public static string AdjustIndentForXmlDocExteriorTrivia(
this string triviaText,
bool forceIndentation,
int indentation,
int indentationDelta,
bool useTab,
int tabSize)
{
var isEmptyString = false;
var builder = StringBuilderPool.Allocate();
var trimmedTriviaText = triviaText.TrimEnd(s_trimChars);
var nonWhitespaceCharIndex = GetFirstNonWhitespaceIndexInString(triviaText);
if (nonWhitespaceCharIndex == -1)
{
isEmptyString = true;
nonWhitespaceCharIndex = triviaText.Length;
}
var newIndentation = GetNewIndentationForComments(triviaText, nonWhitespaceCharIndex, forceIndentation, indentation, indentationDelta, tabSize);
builder.AppendIndentationString(newIndentation, useTab, tabSize);
if (!isEmptyString)
{
builder.Append(triviaText, nonWhitespaceCharIndex, triviaText.Length - nonWhitespaceCharIndex);
}
return(StringBuilderPool.ReturnAndFree(builder));
}
private string GetWhitespaceString(LineColumn lineColumn, LineColumnDelta delta)
{
var sb = StringBuilderPool.Allocate();
for (int i = 0; i < delta.Lines; i++)
{
sb.AppendLine();
}
if (delta.Spaces == 0)
{
return(StringBuilderPool.ReturnAndFree(sb));
}
var useTabs = this.OptionSet.GetOption(FormattingOptions.UseTabs, this.Language);
var tabSize = this.OptionSet.GetOption(FormattingOptions.TabSize, this.Language);
// space indicates indentation
if (delta.Lines > 0 || lineColumn.Column == 0)
{
sb.Append(delta.Spaces.CreateIndentationString(useTabs, tabSize));
return(StringBuilderPool.ReturnAndFree(sb));
}
var useTabOnlyForIndentation = this.OptionSet.GetOption(FormattingOptions.UseTabOnlyForIndentation, this.Language);
// space indicates space between two noisy trivia or tokens
sb.Append(GetSpacesOrTabs(lineColumn.Column, delta.Spaces, useTabs && !useTabOnlyForIndentation, tabSize));
return(StringBuilderPool.ReturnAndFree(sb));
}
private string GetWhitespaceString(LineColumn lineColumn, LineColumnDelta delta)
{
var sb = StringBuilderPool.Allocate();
var newLine = this.OptionSet.GetOption(FormattingOptions.NewLine, this.Language);
for (int i = 0; i < delta.Lines; i++)
{
sb.Append(newLine);
}
if (delta.Spaces == 0)
{
return(StringBuilderPool.ReturnAndFree(sb));
}
var useTabs = this.OptionSet.GetOption(FormattingOptions.UseTabs, this.Language);
var tabSize = this.OptionSet.GetOption(FormattingOptions.TabSize, this.Language);
// space indicates indentation
if (delta.Lines > 0 || lineColumn.Column == 0)
{
sb.AppendIndentationString(delta.Spaces, useTabs, tabSize);
return(StringBuilderPool.ReturnAndFree(sb));
}
// space indicates space between two noisy trivia or tokens
sb.Append(' ', repeatCount: delta.Spaces);
return(StringBuilderPool.ReturnAndFree(sb));
}
public override string GetTextBetween(SyntaxToken token1, SyntaxToken token2)
{
var builder = StringBuilderPool.Allocate();
CommonFormattingHelpers.AppendTextBetween(token1, token2, builder);
return(StringBuilderPool.ReturnAndFree(builder));
}
public static string ReindentStartOfXmlDocumentationComment(
this string triviaText,
bool forceIndentation,
int indentation,
int indentationDelta,
bool useTab,
int tabSize,
string newLine
)
{
var builder = StringBuilderPool.Allocate();
// split xml doc comments into lines
var lines = triviaText.Split('\n');
Contract.ThrowIfFalse(lines.Length > 0);
// add first line and append new line iff it is not a single line xml doc comment
builder.Append(lines[0].Trim(s_trimChars));
if (0 < lines.Length - 1)
{
builder.Append(newLine);
}
// add rest of xml doc comments
for (var i = 1; i < lines.Length; i++)
{
var line = lines[i].TrimEnd(s_trimChars);
var nonWhitespaceCharIndex = GetFirstNonWhitespaceIndexInString(line);
if (nonWhitespaceCharIndex >= 0)
{
var newIndentation = GetNewIndentationForComments(
line,
nonWhitespaceCharIndex,
forceIndentation,
indentation,
indentationDelta,
tabSize
);
builder.AppendIndentationString(newIndentation, useTab, tabSize);
builder.Append(
line,
nonWhitespaceCharIndex,
line.Length - nonWhitespaceCharIndex
);
}
if (i < lines.Length - 1)
{
builder.Append(newLine);
}
}
return(StringBuilderPool.ReturnAndFree(builder));
}
private string CreateString(TriviaDataWithList triviaData, CancellationToken cancellationToken)
{
// create string from given trivia data
var sb = StringBuilderPool.Allocate();
foreach (var trivia in triviaData.GetTriviaList(cancellationToken))
{
sb.Append(trivia.ToFullString());
}
return(StringBuilderPool.ReturnAndFree(sb));
}
private string CreateString(string newLine)
{
if (this.SecondTokenIsFirstTokenOnLine)
{
var builder = StringBuilderPool.Allocate();
for (var i = 0; i < this.LineBreaks; i++)
{
builder.Append(newLine);
}
builder.AppendIndentationString(this.Spaces, this.OptionSet.GetOption(FormattingOptions.UseTabs, this.Language), this.OptionSet.GetOption(FormattingOptions.TabSize, this.Language));
return(StringBuilderPool.ReturnAndFree(builder));
}
// space case. always use space
return(new string(' ', this.Spaces));
}
