@SuppressWarnings({"unchecked", "rawtypes"})
private void startTag() {
if (!finalPass) return;
tagIndex++;
String text;
StringBuilder buf = new StringBuilder(scan.getToken());
String ns = scan.getNamespace();
boolean emptyTag = false;
state = scan.nextToken();
while (state != HTML && state != GEND_TAG && state != GEND_EMPTY_TAG && state != EOF) {
if (state == GTAG_EXPR) {
buf.append("${");
buf.append(scan.getToken().trim());
buf.append("}");
} else {
buf.append(scan.getToken());
}
state = scan.nextToken();
}
if (state == GEND_EMPTY_TAG) {
emptyTag = true;
}
doNextScan = false;
text = buf.toString();
String tagName;
Map attrs = new LinkedHashMap();
Matcher m = Pattern.compile("\\s").matcher(text);
if (m.find()) { // ignores carriage returns and new lines
tagName = text.substring(0, m.start());
if (state != EOF) {
String attrTokens = text.substring(m.start(), text.length());
populateMapWithAttributes(attrs, attrTokens);
}
} else {
tagName = text;
}
if (state == EOF) {
throw new GrailsTagException(
"Unexpected end of file encountered parsing Tag ["
+ tagName
+ "] for "
+ className
+ ". Are you missing a closing brace '}'?",
pageName,
getCurrentOutputLineNumber());
}
flushTagBuffering();
TagMeta tm = new TagMeta();
tm.name = tagName;
tm.namespace = ns;
tm.hasAttributes = !attrs.isEmpty();
tm.lineNumber = getCurrentOutputLineNumber();
tm.emptyTag = emptyTag;
tm.tagIndex = tagIndex;
tagMetaStack.push(tm);
if (GroovyPage.DEFAULT_NAMESPACE.equals(ns) && tagRegistry.isSyntaxTag(tagName)) {
if (tagContext == null) {
tagContext = new HashMap<Object, Object>();
tagContext.put(GroovyPage.OUT, out);
tagContext.put(GroovyPageParser.class, this);
}
GroovySyntaxTag tag = (GroovySyntaxTag) tagRegistry.newTag(tagName);
tag.init(tagContext);
tag.setAttributes(attrs);
if (tag.isKeepPrecedingWhiteSpace() && currentlyBufferingWhitespace) {
flushBufferedWhiteSpace();
} else if (!tag.isAllowPrecedingContent() && previousContentWasNonWhitespace) {
throw new GrailsTagException(
"Tag ["
+ tag.getName()
+ "] cannot have non-whitespace characters directly preceding it.",
pageName,
getCurrentOutputLineNumber());
} else {
// If tag does not specify buffering of WS, we swallow it here
clearBufferedWhiteSpace();
}
tag.doStartTag();
tm.instance = tag;
} else {
// Custom taglibs have to always flush the whitespace, there's no
// "allowPrecedingWhitespace" property on tags yet
flushBufferedWhiteSpace();
if (attrs.size() > 0) {
FastStringWriter buffer = new FastStringWriter();
buffer.print("[");
for (Iterator<?> i = attrs.keySet().iterator(); i.hasNext(); ) {
String name = (String) i.next();
String cleanedName = name;
if (name.startsWith("\"") && name.endsWith("\"")) {
cleanedName = "'" + name.substring(1, name.length() - 1) + "'";
}
buffer.print(cleanedName);
buffer.print(':');
buffer.print(getExpressionText(attrs.get(name).toString()));
if (i.hasNext()) {
buffer.print(',');
} else {
buffer.print("]");
}
}
attrsVarsMapDefinition.put(tagIndex, buffer.toString());
buffer.close();
}
if (!emptyTag) {
tm.bufferMode = true;
}
}
}