Examples with CSS3Parser com.gargoylesoftware.css.parser.javacc.CSS3Parser used on opensource projects

Example 1 with CSS3Parser

use of com.gargoylesoftware.css.parser.javacc.CSS3Parser in project htmlunit by HtmlUnit.

the class DomNode method getSelectorList.

/**
 * Returns the {@link SelectorList}.
 * @param selectors the selectors
 * @param browserVersion the {@link BrowserVersion}
 * @return the {@link SelectorList}
 * @throws IOException if an error occurs
 */
protected SelectorList getSelectorList(final String selectors, final BrowserVersion browserVersion) throws IOException {
    final CSSOMParser parser = new CSSOMParser(new CSS3Parser());
    final CheckErrorHandler errorHandler = new CheckErrorHandler();
    parser.setErrorHandler(errorHandler);
    final SelectorList selectorList = parser.parseSelectors(selectors);
    // in case of error parseSelectors returns null
    if (errorHandler.errorDetected()) {
        throw new CSSException("Invalid selectors: " + selectors);
    }
    if (selectorList != null) {
        int documentMode = 9;
        if (browserVersion.hasFeature(QUERYSELECTORALL_NOT_IN_QUIRKS)) {
            final Object sobj = getPage().getScriptableObject();
            if (sobj instanceof HTMLDocument) {
                documentMode = ((HTMLDocument) sobj).getDocumentMode();
            }
        }
        CSSStyleSheet.validateSelectors(selectorList, documentMode, this);
    }
    return selectorList;
}

Example 2 with CSS3Parser

use of com.gargoylesoftware.css.parser.javacc.CSS3Parser in project htmlunit by HtmlUnit.

the class CSSStyleSheet method selectsPseudoClass.

private static boolean selectsPseudoClass(final BrowserVersion browserVersion, final Condition condition, final DomElement element, final boolean fromQuerySelectorAll) {
    if (browserVersion.hasFeature(QUERYSELECTORALL_NOT_IN_QUIRKS)) {
        final Object sobj = element.getPage().getScriptableObject();
        if (sobj instanceof HTMLDocument && ((HTMLDocument) sobj).getDocumentMode() < 8) {
            return false;
        }
    }
    final String value = condition.getValue();
    switch(value) {
        case "root":
            return element == element.getPage().getDocumentElement();
        case "enabled":
            return element instanceof DisabledElement && !((DisabledElement) element).isDisabled();
        case "disabled":
            return element instanceof DisabledElement && ((DisabledElement) element).isDisabled();
        case "focus":
            final HtmlPage htmlPage = element.getHtmlPageOrNull();
            if (htmlPage != null) {
                final DomElement focus = htmlPage.getFocusedElement();
                return element == focus;
            }
            return false;
        case "checked":
            return (element instanceof HtmlCheckBoxInput && ((HtmlCheckBoxInput) element).isChecked()) || (element instanceof HtmlRadioButtonInput && ((HtmlRadioButtonInput) element).isChecked() || (element instanceof HtmlOption && ((HtmlOption) element).isSelected()));
        case "required":
            return element instanceof HtmlElement && ((HtmlElement) element).isRequired();
        case "optional":
            return element instanceof HtmlElement && ((HtmlElement) element).isOptional();
        case "first-child":
            for (DomNode n = element.getPreviousSibling(); n != null; n = n.getPreviousSibling()) {
                if (n instanceof DomElement) {
                    return false;
                }
            }
            return true;
        case "last-child":
            for (DomNode n = element.getNextSibling(); n != null; n = n.getNextSibling()) {
                if (n instanceof DomElement) {
                    return false;
                }
            }
            return true;
        case "first-of-type":
            final String firstType = element.getNodeName();
            for (DomNode n = element.getPreviousSibling(); n != null; n = n.getPreviousSibling()) {
                if (n instanceof DomElement && n.getNodeName().equals(firstType)) {
                    return false;
                }
            }
            return true;
        case "last-of-type":
            final String lastType = element.getNodeName();
            for (DomNode n = element.getNextSibling(); n != null; n = n.getNextSibling()) {
                if (n instanceof DomElement && n.getNodeName().equals(lastType)) {
                    return false;
                }
            }
            return true;
        case "only-child":
            for (DomNode n = element.getPreviousSibling(); n != null; n = n.getPreviousSibling()) {
                if (n instanceof DomElement) {
                    return false;
                }
            }
            for (DomNode n = element.getNextSibling(); n != null; n = n.getNextSibling()) {
                if (n instanceof DomElement) {
                    return false;
                }
            }
            return true;
        case "only-of-type":
            final String type = element.getNodeName();
            for (DomNode n = element.getPreviousSibling(); n != null; n = n.getPreviousSibling()) {
                if (n instanceof DomElement && n.getNodeName().equals(type)) {
                    return false;
                }
            }
            for (DomNode n = element.getNextSibling(); n != null; n = n.getNextSibling()) {
                if (n instanceof DomElement && n.getNodeName().equals(type)) {
                    return false;
                }
            }
            return true;
        case "valid":
            return element instanceof HtmlElement && ((HtmlElement) element).isValid();
        case "invalid":
            return element instanceof HtmlElement && !((HtmlElement) element).isValid();
        case "empty":
            return isEmpty(element);
        case "target":
            final String ref = element.getPage().getUrl().getRef();
            return StringUtils.isNotBlank(ref) && ref.equals(element.getId());
        case "hover":
            return element.isMouseOver();
        case "placeholder-shown":
            if (browserVersion.hasFeature(CSS_PSEUDO_SELECTOR_PLACEHOLDER_SHOWN)) {
                return element instanceof HtmlInput && StringUtils.isEmpty(((HtmlInput) element).getValueAttribute()) && StringUtils.isNotEmpty(((HtmlInput) element).getPlaceholder());
            }
        case "-ms-input-placeholder":
            if (browserVersion.hasFeature(CSS_PSEUDO_SELECTOR_MS_PLACEHHOLDER)) {
                return element instanceof HtmlInput && StringUtils.isEmpty(((HtmlInput) element).getValueAttribute()) && StringUtils.isNotEmpty(((HtmlInput) element).getPlaceholder());
            }
        default:
            if (value.startsWith("nth-child(")) {
                final String nth = value.substring(value.indexOf('(') + 1, value.length() - 1);
                int index = 0;
                for (DomNode n = element; n != null; n = n.getPreviousSibling()) {
                    if (n instanceof DomElement) {
                        index++;
                    }
                }
                return getNth(nth, index);
            } else if (value.startsWith("nth-last-child(")) {
                final String nth = value.substring(value.indexOf('(') + 1, value.length() - 1);
                int index = 0;
                for (DomNode n = element; n != null; n = n.getNextSibling()) {
                    if (n instanceof DomElement) {
                        index++;
                    }
                }
                return getNth(nth, index);
            } else if (value.startsWith("nth-of-type(")) {
                final String nthType = element.getNodeName();
                final String nth = value.substring(value.indexOf('(') + 1, value.length() - 1);
                int index = 0;
                for (DomNode n = element; n != null; n = n.getPreviousSibling()) {
                    if (n instanceof DomElement && n.getNodeName().equals(nthType)) {
                        index++;
                    }
                }
                return getNth(nth, index);
            } else if (value.startsWith("nth-last-of-type(")) {
                final String nthLastType = element.getNodeName();
                final String nth = value.substring(value.indexOf('(') + 1, value.length() - 1);
                int index = 0;
                for (DomNode n = element; n != null; n = n.getNextSibling()) {
                    if (n instanceof DomElement && n.getNodeName().equals(nthLastType)) {
                        index++;
                    }
                }
                return getNth(nth, index);
            } else if (value.startsWith("not(")) {
                final String selectors = value.substring(value.indexOf('(') + 1, value.length() - 1);
                final AtomicBoolean errorOccured = new AtomicBoolean(false);
                final CSSErrorHandler errorHandler = new CSSErrorHandler() {

                    @Override
                    public void warning(final CSSParseException exception) throws CSSException {
                    // ignore
                    }

                    @Override
                    public void fatalError(final CSSParseException exception) throws CSSException {
                        errorOccured.set(true);
                    }

                    @Override
                    public void error(final CSSParseException exception) throws CSSException {
                        errorOccured.set(true);
                    }
                };
                final CSSOMParser parser = new CSSOMParser(new CSS3Parser());
                parser.setErrorHandler(errorHandler);
                try {
                    final SelectorList selectorList = parser.parseSelectors(selectors);
                    if (errorOccured.get() || selectorList == null || selectorList.size() != 1) {
                        throw new CSSException("Invalid selectors: " + selectors);
                    }
                    validateSelectors(selectorList, 9, element);
                    return !selects(browserVersion, selectorList.get(0), element, null, fromQuerySelectorAll);
                } catch (final IOException e) {
                    throw new CSSException("Error parsing CSS selectors from '" + selectors + "': " + e.getMessage());
                }
            }
            return false;
    }
}

Example 3 with CSS3Parser

use of com.gargoylesoftware.css.parser.javacc.CSS3Parser in project LoboEvolution by LoboEvolution.

the class HTMLElementImpl method getStyle.

/**
 * Gets the local style object associated with the element. The properties
 * object returned only includes properties from the local style attribute. It
 * may return null only if the type of element does not handle stylesheets.
 *
 * @return a {@link org.loboevolution.html.style.AbstractCSSProperties} object.
 */
public AbstractCSSProperties getStyle() {
    AbstractCSSProperties sds;
    synchronized (this) {
        sds = this.localStyleDeclarationState;
        if (sds != null) {
            return sds;
        }
        sds = new AbstractCSSProperties(this);
        // Add any declarations in style attribute (last takes precedence).
        final String style = getAttribute("style");
        if (Strings.isNotBlank(style)) {
            final CSSOMParser parser = new CSSOMParser(new CSS3Parser());
            try {
                final CSSStyleDeclarationImpl sd = parser.parseStyleDeclaration(style);
                sds.addStyleDeclaration(sd);
            } catch (final Exception err) {
                final String id = getId();
                final String withId = id == null ? "" : " with ID '" + id + "'";
                this.warn("Unable to parse style attribute value for element " + getTagName() + withId + " in " + getDocumentURL() + ".", err);
            }
        }
        this.localStyleDeclarationState = sds;
    }
    // Synchronization note: Make sure getStyle() does not return multiple values.
    return sds;
}

Example 4 with CSS3Parser

use of com.gargoylesoftware.css.parser.javacc.CSS3Parser in project LoboEvolution by LoboEvolution.

the class AbstractCSSProperties method setCssText.

/**
 * <p>setCssText.</p>
 *
 * @param cssText a {@link java.lang.String} object.
 */
public void setCssText(final String cssText) throws DOMException {
    this.cssText = cssText;
    AbstractCSSProperties sds = new AbstractCSSProperties(null);
    if (Strings.isNotBlank(cssText)) {
        final CSSOMParser parser = new CSSOMParser(new CSS3Parser());
        try {
            final CSSStyleDeclarationImpl sd = parser.parseStyleDeclaration(cssText);
            sds.addStyleDeclaration(sd);
            setLocalStyleProperties(sds);
            context.setAttribute("style", cssText);
        } catch (final Exception err) {
            logger.log(Level.WARNING, "Unable to parse style attribute value", err);
        }
    }
}

Example 5 with CSS3Parser

use of com.gargoylesoftware.css.parser.javacc.CSS3Parser in project LoboEvolution by LoboEvolution.

the class CSSUtilities method getSelectorList.

/**
 * <p>getSelectorList.</p>
 *
 * @param selectors a {@link java.lang.String} object.
 * @return a {@link com.gargoylesoftware.css.parser.selector.SelectorList} object.
 */
public static SelectorList getSelectorList(final String selectors) {
    final CSSOMParser parser = new CSSOMParser(new CSS3Parser());
    SelectorList selectorList = null;
    try {
        selectorList = parser.parseSelectors(selectors);
    } catch (IOException e) {
        logger.log(Level.SEVERE, e.getMessage(), e);
    }
    return selectorList;
}