src/stc/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 class WindowAccessor : public Accessor {
  16         // Private so WindowAccessor objects can not be copied
  17         WindowAccessor(const WindowAccessor &source) : Accessor(), props(source.props) {}
  18         WindowAccessor &operator=(const WindowAccessor &) { return *this; }
  19 protected:
  20         WindowID id;
  21         PropSet &props;
  22         int lenDoc;
  23
  24         char styleBuf[bufferSize];
  25         int validLen;
  26         char chFlags;
  27         char chWhile;
  28         unsigned int startSeg;
  29
  30         bool InternalIsLeadByte(char ch);
  31         void Fill(int position);
  32 public:
  33         WindowAccessor(WindowID id_, PropSet &props_) :
  34                 Accessor(), id(id_), props(props_),
  35                 lenDoc(-1), validLen(0), chFlags(0), chWhile(0) {
  36         }
  37         ~WindowAccessor();
  38         bool Match(int pos, const char *s);
  39         char StyleAt(int position);
  40         int GetLine(int position);
  41         int LineStart(int line);
  42         int LevelAt(int line);
  43         int Length();
  44         void Flush();
  45         int GetLineState(int line);
  46         int SetLineState(int line, int state);
  47         int GetPropertyInt(const char *key, int defaultValue=0) {
  48                 return props.GetInt(key, defaultValue);
  49         }
  50         char *GetProperties() {
  51                 return props.ToString();
  52         }
  53
  54         void StartAt(unsigned int start, char chMask=31);
  55         void SetFlags(char chFlags_, char chWhile_) {chFlags = chFlags_; chWhile = chWhile_; };
  56         unsigned int GetStartSegment() { return startSeg; }
  57         void StartSegment(unsigned int pos);
  58         void ColourTo(unsigned int pos, int chAttr);
  59         void SetLevel(int line, int level);
  60         int IndentAmount(int line, int *flags, PFNIsCommentLeader pfnIsCommentLeader = 0);
  61         void IndicatorFill(int start, int end, int indicator, int value);
  62 };
  63
  64 #ifdef SCI_NAMESPACE
  65 }
  66 #endif