private void WriteTag(ElementNode element, TagNode tag, bool endTag) {
Indent();
string prefix = _tree.Text.GetText(tag.PrefixRange);
string colon = (tag.NameToken != null && tag.NameToken.HasColon) ? _tree.Text.GetText(tag.NameToken.ColonRange) : String.Empty;
string name = _tree.Text.GetText(tag.NameRange);
if (endTag)
_sb.Append("</");
else
_sb.Append('<');
_sb.Append(prefix);
_sb.Append(colon);
_sb.Append(name);
foreach (AttributeNode a in tag.Attributes)
WriteAttribute(a);
if (tag.IsClosed) {
if (String.Compare(element.Name, "?xml") == 0)
_sb.Append(" ?>");
else if (tag.IsShorthand)
_sb.Append(" />");
else
_sb.Append('>');
}
_sb.Append("\r\n");
}
public IEnumerable<ISuggestedAction> GetSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
return new ISuggestedAction[] {
new HtmlMinifyLightBulbAction(textView, textBuffer, element),
new HtmlExtractLightBulbAction(textView, textBuffer, element),
};
}
public bool HasSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
if (element.IsRoot || (!element.StartTag.Contains(caretPosition) && !element.EndTag.Contains(caretPosition)))
return false;
return element.InnerRange != null && element.GetText(element.InnerRange).Trim().Length > 0;
}
public IEnumerable<ISuggestedAction> GetSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
AttributeNode src = element.GetAttribute("src");
return new ISuggestedAction[] {
new HtmlBase64DecodeLightBulbAction(textView, textBuffer, element, src)
};
}
public IEnumerable<ISuggestedAction> GetSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
if (HasSuggestedActions(textView, textBuffer, caretPosition, element, attribute, positionType))
{
yield return new HtmlMinifyLightBulbAction(textView, textBuffer, element);
yield return new HtmlExtractLightBulbAction(textView, textBuffer, element);
}
}
public IEnumerable<ISuggestedAction> GetSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
AttributeNode ngController = element.GetAttribute("ng-controller") ?? element.GetAttribute("data-ng-controller");
return new ISuggestedAction[] {
new HtmlAngularControllerLightBulbAction(textView, textBuffer, element, ngController)
};
}
public static AttributeNode Create(ElementNode parent, AttributeToken token) {
var nameToken = token.NameToken as NameToken;
if (nameToken != null && nameToken.HasPrefix())
return new AttributeNodeWithPrefix(parent, token);
return new AttributeNode(parent, token);
}
public bool HasSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
if (element.Name != "img")
return false;
AttributeNode src = element.GetAttribute("src");
return src != null && src.Value.Trim().Length > 0;
}
public bool Visit(ElementNode element, object parameter)
{
if (element.HasAttribute("id"))
{
var list = (HashSet<string>)parameter;
list.Add(element.GetAttribute("id").Value);
}
return true;
}
private static string GetReference(ElementNode element, string fileName, string root)
{
string relative = FileHelpers.RelativePath(root, fileName);
string reference = "<script src=\"/{0}\"></script>";
if (element.IsStyleBlock())
reference = "<link rel=\"stylesheet\" href=\"/{0}\" />";
return string.Format(CultureInfo.CurrentCulture, reference, HttpUtility.HtmlAttributeEncode(relative));
}
public bool Visit(ElementNode element, object parameter)
{
if (element.Name.Equals("datalist", StringComparison.OrdinalIgnoreCase))
{
var list = (HashSet<string>)parameter;
list.Add(element.Id);
}
return true;
}
public bool HasSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
if (!element.StartTag.Contains(caretPosition))
return false;
if (element.InnerRange.Length < 5)
return false;
return element.IsStyleBlock() || element.IsJavaScriptBlock();
}
public bool Visit(ElementNode element, object parameter)
{
if (element.Name.Equals("title", StringComparison.OrdinalIgnoreCase))
{
var list = (HashSet<string>)parameter;
string text = element.GetText(element.InnerRange);
list.Add(text);
}
return true;
}
public TagNode(ElementNode parent, int openAngleBracketPosition, NameToken nameToken, int maxEnd) {
NameToken = nameToken;
_name = nameToken.HasName() ? parent.GetText(nameToken.NameRange) : String.Empty;
_start = openAngleBracketPosition;
_end = maxEnd;
IsClosed = false;
IsShorthand = false;
}
public ElementNode(ElementNode parent, int openAngleBracketPosition, NameToken nameToken, int maxEnd) {
Parent = parent;
if (nameToken.HasColon)
StartTag = new TagNodeWithPrefix(this, openAngleBracketPosition, nameToken, maxEnd);
else
StartTag = new TagNode(this, openAngleBracketPosition, nameToken, maxEnd);
VirtualEnd = maxEnd;
Properties = new PropertyDictionary();
}
private void WriteElement(ElementNode node) {
WriteTag(node, node.StartTag, false);
_indent++;
foreach (ElementNode child in node.Children)
WriteElement(child);
_indent--;
if (node.EndTag != null)
WriteTag(node, node.EndTag, true);
}
public bool HasSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
if (!element.IsElement("img"))
return false;
AttributeNode src = element.GetAttribute("src");
if (src == null)
return false;
return src.Value.StartsWith("data:image/", StringComparison.Ordinal);
}
public bool HasSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
if (!element.StartTag.Contains(caretPosition))
return false;
string url = (element.GetAttribute("src") ?? element.GetAttribute("href"))?.Value;
if (string.IsNullOrEmpty(url) || (!url.Contains("://") && !url.StartsWith("//")))
return false;
return element.IsElement("style") || element.IsElement("script");
}
public bool Visit(ElementNode element, object parameter)
{
if (_inputTypes.Contains(element.Name.ToLowerInvariant()))
{
var list = (HashSet<string>)parameter;
var id = element.GetAttribute("id");
if (id != null)
list.Add(id.Value);
}
return true;
}
public bool Visit(ElementNode element, object parameter)
{
if (element.Name == "label")
{
var list = (HashSet<string>)parameter;
var forAttr = element.GetAttribute("for");
if (forAttr != null)
list.Add(forAttr.Value);
}
return true;
}
public IHtmlSmartTag TryCreateSmartTag(ITextView textView, ITextBuffer textBuffer, ElementNode element, AttributeNode attribute, int caretPosition, HtmlPositionType positionType)
{
AttributeNode attr = element.GetAttribute("src") ?? element.GetAttribute("href");
if (attr == null)
return null;
Uri url = NormalizeUrl(attr);
if (url == null || (!attr.Value.StartsWith("//", StringComparison.Ordinal) && !attr.Value.Contains("://")))
return null;
return new RemoteDownloaderSmartTag(textView, textBuffer, element, attr);
}
public bool Visit(ElementNode element, object parameter)
{
// Search in class names to in order to make Intellisense show after typing "ng-" as a class value
if (element.Attributes.Any(a => (a.Name.StartsWith("ng-", StringComparison.Ordinal)
|| a.Name.StartsWith("data-ng-", StringComparison.Ordinal)
|| (a.Name == "class" && a.Value != null && a.Value.StartsWith("ng-", StringComparison.Ordinal)))))
{
var list = (HashSet<bool>)parameter;
list.Add(true);
return true;
}
return true;
}
public IEnumerable<ISuggestedAction> GetSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
AttributeNode src = element.GetAttribute("src");
if (src.Value.StartsWith("data:image/", StringComparison.Ordinal))
{
yield return new HtmlBase64DecodeLightBulbAction(textView, textBuffer, element, src);
}
if (!src.Value.StartsWith("http:") && !src.Value.StartsWith("https:") && !src.Value.StartsWith("//"))
{
yield return new HtmlOptimizeImageLightBulbAction(textView, textBuffer, element, src);
}
}
protected AttributeNode(ElementNode parent, AttributeToken token) {
AttributeToken = token;
if (parent != null && parent.Root.Tree != null) {
var nameToken = token.NameToken as NameToken;
if (token.HasName())
_name = parent.GetText(nameToken != null ? nameToken.NameRange : token);
else
_name = String.Empty;
UpdateValue(parent.TextProvider);
}
}
private static bool IsValid(ElementNode element)
{
if (element == null)
return false;
ElementNode parent = element.Parent;
while (parent != null)
{
if (parent.Name == "template")
return true;
parent = parent.Parent;
}
return false;
}
public IntegrityLightBulbAction(ITextView textView, ITextBuffer textBuffer, ElementNode element)
: base(textView, textBuffer, element, "Calculate integrity")
{ }
/// <summary>
/// Determines position type and enclosing element node for a given position in the document text.
/// </summary>
/// <param name="position">Position in the document text</param>
/// <param name="element">Element that contains position</param>
/// <param name="attribute">Attribute that contains position (may be null)</param>
/// <returns>Position type as a set of flags combined via OR operation</returns>
public virtual HtmlPositionType GetPositionElement(int position, out ElementNode element, out AttributeNode attribute)
{
element = null;
attribute = null;
// If start tag is not closed, consider end position to be inside it
// so user can continue getting attribute intellisense, like in <a href=|<a ...></a>
if (StartTag.Contains(position) || (position == StartTag.End && !StartTag.IsClosed))
{
// If position is right at the start, it is actually before the tag (in parent's content),
// as if when caret position is like this: <table>|<tr></tr><table>
if (position == StartTag.Start)
{
element = this.Parent;
return(HtmlPositionType.InContent);
}
if (position >= QualifiedNameRange.Start && position <= StartTag.QualifiedNameRange.End)
{
element = this;
return(HtmlPositionType.ElementName);
}
element = this;
for (int i = 0; i < Attributes.Count; i++)
{
var attrNode = Attributes[i];
bool hasClosingQuote = false;
var valueToken = attrNode.ValueToken;
hasClosingQuote = (valueToken != null) && (valueToken.CloseQuote != '\0');
if (position == attrNode.End && hasClosingQuote)
{
break;
}
if (position > attrNode.End)
{
continue;
}
if (position < attrNode.Start)
{
break;
}
if (attrNode.Contains(position) || (position == attrNode.End && !hasClosingQuote))
{
attribute = attrNode;
return(attrNode.GetPositionType(position));
}
}
return(HtmlPositionType.InStartTag);
}
if (!this.Contains(position))
{
return(HtmlPositionType.Undefined);
}
for (int i = 0; i < this.Children.Count; i++)
{
var child = Children[i];
if (position < child.Start)
{
break;
}
if (child.Contains(position))
{
return(child.GetPositionElement(position, out element, out attribute));
}
}
element = this;
// If position is right at the start, it is actually before the end tag,
// like when caret is between opening and closing tags: <table>|<table>
if (EndTag != null)
{
if (position == EndTag.Start)
{
return(HtmlPositionType.InContent);
}
if (EndTag.Contains(position))
{
return(HtmlPositionType.InEndTag);
}
}
if (this.IsScriptBlock())
{
return(HtmlPositionType.InScriptBlock);
}
if (this.IsStyleBlock())
{
return(HtmlPositionType.InStyleBlock);
}
return(HtmlPositionType.InContent);
}
public HtmlAngularControllerLightBulbAction(ITextView textView, ITextBuffer textBuffer, ElementNode element, AttributeNode attribute)
: base(textView, textBuffer, element, attribute, "Add new Angular Controller")
{
_ngController = attribute;
IconMoniker = KnownMonikers.JSScript;
}
public bool HasSuggestedActions(ITextView textView, ITextBuffer textBuffer, int caretPosition, ElementNode element, AttributeNode attribute, HtmlPositionType positionType)
{
return element.HasAttribute("ng-controller") || element.HasAttribute("data-ng-controller");
}
public HtmlExtractLightBulbAction(ITextView textView, ITextBuffer textBuffer, ElementNode element)
: base(textView, textBuffer, element, "Extract to File...")
{ }
public HtmlRemoveElementLightBulbAction(ITextView textView, ITextBuffer textBuffer, ElementNode element)
: base(textView, textBuffer, element, element.Children.Count == 0 ? "Remove <" + element.StartTag.Name + "> tag" : "Remove <" + element.StartTag.Name + "> and Keep Children")
{
_src = element.GetAttribute("src", true);
}
public TagNodeWithPrefix(ElementNode parent, int openAngleBracketPosition, NameToken nameToken, int maxEnd)
: base(parent, openAngleBracketPosition, nameToken, maxEnd)
{
_prefix = nameToken.HasPrefix() ? parent.GetText(nameToken.PrefixRange) : String.Empty;
}