/// <summary>
/// Parse given stylesheet for media CSS blocks<br/>
/// This blocks are added under the specific media block they are found.
/// </summary>
/// <param name="cssData">the CSS data to fill with parsed CSS objects</param>
/// <param name="stylesheet">the stylesheet to parse</param>
private static void ParseMediaStyleBlocks(CssData cssData, string stylesheet)
{
int startIdx = 0;
string atrule;
while ((atrule = RegexParserUtils.GetCssAtRules(stylesheet, ref startIdx)) != null)
{
//Just processs @media rules
if (!atrule.StartsWith("@media"))
{
continue;
}
//Extract specified media types
MatchCollection types = RegexParserUtils.Match(RegexParserUtils.CssMediaTypes, atrule);
if (types.Count == 1)
{
string line = types[0].Value;
if (line.StartsWith("@media") && line.EndsWith("{"))
{
//Get specified media types in the at-rule
string[] media = line.Substring(6, line.Length - 7).Split(' ');
//Scan media types
foreach (string t in media)
{
if (!String.IsNullOrEmpty(t.Trim()))
{
//Get blocks inside the at-rule
MatchCollection insideBlocks = RegexParserUtils.Match(RegexParserUtils.CssBlocks, atrule);
//Scan blocks and feed them to the style sheet
foreach (Match insideBlock in insideBlocks)
{
FeedStyleBlock(cssData, insideBlock.Value, t.Trim());
}
}
}
}
}
}
}
