public FormattedStringBuilder(
HtmlMarkupProvider htmlMarkupProvider,
IClassifier classifier,
IClassificationType defaultClassificationType,
IWaitIndicator waitIndicator)
{
_htmlMarkupProvider = htmlMarkupProvider;
_classifier = classifier;
_defaultClassificationType = defaultClassificationType;
_waitIndicator = waitIndicator;
}
public string GenerateHtml(NormalizedSnapshotSpanCollection spans, IWpfTextView textView)
{
if (spans == null || spans.Count == 0)
{
return("");
}
// this will trigger loading of the package
// so we can ensure ToolsOptionsPage gets created and
// ToolsOptionsPage.Instance gets set
var dte = (_DTE)_serviceProvider.GetService(typeof(_DTE));
var props = dte.Properties[CopyAsHtmlPackage.CategoryName, CopyAsHtmlPackage.PageName];
IClassificationFormatMap formatMap = _classificationFormatMappingService.GetClassificationFormatMap(textView);
IClassificationType defaultClassificationType = _classificationTypeRegistry.GetClassificationType("text");
HtmlMarkupProvider htmlMarkupProvider = new HtmlMarkupProvider(
formatMap,
defaultClassificationType,
textView.Background);
IClassifier classifier = _classifierAggregatorService.GetClassifier(textView.TextBuffer);
var formattedStringBuilder = new FormattedStringBuilder(
htmlMarkupProvider,
classifier,
defaultClassificationType,
this.WaitIndicator);
string result = formattedStringBuilder.AppendSnapshotSpans(spans);
var classifierDispose = classifier as System.IDisposable;
if (classifierDispose != null)
{
classifierDispose.Dispose();
}
return(result);
}
public string AppendSnapshotSpans(NormalizedSnapshotSpanCollection spans)
{
AppendBeginCodeSnippet();
// if there is a single stream selection span, we can attempt to unindent
if (ToolsOptionsPage.Instance.UnindentToRemoveExtraLeadingWhitespace && spans.Count == 1)
{
var plaintext = spans[0].GetText();
HtmlMarkupProvider.LongestPrefix = HtmlMarkupProvider.CalculateLongestCommonWhitespacePrefix(plaintext);
}
else
{
HtmlMarkupProvider.LongestPrefix = null;
}
foreach (var span in spans)
{
AppendSnapshotSpan(span);
}
AppendEndCodeSnippet();
return(_stringBuilder.ToString());
}