/**
* Transform a particular attribute on a TagNode, iff that attribute exists
*
* @param context The ReplayParseContext being transformed
* @param node the TagNode to update
* @param attr the attribute name to transform
* @param transformer the StringTransformer responsible for creating the new value
* @return true if the attribute was found and updated
*/
private boolean transformAttr(
ReplayParseContext context, TagNode node, String attr, StringTransformer transformer) {
String orig = node.getAttribute(attr);
if (orig != null) {
node.setAttribute(attr, transformer.transform(context, orig));
return true;
}
return false;
}
/**
* @param context
* @param textNode
* @throws IOException
*/
private void handleJSTextNode(ReplayParseContext context, TextNode textNode) throws IOException {
boolean alreadyInsertedHead = (context.getData(FERRET_HEAD_INSERTED) != null);
context.incJSBlockCount();
if (alreadyInsertedHead) {
textNode.setText(jsBlockTrans.transform(context, textNode.getText()));
}
emit(context, null, textNode, null);
}
private void handleJSIncludeNode(ReplayParseContext context, TagNode tagNode) throws IOException {
String file = tagNode.getAttribute("SRC");
if (file != null) {
// TODO: This is hacky.. fix it
// This is used to check if the file should be skipped...
// from a custom rule..
String result = jsBlockTrans.transform(context, file);
// The rewriting is done by the js_ rewriter
if ((result != null) && !result.isEmpty()) {
tagNode.setAttribute("SRC", jsUrlTrans.transform(context, file));
} else {
file = "";
tagNode.setAttribute("SRC", jsUrlTrans.transform(context, file));
}
}
emit(context, null, tagNode, null);
}
// TODO: This should all be refactored up into an abstract base class with
// default no-op methods, allowing a subclass to only override the ones they
// want...
public void handleNode(ParseContext pContext, Node node) throws IOException {
ReplayParseContext context = (ReplayParseContext) pContext;
if (NodeUtils.isRemarkNode(node)) {
RemarkNode remarkNode = (RemarkNode) node;
remarkNode.setText(jsBlockTrans.transform(context, remarkNode.getText()));
emit(context, null, node, null);
} else if (NodeUtils.isTextNode(node)) {
TextNode textNode = (TextNode) node;
if (context.isInCSS()) {
handleCSSTextNode(context, textNode);
} else if (context.isInScriptText()) {
handleJSTextNode(context, textNode);
} else {
emit(context, null, textNode, null);
// handleContentTextNode(context,textNode);
}
} else if (NodeUtils.isTagNode(node)) {
TagNode tagNode = (TagNode) node;
if (NodeUtils.isOpenTagNodeNamed(tagNode, NodeUtils.SCRIPT_TAG_NAME)) {
handleJSIncludeNode(context, tagNode);
} else if (tagNode.isEndTag()) {
if (tagNode.getTagName().equals("HEAD")) {
context.putData(FERRET_IN_HEAD, null);
}
if (checkAllowTag(pContext, tagNode)) {
emit(context, null, tagNode, null);
}
// handleCloseTagNode(context,tagNode);
} else {
// assume start, possibly empty:
handleOpenTagNode(context, tagNode);
}
} else {
throw new IllegalArgumentException("Unknown node type..");
}
}