protected string ExtractExternalScripts(string renderedTemplate, ref bool include2SxcJs)
{
var wrapLog = Log.Call <string>();
var scriptMatches = ScriptSrcDetection.Matches(renderedTemplate);
var scriptMatchesToRemove = new List <Match>();
Log.Add($"Found {scriptMatches.Count} external scripts");
foreach (Match match in scriptMatches)
{
var url = FixUrlWithSpaces(match.Groups["Src"].Value);
// always remove 2sxc JS requests from template and ensure it's added the standard way
if (Is2SxcApiJs(url))
{
include2SxcJs = true;
scriptMatchesToRemove.Add(match);
continue;
}
var providerName = "body";
var priority = JsDefaultPriority;
// todo: ATM the priority and type is only detected in the Regex which expects "enable-optimizations"
// ...so to improve this code, we would have to use 2 regexs - one for detecting "enable-optimizations"
// ...and another for the priority etc.
// skip if not matched and setting only wants matches
if (ExtractOnlyEnableOptimization)
{
var optMatch = OptimizeDetection.Match(match.Value);
if (!optMatch.Success)
{
continue;
}
providerName = optMatch.Groups["Position"]?.Value ?? providerName;
priority = GetPriority(optMatch, priority);
if (priority <= 0)
{
continue; // don't register/remove if not within specs
}
}
// Register, then add to remove-queue
Assets.Add(new ClientAssetInfo {
IsJs = true, PosInPage = providerName, Priority = priority, Url = url
});
scriptMatchesToRemove.Add(match);
}
// remove in reverse order, so that the indexes don't change
scriptMatchesToRemove.Reverse();
scriptMatchesToRemove.ForEach(p => renderedTemplate = renderedTemplate.Remove(p.Index, p.Length));
return(wrapLog(null, renderedTemplate));
}
protected string ExtractStyles(string renderedTemplate)
{
var wrapLog = Log.Call <string>();
var styleMatches = StyleDetection.Matches(renderedTemplate);
var styleMatchesToRemove = new List <Match>();
Log.Add($"Found {styleMatches.Count} external styles");
foreach (Match match in styleMatches)
{
var posInPage = "head"; // default for styles
var priority = CssDefaultPriority;
var optMatch = OptimizeDetection.Match(match.Value);
// todo: ATM the priority and type is only detected in the Regex which expects "enable-optimizations"
// ...so to improve this code, we would have to use 2 regexs - one for detecting "enable-optimizations"
// ...and another for the priority etc.
// skip if not matched and setting only wants matches
if (ExtractOnlyEnableOptimization)
{
if (!optMatch.Success)
{
continue;
}
// skip if not stylesheet
if (!StyleRelDetect.IsMatch(match.Value))
{
continue;
}
posInPage = optMatch.Groups["Position"]?.Value ?? posInPage;
priority = GetPriority(optMatch, priority);
// don't register/remove if not within specs
if (priority <= 0)
{
continue;
}
}
// Register, then remember to remove later on
var url = FixUrlWithSpaces(match.Groups["Src"].Value);
Assets.Add(new ClientAssetInfo {
IsJs = false, PosInPage = posInPage, Priority = priority, Url = url
});
styleMatchesToRemove.Add(match);
}
styleMatchesToRemove.Reverse();
styleMatchesToRemove.ForEach(p => renderedTemplate = renderedTemplate.Remove(p.Index, p.Length));
return(wrapLog(null, renderedTemplate));
}
public override Tuple <string, bool> Process(string renderedTemplate)
{
if (HttpContext.Current == null || HttpContext.Current.CurrentHandler == null || !(HttpContext.Current.CurrentHandler is Page))
{
return(new Tuple <string, bool>(renderedTemplate, false));
}
var page = (HttpContext.Current.CurrentHandler as Page);
var include2SxcJs = false;
#region Handle Client Dependency injection
#region Scripts
var scriptMatches = ScriptDetection.Matches(renderedTemplate);
var scriptMatchesToRemove = new List <Match>();
foreach (Match match in scriptMatches)
{
// always remove 2sxc JS requests from template and ensure it's added the standard way
var url = FixUrlWithSpaces(match.Groups["Src"].Value);
if (Is2SxcApiJs(url))
{
include2SxcJs = true;
scriptMatchesToRemove.Add(match);
continue;
}
var optMatch = OptimizeDetection.Match(match.Value);
if (!optMatch.Success)
{
continue;
}
var providerName = GetProviderName(optMatch, "body");
var prio = GetPriority(optMatch, (int)FileOrder.Js.DefaultPriority);
if (prio <= 0)
{
continue; // don't register/remove if not within specs
}
#region Register, then add to remove-queue
//if (!Is2SxcApiJs(url))
//{
ClientResourceManager.RegisterScript(page, url, prio, providerName);
scriptMatchesToRemove.Add(match);
//}
#endregion
}
// remove in reverse order, so that the indexes don't change
scriptMatchesToRemove.Reverse();
scriptMatchesToRemove.ForEach(p => renderedTemplate = renderedTemplate.Remove(p.Index, p.Length));
#endregion
#region Styles
var styleMatches = StyleDetection.Matches(renderedTemplate);
var styleMatchesToRemove = new List <Match>();
foreach (Match match in styleMatches)
{
var optMatch = OptimizeDetection.Match(match.Value);
if (!optMatch.Success)
{
continue;
}
// skip If the Rel attribute is not stylesheet
if (!StyleRelDetect.IsMatch(match.Value))
{
continue;
}
var providerName = GetProviderName(optMatch, "head");
var prio = GetPriority(optMatch, (int)FileOrder.Css.DefaultPriority);
if (prio <= 0)
{
continue; // don't register/remove if not within specs
}
// Register, then remember to remove later on
var url = FixUrlWithSpaces(match.Groups["Src"].Value);
ClientResourceManager.RegisterStyleSheet(page, url, prio, providerName);
styleMatchesToRemove.Add(match);
}
styleMatchesToRemove.Reverse();
styleMatchesToRemove.ForEach(p => renderedTemplate = renderedTemplate.Remove(p.Index, p.Length));
#endregion
#endregion
return(new Tuple <string, bool>(renderedTemplate, include2SxcJs));
}
public override string Process(string renderedTemplate)
{
if (HttpContext.Current == null || HttpContext.Current.CurrentHandler == null || !(HttpContext.Current.CurrentHandler is Page))
{
return(renderedTemplate);
}
var page = (HttpContext.Current.CurrentHandler as Page);
#region Handle Client Dependency injection
#region Scripts
var scriptMatches = ScriptDetection.Matches(renderedTemplate);
var scriptMatchesToRemove = new List <Match>();
foreach (Match match in scriptMatches)
{
var optMatch = OptimizeDetection.Match(match.Value);
if (!optMatch.Success)
{
continue;
}
var providerName = GetProviderName(optMatch, "body");
var prio = GetPriority(optMatch, (int)FileOrder.Js.DefaultPriority);
if (prio <= 0)
{
continue; // don't register/remove if not within specs
}
// Register, then remember to remove later on
ClientResourceManager.RegisterScript(page, match.Groups["Src"].Value, prio, providerName);
scriptMatchesToRemove.Add(match);
}
scriptMatchesToRemove.Reverse();
scriptMatchesToRemove.ForEach(p => renderedTemplate = renderedTemplate.Remove(p.Index, p.Length));
#endregion
#region Styles
var styleMatches = StyleDetection.Matches(renderedTemplate);
var styleMatchesToRemove = new List <Match>();
foreach (Match match in styleMatches)
{
var optMatch = OptimizeDetection.Match(match.Value);
if (!optMatch.Success)
{
continue;
}
// skip If the Rel attribute is not stylesheet
if (!StyleRelDetect.IsMatch(match.Value))
{
continue;
}
var providerName = GetProviderName(optMatch, "head");
var prio = GetPriority(optMatch, (int)FileOrder.Css.DefaultPriority);
if (prio <= 0)
{
continue; // don't register/remove if not within specs
}
// Register, then remember to remove later on
ClientResourceManager.RegisterStyleSheet(page, match.Groups["Src"].Value, prio, providerName);
styleMatchesToRemove.Add(match);
}
styleMatchesToRemove.Reverse();
styleMatchesToRemove.ForEach(p => renderedTemplate = renderedTemplate.Remove(p.Index, p.Length));
#endregion
#endregion
return(renderedTemplate);
}
