Пример #1
0
 private JsNodeArray getElementsByPseudo(
     JsNodeArray previousMatch, String pseudoClass, String pseudoValue) {
   JsNodeArray prevParents = JsNodeArray.create();
   boolean previousDir = pseudoClass.startsWith("first") ? true : false;
   JsNodeArray matchingElms = JsNodeArray.create();
   if (JsUtils.eq("first-child", pseudoClass) || JsUtils.eq("last-child", pseudoClass)) {
     getFirstChildPseudo(previousMatch, previousDir, matchingElms);
   } else if (JsUtils.eq("only-child", pseudoClass)) {
     getOnlyChildPseudo(previousMatch, matchingElms);
   } else if (JsUtils.eq("nth-child", pseudoClass)) {
     matchingElms = getNthChildPseudo(previousMatch, pseudoValue, prevParents, matchingElms);
   } else if (JsUtils.eq("first-of-type", pseudoClass)
       || JsUtils.eq("last-of-type", pseudoClass)) {
     getFirstOfTypePseudo(previousMatch, previousDir, matchingElms);
   } else if (JsUtils.eq("only-of-type", pseudoClass)) {
     getOnlyOfTypePseudo(previousMatch, matchingElms);
   } else if (JsUtils.eq("nth-of-type", pseudoClass)) {
     matchingElms = getNthOfTypePseudo(previousMatch, pseudoValue, prevParents, matchingElms);
   } else if (JsUtils.eq("empty", pseudoClass)) {
     getEmptyPseudo(previousMatch, matchingElms);
   } else if (JsUtils.eq("enabled", pseudoClass)) {
     getEnabledPseudo(previousMatch, matchingElms);
   } else if (JsUtils.eq("disabled", pseudoClass)) {
     getDisabledPseudo(previousMatch, matchingElms);
   } else if (JsUtils.eq("checked", pseudoClass)) {
     getCheckedPseudo(previousMatch, matchingElms);
   } else if (JsUtils.eq("contains", pseudoClass)) {
     getContainsPseudo(previousMatch, pseudoValue, matchingElms);
   } else if (JsUtils.eq("not", pseudoClass)) {
     matchingElms = getNotPseudo(previousMatch, pseudoValue, matchingElms);
   } else {
     getDefaultPseudo(previousMatch, pseudoClass, pseudoValue, matchingElms);
   }
   return matchingElms;
 }
Пример #2
0
  public NodeList<Element> select(String sel, Node ctx) {
    String selectors[] = sel.replace("\\s*(,)\\s*", "$1").split(",");
    boolean identical = false;
    JsNodeArray elm = JsNodeArray.create();
    for (int a = 0, len = selectors.length; a < len; a++) {
      if (a > 0) {
        identical = false;
        for (int b = 0, bl = a; b < bl; b++) {
          if (JsUtils.eq(selectors[a], selectors[b])) {
            identical = true;
            break;
          }
        }
        if (identical) {
          continue;
        }
      }
      String currentRule = selectors[a];
      JsObjectArray<String> cssSelectors = selectorSplitRegExp.match(currentRule);
      JsNodeArray prevElem = JsNodeArray.create(ctx);
      for (int i = 0, slen = cssSelectors.length(); i < slen; i++) {
        JsNodeArray matchingElms = JsNodeArray.create();
        String rule = cssSelectors.get(i);
        if (i > 0 && childOrSiblingRefRegExp.test(rule)) {
          JsObjectArray<String> childOrSiblingRef = childOrSiblingRefRegExp.exec(rule);
          if (JsUtils.truth(childOrSiblingRef)) {
            JsObjectArray<String> nextTag = new JsRegexp("^\\w+").exec(cssSelectors.get(i + 1));
            JsRegexp nextRegExp = null;
            String nextTagStr = null;
            if (JsUtils.truth(nextTag)) {
              nextTagStr = nextTag.get(0);
              nextRegExp = new JsRegexp("(^|\\s)" + nextTagStr + "(\\s|$)", "i");
            }
            for (int j = 0, jlen = prevElem.size(); j < jlen; j++) {
              Node prevRef = prevElem.getNode(j);
              String ref = childOrSiblingRef.get(0);
              if (JsUtils.eq(">", ref)) {
                getDescendantNodes(matchingElms, nextTagStr, prevRef);
              } else if (JsUtils.eq("+", ref)) {
                getSiblingNodes(matchingElms, nextTag, nextRegExp, prevRef);
              } else if (JsUtils.eq("~", ref)) {
                getGeneralSiblingNodes(matchingElms, nextTag, nextRegExp, prevRef);
              }
            }
            prevElem = matchingElms;
            clearAdded(prevElem);
            rule = cssSelectors.get(++i);
            if (new JsRegexp("^\\w+$").test(rule)) {
              continue;
            }
            setSkipTag(prevElem, true);
          }
        }
        JsObjectArray<String> cssSelector = cssSelectorRegExp.exec(rule);
        SplitRule splitRule =
            new SplitRule(
                !JsUtils.truth(cssSelector.get(1)) || JsUtils.eq(cssSelector.get(3), "*")
                    ? "*"
                    : cssSelector.get(1),
                !JsUtils.eq(cssSelector.get(3), "*") ? cssSelector.get(2) : null,
                cssSelector.get(4),
                cssSelector.get(6),
                cssSelector.get(10));
        if (JsUtils.truth(splitRule.id)) {
          Element domelem = Document.get().getElementById(splitRule.id.substring(1));
          if (JsUtils.truth(domelem)) {
            matchingElms = JsNodeArray.create(domelem);
          }
          prevElem = matchingElms;
        } else if (JsUtils.truth(splitRule.tag) && !isSkipped(prevElem)) {
          if (i == 0 && matchingElms.size() == 0 && prevElem.size() == 1) {
            prevElem =
                matchingElms =
                    JsNodeArray.create(getElementsByTagName(splitRule.tag, prevElem.getNode(0)));
          } else {
            NodeList<Element> tagCollectionMatches;
            for (int l = 0, ll = prevElem.size(); l < ll; l++) {
              tagCollectionMatches = getElementsByTagName(splitRule.tag, prevElem.getNode(l));
              for (int m = 0, mlen = tagCollectionMatches.getLength(); m < mlen; m++) {
                Node tagMatch = tagCollectionMatches.getItem(m);

                if (!isAdded(tagMatch)) {
                  setAdded(tagMatch, true);
                  matchingElms.addNode(tagMatch);
                }
              }
            }
            prevElem = matchingElms;
            clearAdded(prevElem);
          }
          if (matchingElms.size() == 0) {
            break;
          }
          setSkipTag(prevElem, false);
          if (JsUtils.truth(splitRule.allClasses)) {
            String[] allClasses = splitRule.allClasses.replaceFirst("^\\.", "").split("\\.");
            JsRegexp[] regExpClassNames = new JsRegexp[allClasses.length];
            for (int n = 0, nl = allClasses.length; n < nl; n++) {
              regExpClassNames[n] = new JsRegexp("(^|\\s)" + allClasses[n] + "(\\s|$)");
            }
            JsNodeArray matchingClassElms = JsNodeArray.create();
            for (int o = 0, olen = prevElem.size(); o < olen; o++) {
              Element current = prevElem.getElement(o);
              String elmClass = current.getClassName();
              boolean addElm = false;
              if (JsUtils.truth(elmClass) && !isAdded(current)) {
                for (int p = 0, pl = regExpClassNames.length; p < pl; p++) {
                  addElm = regExpClassNames[p].test(elmClass);
                  if (!addElm) {
                    break;
                  }
                }
                if (addElm) {
                  setAdded(current, true);
                  matchingClassElms.addNode(current);
                }
              }
            }
            clearAdded(prevElem);
            prevElem = matchingElms = matchingClassElms;
          }
          if (JsUtils.truth(splitRule.allAttr)) {
            JsObjectArray<String> allAttr = JsRegexp.match("\\[[^\\]]+\\]", "g", splitRule.allAttr);
            JsRegexp[] regExpAttributes = new JsRegexp[allAttr.length()];
            String[] regExpAttributesStr = new String[allAttr.length()];
            JsRegexp attributeMatchRegExp =
                new JsRegexp("(\\w+)(\\^|\\$|\\*|\\||~)?=?[\"']?([\\w\u00C0-\uFFFF\\s\\-_\\.]+)?");
            for (int q = 0, ql = allAttr.length(); q < ql; q++) {
              JsObjectArray<String> attributeMatch = attributeMatchRegExp.exec(allAttr.get(q));
              String attributeValue =
                  JsUtils.truth(attributeMatch.get(3))
                      ? attributeMatch.get(3).replaceAll("\\.", "\\.")
                      : null;
              String attrVal =
                  attrToRegExp(attributeValue, (JsUtils.or(attributeMatch.get(2), null)));
              regExpAttributes[q] = (JsUtils.truth(attrVal) ? new JsRegexp(attrVal) : null);
              regExpAttributesStr[q] = attributeMatch.get(1);
            }
            JsNodeArray matchingAttributeElms = JsNodeArray.create();

            for (int r = 0, rlen = matchingElms.size(); r < rlen; r++) {
              Element current = matchingElms.getElement(r);
              boolean addElm = false;
              for (int s = 0, sl = regExpAttributes.length; s < sl; s++) {
                addElm = false;
                JsRegexp attributeRegexp = regExpAttributes[s];
                String currentAttr = getAttr(current, regExpAttributesStr[s]);
                if (JsUtils.truth(currentAttr) && currentAttr.length() != 0) {
                  if (attributeRegexp == null || attributeRegexp.test(currentAttr)) {
                    addElm = true;
                  }
                }
                if (!addElm) {
                  break;
                }
              }
              if (addElm) {
                matchingAttributeElms.addNode(current);
              }
            }
            prevElem = matchingElms = matchingAttributeElms;
          }
          if (JsUtils.truth(splitRule.allPseudos)) {
            JsRegexp pseudoSplitRegExp = new JsRegexp(":(\\w[\\w\\-]*)(\\(([^\\)]+)\\))?");

            JsObjectArray<String> allPseudos =
                JsRegexp.match("(:\\w+[\\w\\-]*)(\\([^\\)]+\\))?", "g", splitRule.allPseudos);
            for (int t = 0, tl = allPseudos.length(); t < tl; t++) {
              JsObjectArray<String> pseudo = pseudoSplitRegExp.match(allPseudos.get(t));
              String pseudoClass =
                  JsUtils.truth(pseudo.get(1)) ? pseudo.get(1).toLowerCase() : null;
              String pseudoValue = JsUtils.truth(pseudo.get(3)) ? pseudo.get(3) : null;
              matchingElms = getElementsByPseudo(matchingElms, pseudoClass, pseudoValue);
              clearAdded(matchingElms);
            }
            prevElem = matchingElms;
          }
        }
      }
      elm.pushAll(prevElem);
    }

    return JsUtils.unique(elm.<JsArray<Element>>cast()).cast();
  }