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https://github.com/Ryujinx/GtkSharp.git
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2d83fb3073
The parser will be going away at some point in the future, but we will still need the fixup step. And the fixup step is really more of a preliminary step for the generator anyway.
243 lines
8.5 KiB
C#
243 lines
8.5 KiB
C#
// gapi-fixup.cs - xml alteration engine.
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//
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// Authors:
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// Mike Kestner <mkestner@speakeasy.net>
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// Stephan Sundermann <stephansundermann@gmail.com>
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//
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// Copyright (c) 2003 Mike Kestner
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// Copyright (c) 2013 Stephan Sundermann
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the GNU General Public
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// License as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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namespace GtkSharp.Parsing {
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using System;
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using System.IO;
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using System.Xml;
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using System.Xml.XPath;
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public class Fixup {
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public static int Main (string[] args)
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{
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if (args.Length < 2) {
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Console.WriteLine ("Usage: gapi-fixup --metadata=<filename> --api=<filename> --symbols=<filename>");
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return 0;
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}
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string api_filename = "";
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XmlDocument api_doc = new XmlDocument ();
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XmlDocument meta_doc = new XmlDocument ();
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XmlDocument symbol_doc = new XmlDocument ();
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foreach (string arg in args) {
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if (arg.StartsWith("--metadata=")) {
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string meta_filename = arg.Substring (11);
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try {
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Stream stream = File.OpenRead (meta_filename);
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meta_doc.Load (stream);
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stream.Close ();
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} catch (XmlException e) {
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Console.WriteLine ("Invalid meta file.");
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Console.WriteLine (e);
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return 1;
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}
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} else if (arg.StartsWith ("--api=")) {
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api_filename = arg.Substring (6);
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try {
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Stream stream = File.OpenRead (api_filename);
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api_doc.Load (stream);
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stream.Close ();
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} catch (XmlException e) {
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Console.WriteLine ("Invalid api file.");
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Console.WriteLine (e);
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return 1;
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}
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} else if (arg.StartsWith ("--symbols=")) {
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string symbol_filename = arg.Substring (10);
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try {
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Stream stream = File.OpenRead (symbol_filename);
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symbol_doc.Load (stream);
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stream.Close ();
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} catch (XmlException e) {
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Console.WriteLine ("Invalid api file.");
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Console.WriteLine (e);
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return 1;
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}
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} else {
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Console.WriteLine ("Usage: gapi-fixup --metadata=<filename> --api=<filename>");
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return 1;
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}
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}
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XPathNavigator meta_nav = meta_doc.CreateNavigator ();
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XPathNavigator api_nav = api_doc.CreateNavigator ();
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XPathNodeIterator copy_iter = meta_nav.Select ("/metadata/copy-node");
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while (copy_iter.MoveNext ()) {
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string path = copy_iter.Current.GetAttribute ("path", String.Empty);
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XPathExpression expr = api_nav.Compile (path);
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string parent = copy_iter.Current.Value;
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XPathNodeIterator parent_iter = api_nav.Select (parent);
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bool matched = false;
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while (parent_iter.MoveNext ()) {
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XmlNode parent_node = ((IHasXmlNode)parent_iter.Current).GetNode ();
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XPathNodeIterator path_iter = parent_iter.Current.Clone ().Select (expr);
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while (path_iter.MoveNext ()) {
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XmlNode node = ((IHasXmlNode)path_iter.Current).GetNode ();
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parent_node.AppendChild (node.Clone ());
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}
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matched = true;
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}
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if (!matched)
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Console.WriteLine ("Warning: <copy-node path=\"{0}\"/> matched no nodes", path);
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}
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XPathNodeIterator rmv_iter = meta_nav.Select ("/metadata/remove-node");
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while (rmv_iter.MoveNext ()) {
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string path = rmv_iter.Current.GetAttribute ("path", "");
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XPathNodeIterator api_iter = api_nav.Select (path);
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bool matched = false;
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while (api_iter.MoveNext ()) {
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XmlElement api_node = ((IHasXmlNode)api_iter.Current).GetNode () as XmlElement;
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api_node.ParentNode.RemoveChild (api_node);
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matched = true;
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}
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if (!matched)
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Console.WriteLine ("Warning: <remove-node path=\"{0}\"/> matched no nodes", path);
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}
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XPathNodeIterator add_iter = meta_nav.Select ("/metadata/add-node");
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while (add_iter.MoveNext ()) {
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string path = add_iter.Current.GetAttribute ("path", "");
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XPathNodeIterator api_iter = api_nav.Select (path);
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bool matched = false;
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while (api_iter.MoveNext ()) {
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XmlElement api_node = ((IHasXmlNode)api_iter.Current).GetNode () as XmlElement;
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foreach (XmlNode child in ((IHasXmlNode)add_iter.Current).GetNode().ChildNodes)
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api_node.AppendChild (api_doc.ImportNode (child, true));
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matched = true;
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}
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if (!matched)
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Console.WriteLine ("Warning: <add-node path=\"{0}\"/> matched no nodes", path);
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}
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XPathNodeIterator change_node_type_iter = meta_nav.Select ("/metadata/change-node-type");
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while (change_node_type_iter.MoveNext ()) {
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string path = change_node_type_iter.Current.GetAttribute ("path", "");
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XPathNodeIterator api_iter = api_nav.Select (path);
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bool matched = false;
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while (api_iter.MoveNext ()) {
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XmlElement node = ( (IHasXmlNode) api_iter.Current).GetNode () as XmlElement;
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XmlElement parent = node.ParentNode as XmlElement;
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XmlElement new_node = api_doc.CreateElement (change_node_type_iter.Current.Value);
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foreach (XmlNode child in node.ChildNodes)
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new_node.AppendChild (child.Clone ());
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foreach (XmlAttribute attribute in node.Attributes)
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new_node.Attributes.Append ( (XmlAttribute) attribute.Clone ());
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parent.ReplaceChild (new_node, node);
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matched = true;
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}
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if (!matched)
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Console.WriteLine ("Warning: <change-node-type path=\"{0}\"/> matched no nodes", path);
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}
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XPathNodeIterator attr_iter = meta_nav.Select ("/metadata/attr");
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while (attr_iter.MoveNext ()) {
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string path = attr_iter.Current.GetAttribute ("path", "");
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string attr_name = attr_iter.Current.GetAttribute ("name", "");
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XPathNodeIterator api_iter = api_nav.Select (path);
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bool matched = false;
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while (api_iter.MoveNext ()) {
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XmlElement node = ((IHasXmlNode)api_iter.Current).GetNode () as XmlElement;
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node.SetAttribute (attr_name, attr_iter.Current.Value);
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matched = true;
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}
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if (!matched)
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Console.WriteLine ("Warning: <attr path=\"{0}\"/> matched no nodes", path);
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}
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XPathNodeIterator move_iter = meta_nav.Select ("/metadata/move-node");
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while (move_iter.MoveNext ()) {
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string path = move_iter.Current.GetAttribute ("path", "");
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XPathExpression expr = api_nav.Compile (path);
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string parent = move_iter.Current.Value;
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XPathNodeIterator parent_iter = api_nav.Select (parent);
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bool matched = false;
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while (parent_iter.MoveNext ()) {
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XmlNode parent_node = ((IHasXmlNode)parent_iter.Current).GetNode ();
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XPathNodeIterator path_iter = parent_iter.Current.Clone ().Select (expr);
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while (path_iter.MoveNext ()) {
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XmlNode node = ((IHasXmlNode)path_iter.Current).GetNode ();
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parent_node.AppendChild (node.Clone ());
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node.ParentNode.RemoveChild (node);
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}
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matched = true;
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}
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if (!matched)
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Console.WriteLine ("Warning: <move-node path=\"{0}\"/> matched no nodes", path);
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}
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XPathNodeIterator remove_attr_iter = meta_nav.Select ("/metadata/remove-attr");
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while (remove_attr_iter.MoveNext ()) {
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string path = remove_attr_iter.Current.GetAttribute ("path", "");
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string name = remove_attr_iter.Current.GetAttribute ("name", "");
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XPathNodeIterator api_iter = api_nav.Select (path);
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bool matched = false;
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while (api_iter.MoveNext ()) {
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XmlElement node = ( (IHasXmlNode) api_iter.Current).GetNode () as XmlElement;
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node.RemoveAttribute (name);
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matched = true;
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}
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if (!matched)
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Console.WriteLine ("Warning: <remove-attr path=\"{0}\"/> matched no nodes", path);
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}
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if (symbol_doc != null) {
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XPathNavigator symbol_nav = symbol_doc.CreateNavigator ();
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XPathNodeIterator iter = symbol_nav.Select ("/api/*");
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while (iter.MoveNext ()) {
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XmlNode sym_node = ((IHasXmlNode)iter.Current).GetNode ();
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XPathNodeIterator parent_iter = api_nav.Select ("/api");
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if (parent_iter.MoveNext ()) {
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XmlNode parent_node = ((IHasXmlNode)parent_iter.Current).GetNode ();
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parent_node.AppendChild (api_doc.ImportNode (sym_node, true));
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}
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}
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}
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api_doc.Save (api_filename);
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return 0;
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}
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}
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}
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