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-rw-r--r--mcs/class/System.XML/System.Xml.XPath/Iterator.cs568
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diff --git a/mcs/class/System.XML/System.Xml.XPath/Iterator.cs b/mcs/class/System.XML/System.Xml.XPath/Iterator.cs
deleted file mode 100644
index d0cf8daecdb..00000000000
--- a/mcs/class/System.XML/System.Xml.XPath/Iterator.cs
+++ /dev/null
@@ -1,568 +0,0 @@
-//
-// System.Xml.XPath.BaseIterator
-//
-// Author:
-// Piers Haken (piersh@friskit.com)
-//
-// (C) 2002 Piers Haken
-//
-
-using System;
-using System.Collections;
-using System.Xml;
-using System.Xml.XPath;
-using System.Xml.Xsl;
-
-namespace System.Xml.XPath
-{
-/*
- internal abstract class XPathNodeIterator : ICloneable
- {
- private int _count;
-
- #region Constructor
-
- protected XPathNodeIterator () {}
-
- #endregion
-
- #region Properties
-
- public virtual int Count
- {
- get
- {
- if (_count == 0)
- {
- // compute and cache the count
- XPathNodeIterator tmp = Clone ();
- while (tmp.MoveNext ())
- ;
- _count = tmp.CurrentPosition;
- }
- return _count;
- }
- }
-
- public abstract XPathNavigator Current { get; }
-
- public abstract int CurrentPosition { get; }
-
- #endregion
-
- #region Methods
-
- public abstract XPathNodeIterator Clone ();
-
- object ICloneable.Clone ()
- {
- return Clone ();
- }
-
- public abstract bool MoveNext ();
-
- #endregion
- }
-*/
-
- internal abstract class BaseIterator : XPathNodeIterator
- {
- private XsltContext _context;
-
- internal BaseIterator (BaseIterator other)
- {
- _context = other._context;
- }
- internal BaseIterator (XsltContext context)
- {
- _context = context;
- }
-
- public XsltContext Context { get { return _context; } }
-
- public override string ToString ()
- {
- return Current.NodeType.ToString () + "[" + CurrentPosition + "] : " + Current.Name + " = " + Current.Value;
- }
- }
-
- internal class UnionIterator : BaseIterator
- {
- protected ArrayList _iters = new ArrayList ();
- protected int _pos;
- protected int _index;
-
- public UnionIterator (BaseIterator iter ) : base (iter) {}
- protected UnionIterator (UnionIterator other) : base (other)
- {
- foreach (object obj in other._iters)
- _iters.Add (obj);
- _pos = other._pos;
- _index = other._index;
- }
- public override XPathNodeIterator Clone () { return new UnionIterator (this); }
-
- public void Add (BaseIterator iter)
- {
- _iters.Add (iter);
- }
-
- public override bool MoveNext ()
- {
- while (_index < _iters.Count)
- {
- BaseIterator iter = (BaseIterator) _iters [_index];
- if (iter.MoveNext ())
- {
- _pos ++;
- return true;
- }
- _index ++;
- }
- return false;
- }
- public override XPathNavigator Current
- {
- get
- {
- if (_index >= _iters.Count)
- return null;
- BaseIterator iter = (BaseIterator) _iters [_index];
- return iter.Current;
- }
- }
- public override int CurrentPosition { get { return _pos; }}
- }
-
- internal abstract class SimpleIterator : BaseIterator
- {
- protected XPathNavigator _nav;
- protected int _pos;
-
- public SimpleIterator (BaseIterator iter) : base (iter)
- {
- _nav = iter.Current.Clone ();
- }
- protected SimpleIterator (SimpleIterator other) : base (other)
- {
- _nav = other._nav.Clone ();
- _pos = other._pos;
- }
- public SimpleIterator (XPathNavigator nav, XsltContext context) : base (context)
- {
- _nav = nav.Clone ();
- }
-
- public override XPathNavigator Current { get { return _nav; }}
- public override int CurrentPosition { get { return _pos; }}
- }
-
- internal class SelfIterator : SimpleIterator
- {
- public SelfIterator (BaseIterator iter) : base (iter) {}
- public SelfIterator (XPathNavigator nav, XsltContext context) : base (nav, context) {}
- protected SelfIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new SelfIterator (this); }
- public override bool MoveNext ()
- {
- if (_pos == 0)
- {
- _pos = 1;
- return true;
- }
- return false;
- }
- }
-
- internal class ParentIterator : SimpleIterator
- {
- public ParentIterator (BaseIterator iter) : base (iter) {}
- protected ParentIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new ParentIterator (this); }
- public override bool MoveNext ()
- {
- if (_pos == 0 && _nav.MoveToParent ())
- {
- _pos = 1;
- return true;
- }
- return false;
- }
- }
-
- internal class ChildIterator : SimpleIterator
- {
- public ChildIterator (BaseIterator iter) : base (iter) {}
- protected ChildIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new ChildIterator (this); }
- public override bool MoveNext ()
- {
- bool fSuccess = (_pos == 0) ? _nav.MoveToFirstChild () : _nav.MoveToNext ();
- if (fSuccess)
- _pos ++;
- return fSuccess;
- }
- }
-
- internal class FollowingSiblingIterator : SimpleIterator
- {
- public FollowingSiblingIterator (BaseIterator iter) : base (iter) {}
- protected FollowingSiblingIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new FollowingSiblingIterator (this); }
- public override bool MoveNext ()
- {
- if (_nav.MoveToNext ())
- {
- _pos ++;
- return true;
- }
- return false;
- }
- }
-
- internal class PrecedingSiblingIterator : SimpleIterator
- {
- public PrecedingSiblingIterator (BaseIterator iter) : base (iter) {}
- protected PrecedingSiblingIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new PrecedingSiblingIterator (this); }
- public override bool MoveNext ()
- {
- if (_nav.MoveToPrevious ())
- {
- _pos ++;
- return true;
- }
- return false;
- }
- }
-
- internal class AncestorIterator : SimpleIterator
- {
- public AncestorIterator (BaseIterator iter) : base (iter) {}
- protected AncestorIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new AncestorIterator (this); }
- public override bool MoveNext ()
- {
- if (_nav.MoveToParent ())
- {
- _pos ++;
- return true;
- }
- return false;
- }
- }
-
- internal class AncestorOrSelfIterator : UnionIterator
- {
- public AncestorOrSelfIterator (BaseIterator iter) : base (iter)
- {
- Add (new SelfIterator (iter));
- Add (new AncestorIterator (iter));
- }
- protected AncestorOrSelfIterator (UnionIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new AncestorOrSelfIterator (this); }
- }
-
- internal class DescendantIterator : SimpleIterator
- {
- protected int _depth;
- public DescendantIterator (BaseIterator iter) : base (iter) {}
- protected DescendantIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new DescendantIterator (this); }
- [MonoTODO]
- public override bool MoveNext ()
- {
- if (_nav.MoveToFirstChild ())
- {
- _depth ++;
- _pos ++;
- return true;
- }
- while (_depth != 0)
- {
- if (_nav.MoveToNext ())
- {
- _pos ++;
- return true;
- }
- if (!_nav.MoveToParent ()) // should NEVER fail!
- throw new Exception ("unexpected depth"); // TODO: better message
- _depth --;
- }
- return false;
- }
- }
-
- internal class DescendantOrSelfIterator : UnionIterator
- {
- public DescendantOrSelfIterator (BaseIterator iter) : base (iter)
- {
- Add (new SelfIterator (iter));
- Add (new DescendantIterator (iter));
- }
- protected DescendantOrSelfIterator (UnionIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new DescendantOrSelfIterator (this); }
- }
-
- internal class FollowingIterator : SimpleIterator
- {
- public FollowingIterator (BaseIterator iter) : base (iter) {}
- protected FollowingIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new FollowingIterator (this); }
- public override bool MoveNext ()
- {
- if (_pos == 0)
- {
- if (_nav.MoveToNext ())
- {
- _pos ++;
- return true;
- }
- }
- else
- {
- if (_nav.MoveToFirstChild ())
- {
- _pos ++;
- return true;
- }
- do
- {
- if (_nav.MoveToNext ())
- {
- _pos ++;
- return true;
- }
- }
- while (_nav.MoveToParent ());
- }
- return false;
- }
- }
-
- internal class PrecedingIterator : SimpleIterator
- {
- public PrecedingIterator (BaseIterator iter) : base (iter) {}
- protected PrecedingIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new PrecedingIterator (this); }
- public override bool MoveNext ()
- {
- if (_pos == 0)
- {
- if (_nav.MoveToPrevious ())
- {
- _pos ++;
- return true;
- }
- }
- else
- {
- if (_nav.MoveToFirstChild ())
- {
- while (_nav.MoveToNext ())
- ;
- _pos ++;
- return true;
- }
- do
- {
- if (_nav.MoveToPrevious ())
- {
- _pos ++;
- return true;
- }
- }
- while (_nav.MoveToParent ());
- }
- return false;
- }
- }
-
- internal class NamespaceIterator : SimpleIterator
- {
- public NamespaceIterator (BaseIterator iter) : base (iter) {}
- protected NamespaceIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new NamespaceIterator (this); }
- public override bool MoveNext ()
- {
- if (_pos == 0)
- {
- if (_nav.MoveToFirstNamespace ())
- {
- _pos ++;
- return true;
- }
- }
- else if (_nav.MoveToNextNamespace ())
- {
- _pos ++;
- return true;
- }
- return false;
- }
- }
-
- internal class AttributeIterator : SimpleIterator
- {
- public AttributeIterator (BaseIterator iter) : base (iter) {}
- protected AttributeIterator (SimpleIterator other) : base (other) {}
- public override XPathNodeIterator Clone () { return new AttributeIterator (this); }
- public override bool MoveNext ()
- {
- if (_pos == 0)
- {
- if (_nav.MoveToFirstAttribute ())
- {
- _pos += 1;
- return true;
- }
- }
- else if (_nav.MoveToNextAttribute ())
- {
- _pos ++;
- return true;
- }
- return false;
- }
- }
-
- internal class AxisIterator : BaseIterator
- {
- protected BaseIterator _iter;
- protected NodeTest _test;
- protected int _pos;
-
- public AxisIterator (BaseIterator iter, NodeTest test) : base (iter)
- {
- _iter = iter;
- _test = test;
- }
-
- protected AxisIterator (AxisIterator other) : base (other)
- {
- _iter = (BaseIterator) other._iter.Clone ();
- _test = other._test;
- _pos = other._pos;
- }
- public override XPathNodeIterator Clone () { return new AxisIterator (this); }
-
- public override bool MoveNext ()
- {
- while (_iter.MoveNext ())
- {
- if (_test.Match (Context, Current))
- {
- _pos ++;
- return true;
- }
- }
- return false;
- }
- public override XPathNavigator Current { get { return _iter.Current; }}
- public override int CurrentPosition { get { return _pos; }}
- }
-
- internal class SlashIterator : BaseIterator
- {
- protected BaseIterator _iterLeft;
- protected BaseIterator _iterRight;
- protected Expression _expr;
- protected int _pos;
-
- public SlashIterator (BaseIterator iter, Expression expr) : base (iter)
- {
- _iterLeft = iter;
- _expr = expr;
- }
-
- protected SlashIterator (SlashIterator other) : base (other)
- {
- _iterLeft = (BaseIterator) other._iterLeft.Clone ();
- _iterRight = (BaseIterator) other._iterRight.Clone ();
- _expr = other._expr;
- _pos = other._pos;
- }
- public override XPathNodeIterator Clone () { return new SlashIterator (this); }
-
- public override bool MoveNext ()
- {
- while (_iterRight == null || !_iterRight.MoveNext ())
- {
- if (!_iterLeft.MoveNext ())
- return false;
- _iterRight = _expr.EvaluateNodeSet (_iterLeft);
- }
- _pos ++;
- return true;
- }
- public override XPathNavigator Current { get { return _iterRight.Current; }}
- public override int CurrentPosition { get { return _pos; }}
- }
- internal class PredicateIterator : BaseIterator
- {
- protected BaseIterator _iter;
- protected Expression [] _preds;
- protected int _pos;
-
- public PredicateIterator (BaseIterator iter, Expression [] preds) : base (iter)
- {
- _iter = iter;
- _preds = preds;
- }
-
- protected PredicateIterator (PredicateIterator other) : base (other)
- {
- _iter = (BaseIterator) other._iter.Clone ();
- _preds = other._preds;
- _pos = other._pos;
- }
- public override XPathNodeIterator Clone () { return new PredicateIterator (this); }
-
- public override bool MoveNext ()
- {
- while (_iter.MoveNext ())
- {
- bool fTrue = true;
- foreach (Expression pred in _preds)
- {
- if (!pred.EvaluateBoolean ((BaseIterator) _iter.Clone ()))
- {
- fTrue = false;
- break;
- }
- }
- if (fTrue)
- return true;
- }
- return false;
- }
- public override XPathNavigator Current { get { return _iter.Current; }}
- public override int CurrentPosition { get { return _pos; }}
- }
- internal class ArrayListIterator : BaseIterator
- {
- protected ArrayList _rgNodes;
- protected int _pos;
-
- public ArrayListIterator (BaseIterator iter, ArrayList rgNodes) : base (iter)
- {
- _rgNodes = rgNodes;
- }
-
- protected ArrayListIterator (ArrayListIterator other) : base (other)
- {
- _rgNodes = other._rgNodes;
- }
- public override XPathNodeIterator Clone () { return new ArrayListIterator (this); }
-
- public override bool MoveNext ()
- {
- if (_pos >= _rgNodes.Count)
- return false;
- _pos++;
- return true;
- }
- public override XPathNavigator Current { get { return (XPathNavigator) _rgNodes [_pos - 1]; }}
- public override int CurrentPosition { get { return _pos; }}
- }
-}
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