Esempio n. 1
0
  @Override
  public void actionPerformed(final ActionEvent e) {
    if (e != null) {
      final Object source = e.getSource();

      // find modified component
      int cp = 0;
      final int cs = panel.getComponentCount();
      for (int c = 0; c < cs; ++c) if (panel.getComponent(c) == source) cp = c;

      if ((cp & 1) == 0) {
        // combo box with tags/attributes
        final BaseXCombo combo = (BaseXCombo) source;
        panel.remove(cp + 1);

        final Data data = gui.context.data();
        final boolean selected = combo.getSelectedIndex() != 0;
        if (selected) {
          final String item = combo.getSelectedItem().toString();
          final boolean att = item.startsWith("@");
          final Names names = att ? data.atnindex : data.tagindex;
          final byte[] key = Token.token(att ? item.substring(1) : item);
          final StatsKey stat = names.stat(names.id(key));
          switch (stat.kind) {
            case INT:
              addSlider(stat.min, stat.max, cp + 1, true);
              break;
            case DBL:
              addSlider(stat.min, stat.max, cp + 1, false);
              break;
            case CAT:
              addCombo(entries(stat.cats.keys()), cp + 1);
              break;
            case TEXT:
              addInput(cp + 1);
              break;
            case NONE:
              panel.add(new BaseXLabel(""), cp + 1);
              break;
          }
        } else {
          panel.add(new BaseXLabel(""), cp + 1);
        }
        while (cp + 2 < panel.getComponentCount()) {
          panel.remove(cp + 2);
          panel.remove(cp + 2);
        }
        if (selected) addKeys(data);
        panel.revalidate();
        panel.repaint();
      }
    }
    query(false);
  }
Esempio n. 2
0
  /**
   * Returns the path nodes that are the result of this step.
   *
   * @param nodes initial path nodes
   * @param data data reference
   * @return resulting path nodes, or {@code null} if nodes cannot be evaluated
   */
  final ObjList<PathNode> nodes(final ObjList<PathNode> nodes, final Data data) {

    // skip steps with predicates or different namespaces
    if (preds.length != 0 || data.nspaces.globalNS() == null) return null;

    // check restrictions on node type
    int kind = -1, name = 0;
    if (test.type != null) {
      kind = ANode.kind(test.type);
      if (kind == Data.PI) return null;

      if (test.test == Name.NAME) {
        // element/attribute test (*:ln)
        final Names names = kind == Data.ATTR ? data.atnindex : data.tagindex;
        name = names.id(((NameTest) test).ln);
      } else if (test.test != null && test.test != Name.ALL) {
        // skip namespace and standard tests
        return null;
      }
    }

    // skip axes other than descendant, child, and attribute
    if (axis != Axis.ATTR
        && axis != Axis.CHILD
        && axis != Axis.DESC
        && axis != Axis.DESCORSELF
        && axis != Axis.SELF) return null;

    final ObjList<PathNode> tmp = new ObjList<PathNode>();
    for (final PathNode n : nodes) {
      if (axis == Axis.SELF || axis == Axis.DESCORSELF) {
        if (kind == -1 || kind == n.kind && (name == 0 || name == n.name)) {
          if (!tmp.contains(n)) tmp.add(n);
        }
      }
      if (axis != Axis.SELF) add(n, tmp, name, kind);
    }
    return tmp;
  }
Esempio n. 3
0
  /**
   * Inserts a data instance at the specified pre value. Note that the specified data instance must
   * differ from this instance.
   *
   * @param ipre value at which to insert new data
   * @param ipar parent pre value of node
   * @param clip data clip
   */
  public final void insert(final int ipre, final int ipar, final DataClip clip) {
    meta.update();

    // update value and document indexes
    if (meta.updindex) indexBegin();
    resources.insert(ipre, clip);

    final int dsize = clip.size();
    final int buf = Math.min(dsize, IO.BLOCKSIZE >> IO.NODEPOWER);
    // resize buffer to cache more entries
    buffer(buf);

    // find all namespaces in scope to avoid duplicate declarations
    final TokenMap nsScope = nspaces.scope(ipar, this);

    // loop through all entries
    final IntList preStack = new IntList();
    final NSNode nsRoot = nspaces.current();
    final HashSet<NSNode> newNodes = new HashSet<NSNode>();
    final IntList flagPres = new IntList();

    // indicates if database only contains a dummy node
    final Data data = clip.data;
    int c = 0;
    for (int dpre = clip.start; dpre < clip.end; ++dpre, ++c) {
      if (c != 0 && c % buf == 0) insert(ipre + c - buf);

      final int pre = ipre + c;
      final int dkind = data.kind(dpre);
      final int dpar = data.parent(dpre, dkind);
      // ipar < 0 if document nodes on top level are added
      final int dis = dpar >= 0 ? dpre - dpar : ipar >= 0 ? pre - ipar : 0;
      final int par = dis == 0 ? -1 : pre - dis;

      if (c == 0) nspaces.root(par, this);

      while (!preStack.isEmpty() && preStack.peek() > par) nspaces.close(preStack.pop());

      switch (dkind) {
        case DOC:
          // add document
          nspaces.prepare();
          final int s = data.size(dpre, dkind);
          doc(pre, s, data.text(dpre, true));
          meta.ndocs++;
          preStack.push(pre);
          break;
        case ELEM:
          // add element
          nspaces.prepare();
          boolean ne = false;
          if (data.nsFlag(dpre)) {
            final Atts at = data.ns(dpre);
            for (int a = 0; a < at.size(); ++a) {
              // see if prefix has been declared/ is part of current ns scope
              final byte[] old = nsScope.get(at.name(a));
              if (old == null || !eq(old, at.value(a))) {
                // we have to keep track of all new NSNodes that are added
                // to the Namespace structure, as their pre values must not
                // be updated. I.e. if an NSNode N with pre value 3 existed
                // prior to inserting and two new nodes are inserted at
                // location pre == 3 we have to make sure N and only N gets
                // updated.
                newNodes.add(nspaces.add(at.name(a), at.value(a), pre));
                ne = true;
              }
            }
          }
          byte[] nm = data.name(dpre, dkind);
          elem(
              dis,
              tagindex.index(nm, null, false),
              data.attSize(dpre, dkind),
              data.size(dpre, dkind),
              nspaces.uri(nm, true),
              ne);
          preStack.push(pre);
          break;
        case TEXT:
        case COMM:
        case PI:
          // add text
          text(pre, dis, data.text(dpre, true), dkind);
          break;
        case ATTR:
          // add attribute
          nm = data.name(dpre, dkind);
          // check if prefix already in nsScope or not
          final byte[] attPref = prefix(nm);
          // check if prefix of attribute has already been declared, otherwise
          // add declaration to parent node
          if (data.nsFlag(dpre) && nsScope.get(attPref) == null) {
            nspaces.add(
                par,
                preStack.isEmpty() ? -1 : preStack.peek(),
                attPref,
                data.nspaces.uri(data.uri(dpre, dkind)),
                this);
            // save pre value to set ns flag later for this node. can't be done
            // here as direct table access would interfere with the buffer
            flagPres.add(par);
          }
          attr(
              pre,
              dis,
              atnindex.index(nm, null, false),
              data.text(dpre, false),
              nspaces.uri(nm, false),
              false);
          break;
      }
    }
    // finalize and update namespace structure
    while (!preStack.isEmpty()) nspaces.close(preStack.pop());
    nspaces.root(nsRoot);

    if (bp != 0) insert(ipre + c - 1 - (c - 1) % buf);
    // reset buffer to old size
    buffer(1);

    // set ns flags
    for (int f = 0; f < flagPres.size(); f++) {
      final int fl = flagPres.get(f);
      table.write2(fl, 1, name(fl) | 1 << 15);
    }

    // increase size of ancestors
    int p = ipar;
    while (p >= 0) {
      final int k = kind(p);
      size(p, k, size(p, k) + dsize);
      p = parent(p, k);
    }

    if (meta.updindex) {
      // add the entries to the ID -> PRE mapping:
      idmap.insert(ipre, id(ipre), dsize);
      indexEnd();
    }

    if (!cache) updateDist(ipre + dsize, dsize);

    // propagate PRE value shifts to namespaces
    if (ipar != -1) nspaces.insert(ipre, dsize, newNodes);
  }
Esempio n. 4
0
  /**
   * Replaces parts of the database with the specified data instance.
   *
   * @param rpre pre value to be replaced
   * @param clip data clip
   */
  public final void replace(final int rpre, final DataClip clip) {
    meta.update();

    final int dsize = clip.size();
    final Data data = clip.data;

    final int rkind = kind(rpre);
    final int rsize = size(rpre, rkind);
    final int rpar = parent(rpre, rkind);
    final int diff = dsize - rsize;
    buffer(dsize);
    resources.replace(rpre, rsize, clip);

    if (meta.updindex) {
      // update index
      indexDelete(rpre, rsize);
      indexBegin();
    }

    for (int dpre = clip.start; dpre < clip.end; ++dpre) {
      final int dkind = data.kind(dpre);
      final int dpar = data.parent(dpre, dkind);
      final int pre = rpre + dpre - clip.start;
      final int dis = dpar >= 0 ? dpre - dpar : pre - rpar;

      switch (dkind) {
        case DOC:
          // add document
          doc(pre, data.size(dpre, dkind), data.text(dpre, true));
          meta.ndocs++;
          break;
        case ELEM:
          // add element
          byte[] nm = data.name(dpre, dkind);
          elem(
              dis,
              tagindex.index(nm, null, false),
              data.attSize(dpre, dkind),
              data.size(dpre, dkind),
              nspaces.uri(nm, true),
              false);
          break;
        case TEXT:
        case COMM:
        case PI:
          // add text
          text(pre, dis, data.text(dpre, true), dkind);
          break;
        case ATTR:
          // add attribute
          nm = data.name(dpre, dkind);
          attr(
              pre,
              dis,
              atnindex.index(nm, null, false),
              data.text(dpre, false),
              nspaces.uri(nm, false),
              false);
          break;
      }
    }

    if (meta.updindex) {
      indexEnd();
      // update ID -> PRE map:
      idmap.delete(rpre, id(rpre), -rsize);
      idmap.insert(rpre, meta.lastid - dsize + 1, dsize);
    }

    // update table:
    table.replace(rpre, buffer(), rsize);
    buffer(1);

    // no distance/size update if the two subtrees are of equal size
    if (diff == 0) return;

    // increase/decrease size of ancestors, adjust distances of siblings
    int p = rpar;
    while (p >= 0) {
      final int k = kind(p);
      size(p, k, size(p, k) + diff);
      p = parent(p, k);
    }

    if (!cache) updateDist(rpre + dsize, diff);

    // adjust attribute size of parent if attributes inserted. attribute size
    // of parent cannot be reduced via a replace expression.
    int dpre = clip.start;
    if (data.kind(dpre) == ATTR) {
      int d = 0;
      while (dpre < clip.end && data.kind(dpre++) == ATTR) d++;
      if (d > 1) attSize(rpar, kind(rpar), d + 1);
    }
  }