| public GetTextBetween ( Mono.TextEditor.DocumentLocation start, Mono.TextEditor.DocumentLocation end ) : string | ||
| start | Mono.TextEditor.DocumentLocation | |
| end | Mono.TextEditor.DocumentLocation | |
| return | string | |
public string FormatText (CSharpFormattingPolicy policy, TextStylePolicy textPolicy, string mimeType, string input, int startOffset, int endOffset)
{
var data = new TextEditorData ();
data.Document.SuppressHighlightUpdate = true;
data.Document.MimeType = mimeType;
data.Document.FileName = "toformat.cs";
if (textPolicy != null) {
data.Options.TabsToSpaces = textPolicy.TabsToSpaces;
data.Options.TabSize = textPolicy.TabWidth;
data.Options.IndentationSize = textPolicy.IndentWidth;
data.Options.IndentStyle = textPolicy.RemoveTrailingWhitespace ? IndentStyle.Virtual : IndentStyle.Smart;
}
data.Text = input;
// System.Console.WriteLine ("-----");
// System.Console.WriteLine (data.Text.Replace (" ", ".").Replace ("\t", "->"));
// System.Console.WriteLine ("-----");
var parser = new CSharpParser ();
var compilationUnit = parser.Parse (data);
bool hadErrors = parser.HasErrors;
if (hadErrors) {
// foreach (var e in parser.ErrorReportPrinter.Errors)
// Console.WriteLine (e.Message);
return input.Substring (startOffset, Math.Max (0, Math.Min (endOffset, input.Length) - startOffset));
}
var originalVersion = data.Document.Version;
var textEditorOptions = data.CreateNRefactoryTextEditorOptions ();
var formattingVisitor = new ICSharpCode.NRefactory.CSharp.CSharpFormatter (
policy.CreateOptions (),
textEditorOptions
) {
FormattingMode = FormattingMode.Intrusive
};
var changes = formattingVisitor.AnalyzeFormatting (data.Document, compilationUnit);
try {
changes.ApplyChanges (startOffset, endOffset - startOffset);
} catch (Exception e) {
LoggingService.LogError ("Error in code formatter", e);
return input.Substring (startOffset, Math.Max (0, Math.Min (endOffset, input.Length) - startOffset));
}
// check if the formatter has produced errors
parser = new CSharpParser ();
parser.Parse (data);
if (parser.HasErrors) {
LoggingService.LogError ("C# formatter produced source code errors. See console for output.");
return input.Substring (startOffset, Math.Max (0, Math.Min (endOffset, input.Length) - startOffset));
}
var currentVersion = data.Document.Version;
string result = data.GetTextBetween (startOffset, originalVersion.MoveOffsetTo (currentVersion, endOffset, ICSharpCode.NRefactory.Editor.AnchorMovementType.Default));
data.Dispose ();
return result;
}
public string GetExpression(Mono.TextEditor.TextEditorData data, int offset)
{
if (offset < 0)
{
return("");
}
var doc = IdeApp.Workbench.ActiveDocument;
if (doc == null)
{
return("");
}
var loc = RefactoringService.GetCorrectResolveLocation(doc, data.OffsetToLocation(offset));
var unit = doc.ParsedDocument.GetAst <SyntaxTree> ();
var parsedFile = doc.ParsedDocument.ParsedFile as CSharpUnresolvedFile;
var node = unit.GetNodeAt <Expression> (loc.Line, loc.Column);
if (unit == null || parsedFile == null || node == null)
{
return("");
}
return(data.GetTextBetween(node.StartLocation, node.EndLocation));
}
public static string GetWordBeforeCaret (TextEditorData editor)
{
int offset = editor.Caret.Offset;
int start = FindPrevWordStart (editor, offset);
return editor.GetTextBetween (start, offset);
}
ExpressionResult MakeResult (TextEditorData editor, int startOffset, int endOffset, IEnumerable<ExpressionContext> contexts)
{
if (endOffset < startOffset) {
int tmp = startOffset;
startOffset = endOffset;
endOffset = tmp;
}
var start = editor.Document.OffsetToLocation (startOffset);
var end = editor.Document.OffsetToLocation (endOffset);
return new ExpressionResult (editor.GetTextBetween (startOffset, endOffset), new DomRegion (start.Line, start.Column, end.Line, end.Column), contexts);
}
public override string FormatText (PolicyContainer policyParent, IEnumerable<string> mimeTypeChain,
string input, int startOffset, int endOffset)
{
var data = new TextEditorData ();
data.Document.SuppressHighlightUpdate = true;
data.Document.MimeType = mimeTypeChain.First ();
data.Document.FileName = "toformat.cs";
var textPolicy = policyParent.Get<TextStylePolicy> (mimeTypeChain);
data.Options.TabsToSpaces = textPolicy.TabsToSpaces;
data.Options.TabSize = textPolicy.TabWidth;
data.Options.OverrideDocumentEolMarker = true;
data.Options.DefaultEolMarker = textPolicy.GetEolMarker ();
data.Text = input;
// System.Console.WriteLine ("TABS:" + textPolicy.TabsToSpaces);
endOffset += CorrectFormatting (data, startOffset, endOffset);
/* System.Console.WriteLine ("-----");
System.Console.WriteLine (data.Text.Replace (" ", ".").Replace ("\t", "->"));
System.Console.WriteLine ("-----");*/
var compilationUnit = new MonoDevelop.CSharp.Parser.CSharpParser ().Parse (data);
var policy = policyParent.Get<CSharpFormattingPolicy> (mimeTypeChain);
var domSpacingVisitor = new AstSpacingVisitor (policy, data) {
AutoAcceptChanges = false,
};
compilationUnit.AcceptVisitor (domSpacingVisitor, null);
var domIndentationVisitor = new AstIndentationVisitor (policy, data) {
AutoAcceptChanges = false,
};
compilationUnit.AcceptVisitor (domIndentationVisitor, null);
var changes = new List<Change> ();
changes.AddRange (domSpacingVisitor.Changes.
Concat (domIndentationVisitor.Changes).
Where (c => c is TextReplaceChange && (startOffset <= ((TextReplaceChange)c).Offset && ((TextReplaceChange)c).Offset < endOffset)));
RefactoringService.AcceptChanges (null, null, changes);
int end = endOffset;
foreach (TextReplaceChange c in changes) {
end -= c.RemovedChars;
if (c.InsertedText != null)
end += c.InsertedText.Length;
}
/* System.Console.WriteLine ("-----");
System.Console.WriteLine (data.Text.Replace (" ", "^").Replace ("\t", "->"));
System.Console.WriteLine ("-----");*/
string result = data.GetTextBetween (startOffset, Math.Min (data.Length, end));
data.Dispose ();
return result;
}
protected override string InternalFormat (PolicyContainer policyParent, string mimeType, string input, int startOffset, int endOffset)
{
IEnumerable<string> types = DesktopService.GetMimeTypeInheritanceChain (CSharpFormatter.MimeType);
TextEditorData data = new TextEditorData ();
data.Text = input;
data.Document.MimeType = mimeType;
data.Document.SuppressHighlightUpdate = true;
data.Document.FileName = "toformat.cs";
var textPolicy = policyParent != null ? policyParent.Get<TextStylePolicy> (types) : MonoDevelop.Projects.Policies.PolicyService.GetDefaultPolicy<TextStylePolicy> (types);
data.Options.TabsToSpaces = textPolicy.TabsToSpaces;
data.Options.TabSize = textPolicy.TabWidth;
data.Options.OverrideDocumentEolMarker = true;
data.Options.DefaultEolMarker = textPolicy.GetEolMarker ();
endOffset += CorrectFormatting (data, startOffset, endOffset);
CSharp.Dom.CompilationUnit compilationUnit = new MonoDevelop.CSharp.Parser.CSharpParser ().Parse (data);
CSharpFormattingPolicy policy = policyParent != null ? policyParent.Get<CSharpFormattingPolicy> (types) : MonoDevelop.Projects.Policies.PolicyService.GetDefaultPolicy<CSharpFormattingPolicy> (types);
DomSpacingVisitor domSpacingVisitor = new DomSpacingVisitor (policy, data);
domSpacingVisitor.AutoAcceptChanges = false;
compilationUnit.AcceptVisitor (domSpacingVisitor, null);
DomIndentationVisitor domIndentationVisitor = new DomIndentationVisitor (policy, data);
domIndentationVisitor.AutoAcceptChanges = false;
compilationUnit.AcceptVisitor (domIndentationVisitor, null);
List<Change> changes = new List<Change> ();
changes.AddRange (domSpacingVisitor.Changes.
Concat (domIndentationVisitor.Changes).
Where (c => c is TextReplaceChange && (startOffset <= ((TextReplaceChange)c).Offset && ((TextReplaceChange)c).Offset < endOffset)));
RefactoringService.AcceptChanges (null, null, changes);
int end = endOffset;
foreach (TextReplaceChange c in changes) {
end -= c.RemovedChars;
if (c.InsertedText != null)
end += c.InsertedText.Length;
}
string result = data.GetTextBetween (startOffset, end);
return result;
}
public string BuildDocumentString (DocumentInfo info, TextEditorData data, List<LocalDocumentInfo.OffsetInfo> offsetInfos = null, bool buildExpressions = false)
{
var document = new StringBuilder ();
WriteUsings (info.Imports, document);
foreach (var node in info.XScriptBlocks) {
var start = data.Document.LocationToOffset (node.Region.Begin.Line, node.Region.Begin.Column) + 2;
var end = data.Document.LocationToOffset (node.Region.End.Line, node.Region.End.Column) - 2;
if (offsetInfos != null)
offsetInfos.Add (new LocalDocumentInfo.OffsetInfo (start, document.Length, end - start));
document.AppendLine (data.Document.GetTextBetween (start, end));
}
if (buildExpressions) {
WriteClassDeclaration (info, document);
document.AppendLine ("{");
document.AppendLine ("void Generated ()");
document.AppendLine ("{");
//Console.WriteLine ("start:" + location.BeginLine +"/" +location.BeginColumn);
foreach (var node in info.XExpressions) {
bool isBlock = node is WebFormsRenderBlock;
var start = data.Document.LocationToOffset (node.Region.Begin.Line, node.Region.Begin.Column) + 2;
var end = data.Document.LocationToOffset (node.Region.End.Line, node.Region.End.Column) - 2;
if (!isBlock) {
document.Append ("WriteLine (");
start += 1;
}
string expr = data.GetTextBetween (start, end);
if (offsetInfos != null) {
offsetInfos.Add (new LocalDocumentInfo.OffsetInfo (start, document.Length, expr.Length));
}
document.Append (expr);
if (!isBlock)
document.Append (");");
}
document.AppendLine ("}");
document.AppendLine ("}");
}
return document.ToString ();
}
public static bool GuessSemicolonInsertionOffset (TextEditorData data, ISegment curLine, int caretOffset, out int outOffset)
{
int lastNonWsOffset = caretOffset;
char lastNonWsChar = '\0';
outOffset = caretOffset;
int max = curLine.EndOffset;
int end = caretOffset;
while (end > 1 && char.IsWhiteSpace (data.GetCharAt (end)))
end--;
int end2 = end;
while (end2 > 1 && char.IsLetter (data.GetCharAt (end2 - 1)))
end2--;
if (end != end2) {
string token = data.GetTextBetween (end2, end + 1);
// guess property context
if (token == "get" || token == "set")
return false;
}
var offset = curLine.Offset;
string lineText = data.GetTextAt (caretOffset, max - caretOffset);
var lexer = new CSharpCompletionEngineBase.MiniLexer (lineText);
lexer.Parse ((ch, i) => {
if (lexer.IsInSingleComment || lexer.IsInMultiLineComment)
return true;
if (ch == '}' && lexer.IsFistNonWs && !IsSemicolonalreadyPlaced (data, caretOffset)) {
lastNonWsChar = ';';
return true;
}
if (!char.IsWhiteSpace (ch)) {
lastNonWsOffset = caretOffset + i;
lastNonWsChar = ch;
}
return false;
});
// if the line ends with ';' the line end is not the correct place for a new semicolon.
if (lastNonWsChar == ';')
return false;
outOffset = lastNonWsOffset;
return true;
}
static string GetIdentifierName (TextEditorData editor, Identifier id, out int startOffset)
{
startOffset = editor.LocationToOffset (id.StartLocation.Line, id.StartLocation.Column);
return editor.GetTextBetween (id.StartLocation, id.EndLocation);
}
public static string ResolveExpression (TextEditorData editor, ResolveResult result, AstNode node, out int startOffset)
{
//Console.WriteLine ("result is a {0}", result.GetType ().Name);
startOffset = -1;
if (result is NamespaceResolveResult ||
result is ConversionResolveResult ||
result is ConstantResolveResult ||
result is ForEachResolveResult ||
result is TypeIsResolveResult ||
result is TypeOfResolveResult ||
result is ErrorResolveResult)
return null;
if (result.IsCompileTimeConstant)
return null;
startOffset = editor.LocationToOffset (node.StartLocation.Line, node.StartLocation.Column);
if (result is InvocationResolveResult) {
var ir = (InvocationResolveResult) result;
if (ir.Member.Name == ".ctor") {
// if the user is hovering over something like "new Abc (...)", we want to show them type information for Abc
return ir.Member.DeclaringType.FullName;
}
// do not support general method invocation for tooltips because it could cause side-effects
return null;
} else if (result is LocalResolveResult) {
if (node is ParameterDeclaration) {
// user is hovering over a method parameter, but we don't want to include the parameter type
var param = (ParameterDeclaration) node;
return GetIdentifierName (editor, param.NameToken, out startOffset);
}
if (node is VariableInitializer) {
// user is hovering over something like "int fubar = 5;", but we don't want the expression to include the " = 5"
var variable = (VariableInitializer) node;
return GetIdentifierName (editor, variable.NameToken, out startOffset);
}
} else if (result is MemberResolveResult) {
var mr = (MemberResolveResult) result;
if (node is PropertyDeclaration) {
var prop = (PropertyDeclaration) node;
var name = GetIdentifierName (editor, prop.NameToken, out startOffset);
// if the property is static, then we want to return "Full.TypeName.Property"
if (prop.Modifiers.HasFlag (Modifiers.Static))
return mr.Member.DeclaringType.FullName + "." + name;
// otherwise we want to return "this.Property" so that it won't conflict with anything else in the local scope
return "this." + name;
}
if (node is FieldDeclaration) {
var field = (FieldDeclaration) node;
var name = GetIdentifierName (editor, field.NameToken, out startOffset);
// if the field is static, then we want to return "Full.TypeName.Field"
if (field.Modifiers.HasFlag (Modifiers.Static))
return mr.Member.DeclaringType.FullName + "." + name;
// otherwise we want to return "this.Field" so that it won't conflict with anything else in the local scope
return "this." + name;
}
if (node is VariableInitializer) {
// user is hovering over a field declaration that includes initialization
var variable = (VariableInitializer) node;
var name = GetIdentifierName (editor, variable.NameToken, out startOffset);
// walk up the AST to find the FieldDeclaration so that we can determine if it is static or not
var field = variable.GetParent<FieldDeclaration> ();
// if the field is static, then we want to return "Full.TypeName.Field"
if (field.Modifiers.HasFlag (Modifiers.Static))
return mr.Member.DeclaringType.FullName + "." + name;
// otherwise we want to return "this.Field" so that it won't conflict with anything else in the local scope
return "this." + name;
}
if (node is NamedExpression) {
// user is hovering over 'Property' in an expression like: var fubar = new Fubar () { Property = baz };
var variable = node.GetParent<VariableInitializer> ();
if (variable != null) {
var variableName = GetIdentifierName (editor, variable.NameToken, out startOffset);
var name = GetIdentifierName (editor, ((NamedExpression) node).NameToken, out startOffset);
return variableName + "." + name;
}
}
} else if (result is TypeResolveResult) {
return ((TypeResolveResult) result).Type.FullName;
}
return editor.GetTextBetween (node.StartLocation, node.EndLocation);
}
static string GetLocalExpression (TextEditorData editor, LocalResolveResult lr, DomRegion expressionRegion)
{
var start = new DocumentLocation (expressionRegion.BeginLine, expressionRegion.BeginColumn);
var end = new DocumentLocation (expressionRegion.EndLine, expressionRegion.EndColumn);
// In a setter, the 'value' variable will have a begin line/column of 0,0 which is an undefined offset
if (lr.Variable.Region.BeginLine != 0 && lr.Variable.Region.BeginColumn != 0) {
// Use the start and end offsets of the variable region so that we get the "@" in variable names like "@class"
start = new DocumentLocation (lr.Variable.Region.BeginLine, lr.Variable.Region.BeginColumn);
end = new DocumentLocation (lr.Variable.Region.EndLine, lr.Variable.Region.EndColumn);
}
string expression = editor.GetTextBetween (start, end).Trim ();
// Note: When the LocalResolveResult is a parameter, the Variable.Region includes the type
if (lr.IsParameter) {
int index = IndexOfLastWhiteSpace (expression);
if (index != -1)
expression = expression.Substring (index + 1);
}
return expression;
}
internal static bool TryResolveExpression (TextEditorData editor, ResolveResult res, DomRegion expressionRegion, out string expression)
{
expression = null;
//Console.WriteLine ("res is a {0}", res.GetType ().Name);
if (expressionRegion.IsEmpty)
return false;
if (res is NamespaceResolveResult ||
res is ConversionResolveResult ||
res is ConstantResolveResult ||
res is ForEachResolveResult ||
res is TypeIsResolveResult ||
res is TypeOfResolveResult ||
res is ErrorResolveResult)
return false;
if (res.IsCompileTimeConstant)
return false;
var start = new DocumentLocation (expressionRegion.BeginLine, expressionRegion.BeginColumn);
var end = new DocumentLocation (expressionRegion.EndLine, expressionRegion.EndColumn);
if (res is LocalResolveResult) {
expression = GetLocalExpression (editor, (LocalResolveResult) res, expressionRegion);
} else if (res is InvocationResolveResult) {
var ir = (InvocationResolveResult) res;
if (ir.Member.Name != ".ctor")
return false;
expression = ir.Member.DeclaringType.FullName;
} else if (res is MemberResolveResult) {
expression = GetMemberExpression (editor, (MemberResolveResult) res, expressionRegion);
} else if (res is NamedArgumentResolveResult) {
expression = editor.GetTextBetween (start, end);
} else if (res is ThisResolveResult) {
expression = editor.GetTextBetween (start, end);
} else if (res is TypeResolveResult) {
expression = editor.GetTextBetween (start, end);
} else {
return false;
}
return true;
}
static string GetMemberExpression (TextEditorData editor, MemberResolveResult mr, DomRegion expressionRegion)
{
string expression = null;
string member = null;
if (mr.Member != null) {
if (mr.Member is IProperty) {
// Visual Studio will evaluate Properties if you hover over their definitions...
var prop = (IProperty) mr.Member;
if (prop.CanGet) {
if (prop.IsStatic)
expression = prop.FullName;
else
member = prop.Name;
} else {
return null;
}
} else if (mr.Member is IField) {
var field = (IField) mr.Member;
if (field.IsStatic)
expression = field.FullName;
else
member = field.Name;
} else {
return null;
}
} else {
return null;
}
if (expression == null) {
if (mr.TargetResult != null) {
var targetRegion = mr.TargetResult.GetDefinitionRegion ();
if (mr.TargetResult is LocalResolveResult) {
expression = GetLocalExpression (editor, (LocalResolveResult) mr.TargetResult, targetRegion);
} else if (mr.TargetResult is MemberResolveResult) {
expression = GetMemberExpression (editor, (MemberResolveResult) mr.TargetResult, targetRegion);
} else if (mr.TargetResult is InitializedObjectResolveResult) {
return null;
} else if (mr.TargetResult is ThisResolveResult) {
return "this." + member;
} else if (!targetRegion.IsEmpty) {
var start = new DocumentLocation (targetRegion.BeginLine, targetRegion.BeginColumn);
var end = new DocumentLocation (targetRegion.EndLine, targetRegion.EndColumn);
expression = editor.GetTextBetween (start, end).Trim ();
}
if (expression == null) {
var start = new DocumentLocation (expressionRegion.BeginLine, expressionRegion.BeginColumn);
var end = new DocumentLocation (expressionRegion.EndLine, expressionRegion.EndColumn);
return editor.GetTextBetween (start, end).Trim ();
}
}
if (!string.IsNullOrEmpty (expression))
expression += "." + member;
else
expression = member;
}
return expression;
}
public static bool GuessSemicolonInsertionOffset (TextEditorData data, IDocumentLine curLine, int caretOffset, out int outOffset)
{
int lastNonWsOffset = caretOffset;
char lastNonWsChar = '\0';
outOffset = caretOffset;
int max = curLine.EndOffset;
// if (caretOffset - 2 >= curLine.Offset && data.Document.GetCharAt (caretOffset - 2) == ')' && !IsSemicolonalreadyPlaced (data, caretOffset))
// return false;
int end = caretOffset;
while (end > 1 && char.IsWhiteSpace (data.GetCharAt (end)))
end--;
int end2 = end;
while (end2 > 1 && char.IsLetter(data.GetCharAt (end2 - 1)))
end2--;
if (end != end2) {
string token = data.GetTextBetween (end2, end + 1);
// guess property context
if (token == "get" || token == "set")
return false;
}
bool isInString = false , isInChar= false , isVerbatimString= false;
bool isInLineComment = false , isInBlockComment= false;
bool firstChar = true;
for (int pos = caretOffset; pos < max; pos++) {
if (pos == caretOffset) {
if (isInString || isInChar || isVerbatimString || isInLineComment || isInBlockComment) {
outOffset = pos;
return true;
}
}
char ch = data.Document.GetCharAt (pos);
switch (ch) {
case '}':
if (firstChar && !IsSemicolonalreadyPlaced (data, caretOffset))
return false;
break;
case '/':
if (isInBlockComment) {
if (pos > 0 && data.Document.GetCharAt (pos - 1) == '*')
isInBlockComment = false;
} else if (!isInString && !isInChar && pos + 1 < max) {
char nextChar = data.Document.GetCharAt (pos + 1);
if (nextChar == '/') {
outOffset = lastNonWsOffset;
return true;
}
if (!isInLineComment && nextChar == '*') {
outOffset = lastNonWsOffset;
return true;
}
}
break;
case '\\':
if (isInChar || (isInString && !isVerbatimString))
pos++;
break;
case '@':
if (!(isInString || isInChar || isInLineComment || isInBlockComment) && pos + 1 < max && data.Document.GetCharAt (pos + 1) == '"') {
isInString = true;
isVerbatimString = true;
pos++;
}
break;
case '"':
if (!(isInChar || isInLineComment || isInBlockComment)) {
if (isInString && isVerbatimString && pos + 1 < max && data.Document.GetCharAt (pos + 1) == '"') {
pos++;
} else {
isInString = !isInString;
isVerbatimString = false;
}
}
break;
case '\'':
if (!(isInString || isInLineComment || isInBlockComment))
isInChar = !isInChar;
break;
}
if (!char.IsWhiteSpace (ch)) {
firstChar = false;
lastNonWsOffset = pos;
lastNonWsChar = ch;
}
}
// if the line ends with ';' the line end is not the correct place for a new semicolon.
if (lastNonWsChar == ';')
return false;
outOffset = lastNonWsOffset;
return true;
}
public LocalDocumentInfo BuildLocalDocument (DocumentInfo info, TextEditorData data,
string expressionText, string textAfterCaret, bool isExpression)
{
var sb = new StringBuilder ();
WriteUsings (info.Imports, sb);
WriteClassDeclaration (info, sb);
sb.AppendLine ("{");
var result = new LocalDocumentInfo ();
if (isExpression) {
sb.AppendLine ("void Generated ()");
sb.AppendLine ("{");
//Console.WriteLine ("start:" + location.BeginLine +"/" +location.BeginColumn);
foreach (var node in info.XExpressions) {
bool isBlock = node is WebFormsRenderBlock;
if (node.Region.Begin.Line > data.Caret.Line || node.Region.Begin.Line == data.Caret.Line && node.Region.Begin.Column > data.Caret.Column - 5)
continue;
//Console.WriteLine ("take xprt:" + expressions.Key.BeginLine +"/" +expressions.Key.BeginColumn);
var start = data.Document.LocationToOffset (node.Region.Begin.Line, node.Region.Begin.Column) + 2;
var end = data.Document.LocationToOffset (node.Region.End.Line, node.Region.End.Column) - 2;
if (!isBlock) {
sb.Append ("WriteLine (");
start += 1;
}
string expr = data.GetTextBetween (start, end);
result.AddTextPosition (start, end, expr.Length);
sb.Append (expr);
if (!isBlock)
sb.Append (");");
}
}
sb.Append (expressionText);
int caretPosition = sb.Length;
sb.Append (textAfterCaret);
sb.AppendLine ();
sb.AppendLine ("}");
sb.AppendLine ("}");
result.LocalDocument = sb.ToString ();
result.CaretPosition = caretPosition;
result.OriginalCaretPosition = data.Caret.Offset;
result.ParsedLocalDocument = Parse (info.AspNetDocument.FileName, sb.ToString ());
return result;
}
public string FormatText (CSharpFormattingPolicy policy, TextStylePolicy textPolicy, string mimeType, string input, int startOffset, int endOffset)
{
var data = new TextEditorData ();
data.Document.SuppressHighlightUpdate = true;
data.Document.MimeType = mimeType;
data.Document.FileName = "toformat.cs";
if (textPolicy != null) {
data.Options.TabsToSpaces = textPolicy.TabsToSpaces;
data.Options.TabSize = textPolicy.TabWidth;
data.Options.DefaultEolMarker = textPolicy.GetEolMarker ();
}
data.Options.OverrideDocumentEolMarker = true;
data.Text = input;
// System.Console.WriteLine ("-----");
// System.Console.WriteLine (data.Text.Replace (" ", ".").Replace ("\t", "->"));
// System.Console.WriteLine ("-----");
var parser = new CSharpParser ();
var compilationUnit = parser.Parse (data);
bool hadErrors = parser.HasErrors;
if (hadErrors) {
// foreach (var e in parser.ErrorReportPrinter.Errors)
// Console.WriteLine (e.Message);
return input.Substring (startOffset, Math.Max (0, Math.Min (endOffset, input.Length) - startOffset));
}
var adapter = new TextEditorDataAdapter (data);
var formattingVisitor = new ICSharpCode.NRefactory.CSharp.AstFormattingVisitor (policy.CreateOptions (), adapter, new FormattingActionFactory (data)) {
HadErrors = hadErrors
};
compilationUnit.AcceptVisitor (formattingVisitor, null);
var changes = new List<ICSharpCode.NRefactory.CSharp.Refactoring.Action> ();
changes.AddRange (formattingVisitor.Changes.
Where (c => (startOffset <= c.Offset && c.Offset < endOffset)));
MDRefactoringContext.MdScript.RunActions (changes, null);
// check if the formatter has produced errors
parser = new CSharpParser ();
parser.Parse (data);
if (parser.HasErrors) {
LoggingService.LogError ("C# formatter produced source code errors. See console for output.");
Console.WriteLine (data.Text);
return input.Substring (startOffset, Math.Max (0, Math.Min (endOffset, input.Length) - startOffset));
}
int end = endOffset;
foreach (TextReplaceAction c in changes) {
end -= c.RemovedChars;
if (c.InsertedText != null)
end += c.InsertedText.Length;
}
/* System.Console.WriteLine ("-----");
System.Console.WriteLine (data.Text.Replace (" ", "^").Replace ("\t", "->"));
System.Console.WriteLine ("-----");*/
string result = data.GetTextBetween (startOffset, Math.Min (data.Length, end));
data.Dispose ();
return result;
}
//
// TODO - It seems the support for properties varies
// depending on the ECMA script requested version.
// Fix the code here.
//
public static int GuessSemicolonInsertionOffset(TextEditorData data, DocumentLine currLine, int caretOffset)
{
int lastNonWsOffset = caretOffset;
char lastNonWsChar = '\0';
int max = currLine.EndOffset;
// PORT NOTE: Honestly, this looks like a hack.
if (caretOffset - 2 >= currLine.Offset && data.Document.GetCharAt (caretOffset - 2) == ')')
return caretOffset;
int end = caretOffset;
while (end > 1 && Char.IsWhiteSpace (data.GetCharAt (end)))
end--;
int end2 = end;
while (end2 > 1 && Char.IsLetter (data.GetCharAt (end2 - 1)))
end2--;
if (end != end2) {
string token = data.GetTextBetween (end2, end + 1);
// guess property context
if (token == "get" || token == "set")
return caretOffset;
}
bool isInDQuotedString = false, isInSQuotedString = false;
bool isInLineComment = false , isInBlockComment = false;
// Compare the first check against the original one.
for (int pos = caretOffset; pos < max; pos++) {
if (pos == caretOffset) {
if (isInDQuotedString || isInSQuotedString || isInLineComment || isInBlockComment)
return pos;
}
char ch = data.Document.GetCharAt (pos);
switch (ch) {
case '/':
if (isInBlockComment) {
if (pos > 0 && data.Document.GetCharAt (pos - 1) == '*')
isInBlockComment = false;
} else if (!(isInDQuotedString || isInSQuotedString) && pos + 1 < max) {
char nextChar = data.Document.GetCharAt (pos + 1);
if (nextChar == '/') {
isInLineComment = true;
return lastNonWsOffset;
}
if (!isInLineComment && nextChar == '*') {
isInBlockComment = true;
return lastNonWsOffset;
}
}
break;
case '\\':
if (isInSQuotedString || isInDQuotedString)
pos++;
break;
case '"':
if (!(isInSQuotedString || isInLineComment || isInBlockComment)) {
if (isInDQuotedString && pos + 1 < max && data.Document.GetCharAt (pos + 1) == '"')
pos++;
else
isInDQuotedString = !isInDQuotedString;
}
break;
case '\'':
if (!(isInDQuotedString || isInLineComment || isInBlockComment))
isInSQuotedString = !isInSQuotedString;
break;
}
if (!Char.IsWhiteSpace (ch)) {
lastNonWsOffset = pos;
lastNonWsChar = ch;
}
}
// if the line ends with ';' the line end is not the correct place for a new semicolon.
if (lastNonWsChar == ';')
return caretOffset;
return lastNonWsOffset;
}