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Diffstat (limited to 'libjava/gnu/xml/transform/NodeNumberNode.java')
| -rw-r--r-- | libjava/gnu/xml/transform/NodeNumberNode.java | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/libjava/gnu/xml/transform/NodeNumberNode.java b/libjava/gnu/xml/transform/NodeNumberNode.java deleted file mode 100644 index 99ffe8bbb24..00000000000 --- a/libjava/gnu/xml/transform/NodeNumberNode.java +++ /dev/null @@ -1,258 +0,0 @@ -/* NodeNumberNode.java -- - Copyright (C) 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package gnu.xml.transform; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.Collections; -import java.util.Iterator; -import java.util.List; -import javax.xml.transform.TransformerException; -import org.w3c.dom.Node; -import gnu.xml.xpath.Expr; -import gnu.xml.xpath.Pattern; -import gnu.xml.xpath.Selector; -import gnu.xml.xpath.UnionExpr; - -/** - * A template node representing the XSL <code>number</code> instruction - * with no <code>value</code> expression, i.e. the value is computed from - * the document position of the context node. - * - * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> - */ -final class NodeNumberNode - extends AbstractNumberNode -{ - - static final int SINGLE = 0; - static final int MULTIPLE = 1; - static final int ANY = 2; - - final int level; - final Pattern count; - final Pattern from; - - NodeNumberNode(TemplateNode children, TemplateNode next, - int level, Pattern count, Pattern from, - TemplateNode format, String lang, - int letterValue, String groupingSeparator, int groupingSize) - { - super(children, next, format, lang, letterValue, groupingSeparator, - groupingSize); - this.level = level; - this.count = count; - this.from = from; - } - - TemplateNode clone(Stylesheet stylesheet) - { - return new NodeNumberNode((children == null) ? null : - children.clone(stylesheet), - (next == null) ? null : - next.clone(stylesheet), - level, - (count == null) ? null : - (Pattern) count.clone(stylesheet), - (from == null) ? from : - (Pattern) from.clone(stylesheet), - format, lang, letterValue, - groupingSeparator, groupingSize); - } - - int[] compute(Stylesheet stylesheet, Node context, int pos, int len) - throws TransformerException - { - /*if (from != null) - { - Object ret = from.evaluate(context, pos, len); - if (ret instanceof Collection) - { - Collection ns = (Collection) ret; - if (ns.size() > 0) - { - List list = new ArrayList(ns); - Collections.sort(list, documentOrderComparator); - context = (Node) list.get(0); - } - else - { - return new int[0]; - } - } - else - { - return new int[0]; - } - }*/ - Node current = context; - switch (level) - { - case SINGLE: - if (from == null) - { - while (context != null && !countMatches(current, context)) - { - context = context.getParentNode(); - } - } - else - { - while (context != null && !countMatches(current, context) && - !fromMatches(context)) - { - context = context.getParentNode(); - } - } - return (context == null) ? new int[0] : - new int[] { (context == current) ? pos : getIndex(current, context) }; - case MULTIPLE: - List ancestors = new ArrayList(); - while (context != null) - { - if (countMatches(current, context)) - { - if (from == null || fromMatches(context)) - { - ancestors.add(context); - } - } - context = context.getParentNode(); - } - Collections.sort(ancestors, documentOrderComparator); - int[] ret = new int[ancestors.size()]; - for (int i = 0; i < ret.length; i++) - { - ret[i] = getIndex(current, (Node) ancestors.get(i)); - } - return ret; - case ANY: - Expr preceding = new Selector(Selector.PRECEDING, - Collections.EMPTY_LIST); - Expr ancestorOrSelf = new Selector(Selector.ANCESTOR_OR_SELF, - Collections.EMPTY_LIST); - Expr any = new UnionExpr(preceding, ancestorOrSelf); - Object eval = any.evaluate(context, pos, len); - if (eval instanceof Collection) - { - Collection ns = (Collection) eval; - List candidates = new ArrayList(); - for (Iterator i = ns.iterator(); i.hasNext(); ) - { - Node candidate = (Node) i.next(); - if (countMatches(current, candidate)) - { - candidates.add(candidate); - if (from != null && from.matches(candidate)) - { - break; - } - } - } - return new int[] { candidates.size() }; - } - return new int[0]; - default: - throw new TransformerException("invalid level"); - } - } - - boolean countMatches(Node current, Node node) - { - if (count == null) - { - int cnt = current.getNodeType(); - int nnt = node.getNodeType(); - if (cnt != nnt) - { - return false; - } - if (nnt == Node.ELEMENT_NODE || nnt == Node.ATTRIBUTE_NODE) - { - String curi = current.getNamespaceURI(); - String nuri = node.getNamespaceURI(); - if ((curi == null && nuri != null) || - (curi != null && !curi.equals(nuri))) - { - return false; - } - String cn = current.getLocalName(); - String nn = current.getLocalName(); - if (!cn.equals(nn)) - { - return false; - } - } - return true; - } - else - { - return count.matches(node); - } - } - - boolean fromMatches(Node node) - { - for (Node ctx = node.getParentNode(); ctx != null; - ctx = ctx.getParentNode()) - { - if (from.matches(ctx)) - { - return true; - } - } - return false; - } - - int getIndex(Node current, Node node) - { - int index = 0; - do - { - do - { - node = node.getPreviousSibling(); - } - while (node != null && !countMatches(current, node)); - index++; - } - while (node != null); - return index; - } - -} |
