private void processStyleSheet(VirtualFile cssFile) {
implicitIncludes.add(cssFile);
try {
FontManager fontManager = configuration.getFontsConfiguration().getTopLevelManager();
StyleSheet styleSheet = new StyleSheet();
styleSheet.checkDeprecation(configuration.showDeprecationWarnings());
styleSheet.parse(
cssFile.getName(), cssFile.getInputStream(), ThreadLocalToolkit.getLogger(), fontManager);
extractStyles(styleSheet, false);
} catch (Exception exception) {
CompilerMessage m = new ParseError(exception.getLocalizedMessage());
m.setPath(cssFile.getName());
ThreadLocalToolkit.log(m);
}
}
public void extractStyles(StyleSheet styleSheet, boolean local) throws Exception {
RuleList sheetRules = styleSheet.getCssRules();
if (sheetRules != null) {
// aggregate rules by selector
Iterator ruleIterator = sheetRules.iterator();
while (ruleIterator.hasNext()) {
Rule rule = (Rule) ruleIterator.next();
if (rule instanceof StyleRule) {
// for each selector in this rule
SelectorList selectors = ((StyleRule) rule).getSelectorList();
int nSelectors = selectors.getLength();
for (int i = 0; i < nSelectors; i++) {
Selector selector = selectors.item(i);
int lineNumber = rule.getStyle().getLineNumber();
if (selector instanceof AbstractSelector) {
lineNumber = ((AbstractSelector) selector).getLineNumber();
}
if (selector.getSelectorType() == Selector.SAC_CONDITIONAL_SELECTOR) {
Condition condition = ((ConditionalSelector) selector).getCondition();
if (condition.getConditionType() == Condition.SAC_CLASS_CONDITION) {
String name = ((AttributeCondition) condition).getValue();
assert name != null : "parsed CSS class selector name is null";
addStyleClassSelector(name, rule, lineNumber);
} else {
ConditionTypeNotSupported conditionTypeNotSupported =
new ConditionTypeNotSupported(
compilationUnit.getSource().getName(), lineNumber, condition.toString());
ThreadLocalToolkit.log(conditionTypeNotSupported);
}
} else if (selector.getSelectorType() == Selector.SAC_ELEMENT_NODE_SELECTOR) {
// pick up type selectors only from root (application)
if (compilationUnit.isRoot()) {
String name = ((ElementSelector) selector).getLocalName();
// Batik seems to generate an empty element
// selector when @charset, so filter those out.
if (name != null) {
addStyleTypeSelector(name, rule, local, lineNumber);
}
} else {
// [preilly] This restriction should be removed once the
// app model supports encapsulation of CSS styles.
ComponentTypeSelectorsNotSupported componentTypeSelectorsNotSupported =
new ComponentTypeSelectorsNotSupported(
compilationUnit.getSource().getName(), lineNumber, selector.toString());
ThreadLocalToolkit.log(componentTypeSelectorsNotSupported);
}
} else {
SelectorTypeNotSupported selectorTypeNotSupported =
new SelectorTypeNotSupported(
compilationUnit.getSource().getName(), lineNumber, selector.toString());
ThreadLocalToolkit.log(selectorTypeNotSupported);
}
}
} else if (rule instanceof FontFaceRule) {
addFontFaceRule((FontFaceRule) rule);
}
}
}
}