Indent(Indent engine)
{
this.indentStack = new Stack<IndentType>(engine.indentStack.Reverse());
this.options = engine.options;
this.curIndent = engine.curIndent;
this.extraSpaces = engine.extraSpaces;
this.indentString = engine.indentString;
}
public CSharpIndentEngine(IDocument document, TextEditorOptions textEditorOptions, CSharpFormattingOptions formattingOptions)
{
this.document = document;
this.options = formattingOptions;
this.textEditorOptions = textEditorOptions;
this.indent = new Indent(textEditorOptions);
this.thisLineindent = new Indent(textEditorOptions);
}
Indent(Indent engine)
{
this.indentStack = engine.indentStack.Clone();
this.options = engine.options;
this.curIndent = engine.curIndent;
this.extraSpaces = engine.extraSpaces;
this.indentString = engine.indentString;
}
public AstFormattingVisitor(CSharpFormattingOptions policy, IDocument document, TextEditorOptions options = null)
{
if (policy == null) {
throw new ArgumentNullException("policy");
}
if (document == null) {
throw new ArgumentNullException("document");
}
this.policy = policy;
this.document = document;
this.options = options ?? TextEditorOptions.Default;
curIndent = new Indent(this.options);
}
public FormattingVisitor(CSharpFormatter formatter, IDocument document, FormattingChanges changes, CancellationToken token)
{
if (formatter == null)
throw new ArgumentNullException("formatter");
if (document == null)
throw new ArgumentNullException("document");
if (changes == null)
throw new ArgumentNullException("changes");
this.formatter = formatter;
this.changes = changes;
this.document = document;
this.token = token;
curIndent = new Indent(formatter.TextEditorOptions);
}
CSharpIndentEngine(CSharpIndentEngine prototype)
{
this.document = prototype.document;
this.options = prototype.options;
this.textEditorOptions = prototype.textEditorOptions;
this.indent = prototype.indent.Clone();
this.thisLineindent = prototype.thisLineindent.Clone();
this.offset = prototype.offset;
this.inside = prototype.inside;
this.IsLineStart = prototype.IsLineStart;
this.pc = prototype.pc;
this.parenStack = new Stack<TextLocation>(prototype.parenStack.Reverse ());
this.currentBody = prototype.currentBody;
this.nextBody = prototype.nextBody;
this.addContinuation = prototype.addContinuation;
this.line = prototype.line;
this.col = prototype.col;
this.popNextParenBlock = prototype.popNextParenBlock;
}
public void Push(char ch)
{
if (readPreprocessorExpression) {
wordBuf.Append(ch);
}
if (inside.HasFlag(Inside.VerbatimString) && pc == '"' && ch != '"') {
inside &= ~Inside.StringLiteral;
}
switch (ch) {
case '#':
if (IsLineStart)
inside = Inside.PreProcessor;
break;
case '/':
if (IsInStringOrChar || IsInPreProcessorComment)
break;
if (pc == '/') {
if (inside.HasFlag(Inside.Comment)) {
inside |= Inside.DocComment;
} else {
inside |= Inside.Comment;
}
}
break;
case '*':
if (IsInStringOrChar || IsInComment || IsInPreProcessorComment)
break;
if (pc == '/')
inside |= Inside.MultiLineComment;
break;
case ' ':
currentIndent.Append(' ');
break;
case '\t':
var nextTabStop = (col - 1 + textEditorOptions.IndentSize) / textEditorOptions.IndentSize;
col = 1 + nextTabStop * textEditorOptions.IndentSize;
currentIndent.Append('\t');
offset++;
return;
case '\r':
if (readPreprocessorExpression) {
if (!eval(wordBuf.ToString()))
inside |= Inside.PreProcessorComment;
}
inside &= ~(Inside.Comment | Inside.String | Inside.CharLiteral | Inside.PreProcessor);
CheckKeyword(wordBuf.ToString());
wordBuf.Length = 0;
indent.Push(indentDelta);
indentDelta = new Indent(textEditorOptions);
if (addContinuation) {
indent.Push(IndentType.Continuation);
}
thisLineindent = indent.Clone();
addContinuation = false;
IsLineStart = true;
readPreprocessorExpression = false;
col = 1;
line++;
currentIndent.Length = 0;
break;
case '\n':
if (pc == '\r')
break;
goto case '\r';
case '"':
if (IsInComment || IsInPreProcessorComment)
break;
if (inside.HasFlag(Inside.StringLiteral)) {
if (pc != '\\')
inside &= ~Inside.StringLiteral;
break;
}
if (pc == '@') {
inside |= Inside.VerbatimString;
} else {
inside |= Inside.StringLiteral;
}
break;
case '<':
case '[':
case '(':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
break;
parenStack.Push(new TextLocation(line, col));
popNextParenBlock = true;
indent.Push(IndentType.Block);
break;
case '>':
case ']':
case ')':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
break;
if (popNextParenBlock && parenStack.Count > 0)
parenStack.Pop();
if (indent.Count > 0)
indent.Pop();
indent.ExtraSpaces = 0;
break;
case ',':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
break;
if (parenStack.Count > 0 && parenStack.Peek().Line == line) {
if (indent.Count > 0)
indent.Pop();
popNextParenBlock = false;
indent.ExtraSpaces = parenStack.Peek().Column - 1 - thisLineindent.CurIndent;
}
break;
case '{':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
break;
currentBody = nextBody;
if (indent.Count > 0 && indent.Peek() == IndentType.Continuation)
indent.Pop();
addContinuation = false;
AddIndentation(currentBody);
break;
case '}':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
break;
if (indentDelta.CurIndent > 0) {
indentDelta.Pop();
if (indentDelta.Count > 0 && indentDelta.Peek() == IndentType.Continuation)
indentDelta.Pop();
} else {
if (thisLineindent.Count > 0)
thisLineindent.Pop();
if (indent.Count > 0)
indent.Pop();
}
break;
case ';':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
break;
if (indent.Count > 0 && indent.Peek() == IndentType.Continuation)
indent.Pop();
break;
case '\'':
if (IsInComment || inside.HasFlag(Inside.StringLiteral) || IsInPreProcessorComment)
break;
if (inside.HasFlag(Inside.CharLiteral)) {
if (pc != '\\')
inside &= ~Inside.CharLiteral;
} else {
inside &= Inside.CharLiteral;
}
break;
}
if (!IsInComment && !IsInStringOrChar && !readPreprocessorExpression) {
if ((wordBuf.Length == 0 ? char.IsLetter(ch) : char.IsLetterOrDigit(ch)) || ch == '_') {
wordBuf.Append(ch);
} else {
if (inside.HasFlag(Inside.PreProcessor)) {
if (wordBuf.ToString() == "endif") {
inside &= ~Inside.PreProcessorComment;
} else if (wordBuf.ToString() == "if") {
readPreprocessorExpression = true;
} else if (wordBuf.ToString() == "elif") {
inside &= ~Inside.PreProcessorComment;
readPreprocessorExpression = true;
}
} else {
CheckKeyword(wordBuf.ToString());
}
wordBuf.Length = 0;
}
}
if (addContinuation) {
indent.Push(IndentType.Continuation);
addContinuation = false;
}
IsLineStart &= ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r';
pc = ch;
if (ch != '\n' && ch != '\r')
col++;
offset++;
}
public void Push(Indent indent)
{
foreach (var i in indent.indentStack)
Push(i);
}
public static Indent ConvertFrom(string indentString, Indent correctIndent, TextEditorOptions options = null)
{
options = options ?? TextEditorOptions.Default;
var result = new Indent(options);
var indent = string.Concat(indentString.Where(c => c == ' ' || c == '\t'));
var indentTypes = new Stack<IndentType>(correctIndent.indentStack);
foreach (var _ in indent.TakeWhile(c => c == '\t'))
{
if (indentTypes.Count > 0)
result.Push(indentTypes.Pop());
else
result.Push(IndentType.Continuation);
}
result.ExtraSpaces = indent
.SkipWhile(c => c == '\t')
.TakeWhile(c => c == ' ')
.Count();
return result;
}
public Indent GetIndentWithoutSpace ()
{
var result = new Indent(options);
foreach (var i in indentStack)
result.Push(i);
return result;
}
public Indent Clone()
{
var result = new Indent(options, new Stack<IndentType>(indentStack), curIndent);
result.indentString = indentString;
return result;
}
public void Reset ()
{
offset = 0;
line = column = 1;
thisLineIndent = new Indent (CreateNRefactoryTextEditorOptions (data));
nextLineIndent = new Indent (CreateNRefactoryTextEditorOptions (data));
currentIndent = new StringBuilder ();
previousNewline = '\0';
previousChar = '\0';
isLineStart = true;
isInString = false;
}
public void Push (char ch)
{
var isNewLine = NewLine.IsNewLine (ch);
if (!isNewLine) {
if (ch == '"')
isInString = !IsInsideString;
if (ch == '{' || ch == '[') {
nextLineIndent.Push (IndentType.Block);
} else if (ch == '}' || ch == ']') {
if (thisLineIndent.Count > 0)
thisLineIndent.Pop ();
if (nextLineIndent.Count > 0)
nextLineIndent.Pop ();
}
} else {
if (ch == NewLine.LF && previousChar == NewLine.CR) {
offset++;
previousChar = ch;
return;
}
}
offset++;
if (!isNewLine) {
previousNewline = '\0';
isLineStart &= char.IsWhiteSpace (ch);
if (isLineStart)
currentIndent.Append (ch);
if (ch == '\t') {
var nextTabStop = (column - 1 + data.Options.IndentationSize) / data.Options.IndentationSize;
column = 1 + nextTabStop * data.Options.IndentationSize;
} else {
column++;
}
} else {
previousNewline = ch;
currentIndent.Length = 0;
isLineStart = true;
column = 1;
line++;
thisLineIndent = nextLineIndent.Clone ();
}
previousChar = ch;
}
public void Push(char ch)
{
if (readPreprocessorExpression)
{
wordBuf.Append(ch);
}
if (inside.HasFlag(Inside.VerbatimString) && pc == '"' && ch != '"')
{
inside &= ~Inside.StringLiteral;
}
switch (ch)
{
case '#':
if (IsLineStart)
{
inside = Inside.PreProcessor;
}
break;
case '/':
if (IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
if (pc == '/')
{
if (inside.HasFlag(Inside.Comment))
{
inside |= Inside.DocComment;
}
else
{
inside |= Inside.Comment;
}
}
break;
case '*':
if (IsInStringOrChar || IsInComment || IsInPreProcessorComment)
{
break;
}
if (pc == '/')
{
inside |= Inside.MultiLineComment;
}
break;
case ' ':
currentIndent.Append(' ');
break;
case '\t':
var nextTabStop = (col - 1 + textEditorOptions.IndentSize) / textEditorOptions.IndentSize;
col = 1 + nextTabStop * textEditorOptions.IndentSize;
currentIndent.Append('\t');
offset++;
return;
case '\r':
if (readPreprocessorExpression)
{
if (!eval(wordBuf.ToString()))
{
inside |= Inside.PreProcessorComment;
}
}
inside &= ~(Inside.Comment | Inside.String | Inside.CharLiteral | Inside.PreProcessor);
CheckKeyword(wordBuf.ToString());
wordBuf.Length = 0;
indent.Push(indentDelta);
indentDelta = new Indent(textEditorOptions);
if (addContinuation)
{
indent.Push(IndentType.Continuation);
}
thisLineindent = indent.Clone();
addContinuation = false;
IsLineStart = true;
readPreprocessorExpression = false;
col = 1;
line++;
currentIndent.Length = 0;
break;
case '\n':
if (pc == '\r')
{
break;
}
goto case '\r';
case '"':
if (IsInComment || IsInPreProcessorComment)
{
break;
}
if (inside.HasFlag(Inside.StringLiteral))
{
if (pc != '\\')
{
inside &= ~Inside.StringLiteral;
}
break;
}
if (pc == '@')
{
inside |= Inside.VerbatimString;
}
else
{
inside |= Inside.StringLiteral;
}
break;
case '<':
case '[':
case '(':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
parenStack.Push(new TextLocation(line, col));
popNextParenBlock = true;
indent.Push(IndentType.Block);
break;
case '>':
case ']':
case ')':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
if (popNextParenBlock && parenStack.Count > 0)
{
parenStack.Pop();
}
if (indent.Count > 0)
{
indent.Pop();
}
indent.ExtraSpaces = 0;
break;
case ',':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
if (parenStack.Count > 0 && parenStack.Peek().Line == line)
{
if (indent.Count > 0)
{
indent.Pop();
}
popNextParenBlock = false;
indent.ExtraSpaces = parenStack.Peek().Column - 1 - thisLineindent.CurIndent;
}
break;
case '{':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
currentBody = nextBody;
if (indent.Count > 0 && indent.Peek() == IndentType.Continuation)
{
indent.Pop();
}
addContinuation = false;
AddIndentation(currentBody);
break;
case '}':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
if (indentDelta.CurIndent > 0)
{
indentDelta.Pop();
if (indentDelta.Count > 0 && indentDelta.Peek() == IndentType.Continuation)
{
indentDelta.Pop();
}
}
else
{
if (thisLineindent.Count > 0)
{
thisLineindent.Pop();
}
if (indent.Count > 0)
{
indent.Pop();
}
}
break;
case ';':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
if (indent.Count > 0 && indent.Peek() == IndentType.Continuation)
{
indent.Pop();
}
break;
case '\'':
if (IsInComment || inside.HasFlag(Inside.StringLiteral) || IsInPreProcessorComment)
{
break;
}
if (inside.HasFlag(Inside.CharLiteral))
{
if (pc != '\\')
{
inside &= ~Inside.CharLiteral;
}
}
else
{
inside &= Inside.CharLiteral;
}
break;
}
if (!IsInComment && !IsInStringOrChar && !readPreprocessorExpression)
{
if ((wordBuf.Length == 0 ? char.IsLetter(ch) : char.IsLetterOrDigit(ch)) || ch == '_')
{
wordBuf.Append(ch);
}
else
{
if (inside.HasFlag(Inside.PreProcessor))
{
if (wordBuf.ToString() == "endif")
{
inside &= ~Inside.PreProcessorComment;
}
else if (wordBuf.ToString() == "if")
{
readPreprocessorExpression = true;
}
else if (wordBuf.ToString() == "elif")
{
inside &= ~Inside.PreProcessorComment;
readPreprocessorExpression = true;
}
}
else
{
CheckKeyword(wordBuf.ToString());
}
wordBuf.Length = 0;
}
}
if (addContinuation)
{
indent.Push(IndentType.Continuation);
addContinuation = false;
}
IsLineStart &= ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r';
pc = ch;
if (ch != '\n' && ch != '\r')
{
col++;
}
offset++;
}