public static CSSRuleList getRuleSetForAll(CSSStyleSheet stylesheet)
{
CSSRuleList rulelist = new CSSRuleList();
addStylesheetRules(stylesheet, rulelist);
return(rulelist);
}
/// <summary>
/// parse the csstext into a style sheet.
/// </summary>
/// <param name="cssText"></param>
/// <param name="basehref">the absolute url location, or the page url if embedded.</param>
/// <returns></returns>
public static CSSStyleSheet deserializeCSSStyleSheet(string cssText, string basehref)
{
CSSStyleSheet stylesheet = new CSSStyleSheet();
stylesheet.href = basehref;
if (string.IsNullOrEmpty(cssText) && !string.IsNullOrEmpty(basehref))
{
cssText = Loader.DownloadCss(basehref);
}
if (string.IsNullOrEmpty(cssText))
{
return(null);
}
stylesheet.cssText = cssText;
CSSRuleList rules = deserializeRuleList(cssText, basehref);
foreach (var item in rules.item)
{
item.parentStyleSheet = stylesheet;
}
stylesheet.cssRules = rules;
return(stylesheet);
}
/// <summary>
///
/// </summary>
/// <param name="cssText"></param>
/// <param name="BaseHref">if null, URL must contains http, otherwise, return null</param>
/// <returns></returns>
public static CSSImportRule deserializeCSSImportRule(string cssText, string BaseHref)
{
string importPattern = @"@import\s+(url\(\'(?<url>.*?)\'\)|url\(\""(?<url>.*?)\""\)|url\((?<url>.*?)\)|(?<url>\S*?))(\s+(?<media>.*?)\;|\;|\s*\;)";
Match m = Regex.Match(cssText, importPattern);
if (m.Success)
{
string medias = m.Groups["media"].Value;
string url = m.Groups["url"].Value;
if (string.IsNullOrEmpty(url))
{
return(null);
}
if (!url.ToLower().StartsWith("http://"))
{
url = PathHelper.combine(BaseHref, url);
}
CSSImportRule newRule = new CSSImportRule();
newRule.href = url;
if (!string.IsNullOrEmpty(medias))
{
string[] mediaArray = medias.Split(',');
MediaList mediaList = new MediaList();
foreach (var item in mediaArray)
{
mediaList.appendMedium(item);
}
newRule.media = mediaList;
}
CSSStyleSheet importStyleSheet = deserializeCSSStyleSheet(string.Empty, url);
if (importStyleSheet != null)
{
newRule.stylesheet = importStyleSheet;
return(newRule);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
private static void addStylesheetRules(CSSStyleSheet stylesheet, CSSRuleList ownerRuleList)
{
foreach (var item in stylesheet.cssRules.item)
{
if (item.type == enumCSSRuleType.STYLE_RULE)
{
ownerRuleList.appendRule(item);
}
else if (item.type == enumCSSRuleType.IMPORT_RULE)
{
addImportRule((CSSImportRule)item, ownerRuleList);
}
else if (item.type == enumCSSRuleType.MEDIA_RULE)
{
addMediaRule((CSSMediaRule)item, ownerRuleList);
}
}
}
