private string ExpandImports(string cssContent, string parentUrl)
{
var imports = Regex.CssImportPattern.Matches(cssContent);
var filter = RRContainer.Current.GetAllInstances <IFilter>().FirstOrDefault(x => (x is CssFilter));
foreach (Match match in imports)
{
var url = match.Groups["url"].Value;
if (filter != null && filter.IgnoreTarget(new CssJsFilterContext(null, url, match.ToString())))
{
continue;
}
var absoluteUrl = RelativeToAbsoluteUtility.ToAbsolute(parentUrl, url);
var importContent = WebClientWrapper.DownloadString <CssResource>(absoluteUrl);
importContent = MakeRelativeUrlsAbsoluteAndRemoveComments(importContent, absoluteUrl);
importContent = ExpandImports(importContent, absoluteUrl);
var media = match.Groups["media"];
if (media.Success)
{
importContent = WrapMedia(importContent, media.Value);
}
cssContent = cssContent.Replace(match.ToString(), importContent);
}
return(cssContent);
}
public void WillMakeRelativeUrlAbsolute()
{
var result =
RelativeToAbsoluteUtility.ToAbsolute("http://blogs.msdn.com/themes/blogs/MSDN2/css/MSDNblogs.css",
"../../../MSDN2/Images/MSDN/contentpane.png");
Assert.Equal("http://blogs.msdn.com/themes/msdn2/Images/MSDN/contentpane.png", result, StringComparer.OrdinalIgnoreCase);
}
public void WillUseContentHostIfUrlIsLocal()
{
var config = new Mock <IRRConfiguration>();
config.Setup(x => x.ContentHost).Returns("http://content");
RRContainer.Current.Configure(x => x.For <IRRConfiguration>().Use(config.Object));
var result =
RelativeToAbsoluteUtility.ToAbsolute("http://blogs.msdn.com/themes/blogs/MSDN2/css/MSDNblogs.css",
"http://blogs.msdn.com/MSDN2/Images/MSDN/contentpane.png");
Assert.Equal("http://content/msdn2/Images/MSDN/contentpane.png", result, StringComparer.OrdinalIgnoreCase);
RRContainer.Current = null;
}
public void WillForwardNewUrlToListenerIfNoContentHost_obsolete()
{
Registry.AbsoluteUrlTransformer = (x, y) =>
{
var newUrlHost = new Uri(y).Host;
return(y.Replace(newUrlHost, "funny." + new Uri(x).Host));
};
var result =
RelativeToAbsoluteUtility.ToAbsolute("http://blogs.msdn.com/themes/blogs/MSDN2/css/MSDNblogs.css",
"../../../MSDN2/Images/MSDN/contentpane.png");
Assert.Equal("http://funny.blogs.msdn.com/themes/msdn2/Images/MSDN/contentpane.png", result, StringComparer.OrdinalIgnoreCase);
Registry.AbsoluteUrlTransformer = null;
}
private string MakeRelativeUrlsAbsoluteAndRemoveComments(string originalCss, string parentCssUrl)
{
originalCss = Regex.CssCommentPattern.Replace(originalCss, string.Empty);
var matches = Regex.ImageUrlPattern.Matches(originalCss);
foreach (Match match in matches)
{
var url = match.Groups["url"].Value.Replace("'", "").Replace("\"", "").Trim();
if (url.Length <= 0 || url.StartsWith("data:", StringComparison.OrdinalIgnoreCase))
{
continue;
}
var newUrl = RelativeToAbsoluteUtility.ToAbsolute(parentCssUrl, url);
originalCss = originalCss.Replace(match.Value, match.Value.Replace(url, newUrl));
}
return(originalCss);
}
private string Transform <T>(string preTransform) where T : IResourceType
{
var noCommentTransform = Regex.HtmlCommentPattern.Replace(preTransform, string.Empty);
var resource = RRContainer.Current.GetInstance <T>();
var matches = resource.ResourceRegex.Matches(noCommentTransform);
if (matches.Count > 0)
{
var urls = new StringBuilder();
var transformableMatches = new List <string>();
foreach (var match in matches)
{
var strMatch = match.ToString();
var urlMatch = Regex.UrlPattern.Match(strMatch);
bool matched = false;
if (urlMatch.Success)
{
var url = RelativeToAbsoluteUtility.ToAbsolute(config.BaseAddress == null ? context.Request.Url : new Uri(config.BaseAddress), urlMatch.Groups["url"].Value);
if ((resource.TagValidator == null || resource.TagValidator(strMatch, url)) && (RRContainer.Current.GetAllInstances <IFilter>().Where(x => (x is CssFilter && typeof(T) == typeof(CssResource)) || (x is JavascriptFilter && typeof(T) == typeof(JavaScriptResource))).FirstOrDefault(y => y.IgnoreTarget(new CssJsFilterContext(context.Request, url, strMatch))) == null))
{
matched = true;
urls.Append(url);
urls.Append(GetMedia(strMatch));
urls.Append("::");
transformableMatches.Add(strMatch);
}
}
if (!matched && transformableMatches.Count > 0)
{
preTransform = DoTransform <T>(preTransform, urls, transformableMatches, noCommentTransform);
urls.Length = 0;
transformableMatches.Clear();
}
}
if (transformableMatches.Count > 0)
{
preTransform = DoTransform <T>(preTransform, urls, transformableMatches, noCommentTransform);
urls.Length = 0;
transformableMatches.Clear();
}
}
return(preTransform);
}
public void WillForwardNewUrlToListener_obsolete()
{
var config = new Mock <IRRConfiguration>();
config.Setup(x => x.ContentHost).Returns("http://contenthost");
RRContainer.Current.Configure(x => x.For <IRRConfiguration>().Use(config.Object));
Registry.AbsoluteUrlTransformer = (x, y) =>
{
var newUrlHost = new Uri(y).Host;
return(y.Replace(newUrlHost, newUrlHost + "." + new Uri(x).Host));
};
var result =
RelativeToAbsoluteUtility.ToAbsolute("http://blogs.msdn.com/themes/blogs/MSDN2/css/MSDNblogs.css",
"../../../MSDN2/Images/MSDN/contentpane.png");
Assert.Equal("http://contenthost.blogs.msdn.com/themes/msdn2/Images/MSDN/contentpane.png", result, StringComparer.OrdinalIgnoreCase);
RRContainer.Current = null;
Registry.AbsoluteUrlTransformer = null;
}
private string ExpandImports(string cssContent, string parentUrl)
{
var imports = Regex.CssImportPattern.Matches(cssContent);
foreach (Match match in imports)
{
var url = match.Groups["url"].Value;
var absoluteUrl = RelativeToAbsoluteUtility.ToAbsolute(parentUrl, url);
var importContent = webClientWrapper.DownloadString <CssResource>(absoluteUrl);
importContent = ProcessSprites(importContent, absoluteUrl);
importContent = ExpandImports(importContent, absoluteUrl);
var media = match.Groups["media"];
if (media.Success)
{
importContent = WrapMedia(importContent, media.Value);
}
cssContent = cssContent.Replace(match.ToString(), importContent);
}
return(cssContent);
}
public BackgroundImageClass(string originalClassString, string parentCssUrl)
{
var offsetExplicitelySet = new bool[2];
OriginalClassString = originalClassString;
var match = Regex.ImageUrlPattern.Match(originalClassString);
if (match.Success)
{
OriginalImageUrl = match.Groups["url"].Value.Replace("'", "").Replace("\"", "").Trim();
if (OriginalImageUrl.Length > 0)
{
ImageUrl = RelativeToAbsoluteUtility.ToAbsolute(parentCssUrl, OriginalImageUrl);
OriginalClassString = OriginalClassString.Replace(OriginalImageUrl, ImageUrl);
}
}
var repeatMatch = Regex.RepeatPattern.Matches(originalClassString);
if (repeatMatch.Count > 0)
{
Repeat = (RepeatStyle)Enum.Parse(typeof(RepeatStyle), repeatMatch[repeatMatch.Count - 1].Value.Replace("-", ""), true);
}
var widthMatch = Regex.WidthPattern.Matches(originalClassString);
if (widthMatch.Count > 0)
{
Width = Int32.Parse(widthMatch[widthMatch.Count - 1].Groups["width"].Value);
}
var heightMatch = Regex.HeightPattern.Matches(originalClassString);
if (heightMatch.Count > 0)
{
Height = Int32.Parse(heightMatch[heightMatch.Count - 1].Groups["height"].Value);
}
if (Width != null || Height != null)
{
var paddingMatches = Regex.PaddingPattern.Matches(originalClassString);
if (paddingMatches.Count > 0)
{
var padVals = new int[4];
foreach (var pads in from Match paddingMatch in paddingMatches select GetPadding(paddingMatch))
{
if (pads[0] != null)
{
padVals[0] = (int)pads[0];
}
if (pads[1] != null)
{
padVals[1] = (int)pads[1];
}
if (pads[2] != null)
{
padVals[2] = (int)pads[2];
}
if (pads[3] != null)
{
padVals[3] = (int)pads[3];
}
}
if (Width != null)
{
if (padVals[1] < 0 || padVals[3] < 0)
{
Width = null;
}
else
{
Width += (padVals[1] + padVals[3]);
}
}
if (Height != null)
{
if (padVals[0] < 0 || padVals[2] < 0)
{
Height = null;
}
else
{
Height += (padVals[0] + padVals[2]);
}
}
}
}
var offsetMatches = Regex.OffsetPattern.Matches(originalClassString);
if (offsetMatches.Count > 0)
{
foreach (Match offsetMatch in offsetMatches)
{
SetOffsets(offsetMatch, offsetExplicitelySet);
}
}
if (XOffset.PositionMode == PositionMode.Direction && !offsetExplicitelySet[1])
{
YOffset = new Position()
{
PositionMode = PositionMode.Direction
}
}
;
if (YOffset.PositionMode == PositionMode.Direction && !offsetExplicitelySet[0])
{
XOffset = new Position()
{
PositionMode = PositionMode.Direction
}
}
;
}
