obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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files in the upstream repository.

1 files changed, 346 insertions, 0 deletions

diff --git a/libjava/classpath/gnu/xml/transform/Bindings.java b/libjava/classpath/gnu/xml/transform/Bindings.java
new file mode 100644
index 000000000..37d45880c
--- /dev/null
+++ b/libjava/classpath/gnu/xml/transform/Bindings.java
@@ -0,0 +1,346 @@
+/* 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 gnu.java.lang.CPStringBuilder;
+
+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
+{
+
+  static final int VARIABLE = 0;
+  static final int PARAM = 1;
+  static final int WITH_PARAM = 2;
+
+  final Stylesheet stylesheet;
+
+  /**
+   * Global variables.
+   */
+  final LinkedList<Map<QName,Object>> variables;
+
+  /**
+   * Parameter value stack.
+   */
+  final LinkedList<Map<QName,Object>> parameters;
+
+  /**
+   * Argument (with-param) value stack.
+   */
+  final LinkedList<Map<QName,Object>> withParameters;
+
+  /**
+   * Only search globals.
+   */
+  boolean global;
+
+  Bindings(Stylesheet stylesheet)
+  {
+    this.stylesheet = stylesheet;
+    variables = new LinkedList<Map<QName,Object>>();
+    parameters = new LinkedList<Map<QName,Object>>();
+    withParameters = new LinkedList<Map<QName,Object>>();
+    for (int i = 0; i < 3; i++)
+      {
+        push(i);
+      }
+  }
+
+  public Object clone()
+  {
+    try
+      {
+        return (Bindings) super.clone();
+      }
+    catch (CloneNotSupportedException e)
+      {
+        throw new Error(e.getMessage());
+      }
+  }
+
+  void push(int type)
+  {
+    switch (type)
+      {
+      case VARIABLE:
+        variables.addFirst(new HashMap<QName,Object>());
+        break;
+      case PARAM:
+        parameters.addFirst(new HashMap<QName,Object>());
+        break;
+      case WITH_PARAM:
+        withParameters.addFirst(new HashMap<QName,Object>());
+        break;
+      }
+  }
+
+  void pop(int type)
+  {
+    switch (type)
+      {
+      case VARIABLE:
+        variables.removeFirst();
+        break;
+      case PARAM:
+        parameters.removeFirst();
+        break;
+      case WITH_PARAM:
+        withParameters.removeFirst();
+        break;
+      }
+  }
+
+  public boolean containsKey(QName name, int type)
+  {
+    if (global)
+      {
+        Map<QName,Object> ctx1 = variables.getLast();
+        Map<QName,Object> ctx2 = parameters.getLast();
+        return (ctx1.containsKey(name) || ctx2.containsKey(name));
+      }
+    Iterator<Map<QName,Object>> i = null;
+    switch (type)
+      {
+      case VARIABLE:
+        i = variables.iterator();
+        break;
+      case PARAM:
+        i = parameters.iterator();
+        break;
+      case WITH_PARAM:
+        Map<QName,Object> ctx = withParameters.getFirst();
+        return ctx.containsKey(name);
+      }
+    if (i != null)
+      {
+        while (i.hasNext())
+          {
+            Map<QName,Object> ctx = i.next();
+            if (ctx.containsKey(name))
+              {
+                return true;
+              }
+          }
+      }
+    return false;
+  }
+
+  public Object get(QName name, Node context, int pos, int len)
+  {
+    if (global)
+      {
+        Map<QName,Object> ctx = variables.getLast();
+        Object ret = ctx.get(name);
+        if (ret == null)
+          {
+            ctx = parameters.getLast();
+            ret = ctx.get(name);
+          }
+        return ret;
+      }
+    //System.err.println("bindings.get: "+name);
+    //System.err.println("\t"+toString());
+    Object ret = null;
+    //if (parameters.size() > 1 && containsKey(name, PARAM))
+      // check that template defines parameter
+      {
+        Map<QName,Object> cwp = withParameters.getFirst();
+        ret = cwp.get(name);
+        //System.err.println("\twith-param: ret="+ret);
+      }
+    if (ret == null)
+      {
+        for (Iterator<Map<QName,Object>> i = variables.iterator();
+             i.hasNext() && ret == null; )
+          {
+            Map<QName,Object> vctx = i.next();
+            ret = vctx.get(name);
+          }
+        //System.err.println("\tvariable: ret="+ret);
+      }
+    if (ret == null)
+      {
+        for (Iterator<Map<QName,Object>> i = parameters.iterator();
+             i.hasNext() && ret == null; )
+          {
+            Map<QName,Object> pctx = i.next();
+            ret = pctx.get(name);
+          }
+        //System.err.println("\tparam: ret="+ret);
+      }
+    /*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(QName name, Object value, int type)
+  {
+    switch (type)
+      {
+      case VARIABLE:
+        Map<QName,Object> vctx = variables.getFirst();
+        vctx.put(name, value);
+        break;
+      case PARAM:
+        Map<QName,Object> pctx = parameters.getFirst();
+        pctx.put(name, value);
+        break;
+      case WITH_PARAM:
+        Map<QName,Object> wctx = withParameters.getFirst();
+        wctx.put(name, value);
+        break;
+      }
+    //System.err.println("Set "+name+"="+value);
+  }
+
+  public Object resolveVariable(QName qName)
+  {
+    return get(qName, null, 1, 1);
+  }
+
+  public String toString()
+  {
+    CPStringBuilder buf = new CPStringBuilder();
+    boolean next = false;
+    Collection<QName> seen = new HashSet<QName>();
+    Map<QName,Object> wctx = withParameters.getFirst();
+    buf.append('(');
+    for (Map.Entry<QName,Object> entry : wctx.entrySet())
+      {
+        if (next)
+          {
+            buf.append(',');
+          }
+        else
+          {
+            next = true;
+          }
+        QName key = entry.getKey();
+        if (!seen.contains(key))
+          {
+            buf.append(key);
+            buf.append('=');
+            buf.append(entry.getValue());
+            seen.add(key);
+          }
+      }
+    buf.append(')');
+    next = false;
+    seen.clear();
+    buf.append('{');
+    for (Map<QName,Object> ctx : variables)
+      {
+        for (Map.Entry<QName,Object> entry : ctx.entrySet())
+          {
+            if (next)
+              {
+                buf.append(',');
+              }
+            else
+              {
+                next = true;
+              }
+            QName key = entry.getKey();
+            if (!seen.contains(key))
+              {
+                buf.append(key);
+                buf.append('=');
+                buf.append(entry.getValue());
+                seen.add(key);
+              }
+          }
+      }
+    buf.append('}');
+    next = false;
+    seen.clear();
+    buf.append('[');
+    for (Map<QName,Object> ctx : parameters)
+      {
+        for (Map.Entry<QName,Object> entry : ctx.entrySet())
+          {
+            if (next)
+              {
+                buf.append(',');
+              }
+            else
+              {
+                next = true;
+              }
+            QName key = entry.getKey();
+            if (!seen.contains(key))
+              {
+                buf.append(key);
+                buf.append('=');
+                buf.append(entry.getValue());
+                seen.add(key);
+              }
+          }
+      }
+    buf.append(']');
+    return buf.toString();
+  }
+
+}