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==Patch file operations==
==Patch file operations==
Patch files are mainly used for two purposes: to create a list of commands within one file that you can pass to XmlTools to execute all at once, and to use [[wikipedia:JavaScript|JavaScript]] code to modify the XML.
Patch files are mainly used for two purposes: to create a list of commands within one file that you can pass to XmlTools to execute all at once, to remove XML nodes, to insert new XML nodes and to use [[wikipedia:JavaScript|JavaScript]] code to modify the XML.


To make a patch, create a plain-text file that uses the following commands and pass it to XmlTools using the <tt>patchfile</tt> command documented above. See [[Making a patch mod|HERE]] for instructions on making a patch mod package for the AE and [[Anniversary Edition/Framework#XML patching|HERE]] to learn how the [[AEI]] handles patch mods.
To make a patch, create a plain-text file that uses the following commands and pass it to XmlTools using the <tt>patchfile</tt> command documented above. See [[Making a patch mod|HERE]] for instructions on making a patch mod package for the AE and [[Anniversary Edition/Framework#XML patching|HERE]] to learn how the [[AEI]] handles patch mods.


Arguments in square brackets are optional.
Comments in patch files begin with '#'.


<tt>@ADDTO Element <quoted tag name> [ParentElement <quoted tag name>] [File <quoted file name>]</tt>
===Operations===
:Adds the raw XML that follows to the named array tag.
@ADDTO Element "Particles"
<xml>
    <Particle>
      <Start>0</Start>
      <End>45</End>
      <Bone>Head</Bone>
      <Name>glass_break</Name>
    </Particle>
</xml>


<tt>@REMOVE Element <quoted tag name> [ParentElement <quoted tag name>] [File <quoted file name>]</tt>
Operations in patch files always begin with '@'. The operations options use [http://c2.com/cgi/wiki?PascalCase pascal casing].
:Removes named element from the array tag named by ParentElement.


<tt>@COMMAND <command-line string></tt>
<tt>@XML_TOOLS</tt>
:Runs any of the commands available under "Command-line operations" above. Use standard command-line syntax described in that section, including <tt>-filename</tt>.
:XmlTools information. Right now is only used to specify the executable minimum version for the current patch file;
@COMMAND invert -element:Height -parelement:Heights -filename:test.xml


<tt>@CUSTOMCODE [File <quoted file name>]</tt>
<tt>@ADD_INSIDE_NODES</tt>
:Executes the JavaScript code inside a <tt><nowiki><code></nowiki></tt> tag. <u>You should avoid this method when possible</u> because it is much slower than the native XmlTools commands.
:Adds new XML nodes;
:The XML library that you can use in your JavaScript code is called ''W3C DOM Parser'' and its documentation is available [http://xmljs.sourceforge.net/website/documentation-w3cdom.html here]. The most important thing to know about the DOM Parser is that the contents of the XML file are saved in the global variable ''$xmlData''. So you will need to access it to edit the XML. Make sure that after the editing process you update ''$xmlData'' with the new XML so the file gets correctly edited.


Here is a sample usage for <tt>@CUSTOMCODE</tt>:
<tt>@REMOVE_NODES</tt>
:Removes existing XML nodes;


Sample XML file to be patched:
<tt>@COMMAND</tt>
<Oni>
:Runs any of the commands available under "Command-line options" above. Use standard command-line syntax described in that section;
  <Animation>
    <Lookup>
      <Type>KickForward</Type>
      <AimingType>KickForward</AimingType>
      <FromState>RunBackStart</FromState>
      <ToState>Standing</ToState>
      <Varient>Combat</Varient>
      <FirstLevel>4</FirstLevel><span style="color:#008000"><nowiki><!--</nowiki>The JavaScript code below will change this tag's value from 4 to 0--></span>
      ...
      </Lookup>
  </Animation>
</Oni>


<tt>@CUSTOM_CODE</tt>
:Executes the [[wikipedia:JavaScript|JavaScript]] code for XML editing. <u>You should avoid this operation as much as possible</u> because it is much slower than the native XmlTools commands;


XmlTools patch file contents:
===Operations inputs===
@CUSTOMCODE
 
<nowiki><code></nowiki>
The values of the following options inputs must be <u>always</u> inside of quotes ("").
  var parser = new DOMImplementation(); <span style="color:#008000">// instantiate the W3C DOM Parser</span>
 
  var domDoc = parser.loadXML($xmlData); <span style="color:#008000">// load the XML into the parser and get the DOMDocument, using $xmlData variable</span>
<tt>Files</tt>
  var levelNode = domDoc.getDocumentElement().getElementsByTagName("FirstLevel").item(0).firstChild;
:description;
  if (levelNode.toString() == "4")
 
      levelNode.setNodeValue("0"); <span style="color:#008000">// change level from 4 to 0</span>
<tt>ElementName</tt>
  $xmlData = domDoc.getDocumentElement().getXML(); <span style="color:#008000">// update the global variable with the new XML</span>
:description;
<nowiki></code></nowiki>
 
<tt>ParentElementName</tt>
Note that if you don't use the optional <tt>File <quoted file name></tt> argument, the operation will be applied over all the XML files in the same directory as xmlTools.exe -- unless you used the <tt>-forceinfiles</tt> argument along with the <tt>patchfile</tt> command as described in that command's documentation. Note that the <tt>File</tt> argument allows wildcards ('*', '?').
:description;
 
<tt>AttributeName</tt>
:description;
 
<tt>AttributeValue</tt>
:description;
 
<tt>XPathExpression</tt>
:description;
 
<tt>Options</tt>
:description;


[[Category:Bi-platform modding tools]][[Category:Completed modding tools]][[Category:Modding tutorials]]
[[Category:Bi-platform modding tools]][[Category:Completed modding tools]][[Category:Modding tutorials]]
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