public LinkingTagRewriter(ILinkRewriter linkRewriter, Uri relativeBase)
{
this.linkRewriter = linkRewriter;
this.relativeBase = relativeBase;
this.tagAttributeTargets = getDefaultTargets();
builder = new StringBuilder();
}
public LinkingTagRewriter(ILinkRewriter linkRewriter, Uri relativeBase)
{
this.linkRewriter = linkRewriter;
this.relativeBase = relativeBase;
this.tagAttributeTargets = getDefaultTargets();
builder = new StringBuilder();
}
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 LinkingTagRewriter(Dictionary<String, HashSet<String>> tagAttributeTargets,
ILinkRewriter linkRewriter, Uri relativeBase)
{
this.tagAttributeTargets = tagAttributeTargets;
this.linkRewriter = linkRewriter;
this.relativeBase = relativeBase;
builder = new StringBuilder();
}
public LinkingTagRewriter(Dictionary <String, HashSet <String> > tagAttributeTargets,
ILinkRewriter linkRewriter, Uri relativeBase)
{
this.tagAttributeTargets = tagAttributeTargets;
this.linkRewriter = linkRewriter;
this.relativeBase = relativeBase;
builder = new StringBuilder();
}
private static String rewriteLink(Token token, Uri _base, ILinkRewriter rewriter)
{
Match matcher = urlMatcher.Match(token.toString());
if (!matcher.Success)
{
return(token.toString());
}
return("url(\"" + rewriter.rewrite(matcher.Groups[2].Value.Trim(), _base) + "\")");
}
public StyleTagRewriter(Uri source, ILinkRewriter linkRewriter)
{
this.source = source;
this.linkRewriter = linkRewriter;
sb = new StringBuilder(500);
}
public static List<String> rewrite(java.io.Reader content, Uri source,
ILinkRewriter rewriter, java.io.Writer writer, bool extractImports)
{
List<String> imports = new List<string>();
CharProducer producer = CharProducer.Factory.create(content,
new InputSource(new java.net.URI(source.ToString())));
CssLexer lexer = new CssLexer(producer);
try
{
bool inImport = false;
while (lexer.hasNext())
{
Token token = lexer.next();
if (extractImports)
{
if (token.type == CssTokenType.SYMBOL && token.text.ToLower().Equals("@import"))
{
inImport = true;
continue;
}
if (inImport)
{
if (token.type == CssTokenType.URI)
{
Match matcher = urlMatcher.Match(token.text);
if (matcher.Success)
{
imports.Add(matcher.Groups[2].Value.Trim());
}
}
else if (token.type != CssTokenType.SPACE && token.type != CssTokenType.PUNCTUATION)
{
inImport = false;
}
}
if (!inImport)
{
writer.write(token.text);
}
}
else
{
if (token.type == CssTokenType.URI)
{
writer.write(rewriteLink(token, source, rewriter));
continue;
}
writer.write(token.text);
}
}
writer.flush();
}
catch (ParseException pe)
{
pe.printStackTrace();
}
catch (Exception ioe)
{
throw ioe;
}
return imports;
}
public static String rewrite(String content, Uri source, ILinkRewriter linkRewriter)
{
java.io.StringWriter sw = new java.io.StringWriter((content.Length * 110) / 100);
rewrite(new java.io.StringReader(content), source, linkRewriter, sw, false);
return sw.ToString();
}
private static String rewriteLink(Token token, Uri _base, ILinkRewriter rewriter)
{
Match matcher = urlMatcher.Match(token.toString());
if (!matcher.Success)
return token.toString();
return "url(\"" + rewriter.rewrite(matcher.Groups[2].Value.Trim(), _base) + "\")";
}
public StyleTagRewriter(Uri source, ILinkRewriter linkRewriter)
{
this.source = source;
this.linkRewriter = linkRewriter;
sb = new StringBuilder(500);
}
public static List <String> rewrite(java.io.Reader content, Uri source,
ILinkRewriter rewriter, java.io.Writer writer, bool extractImports)
{
List <String> imports = new List <string>();
CharProducer producer = CharProducer.Factory.create(content,
new InputSource(new java.net.URI(source.ToString())));
CssLexer lexer = new CssLexer(producer);
try
{
bool inImport = false;
while (lexer.hasNext())
{
Token token = lexer.next();
if (extractImports)
{
if (token.type == CssTokenType.SYMBOL && token.text.ToLower().Equals("@import"))
{
inImport = true;
continue;
}
if (inImport)
{
if (token.type == CssTokenType.URI)
{
Match matcher = urlMatcher.Match(token.text);
if (matcher.Success)
{
imports.Add(matcher.Groups[2].Value.Trim());
}
}
else if (token.type != CssTokenType.SPACE && token.type != CssTokenType.PUNCTUATION)
{
inImport = false;
}
}
if (!inImport)
{
writer.write(token.text);
}
}
else
{
if (token.type == CssTokenType.URI)
{
writer.write(rewriteLink(token, source, rewriter));
continue;
}
writer.write(token.text);
}
}
writer.flush();
}
catch (ParseException pe)
{
pe.printStackTrace();
}
catch (Exception ioe)
{
throw ioe;
}
return(imports);
}
public static String rewrite(String content, Uri source, ILinkRewriter linkRewriter)
{
java.io.StringWriter sw = new java.io.StringWriter((content.Length * 110) / 100);
rewrite(new java.io.StringReader(content), source, linkRewriter, sw, false);
return(sw.ToString());
}
