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 NumberFromHandle(int handle) const;
  36         int MarkValue() const;  ///< Bit set of marker numbers.
  37         bool Contains(int handle) const;
  38         bool InsertHandle(int handle, int markerNum);
  39         void RemoveHandle(int handle);
  40         bool RemoveNumber(int markerNum, bool all);
  41         void CombineWith(MarkerHandleSet *other);
  42 };
  43
  44 class LineMarkers : public PerLine {
  45         SplitVector<MarkerHandleSet *> markers;
  46         /// Handles are allocated sequentially and should never have to be reused as 32 bit ints are very big.
  47         int handleCurrent;
  48 public:
  49         LineMarkers() : handleCurrent(0) {
  50         }
  51         virtual ~LineMarkers();
  52         virtual void Init();
  53         virtual void InsertLine(int line);
  54         virtual void RemoveLine(int line);
  55
  56         int MarkValue(int line);
  57         int MarkerNext(int lineStart, int mask) const;
  58         int AddMark(int line, int marker, int lines);
  59         void MergeMarkers(int pos);
  60         bool DeleteMark(int line, int markerNum, bool all);
  61         void DeleteMarkFromHandle(int markerHandle);
  62         int LineFromHandle(int markerHandle);
  63 };
  64
  65 class LineLevels : public PerLine {
  66         SplitVector<int> levels;
  67 public:
  68         virtual ~LineLevels();
  69         virtual void Init();
  70         virtual void InsertLine(int line);
  71         virtual void RemoveLine(int line);
  72
  73         void ExpandLevels(int sizeNew=-1);
  74         void ClearLevels();
  75         int SetLevel(int line, int level, int lines);
  76         int GetLevel(int line);
  77 };
  78
  79 class LineState : public PerLine {
  80         SplitVector<int> lineStates;
  81 public:
  82         LineState() {
  83         }
  84         virtual ~LineState();
  85         virtual void Init();
  86         virtual void InsertLine(int line);
  87         virtual void RemoveLine(int line);
  88
  89         int SetLineState(int line, int state);
  90         int GetLineState(int line);
  91         int GetMaxLineState();
  92 };
  93
  94 class LineAnnotation : public PerLine {
  95         SplitVector<char *> annotations;
  96 public:
  97         LineAnnotation() {
  98         }
  99         virtual ~LineAnnotation();
 100         virtual void Init();
 101         virtual void InsertLine(int line);
 102         virtual void RemoveLine(int line);
 103
 104         bool AnySet() const;
 105         bool MultipleStyles(int line) const;
 106         int Style(int line);
 107         const char *Text(int line) const;
 108         const unsigned char *Styles(int line) const;
 109         void SetText(int line, const char *text);
 110         void ClearAll();
 111         void SetStyle(int line, int style);
 112         void SetStyles(int line, const unsigned char *styles);
 113         int Length(int line) const;
 114         int Lines(int line) const;
 115 };
 116
 117 #ifdef SCI_NAMESPACE
 118 }
 119 #endif
 120
 121 #endif