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Accessor.h - Hosted on DriveHQ Cloud IT Platform
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路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\scintilla\include\Accessor.h
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// Scintilla source code edit control /** @file Accessor.h ** Rapid easy access to contents of a Scintilla. **/ // Copyright 1998-2001 by Neil Hodgson
// The License.txt file describes the conditions under which this software may be distributed. enum { wsSpace = 1, wsTab = 2, wsSpaceTab = 4, wsInconsistent=8}; class Accessor; typedef bool (*PFNIsCommentLeader)(Accessor &styler, int pos, int len); /** * Interface to data in a Scintilla. */ class Accessor { protected: enum {extremePosition=0x7FFFFFFF}; /** @a bufferSize is a trade off between time taken to copy the characters * and retrieval overhead. * @a slopSize positions the buffer before the desired position * in case there is some backtracking. */ enum {bufferSize=4000, slopSize=bufferSize/8}; char buf[bufferSize+1]; int startPos; int endPos; int codePage; virtual bool InternalIsLeadByte(char ch)=0; virtual void Fill(int position)=0; public: Accessor() : startPos(extremePosition), endPos(0), codePage(0) {} virtual ~Accessor() {} char operator[](int position) { if (position < startPos || position >= endPos) { Fill(position); } return buf[position - startPos]; } /** Safe version of operator[], returning a defined value for invalid position. */ char SafeGetCharAt(int position, char chDefault=' ') { if (position < startPos || position >= endPos) { Fill(position); if (position < startPos || position >= endPos) { // Position is outside range of document return chDefault; } } return buf[position - startPos]; } bool IsLeadByte(char ch) { return codePage && InternalIsLeadByte(ch); } void SetCodePage(int codePage_) { codePage = codePage_; } virtual bool Match(int pos, const char *s)=0; virtual char StyleAt(int position)=0; virtual int GetLine(int position)=0; virtual int LineStart(int line)=0; virtual int LevelAt(int line)=0; virtual int Length()=0; virtual void Flush()=0; virtual int GetLineState(int line)=0; virtual int SetLineState(int line, int state)=0; virtual int GetPropertyInt(const char *key, int defaultValue=0)=0; virtual char *GetProperties()=0; // Style setting virtual void StartAt(unsigned int start, char chMask=31)=0; virtual void SetFlags(char chFlags_, char chWhile_)=0; virtual unsigned int GetStartSegment()=0; virtual void StartSegment(unsigned int pos)=0; virtual void ColourTo(unsigned int pos, int chAttr)=0; virtual void SetLevel(int line, int level)=0; virtual int IndentAmount(int line, int *flags, PFNIsCommentLeader pfnIsCommentLeader = 0)=0; virtual void IndicatorFill(int start, int end, int indicator, int value)=0; };
Accessor.h
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