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Diffstat (limited to 'libjava/gnu/xml/xpath/IdFunction.java')
-rw-r--r-- | libjava/gnu/xml/xpath/IdFunction.java | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/libjava/gnu/xml/xpath/IdFunction.java b/libjava/gnu/xml/xpath/IdFunction.java deleted file mode 100644 index 164e141a7c4..00000000000 --- a/libjava/gnu/xml/xpath/IdFunction.java +++ /dev/null @@ -1,96 +0,0 @@ -/* IdFunction.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.xpath; - -import java.util.Collection; -import java.util.List; -import org.w3c.dom.Node; - -/** - * The <code>id</code> function selects elements by their unique ID. - * When the argument to id is of type node-set, then the result is - * the union of the result of applying id to the string-value of each of the - * nodes in the argument node-set. When the argument to id is of any other - * type, the argument is converted to a string as if by a call to the string - * function; the string is split into a whitespace-separated list of tokens - * (whitespace is any sequence of characters matching the production S); the - * result is a node-set containing the elements in the same document as the - * context node that have a unique ID equal to any of the tokens in the - * list. - * - * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> - */ -public final class IdFunction - extends Pattern -{ - - final Expr arg; - - IdFunction(List args) - { - this((Expr) args.get(0)); - } - - public IdFunction(Expr arg) - { - this.arg = arg; - } - - public boolean matches(Node context) - { - Object ret = evaluate(context, 1, 1); - return !((Collection) ret).isEmpty(); - } - - public Object evaluate(Node context, int pos, int len) - { - Object val = arg.evaluate(context, pos, len); - return _id(context, val); - } - - public Expr clone(Object context) - { - return new IdFunction(arg.clone(context)); - } - - public String toString() - { - return "id(" + arg + ")"; - } - -} |