/** @return a new {@code Rule} instance. */
public Rule build() {
if (this.valueList.remove(STRING_NEGATION)) {
AttributeMatcher attributeMatcher = new NegativeMatcher(this.keyList, this.valueList);
return new NegativeRule(this, attributeMatcher);
}
AttributeMatcher keyMatcher = getKeyMatcher(this.keyList);
AttributeMatcher valueMatcher = getValueMatcher(this.valueList);
keyMatcher = RuleOptimizer.optimize(keyMatcher, this.ruleStack);
valueMatcher = RuleOptimizer.optimize(valueMatcher, this.ruleStack);
return new PositiveRule(this, keyMatcher, valueMatcher);
}
private void extractValues(String elementName, XmlPullParser pullParser)
throws XmlPullParserException {
for (int i = 0; i < pullParser.getAttributeCount(); ++i) {
String name = pullParser.getAttributeName(i);
String value = pullParser.getAttributeValue(i);
if (E.equals(name)) {
this.element = Element.fromString(value);
} else if (K.equals(name)) {
this.keys = value;
} else if (V.equals(name)) {
this.values = value;
} else if (CAT.equals(name)) {
this.cat = value;
} else if (CLOSED.equals(name)) {
this.closed = Closed.fromString(value);
} else if (ZOOM_MIN.equals(name)) {
this.zoomMin = XmlUtils.parseNonNegativeByte(name, value);
} else if (ZOOM_MAX.equals(name)) {
this.zoomMax = XmlUtils.parseNonNegativeByte(name, value);
} else {
throw XmlUtils.createXmlPullParserException(elementName, name, value, i);
}
}
validate(elementName);
this.keyList = new ArrayList<String>(Arrays.asList(SPLIT_PATTERN.split(this.keys)));
this.valueList = new ArrayList<String>(Arrays.asList(SPLIT_PATTERN.split(this.values)));
this.elementMatcher = getElementMatcher(this.element);
this.closedMatcher = getClosedMatcher(this.closed);
this.elementMatcher = RuleOptimizer.optimize(this.elementMatcher, this.ruleStack);
this.closedMatcher = RuleOptimizer.optimize(this.closedMatcher, this.ruleStack);
}
