/**
* Append property value components to declaration.value, return false if fail with iter.last at
* the the token which caused the fail.
*/
private boolean handlePropertyValue(
CssDeclaration declaration, CssToken start, CssTokenIterator iter, boolean isStyleAttribute) {
// we dont worry about EOF here, throw to caller
while (true) {
if (start.type == CssToken.Type.IMPORTANT) {
declaration.important = true;
} else {
CssConstruct cc =
CssConstructFactory.create(
start, iter, MATCH_SEMI_CLOSEBRACE, ContextRestrictions.PROPERTY_VALUE);
if (cc == null) {
return false;
} else {
declaration.components.add(cc);
}
}
// if isStyleAttribute, then parse as declaration-list grammar,
// i.e. no braces
if ((isStyleAttribute && !iter.hasNext())
|| (MATCH_SEMI.apply(iter.peek()))
|| (!isStyleAttribute && MATCH_CLOSEBRACE.apply(iter.peek()))) {
return declaration.components.size() > 0;
} else {
start = iter.next();
}
}
}
/**
* With start token being the first non-ignorable token inside the declaration block, iterate
* issuing CssDeclaration objects until the block ends.
*/
private void handleDeclarationBlock(
CssToken start, CssTokenIterator iter, final CssContentHandler doc, CssErrorHandler err)
throws CssException {
while (true) {
if (MATCH_CLOSEBRACE.apply(start)) {
return;
}
CssDeclaration decl = handleDeclaration(start, iter, doc, err, false);
try {
if (decl != null) {
doc.declaration(decl);
if (debug) {
checkState(MATCH_SEMI_CLOSEBRACE.apply(iter.last));
}
// continue or return: we may be at "; next decl" or "}" or ";}"
if (MATCH_CLOSEBRACE.apply(iter.last)) {
return;
} else if (MATCH_SEMI.apply(iter.last) && MATCH_CLOSEBRACE.apply(iter.peek())) {
iter.next();
return;
} else {
if (debug) {
checkState(MATCH_SEMI.apply(iter.last));
}
// we have ';', expect another decl
start = iter.next(); // first token after ';'
}
} else {
// #handleDeclaration returned null to signal error
// #handleDeclaration has issued errors, we forward
start = iter.next(MATCH_SEMI_CLOSEBRACE);
if (MATCH_SEMI.apply(start)) {
start = iter.next();
}
}
} catch (NoSuchElementException nse) {
err.error(
new CssGrammarException(
GRAMMAR_PREMATURE_EOF, iter.last.location, "';' " + Messages.get("or") + " '}'"));
throw new PrematureEOFException();
}
}
}