How to use

CssSelectorMatcherService

in

io.github.seleniumquery.by.firstgen.css

public static WebElement closest(WebDriver driver, WebElement element, String selector) {
  WebElement ancestorOrSelf = element; // begins by evaluating the element itself
  while (ancestorOrSelf != null) {
    if (CssSelectorMatcherService.elementMatchesStringSelector(driver, ancestorOrSelf, selector)) {
      return ancestorOrSelf;
    }
    ancestorOrSelf = SelectorUtils.parent(ancestorOrSelf);
  }
  // if ancestorOrSelf is null, it reached document root,
  // so no ancestor matching the selector was found
  return null;
}

public static boolean elementMatchesStringSelector(WebDriver driver, WebElement element, String selector) {
  W3cCssSelectorListWithMap cssParsedSelectors = W3cCssSelectorWithMapParser.parseSelector(selector);
  for (W3cCssSelectorWithMap w3cCssSelectorWithMap : cssParsedSelectors) {
    if (elementMatchesSelector(driver, element, w3cCssSelectorWithMap)) {
      return true;
    }
  }
  return false;
}

public static WebElement closest(WebDriver driver, WebElement element, String selector) {
  WebElement ancestorOrSelf = element; // begins by evaluating the element itself
  while (ancestorOrSelf != null) {
    if (CssSelectorMatcherService.elementMatchesStringSelector(driver, ancestorOrSelf, selector)) {
      return ancestorOrSelf;
    }
    ancestorOrSelf = SelectorUtils.parent(ancestorOrSelf);
  }
  // if ancestorOrSelf is null, it reached document root,
  // so no ancestor matching the selector was found
  return null;
}

public static boolean elementMatchesStringSelector(WebDriver driver, WebElement element, String selector) {
  W3cCssSelectorListWithMap cssParsedSelectors = W3cCssSelectorWithMapParser.parseSelector(selector);
  for (W3cCssSelectorWithMap w3cCssSelectorWithMap : cssParsedSelectors) {
    if (elementMatchesSelector(driver, element, w3cCssSelectorWithMap)) {
      return true;
    }
  }
  return false;
}

@Override
public boolean isPseudoClass(WebDriver driver, WebElement element, PseudoClassSelector pseudoClassSelector) {
  String notSelector = pseudoClassSelector.getPseudoClassContent();
  return !CssSelectorMatcherService.elementMatchesStringSelector(driver, element, notSelector);
}

private boolean elementMatchesDescendantSelector(WebDriver driver, WebElement element, DescendantSelector descendantSelector, ArgumentMap argumentMap) {
  return CssSelectorMatcherService.elementMatchesSelector(driver, element, argumentMap, descendantSelector.getSimpleSelector());
}

@Override
public boolean isPseudoClass(WebDriver driver, WebElement element, PseudoClassSelector pseudoClassSelector) {
  String notSelector = pseudoClassSelector.getPseudoClassContent();
  return !CssSelectorMatcherService.elementMatchesStringSelector(driver, element, notSelector);
}

private boolean elementMatchesDescendantSelector(WebDriver driver, WebElement element, DescendantSelector descendantSelector, ArgumentMap argumentMap) {
  return CssSelectorMatcherService.elementMatchesSelector(driver, element, argumentMap, descendantSelector.getSimpleSelector());
}

public static SeleniumQueryObject children(SeleniumQueryObject caller, String selector) {
  List<WebElement> elements = caller.get();
  WebDriver webDriver = caller.getWebDriver();
  List<WebElement> children = getChildren(elements);
  for (Iterator<WebElement> iterator = children.iterator(); iterator.hasNext();) {
    WebElement child = iterator.next();
    if (!CssSelectorMatcherService.elementMatchesStringSelector(webDriver, child, selector)) {
      iterator.remove();
    }
  }
  return SqObjectFactory.instance().createWithInvalidSelector(webDriver, children, caller);
}

private boolean parentMatchesAncestorSelector(WebDriver driver, WebElement parent, DescendantSelector descendantSelector, ArgumentMap argumentMap) {
  return CssSelectorMatcherService.elementMatchesSelector(driver, parent, argumentMap, descendantSelector.getAncestorSelector());
}

public static SeleniumQueryObject children(SeleniumQueryObject caller, String selector) {
  List<WebElement> elements = caller.get();
  WebDriver webDriver = caller.getWebDriver();
  List<WebElement> children = getChildren(elements);
  for (Iterator<WebElement> iterator = children.iterator(); iterator.hasNext();) {
    WebElement child = iterator.next();
    if (!CssSelectorMatcherService.elementMatchesStringSelector(webDriver, child, selector)) {
      iterator.remove();
    }
  }
  return SqObjectFactory.instance().createWithInvalidSelector(webDriver, children, caller);
}

private boolean parentMatchesAncestorSelector(WebDriver driver, WebElement parent, DescendantSelector descendantSelector, ArgumentMap argumentMap) {
  return CssSelectorMatcherService.elementMatchesSelector(driver, parent, argumentMap, descendantSelector.getAncestorSelector());
}

@Test(expected= SeleniumQueryException.class)
public void attribute_equals_unquoted_space_is_not_valid() {
  WebElement myA = driver.findElement(By.id("myA"));
  CssSelectorMatcherService.elementMatchesStringSelector(driver, myA, "a[rel=nofollow self]"); // should throw exception
}

@Override
public boolean is(WebDriver driver, WebElement element, ArgumentMap argumentMap, DescendantSelector descendantSelector) {
  if (CssSelectorMatcherService.elementMatchesSelector(driver, element, argumentMap, descendantSelector.getSimpleSelector())) {

    WebElement ancestor = SelectorUtils.parent(element);

    while (ancestor != null) {
      if (CssSelectorMatcherService.elementMatchesSelector(driver, ancestor, argumentMap, descendantSelector.getAncestorSelector())) {
        return true;
      }
      ancestor = SelectorUtils.parent(ancestor);
    }
  }
  return false;
}

@Test
public void attribute_not_equals() {
  WebElement myA = driver.findElement(By.id("myA"));
  WebElement myA2 = driver.findElement(By.id("myA2"));
    
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, myA, "a[rel!=\"nofollow self\"]"), is(false));
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, myA, "a[rel!='nofollow self']"), is(false));
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, myA2, "a[hreflang!=en]"), is(false));
  
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, myA, "a[attrDOESnotExist!=yay]"), is(true));
  
  // case INsensitive
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, myA, "a[rEL!='noFOLLow sELf']"), is(false));
}

@Override
public boolean is(WebDriver driver, WebElement element, ArgumentMap argumentMap, DescendantSelector descendantSelector) {
  if (CssSelectorMatcherService.elementMatchesSelector(driver, element, argumentMap, descendantSelector.getSimpleSelector())) {

    WebElement ancestor = SelectorUtils.parent(element);

    while (ancestor != null) {
      if (CssSelectorMatcherService.elementMatchesSelector(driver, ancestor, argumentMap, descendantSelector.getAncestorSelector())) {
        return true;
      }
      ancestor = SelectorUtils.parent(ancestor);
    }
  }
  return false;
}

@Test
public void attribute_equals() {
  WebElement myA = driver.findElement(By.id("myA"));
  WebElement myA2 = driver.findElement(By.id("myA2"));
    
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, myA, "a[rel=\"nofollow self\"]"), is(true));
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, myA, "a[rel='nofollow self']"), is(true));
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, myA2, "a[hreflang=en]"), is(true));
  
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, myA, "a[attrDOESnotExist=yay]"), is(false));
  
  // case INsensitive
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, myA, "a[rEL='noFOLLow sELf']"), is(true));
}

@Override
public boolean is(WebDriver driver, WebElement element, ArgumentMap argumentMap, SiblingSelector siblingSelector) {
  WebElement previousElement = SelectorUtils.getPreviousSibling(element);
  return aPreviousElementExists(previousElement) &&
      elementMatchesSelector(driver, previousElement, argumentMap, siblingSelector.getSelector()) &&
      elementMatchesSelector(driver, element, argumentMap, siblingSelector.getSiblingSelector());
}

@Test
public void className_and_id() {
  WebElement span = driver.findElement(By.tagName("span"));
  
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, span, ".someClass"), is(false));
  
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, driver.findElement(By.id("d1")), ".one"), is(true));
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, driver.findElement(By.id("d2")), ".one"), is(true));
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, driver.findElement(By.id("d3")), ".one"), is(true));
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, driver.findElement(By.id("d4")), ".one"), is(true));
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, driver.findElement(By.id("d5")), ".one"), is(true));
  assertThat(CssSelectorMatcherService.elementMatchesStringSelector(driver, driver.findElement(By.id("d6")), ".one"), is(true));
}

@Override
public boolean is(WebDriver driver, WebElement element, ArgumentMap argumentMap, SiblingSelector siblingSelector) {
  WebElement previousElement = SelectorUtils.getPreviousSibling(element);
  return aPreviousElementExists(previousElement) &&
      elementMatchesSelector(driver, previousElement, argumentMap, siblingSelector.getSelector()) &&
      elementMatchesSelector(driver, element, argumentMap, siblingSelector.getSiblingSelector());
}