public void InsertRange(int startIndex, IHtmlElementsCollection elements)
{
foreach (var item in elements)
{
Insert(startIndex++, item);
}
}
public void AppendRange(IHtmlElementsCollection elements)
{
foreach (var item in elements)
{
Append(item);
}
}
public void ParseString_ReturnOneElementInCollection_WhenStringContainsOneTag(string html)
{
// Arrange
// Act
IHtmlElementsCollection elements = htmlParser.ParseString(html);
// Assert
Assert.Single(elements.ToList());
}
/// <summary>
/// Try convert html string to IHtmlElementsCollection.
/// </summary>
/// <param name="html">Valid html string.</param>
/// <param name="htmlElements">When the given string is parsed successfully, IHtmlElementsCollection instance represent given html string, otherwise null.</param>
/// <returns>True, if the given string is parsed successfully, otherwise false.</returns>
public bool TryParseString(string html, out IHtmlElementsCollection htmlElements)
{
try
{
htmlElements = ParseString(html);
return(true);
}
catch
{
htmlElements = null;
return(false);
}
}
private void SetChildrenParent(IHtmlElementsCollection children)
{
foreach (var element in children)
{
element.Parents.Add(this);
if (element is IHtmlNodeElement)
{
if (((IHtmlNodeElement)element).Children.Count() > 0)
{
SetChildrenParent(((IHtmlNodeElement)element).Children);
}
}
}
}
/// <summary>
/// Convert html document string to HtmlDocument.
/// </summary>
/// <param name="html">Valid html document string.</param>
/// <returns cref="HtmlDocument">HtmlDocument instance represent given html string.</returns>
public HtmlDocument ParsePage(string html)
{
if (html.IsNullOrEmpty())
{
throw new ArgumentNullException("html");
}
IHtmlElementsCollection elements = ParseString(html);
HtmlNodeElement element = (HtmlNodeElement)elements.FirstOrDefault(x => x.TagName == "html");
HtmlDocument document = new HtmlDocument();
document.Attributes = element.Attributes;
document.Children = element.Children;
document.Text(element.Texts());
document.Doctype = (HtmlDocTypeElement)elements.FirstOrDefault(x => x.TagName.IsEqualIgnoreCase("!DOCTYPE"));
return(document);
}
/// <summary>
/// Create html content.
/// </summary>
/// <param name="htmlElements">Collection of type IHtmlElement, for convert to HTML content.</param>
/// <returns>Html content repsresent specified elements collection.</returns>
public IHtmlContent CreateHtmlContent(IHtmlElementsCollection htmlElements)
=> new HtmlString(String.Join("", htmlElements.Select(element => CreateHtmlContent(element))));
