/// <summary>
/// desrialized rule list. ImportRule is at the beginning of file, and should be ignored.
/// </summary>
/// <param name="cssText"></param>
/// <param name="basehref">the base href for import rule. </param>
/// <returns></returns>
public static CSSRuleList deserializeRuleList(string cssText, string basehref)
{
CSSRuleList rules = new CSSRuleList();
CSSFileScanner filescanner = new CSSFileScanner(cssText);
CSSFileScannerResult result = filescanner.ReadNext();
while (result != null)
{
if (result.type == enumCSSRuleType.STYLE_RULE)
{
CSSStyleRule stylerule = deserializeCSSStyleRule(result.cssText);
if (stylerule != null)
{
rules.appendRule(stylerule);
}
}
else if (result.type == enumCSSRuleType.IMPORT_RULE)
{
CSSImportRule importrule = deserializeCSSImportRule(result.cssText, basehref);
if (importrule != null)
{
rules.appendRule(importrule);
}
}
else if (result.type == enumCSSRuleType.MEDIA_RULE)
{
CSSMediaRule mediarule = deserializeCSSMediaRule(result.cssText);
if (mediarule != null)
{
rules.appendRule(mediarule);
}
}
else
{
//TODO: other rules are not implemented now.
}
result = filescanner.ReadNext();
}
return(rules);
}
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);
}
}
}
private static void addMediaRule(CSSMediaRule rule, CSSRuleList ownerRuleList)
{
bool isMatch = false;
if (rule.media.item.Count > 0)
{
foreach (var subitem in rule.media.item)
{
if (subitem.ToLower().Contains("all"))
{
isMatch = true;
}
}
}
else
{
isMatch = true;
}
if (isMatch)
{
foreach (var item in rule.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);
}
}
}
}