示例#1
0
        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));
        }
示例#3
0
        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);
        }