private bool rewrite(GadgetSpec spec, Uri source, MutableContent mc, String mimeType, java.io.Writer writer)
{
// Dont rewrite content if the spec is unavailable
if (spec == null)
{
return(false);
}
// Store the feature in the spec so we dont keep parsing it
ContentRewriterFeature rewriterFeature = new ContentRewriterFeature(spec, includeUrls, excludeUrls, expires, includeTags);
if (!rewriterFeature.isRewriteEnabled())
{
return(false);
}
if (isHTML(mimeType))
{
Dictionary <String, IHtmlTagTransformer> transformerMap = new Dictionary <string, IHtmlTagTransformer>();
if (ProxyUrl != null)
{
ILinkRewriter linkRewriter = CreateLinkRewriter(spec, rewriterFeature);
LinkingTagRewriter rewriter = new LinkingTagRewriter(linkRewriter, source);
HashSet <String> toProcess = new HashSet <string>();
foreach (var item in rewriter.getSupportedTags())
{
toProcess.Add(item);
}
toProcess.IntersectWith(rewriterFeature.getIncludedTags());
foreach (string tag in toProcess)
{
transformerMap[tag] = rewriter;
}
if (rewriterFeature.getIncludedTags().Contains("style"))
{
transformerMap["style"] = new StyleTagRewriter(source, linkRewriter);
}
}
if (ConcatUrl != null &&
rewriterFeature.getIncludedTags().Contains("script"))
{
transformerMap["script"] = new JavascriptTagMerger(spec, rewriterFeature, ConcatUrl, source);
}
HtmlRewriter.rewrite(new StringReader(mc.getContent()), source, transformerMap, writer);
return(true);
}
if (isCSS(mimeType))
{
if (ProxyUrl != null)
{
CssRewriter.rewrite(new StringReader(mc.getContent()), source, CreateLinkRewriter(spec, rewriterFeature), writer, false);
return(true);
}
return(false);
}
return(false);
}
public void accept(Token token, Token lastToken)
{
if (token.type == HtmlTokenType.UNESCAPED)
{
sb.Append(CssRewriter.rewrite(token.toString(), source, linkRewriter));
}
else
{
sb.Append(HtmlRewriter.producePreTokenSeparator(token, lastToken));
sb.Append(token.toString());
sb.Append(HtmlRewriter.producePostTokenSeparator(token, lastToken));
}
}
public void accept(Token token,
Token lastToken)
{
if (token.type == HtmlTokenType.TAGBEGIN)
{
tagAttributeTargets.TryGetValue(token.toString().Substring(1).ToLower(), out currentTagAttrs);
}
if (currentTagAttrs != null &&
lastToken != null &&
lastToken.type == HtmlTokenType.ATTRNAME &&
currentTagAttrs.Contains(lastToken.toString().ToLower()))
{
String link = stripQuotes(token.toString());
builder.Append("=\"");
builder.Append(linkRewriter.rewrite(link, relativeBase));
builder.Append('\"');
return;
}
builder.Append(HtmlRewriter.producePreTokenSeparator(token, lastToken));
builder.Append(token.toString());
builder.Append(HtmlRewriter.producePostTokenSeparator(token, lastToken));
}