scintilla/include/WindowAccessor.h

   1 // Scintilla source code edit control
   2 /** @file WindowAccessor.h
   3  ** Implementation of BufferAccess and StylingAccess on a Scintilla
   4  ** rapid easy access to contents of a Scintilla.
   5  **/
   6 // Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
   7 // The License.txt file describes the conditions under which this software may be distributed.
   8
   9 #ifdef SCI_NAMESPACE
  10 namespace Scintilla {
  11 #endif
  12
  13 /**
  14  */
  15
  16 class WindowAccessor : public Accessor {
  17         // Private so WindowAccessor objects can not be copied
  18         WindowAccessor(const WindowAccessor &source) : Accessor(), props(source.props) {}
  19         WindowAccessor &operator=(const WindowAccessor &) { return *this; }
  20 protected:
  21         WindowID id;
  22         PropertyGet &props;
  23         int lenDoc;
  24
  25         char styleBuf[bufferSize];
  26         int validLen;
  27         char chFlags;
  28         char chWhile;
  29         unsigned int startSeg;
  30
  31         bool InternalIsLeadByte(char ch);
  32         void Fill(int position);
  33 public:
  34         WindowAccessor(WindowID id_, PropertyGet &props_) :
  35                 Accessor(), id(id_), props(props_),
  36                 lenDoc(-1), validLen(0), chFlags(0), chWhile(0) {
  37         }
  38         ~WindowAccessor();
  39         bool Match(int pos, const char *s);
  40         char StyleAt(int position);
  41         int GetLine(int position);
  42         int LineStart(int line);
  43         int LevelAt(int line);
  44         int Length();
  45         void Flush();
  46         int GetLineState(int line);
  47         int SetLineState(int line, int state);
  48         int GetPropertyInt(const char *key, int defaultValue=0) {
  49                 return props.GetInt(key, defaultValue);
  50         }
  51         char *GetProperties() {
  52                 return props.ToString();
  53         }
  54
  55         void StartAt(unsigned int start, char chMask=31);
  56         void SetFlags(char chFlags_, char chWhile_) {chFlags = chFlags_; chWhile = chWhile_; }
  57         unsigned int GetStartSegment() { return startSeg; }
  58         void StartSegment(unsigned int pos);
  59         void ColourTo(unsigned int pos, int chAttr);
  60         void SetLevel(int line, int level);
  61         int IndentAmount(int line, int *flags, PFNIsCommentLeader pfnIsCommentLeader = 0);
  62         void IndicatorFill(int start, int end, int indicator, int value);
  63 };
  64
  65 #ifdef SCI_NAMESPACE
  66 }
  67 #endif