/// <summary>
/// The parsing algo from W3C does not parse CSS into right CSS object model, this is to convert to right CSSOM.
/// </summary>
/// <param name="rawstylesheet"></param>
/// <returns></returns>
private static CSSStyleSheet ParseCSSStyleSheet(stylesheet rawstylesheet, string baseurl, bool downloadImportRule, ref string OriginalCss)
{
CSSStyleSheet CssStyleSheet = new CSSStyleSheet();
foreach (var item in rawstylesheet.items)
{
if (item.Type == enumRuleType.QualifiedRule)
{
CSSRule rule = ParseQualifiedRule(item as QualifiedRule, ref OriginalCss);
if (rule != null)
{
rule.parentStyleSheet = CssStyleSheet;
CssStyleSheet.cssRules.appendRule(rule);
}
}
else if (item.Type == enumRuleType.AtRule)
{
CSSRule rule = ParseAtRule(item as AtRule, CssStyleSheet, baseurl, downloadImportRule, ref OriginalCss);
if (rule != null)
{
rule.parentStyleSheet = CssStyleSheet;
CssStyleSheet.cssRules.appendRule(rule);
}
}
}
return(CssStyleSheet);
}
/// <summary>
/// 5.3.1. Parse a stylesheet. To parse a stylesheet from a stream of tokens:
/// </summary>
/// <returns></returns>
public stylesheet ParseStyleSheet()
{
//Create a new stylesheet.
stylesheet stylesheet = new stylesheet();
//Consume a list of rules from the stream of tokens, with the top-level flag set.
//Assign the returned value to the stylesheet’s value.
stylesheet.items = ConsumeListOfRules(true);
//Return the stylesheet.
return(stylesheet);
}
/// <summary>
/// parse a style sheet.
/// </summary>
/// <param name="cssText"></param>
/// <param name="baseurl"></param>
/// <returns></returns>
public static CSSStyleSheet ParseCSSStyleSheet(string cssText, string baseurl, bool downloadImportRule)
{
//this.baseurl = baseurl;
//this.downloadimportrule = downloadImportRule;
TokenParser parser = new TokenParser();
stylesheet rawstylesheet = parser.ParseStyleSheet(cssText);
CSSStyleSheet stylesheet = ParseCSSStyleSheet(rawstylesheet, baseurl, downloadImportRule, ref cssText);
stylesheet.cssText = cssText;
return(stylesheet);
}
Load(new XPathDocument(stylesheet, XmlSpace.Preserve), resolver);
CompileXsltToQil(stylesheet, settings, stylesheetResolver);