contrib/src/stc/scintilla/src/DocumentAccessor.h

   1 // DocumentAccessor.h - implementation of BufferAccess and StylingAccess on a Scintilla rapid easy access to contents of a Scintilla
   2 // Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
   3 // The License.txt file describes the conditions under which this software may be distributed.
   4
   5 class Document;
   6
   7 class DocumentAccessor : public Accessor {
   8         // Private so DocumentAccessor objects can not be copied
   9         DocumentAccessor(const DocumentAccessor &source) : Accessor(), props(source.props) {}
  10         DocumentAccessor &operator=(const DocumentAccessor &) { return *this; }
  11 protected:
  12         Document *pdoc;
  13         PropSet &props;
  14         int lenDoc;
  15
  16         char styleBuf[bufferSize];
  17         int validLen;
  18         char chFlags;
  19         char chWhile;
  20         unsigned int startSeg;
  21
  22         bool InternalIsLeadByte(char ch);
  23         void Fill(int position);
  24 public:
  25         DocumentAccessor(Document *pdoc_, PropSet &props_) :
  26                 Accessor(), pdoc(pdoc_), props(props_),
  27                 lenDoc(-1), validLen(0), chFlags(0), chWhile(0) {
  28         }
  29         ~DocumentAccessor();
  30         char StyleAt(int position);
  31         int GetLine(int position);
  32         int LineStart(int line);
  33         int LevelAt(int line);
  34         int Length();
  35         void Flush();
  36         int GetLineState(int line);
  37         int SetLineState(int line, int state);
  38         int GetPropertyInt(const char *key, int defaultValue=0) {
  39                 return props.GetInt(key, defaultValue);
  40         }
  41
  42         void StartAt(unsigned int start, char chMask=31);
  43         void SetFlags(char chFlags_, char chWhile_) {chFlags = chFlags_; chWhile = chWhile_; };
  44         unsigned int GetStartSegment() { return startSeg; }
  45         void StartSegment(unsigned int pos);
  46         void ColourTo(unsigned int pos, int chAttr);
  47         void SetLevel(int line, int level);
  48         int IndentAmount(int line, int *flags, PFNIsCommentLeader pfnIsCommentLeader = 0);
  49 };