/// <summary>
/// Constructor for the PreMailer class
/// </summary>
/// <param name="html">The HTML input.</param>
/// <param name="parsingMode">(optional) the mode.</param>
public PreMailer(string html,HtmlParsingMode parsingMode)
{
_document = CQ.Create(html, parsingMode);
_warnings = new List<string>();
_cssParser = new CssParser();
_cssSelectorParser = new CssSelectorParser();
}
/// <summary>
/// Constructor for the PreMailer class
/// </summary>
/// <param name="html">The HTML input.</param>
public PreMailer(string html)
{
_document = CQ.CreateDocument(html);
_warnings = new List<string>();
_cssParser = new CssParser();
_cssSelectorParser = new CssSelectorParser();
}
/// <summary>
/// Constructor for the PreMailer class
/// </summary>
/// <param name="html">The HTML input.</param>
/// <param name="baseUri">Url that all relative urls will be off of</param>
public PreMailer(string html, Uri baseUri = null)
{
_baseUri = baseUri;
_document = new HtmlParser().Parse(html);
_warnings = new List<string>();
_cssParser = new CssParser();
_cssSelectorParser = new CssSelectorParser();
}
private PreMailer(string html, bool removeStyleElements = false, string ignoreElements = null)
{
_document = CQ.CreateDocument(html);
_removeStyleElements = removeStyleElements;
_ignoreElements = ignoreElements;
_warnings = new List<string>();
_cssParser = new CssParser();
_cssSelectorParser = new CssSelectorParser();
}
/// <summary>
/// Moves the CSS embedded in the specified htmlInput to inline style attributes.
/// </summary>
/// <param name="htmlInput">The HTML input.</param>
/// <param name="removeStyleElements">if set to <c>true</c> the style elements are removed.</param>
/// <returns>Returns the html input, with styles moved to inline attributes.</returns>
public string MoveCssInline(string htmlInput, bool removeStyleElements)
{
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(htmlInput);
var styleNodes = doc.DocumentNode.SelectNodes("//style");
if (styleNodes == null) return htmlInput; // no styles to move
foreach (var style in styleNodes)
{
if (style.Attributes["id"] != null && !String.IsNullOrWhiteSpace(style.Attributes["id"].Value) && style.Attributes["id"].Value.Equals("mobile", StringComparison.InvariantCultureIgnoreCase))
{
continue;
}
CssParser cssParser = new CssParser();
string cssBlock = style.InnerHtml;
cssParser.AddStyleSheet(cssBlock);
foreach (var item in cssParser.Styles)
{
var styleClass = item.Value;
var elements = doc.DocumentNode.QuerySelectorAll(styleClass.Name);
foreach (var element in elements)
{
HtmlAttribute styleAttribute = element.Attributes["style"];
if (styleAttribute == null)
{
element.Attributes.Add("style", String.Empty);
styleAttribute = element.Attributes["style"];
}
StyleClass sc = cssParser.ParseStyleClass("dummy", styleAttribute.Value);
sc.Merge(styleClass, true);
styleAttribute.Value = sc.ToString();
}
}
if (removeStyleElements)
{
style.Remove();
}
}
return doc.DocumentNode.OuterHtml;
}
private static SortedList<string, StyleClass> Join(IEnumerable<string> cssBlocks)
{
var parser = new CssParser();
foreach (var block in cssBlocks)
{
parser.AddStyleSheet(block);
}
return parser.Styles;
}