C# ScintillaControl.GetWordFromPosition方法代码示例

        public static void ContextualGenerator(ScintillaControl Sci, List<ICompletionListItem> options)
        {
            if (ASContext.Context is ASContext) (ASContext.Context as ASContext).UpdateCurrentFile(false); // update model
            if ((ASContext.Context.CurrentClass.Flags & (FlagType.Enum | FlagType.TypeDef)) > 0) return;

            lookupPosition = -1;
            int position = Sci.CurrentPos;
            int style = Sci.BaseStyleAt(position);
            if (style == 19) // on keyword
                return;

            bool isNotInterface = (ASContext.Context.CurrentClass.Flags & FlagType.Interface) == 0;
            int line = Sci.LineFromPosition(position);
            contextToken = Sci.GetWordFromPosition(position);
            contextMatch = null;

            FoundDeclaration found = GetDeclarationAtLine(Sci, line);
            string text = Sci.GetLine(line);
            bool suggestItemDeclaration = false;

            if (isNotInterface && ASComplete.IsLiteralStyle(style))
            {
                ShowConvertToConst(found, options);
                return;
            }

            ASResult resolve = ASComplete.GetExpressionType(Sci, Sci.WordEndPosition(position, true));
            contextResolved = resolve;
            
            // ignore automatic vars (MovieClip members)
            if (isNotInterface
                && resolve.Member != null
                && (((resolve.Member.Flags & FlagType.AutomaticVar) > 0) || (resolve.InClass != null && resolve.InClass.QualifiedName == "Object")))
            {
                resolve.Member = null;
                resolve.Type = null;
            }

            if (isNotInterface && found.inClass != ClassModel.VoidClass && contextToken != null)
            {
                if (resolve.Member == null && resolve.Type != null
                    && (resolve.Type.Flags & FlagType.Interface) > 0) // implement interface
                {
                    contextParam = resolve.Type.Type;
                    ShowImplementInterface(found, options);
                    return;
                }

                if (resolve.Member != null && !ASContext.Context.CurrentClass.IsVoid()
                    && (resolve.Member.Flags & FlagType.LocalVar) > 0) // promote to class var
                {
                    contextMember = resolve.Member;
                    ShowPromoteLocalAndAddParameter(found, options);
                    return;
                }
            }
            
            if (contextToken != null && resolve.Member == null) // import declaration
            {
                if ((resolve.Type == null || resolve.Type.IsVoid() || !ASContext.Context.IsImported(resolve.Type, line)) && CheckAutoImport(found, options)) return;
                if (resolve.Type == null)
                {
                    suggestItemDeclaration = ASComplete.IsTextStyle(Sci.BaseStyleAt(position - 1));
                }
            }

            if (isNotInterface && found.member != null)
            {
                // private var -> property
                if ((found.member.Flags & FlagType.Variable) > 0 && (found.member.Flags & FlagType.LocalVar) == 0)
                {
                    // maybe we just want to import the member's non-imported type
                    Match m = Regex.Match(text, String.Format(patternVarDecl, found.member.Name, contextToken));
                    if (m.Success)
                    {
                        contextMatch = m;
                        ClassModel type = ASContext.Context.ResolveType(contextToken, ASContext.Context.CurrentModel);
                        if (type.IsVoid() && CheckAutoImport(found, options))
                            return;
                    }
                    ShowGetSetList(found, options);
                    return;
                }
                // inside a function
                else if ((found.member.Flags & (FlagType.Function | FlagType.Getter | FlagType.Setter)) > 0
                    && resolve.Member == null && resolve.Type == null)
                {
                    if (contextToken != null)
                    {
                        // "generate event handlers" suggestion
                        string re = String.Format(patternEvent, contextToken);
                        Match m = Regex.Match(text, re, RegexOptions.IgnoreCase);
                        if (m.Success)
                        {
                            contextMatch = m;
                            contextParam = CheckEventType(m.Groups["event"].Value);
                            ShowEventList(found, options);
                            return;
                        }
                        m = Regex.Match(text, String.Format(patternAS2Delegate, contextToken), RegexOptions.IgnoreCase);
//.........这里部分代码省略.........

        private static StatementReturnType GetStatementReturnType(ScintillaControl sci, ClassModel inClass, string line, int startPos)
        {
            Regex target = new Regex(@"[;\s\n\r]*", RegexOptions.RightToLeft);
            Match m = target.Match(line);
            if (!m.Success)
            {
                return null;
            }
            line = line.Substring(0, m.Index);

            if (line.Length == 0)
            {
                return null;
            }

            line = ReplaceAllStringContents(line);

            ASResult resolve = null;
            int pos = -1; 
            string word = null;
            ClassModel type = null;

            if (line[line.Length - 1] == ')')
            {
                pos = -1;
                int lastIndex = 0;
                int bracesBalance = 0;
                while (true)
                {
                    int pos1 = line.IndexOf('(', lastIndex);
                    int pos2 = line.IndexOf(')', lastIndex);
                    if (pos1 != -1 && pos2 != -1)
                    {
                        lastIndex = Math.Min(pos1, pos2);
                    }
                    else if (pos1 != -1 || pos2 != -1)
                    {
                        lastIndex = Math.Max(pos1, pos2);
                    }
                    else
                    {
                        break;
                    }
                    if (lastIndex == pos1)
                    {
                        bracesBalance++;
                        if (bracesBalance == 1)
                        {
                            pos = lastIndex;
                        }
                    }
                    else if (lastIndex == pos2)
                    {
                        bracesBalance--;
                    }
                    lastIndex++;
                }
            }
            else
            {
                pos = line.Length;
            }
            if (pos != -1)
            {
                line = line.Substring(0, pos);
                pos += startPos;
                pos -= line.Length - line.TrimEnd().Length + 1;
                pos = sci.WordEndPosition(pos, true);
                resolve = ASComplete.GetExpressionType(sci, pos);
                if (resolve.IsNull()) resolve = null;
                word = sci.GetWordFromPosition(pos);
            }

            IASContext ctx = inClass.InFile.Context;
            m = Regex.Match(line, "new\\s+([\\w\\d.<>,_$-]+)+(<[^]]+>)|(<[^]]+>)", RegexOptions.IgnoreCase);

            if (m.Success)
            {
                string m1 = m.Groups[1].Value;
                string m2 = m.Groups[2].Value;

                string cname;
                if (string.IsNullOrEmpty(m1) && string.IsNullOrEmpty(m2))
                    cname = m.Groups[0].Value;
                else
                    cname = String.Concat(m1, m2);

                if (cname.StartsWith('<'))
                    cname = "Vector." + cname; // literal vector

                type = ctx.ResolveType(cname, inClass.InFile);
                if (!type.IsVoid()) resolve = null;
            }
            else
            {
                char c = (char)sci.CharAt(pos);
                if (c == '"' || c == '\'')
                {
                    type = ctx.ResolveType(ctx.Features.stringKey, inClass.InFile);
                }
//.........这里部分代码省略.........

 /// <summary>
 /// Support for selection highlighting and selection changed event
 /// </summary>
 private void OnUpdateUI(ScintillaControl sci)
 {
     if (lastSelectionStart != sci.SelectionStart || lastSelectionEnd != sci.SelectionEnd || lastSelectionLength != sci.SelText.Length)
     {
         if (SelectionChanged != null) SelectionChanged(sci);
         switch (PluginBase.MainForm.Settings.HighlightMatchingWordsMode) // Handle selection highlighting
         {
             case Enums.HighlightMatchingWordsMode.SelectionOrPosition:
             {
                 StartHighlightSelectionTimer(sci);
                 break;
             }
             case Enums.HighlightMatchingWordsMode.SelectedWord:
             {
                 if (sci.SelText == sci.GetWordFromPosition(sci.CurrentPos))
                 {
                     StartHighlightSelectionTimer(sci);
                 }
                 break;
             }
         }
     }
     lastSelectionStart = sci.SelectionStart;
     lastSelectionEnd = sci.SelectionEnd;
     lastSelectionLength = sci.SelText.Length;
 }

        public PositionInfos(ScintillaControl sci, Int32 position, String argString)
        {
            // Variables
            String[] vars = argString.Split('¤');
            this.ArgCurWord = vars[0];
            this.ArgPackageName = vars[1];
            this.ArgClassName = vars[2];
            this.ArgClassType = vars[3];
            this.ArgMemberName = vars[4];
            this.ArgMemberType = vars[5];

            // Selection
            Int32 ss = sci.SelectionStart;
            Int32 se = sci.SelectionEnd;
            if (se != ss)
            {
                this.SelectionStart = ss;
                this.SelectionEnd = se;
                this.HasSelection = true;
                if (sci.LineFromPosition(ss) != sci.LineFromPosition(se))
                    this.SelectionIsMultiline = true;
                else SelectedText = sci.SelText;
            }

            // Current
            this.CurrentPosition = position;
            this.CurrentCharCode = sci.CharAt(position);
            this.CurrentIsWhiteChar = (HelpTools.IsWhiteChar(this.CurrentCharCode));
            this.CurrentIsDotChar = (this.CurrentCharCode == 46);
            this.CurrentIsActionScriptChar = HelpTools.IsActionScriptChar(this.CurrentCharCode);
            this.CurrentIsWordChar = HelpTools.IsWordChar((byte)this.CurrentCharCode);
            Int32 s = sci.StyleAt(position);
            this.CurrentIsInsideComment = (s == 1 || s == 2 || s == 3 || s == 17);

            // Next
            Int32 np = sci.PositionAfter(position);
            if (np != position)
                this.NextPosition = np;
            else
                this.CaretIsAtEndOfDocument = true;

            // Word
            this.CodePage = sci.CodePage; // (UTF-8|Big Endian|Little Endian : 65001) (8 Bits|UTF-7 : 0)
            
            if (this.CurrentIsInsideComment == false && this.SelectionIsMultiline == false)
            {
                Int32 wsp = sci.WordStartPosition(position, true);
                // Attention (WordEndPosition n'est pas estimé comme par defaut)
                Int32 wep = sci.PositionBefore(sci.WordEndPosition(position, true));

                if (this.CodePage != 65001)
                {
                    wsp = HelpTools.GetWordStartPositionByWordChar(sci, position);
                    // Attention (WordEndPosition n'est pas estimé comme par defaut)
                    wep = sci.PositionBefore(HelpTools.GetWordEndPositionByWordChar(sci, position));
                }

                this.WordStartPosition = wsp;
                this.WordEndPosition = wep;

                if (this.CodePage == 65001)
                    this.WordFromPosition = this.ArgCurWord;
                else
                    this.WordFromPosition = HelpTools.GetText(sci, wsp, sci.PositionAfter(wep));

                if (position > wep)
                    this.CaretIsAfterLastLetter = true;
            }
            
            // Previous
            if (this.CurrentPosition > 0)
            {
                this.PreviousPosition = sci.PositionBefore(position);
                this.PreviousCharCode = sci.CharAt(this.PreviousPosition);
                this.PreviousIsWhiteChar = HelpTools.IsWhiteChar(this.PreviousCharCode);
                this.PreviousIsDotChar = (this.PreviousCharCode == 46);
                this.PreviousIsActionScriptChar = HelpTools.IsActionScriptChar(this.PreviousCharCode);
            }

            // Line
            this.CurrentLineIdx = sci.LineFromPosition(position);
            if (this.CurrentPosition > 0)
                this.PreviousLineIdx = sci.LineFromPosition(this.PreviousPosition);

            this.LineIdxMax = sci.LineCount - 1;
            this.LineStartPosition = HelpTools.LineStartPosition(sci, this.CurrentLineIdx);
            this.LineEndPosition = sci.LineEndPosition(this.CurrentLineIdx);
            this.NewLineMarker = LineEndDetector.GetNewLineMarker(sci.EOLMode);

            // Previous / Next
            if (this.WordStartPosition != -1)
            {
                this.PreviousNonWhiteCharPosition = HelpTools.PreviousNonWhiteCharPosition(sci, this.WordStartPosition);
                this.PreviousWordIsFunction = (sci.GetWordFromPosition(this.PreviousNonWhiteCharPosition) == "function");
                this.NextNonWhiteCharPosition = HelpTools.NextNonWhiteCharPosition(sci, this.WordEndPosition);
            }

            // Function
            if (this.PreviousWordIsFunction)
            {
//.........这里部分代码省略.........

 /// <summary>
 /// 
 /// </summary>
 private void UpdateHighlightUnderCursor(ScintillaControl sci)
 {
     string file = PluginBase.MainForm.CurrentDocument.FileName;
     if (!IsValidFile(file)) return;
     int currentPos = sci.CurrentPos;
     string newToken = sci.GetWordFromPosition(currentPos);
     if (!string.IsNullOrEmpty(newToken)) newToken = newToken.Trim();
     if (!string.IsNullOrEmpty(newToken))
     {
         if (prevResult == null && prevToken == newToken) return;
         ASResult result = IsValidFile(file) ? ASComplete.GetExpressionType(sci, sci.WordEndPosition(currentPos, true)) : null;
         if (result != null && !result.IsNull())
         {
             if (prevResult != null && (result.Member != prevResult.Member || result.Type != prevResult.Type || result.Path != prevResult.Path)) return;
             RemoveHighlights(sci);
             prevToken = newToken;
             prevResult = result;
             List<SearchMatch> matches = FilterResults(GetResults(sci, prevToken), result, sci);
             if (matches == null || matches.Count == 0) return;
             highlightUnderCursorTimer.Stop();
             AddHighlights(sci, matches);
         }
         else RemoveHighlights(sci);
     }
     else RemoveHighlights(sci);
 }