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 | #include "Position.h" |
12 | #include "SplitVector.h" |
13 | #include "CellBuffer.h" |
14 | |
15 | #include <memory> |
16 | #include <forward_list> |
17 | |
18 | namespace Scintilla::Internal { |
19 | /** |
20 | * This holds the marker identifier and the marker type to display. |
21 | * MarkerHandleNumbers are members of lists. |
22 | */ |
23 | struct MarkerHandleNumber { |
24 | int handle; |
25 | int number; |
26 | MarkerHandleNumber(int handle_, int number_) noexcept : handle(handle_), number(number_) {} |
27 | }; |
28 | |
29 | /** |
30 | * A marker handle set contains any number of MarkerHandleNumbers. |
31 | */ |
32 | class MarkerHandleSet { |
33 | std::forward_list<MarkerHandleNumber> mhList; |
34 | |
35 | public: |
36 | MarkerHandleSet(); |
37 | // Deleted so MarkerHandleSet objects can not be copied. |
38 | MarkerHandleSet(const MarkerHandleSet &) = delete; |
39 | MarkerHandleSet(MarkerHandleSet &&) = delete; |
40 | void operator=(const MarkerHandleSet &) = delete; |
41 | void operator=(MarkerHandleSet &&) = delete; |
42 | ~MarkerHandleSet(); |
43 | bool Empty() const noexcept; |
44 | int MarkValue() const noexcept; ///< Bit set of marker numbers. |
45 | bool Contains(int handle) const noexcept; |
46 | bool InsertHandle(int handle, int markerNum); |
47 | void RemoveHandle(int handle); |
48 | bool RemoveNumber(int markerNum, bool all); |
49 | void CombineWith(MarkerHandleSet *other) noexcept; |
50 | MarkerHandleNumber const *GetMarkerHandleNumber(int which) const noexcept; |
51 | }; |
52 | |
53 | class LineMarkers : public PerLine { |
54 | SplitVector<std::unique_ptr<MarkerHandleSet>> markers; |
55 | /// Handles are allocated sequentially and should never have to be reused as 32 bit ints are very big. |
56 | int handleCurrent; |
57 | public: |
58 | LineMarkers() : handleCurrent(0) { |
59 | } |
60 | // Deleted so LineMarkers objects can not be copied. |
61 | LineMarkers(const LineMarkers &) = delete; |
62 | LineMarkers(LineMarkers &&) = delete; |
63 | void operator=(const LineMarkers &) = delete; |
64 | void operator=(LineMarkers &&) = delete; |
65 | ~LineMarkers() override; |
66 | void Init() override; |
67 | void InsertLine(Sci::Line line) override; |
68 | void InsertLines(Sci::Line line, Sci::Line lines) override; |
69 | void RemoveLine(Sci::Line line) override; |
70 | |
71 | int MarkValue(Sci::Line line) const noexcept; |
72 | Sci::Line MarkerNext(Sci::Line lineStart, int mask) const noexcept; |
73 | int AddMark(Sci::Line line, int markerNum, Sci::Line lines); |
74 | void MergeMarkers(Sci::Line line); |
75 | bool DeleteMark(Sci::Line line, int markerNum, bool all); |
76 | void DeleteMarkFromHandle(int markerHandle); |
77 | Sci::Line LineFromHandle(int markerHandle) const noexcept; |
78 | int HandleFromLine(Sci::Line line, int which) const noexcept; |
79 | int NumberFromLine(Sci::Line line, int which) const noexcept; |
80 | }; |
81 | |
82 | class LineLevels : public PerLine { |
83 | SplitVector<int> levels; |
84 | public: |
85 | LineLevels() { |
86 | } |
87 | // Deleted so LineLevels objects can not be copied. |
88 | LineLevels(const LineLevels &) = delete; |
89 | LineLevels(LineLevels &&) = delete; |
90 | void operator=(const LineLevels &) = delete; |
91 | void operator=(LineLevels &&) = delete; |
92 | ~LineLevels() override; |
93 | void Init() override; |
94 | void InsertLine(Sci::Line line) override; |
95 | void InsertLines(Sci::Line line, Sci::Line lines) override; |
96 | void RemoveLine(Sci::Line line) override; |
97 | |
98 | void ExpandLevels(Sci::Line sizeNew=-1); |
99 | void ClearLevels(); |
100 | int SetLevel(Sci::Line line, int level, Sci::Line lines); |
101 | int GetLevel(Sci::Line line) const noexcept; |
102 | }; |
103 | |
104 | class LineState : public PerLine { |
105 | SplitVector<int> lineStates; |
106 | public: |
107 | LineState() { |
108 | } |
109 | // Deleted so LineState objects can not be copied. |
110 | LineState(const LineState &) = delete; |
111 | LineState(LineState &&) = delete; |
112 | void operator=(const LineState &) = delete; |
113 | void operator=(LineState &&) = delete; |
114 | ~LineState() override; |
115 | void Init() override; |
116 | void InsertLine(Sci::Line line) override; |
117 | void InsertLines(Sci::Line line, Sci::Line lines) override; |
118 | void RemoveLine(Sci::Line line) override; |
119 | |
120 | int SetLineState(Sci::Line line, int state); |
121 | int GetLineState(Sci::Line line); |
122 | Sci::Line GetMaxLineState() const noexcept; |
123 | }; |
124 | |
125 | class LineAnnotation : public PerLine { |
126 | SplitVector<std::unique_ptr<char []>> annotations; |
127 | public: |
128 | LineAnnotation() { |
129 | } |
130 | // Deleted so LineAnnotation objects can not be copied. |
131 | LineAnnotation(const LineAnnotation &) = delete; |
132 | LineAnnotation(LineAnnotation &&) = delete; |
133 | void operator=(const LineAnnotation &) = delete; |
134 | void operator=(LineAnnotation &&) = delete; |
135 | ~LineAnnotation() override; |
136 | void Init() override; |
137 | void InsertLine(Sci::Line line) override; |
138 | void InsertLines(Sci::Line line, Sci::Line lines) override; |
139 | void RemoveLine(Sci::Line line) override; |
140 | |
141 | bool MultipleStyles(Sci::Line line) const noexcept; |
142 | int Style(Sci::Line line) const noexcept; |
143 | const char *Text(Sci::Line line) const noexcept; |
144 | const unsigned char *Styles(Sci::Line line) const noexcept; |
145 | void SetText(Sci::Line line, const char *text); |
146 | void ClearAll(); |
147 | void SetStyle(Sci::Line line, int style); |
148 | void SetStyles(Sci::Line line, const unsigned char *styles); |
149 | int Length(Sci::Line line) const noexcept; |
150 | int Lines(Sci::Line line) const noexcept; |
151 | }; |
152 | |
153 | typedef std::vector<int> TabstopList; |
154 | |
155 | class LineTabstops : public PerLine { |
156 | SplitVector<std::unique_ptr<TabstopList>> tabstops; |
157 | public: |
158 | LineTabstops() { |
159 | } |
160 | // Deleted so LineTabstops objects can not be copied. |
161 | LineTabstops(const LineTabstops &) = delete; |
162 | LineTabstops(LineTabstops &&) = delete; |
163 | void operator=(const LineTabstops &) = delete; |
164 | void operator=(LineTabstops &&) = delete; |
165 | ~LineTabstops() override; |
166 | void Init() override; |
167 | void InsertLine(Sci::Line line) override; |
168 | void InsertLines(Sci::Line line, Sci::Line lines) override; |
169 | void RemoveLine(Sci::Line line) override; |
170 | |
171 | bool ClearTabstops(Sci::Line line) noexcept; |
172 | bool AddTabstop(Sci::Line line, int x); |
173 | int GetNextTabstop(Sci::Line line, int x) const noexcept; |
174 | }; |
175 | |
176 | } |
177 | |
178 | #endif |
179 | |