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/***************************************************************************
* XmlInjector.cs
*
* Copyright (C) 2008 Brian Nickel
* Written by Brian Nickel (brian.nickel@gmail.com)
****************************************************************************/
/* THIS FILE IS LICENSED UNDER THE MIT LICENSE AS OUTLINED IMMEDIATELY BELOW:
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
using System;
using System.Xml;
public static class XmlInjector
{
public static int Main (string [] args)
{
if (args.Length != 2) {
Console.WriteLine ("XmlInjector.exe ACTIONFILE.XML ACTION_NAME");
return 1;
}
XmlDocument doc = new XmlDocument ();
try {
doc.Load (args [0]);
} catch {
Console.WriteLine ("Could not open {0}.", args [0]);
return 1;
}
string dir = System.IO.Directory.GetParent (args [0]).FullName;
Console.WriteLine ("Setting working directory to {0}.", dir);
System.IO.Directory.SetCurrentDirectory (dir);
string path = string.Format ("//ActionSet[@Name='{0}']/File[@Path]", args [1]);
foreach (XmlNode node in doc.SelectNodes (path))
if (!RunFileAction (node))
return 1;
return 0;
}
private static bool RunFileAction (XmlNode fileElement)
{
string path = GetAttribute (fileElement, "Path");
XmlDocument doc = new XmlDocument ();
try {
doc.Load (path);
} catch {
Console.WriteLine ("ERROR: Could not open {0}.", path);
return false;
}
Console.WriteLine ("Processing {0}...", path);
foreach (XmlNode element in fileElement.SelectNodes ("Replace"))
if (!ReplaceNode (fileElement.OwnerDocument, doc, element))
return false;
foreach (XmlNode element in fileElement.SelectNodes ("Insert"))
if (!InsertNode (fileElement.OwnerDocument, doc, element))
return false;
foreach (XmlNode element in fileElement.SelectNodes ("Remove"))
if (!RemoveNodes (doc, element))
return false;
doc.Save (path);
Console.WriteLine ("{0} saved.", path);
return true;
}
private static bool ReplaceNode (XmlDocument sourceDocument,
XmlDocument targetDocument,
XmlNode replaceElement)
{
string sourcePath = GetAttribute (replaceElement, "Source");
string targetPath = GetAttribute (replaceElement, "Target");
if (OperationNotNeccessary (targetDocument, replaceElement)) {
Console.WriteLine (" Skipping replacement of {0}.", targetPath);
return true;
}
Console.WriteLine (" Replacing {0}.", targetPath);
XmlNode sourceNode = sourcePath == null ? null : sourceDocument.SelectSingleNode (sourcePath);
XmlNode targetNode = targetPath == null ? null : targetDocument.SelectSingleNode (targetPath);
if (sourceNode == null)
sourceNode = replaceElement.FirstChild;
if (sourceNode == null) {
Console.WriteLine ("ERROR: Could not find source node: {0}", sourcePath);
return false;
}
if (targetNode == null) {
Console.WriteLine ("ERROR: Could not find target node: {0}", targetPath);
return false;
}
targetNode.ParentNode.ReplaceChild (targetDocument.ImportNode (sourceNode, true), targetNode);
return true;
}
private static bool InsertNode (XmlDocument sourceDocument, XmlDocument targetDocument, XmlNode insertElement)
{
string sourcePath = GetAttribute (insertElement, "Source");
string targetPath = GetAttribute (insertElement, "Target");
if (OperationNotNeccessary (targetDocument, insertElement)) {
Console.WriteLine (" Skipping insertion into {0}.", targetPath);
return true;
}
Console.WriteLine (" Inserting into {0}.", targetPath);
XmlNode sourceNode = sourcePath == null ? null : sourceDocument.SelectSingleNode (sourcePath);
XmlNode targetNode = targetPath == null ? null : targetDocument.SelectSingleNode (targetPath);
if (sourceNode == null)
sourceNode = insertElement.FirstChild;
if (sourceNode == null) {
Console.WriteLine ("ERROR: Could not find source node: {0}", sourcePath);
return false;
}
if (targetNode == null) {
Console.WriteLine ("ERROR: Could not find target node: {0}", targetPath);
return false;
}
targetNode.AppendChild (targetDocument.ImportNode (sourceNode, true));
return true;
}
private static bool RemoveNodes (XmlDocument targetDocument,
XmlNode removeElement)
{
string targetPath = GetAttribute (removeElement, "Target");
if (OperationNotNeccessary (targetDocument, removeElement)) {
Console.WriteLine (" Skipping removal of {0}.", targetPath);
return true;
}
Console.WriteLine (" Removing {0}.", targetPath);
while (true) {
XmlNode targetNode = targetDocument.SelectSingleNode (targetPath);
if (targetNode == null)
return true;
targetNode.ParentNode.RemoveChild (targetNode);
}
}
private static bool OperationNotNeccessary (XmlDocument targetDocument, XmlNode actionElement)
{
string ifMissingPath = GetAttribute (actionElement, "IfMissing");
if (ifMissingPath != null && targetDocument.SelectSingleNode (ifMissingPath) != null)
return true;
return false;
}
private static string GetAttribute (XmlNode node, string attribute)
{
XmlAttribute xmlAttr = node.Attributes [attribute];
return xmlAttr == null ? null : xmlAttr.Value;
}
}
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