scintilla/src/PerLine.h

   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 #ifdef SCI_NAMESPACE
  12 namespace Scintilla {
  13 #endif
  14
  15 /**
  16  * This holds the marker identifier and the marker type to display.
  17  * MarkerHandleNumbers are members of lists.
  18  */
  19 struct MarkerHandleNumber {
  20         int handle;
  21         int number;
  22         MarkerHandleNumber *next;
  23 };
  24
  25 /**
  26  * A marker handle set contains any number of MarkerHandleNumbers.
  27  */
  28 class MarkerHandleSet {
  29         MarkerHandleNumber *root;
  30
  31 public:
  32         MarkerHandleSet();
  33         ~MarkerHandleSet();
  34         int Length() const;
  35         int MarkValue() const;  ///< Bit set of marker numbers.
  36         bool Contains(int handle) const;
  37         bool InsertHandle(int handle, int markerNum);
  38         void RemoveHandle(int handle);
  39         bool RemoveNumber(int markerNum, bool all);
  40         void CombineWith(MarkerHandleSet *other);
  41 };
  42
  43 class LineMarkers : public PerLine {
  44         SplitVector<MarkerHandleSet *> markers;
  45         /// Handles are allocated sequentially and should never have to be reused as 32 bit ints are very big.
  46         int handleCurrent;
  47 public:
  48         LineMarkers() : handleCurrent(0) {
  49         }
  50         virtual ~LineMarkers();
  51         virtual void Init();
  52         virtual void InsertLine(int line);
  53         virtual void RemoveLine(int line);
  54
  55         int MarkValue(int line);
  56         int MarkerNext(int lineStart, int mask) const;
  57         int AddMark(int line, int marker, int lines);
  58         void MergeMarkers(int pos);
  59         bool DeleteMark(int line, int markerNum, bool all);
  60         void DeleteMarkFromHandle(int markerHandle);
  61         int LineFromHandle(int markerHandle);
  62 };
  63
  64 class LineLevels : public PerLine {
  65         SplitVector<int> levels;
  66 public:
  67         virtual ~LineLevels();
  68         virtual void Init();
  69         virtual void InsertLine(int line);
  70         virtual void RemoveLine(int line);
  71
  72         void ExpandLevels(int sizeNew=-1);
  73         void ClearLevels();
  74         int SetLevel(int line, int level, int lines);
  75         int GetLevel(int line) const;
  76 };
  77
  78 class LineState : public PerLine {
  79         SplitVector<int> lineStates;
  80 public:
  81         LineState() {
  82         }
  83         virtual ~LineState();
  84         virtual void Init();
  85         virtual void InsertLine(int line);
  86         virtual void RemoveLine(int line);
  87
  88         int SetLineState(int line, int state);
  89         int GetLineState(int line);
  90         int GetMaxLineState() const;
  91 };
  92
  93 class LineAnnotation : public PerLine {
  94         SplitVector<char *> annotations;
  95 public:
  96         LineAnnotation() {
  97         }
  98         virtual ~LineAnnotation();
  99         virtual void Init();
 100         virtual void InsertLine(int line);
 101         virtual void RemoveLine(int line);
 102
 103         bool MultipleStyles(int line) const;
 104         int Style(int line) const;
 105         const char *Text(int line) const;
 106         const unsigned char *Styles(int line) const;
 107         void SetText(int line, const char *text);
 108         void ClearAll();
 109         void SetStyle(int line, int style);
 110         void SetStyles(int line, const unsigned char *styles);
 111         int Length(int line) const;
 112         int Lines(int line) const;
 113 };
 114
 115 typedef std::vector<int> TabstopList;
 116
 117 class LineTabstops : public PerLine {
 118         SplitVector<TabstopList *> tabstops;
 119 public:
 120         LineTabstops() {
 121         }
 122         virtual ~LineTabstops();
 123         virtual void Init();
 124         virtual void InsertLine(int line);
 125         virtual void RemoveLine(int line);
 126
 127         bool ClearTabstops(int line);
 128         bool AddTabstop(int line, int x);
 129         int GetNextTabstop(int line, int x) const;
 130 };
 131
 132 #ifdef SCI_NAMESPACE
 133 }
 134 #endif
 135
 136 #endif