstopList; 148 149 class LineTabstops : public PerLine { 150 SplitVector<std::unique_ptr<TabstopList>> tabstops; 151 public: LineTabstops()152 LineTabstops() { 153 } 154 // Deleted so LineTabstops objects can not be copied. 155 LineTabstops(const LineTabstops &) = delete; 156 LineTabstops(LineTabstops &&) = delete; 157 void operator=(const LineTabstops &) = delete; 158 void operator=(LineTabstops &&) = delete; 159 ~LineTabstops() override; 160 void Init() override; 161 void InsertLine(Sci::Line line) override; 162 void InsertLines(Sci::Line line, Sci::Line lines) override; 163 void RemoveLine(Sci::Line line) override; 164 165 bool ClearTabstops(Sci::Line line) noexcept; 166 bool AddTabstop(Sci::Line line, int x); 167 int GetNextTabstop(Sci::Line line, int x) const noexcept; 168 }; 169 170 } 171 172 #endif 173