diff options
Diffstat (limited to 'libjava/gnu/xml/transform/Bindings.java')
| -rw-r--r-- | libjava/gnu/xml/transform/Bindings.java | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/libjava/gnu/xml/transform/Bindings.java b/libjava/gnu/xml/transform/Bindings.java deleted file mode 100644 index 7bea4e8231d..00000000000 --- a/libjava/gnu/xml/transform/Bindings.java +++ /dev/null @@ -1,242 +0,0 @@ -/* Bindings.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.Collection; -import java.util.Collections; -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; -import java.util.LinkedList; -import java.util.Map; -import javax.xml.namespace.QName; -import javax.xml.xpath.XPathVariableResolver; -import org.w3c.dom.Node; - -/** - * The set of variable bindings in effect for a stylesheet. - * - * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> - */ -public class Bindings - implements XPathVariableResolver, Cloneable -{ - - final Stylesheet stylesheet; - - /** - * Global variables. - */ - final LinkedList variables; - - /** - * Parameter value stack. - */ - final LinkedList parameters; - - Bindings(Stylesheet stylesheet) - { - this.stylesheet = stylesheet; - variables = new LinkedList(); - parameters = new LinkedList(); - push(true); - push(false); - } - - public Object clone() - { - try - { - return (Bindings) super.clone(); - } - catch (CloneNotSupportedException e) - { - throw new Error(e.getMessage()); - } - } - - void push(boolean global) - { - if (global) - { - variables.addFirst(new HashMap()); - } - else - { - parameters.addFirst(new HashMap()); - } - } - - void pop(boolean global) - { - if (global) - { - variables.removeFirst(); - } - else - { - parameters.removeFirst(); - } - } - - public boolean containsKey(String name, boolean global) - { - Iterator i = global ? variables.iterator() : parameters.iterator(); - while (i.hasNext()) - { - Map ctx = (Map) i.next(); - if (ctx.containsKey(name)) - { - return true; - } - } - return false; - } - - public Object get(String name, Node context, int pos, int len) - { - //System.err.println("bindings.get: "+name); - //System.err.println("\t"+toString()); - Object ret = null; - for (Iterator i = variables.iterator(); i.hasNext() && ret == null; ) - { - Map vctx = (Map) i.next(); - ret = vctx.get(name); - } - if (ret == null) - { - for (Iterator i = parameters.iterator(); i.hasNext() && ret == null; ) - { - Map pctx = (Map) i.next(); - ret = pctx.get(name); - } - } - /*if (ret instanceof Expr && context != null) - { - Expr expr = (Expr) ret; - ret = expr.evaluate(context, 1, 1); - }*/ - if (ret instanceof Node) - { - ret = Collections.singleton(ret); - } - if (ret == null) - { - ret = ""; - } - //System.err.println("\tret="+ret); - return ret; - } - - void set(String name, Object value, boolean global) - { - if (global) - { - Map context = (Map) variables.getFirst(); - context.put(name, value); - } - else - { - Map context = (Map) parameters.getFirst(); - context.put(name, value); - } - } - - public Object resolveVariable(QName qName) - { - return get(qName.toString(), null, 1, 1); - } - - public String toString() - { - StringBuffer buf = new StringBuffer(); - boolean next = false; - Collection seen = new HashSet(); - buf.append('{'); - for (Iterator i = variables.iterator(); i.hasNext(); ) - { - Map ctx = (Map) i.next(); - for (Iterator j = ctx.entrySet().iterator(); j.hasNext(); ) - { - if (next) - { - buf.append(','); - } - else - { - next = true; - } - Map.Entry entry = (Map.Entry) j.next(); - Object key = entry.getKey(); - if (!seen.contains(key)) - { - buf.append(key); - buf.append('='); - buf.append(entry.getValue()); - seen.add(key); - } - } - } - for (Iterator i = parameters.iterator(); i.hasNext(); ) - { - Map ctx = (Map) i.next(); - for (Iterator j = ctx.entrySet().iterator(); j.hasNext(); ) - { - if (next) - { - buf.append(','); - } - else - { - next = true; - } - Map.Entry entry = (Map.Entry) j.next(); - Object key = entry.getKey(); - if (!seen.contains(key)) - { - buf.append(key); - buf.append('='); - buf.append(entry.getValue()); - seen.add(key); - } - } - } - buf.append('}'); - return buf.toString(); - } -} |