private List<Directive> parseDirectives(final StringBuilder buffer, final ParserCursor cursor) {
List<Directive> elements = new ArrayList<Directive>();
while (!cursor.atEnd()) {
Directive element = parseDirective(buffer, cursor);
if (!(element.getName().length() == 0 && element.getValue() == null)) {
elements.add(element);
}
}
return elements;
}
private List<Parameter> parseParameters(final StringBuilder buffer, final ParserCursor cursor) {
if (buffer == null) {
throw new IllegalArgumentException("Char array buffer may not be null");
}
if (cursor == null) {
throw new IllegalArgumentException("Parser cursor may not be null");
}
int pos = cursor.getPos();
int indexTo = cursor.getUpperBound();
while (pos < indexTo) {
char ch = buffer.charAt(pos);
if (isWhitespace(ch)) {
pos++;
} else {
break;
}
}
cursor.updatePos(pos);
if (cursor.atEnd()) {
return Collections.emptyList();
}
List<Parameter> params = new ArrayList<Parameter>();
while (!cursor.atEnd()) {
params.add(parseParameter(buffer, cursor, ALL_DELIMITERS));
char ch = buffer.charAt(cursor.getPos() - 1);
if (ch == ELEM_DELIMITER) {
break;
}
}
return params;
}
private Directive parseDirective(final StringBuilder buffer, final ParserCursor cursor) {
Parameter parameter = parseParameter(buffer, cursor, ALL_DELIMITERS);
List<Parameter> params = Collections.emptyList();
if (!cursor.atEnd()) {
char ch = buffer.charAt(cursor.getPos() - 1);
if (ch != ELEM_DELIMITER) {
params = parseParameters(buffer, cursor);
}
}
if (parameter instanceof QuotedParameter) {
return createDirective(
parameter.getName(), ((QuotedParameter) parameter).getQuotedValue(), params);
}
return createDirective(parameter.getName(), parameter.getValue(), params);
}