/// <summary>
/// Copies an xml file from an archive or directory path and unpacks it from binary Xml to human-readable Xml
/// </summary>
/// <param name="xmlUnpack">The Xml unpack instructions object</param>
/// <param name="unpackBuilder">The stringBuilder to log the generated files location for the install log</param>
public static bool UnpackXmlFile(XmlUnpack xmlUnpack, StringBuilder unpackBuilder)
{
//log info for debugging if need be
Logging.Info(xmlUnpack.DumpInfoToLog);
//check if new destination name for replacing
string destinationFilename = string.IsNullOrWhiteSpace(xmlUnpack.NewFileName) ? xmlUnpack.FileName : xmlUnpack.NewFileName;
string destinationCompletePath = Path.Combine(xmlUnpack.ExtractDirectory, destinationFilename);
string sourceCompletePath = Path.Combine(xmlUnpack.DirectoryInArchive, xmlUnpack.FileName);
//if the destination file already exists, then don't copy it over
if (File.Exists(destinationCompletePath))
{
Logging.Info("Replacement file already exists, skipping");
return(true);
}
FileUtils.Unpack(xmlUnpack.Pkg, sourceCompletePath, destinationCompletePath);
unpackBuilder.AppendLine(destinationCompletePath);
Logging.Info("unpacking Xml binary file (if binary)");
try
{
XmlBinaryHandler binaryHandler = new XmlBinaryHandler();
binaryHandler.UnpackXmlFile(destinationCompletePath);
return(true);
}
catch (Exception xmlUnpackExceptino)
{
Logging.Exception(xmlUnpackExceptino.ToString());
return(false);
}
}
/// <summary>
/// Parse a list of Xml unpack instructions from an Xml file into XmlUnpack objects
/// </summary>
/// <param name="xmlUnpacks">The list of XmlUnpacks to parse into</param>
/// <param name="filename">The name of the file to parse from</param>
public static void AddXmlUnpackFromFile(List <XmlUnpack> xmlUnpacks, string filename)
{
//make an Xml document to get all Xml Unpacks
XmlDocument doc = LoadXmlDocument(filename, XmlLoadType.FromFile);
if (doc == null)
{
Logging.Error("failed to parse Xml file");
return;
}
//make new patch object for each entry
//remember to add lots of logging
XmlNodeList XMLUnpacks = GetXmlNodesFromXPath(doc, "//files/file");
if (XMLUnpacks == null || XMLUnpacks.Count == 0)
{
Logging.Error("File {0} contains no XmlUnapck entries", filename);
return;
}
Logging.Info("Adding {0} Xml unpack entries from file: {1}", XMLUnpacks.Count, filename);
foreach (XmlNode patchNode in XMLUnpacks)
{
XmlUnpack xmlup = new XmlUnpack();
//we have the patchNode "patch" object, now we need to get it's children to actually get the properties of said patch
foreach (XmlNode property in patchNode.ChildNodes)
{
//each element in the Xml gets put into the
//the corresponding attribute for the Patch instance
switch (property.Name)
{
case "pkg":
xmlup.Pkg = property.InnerText.Trim();
break;
case "directoryInArchive":
xmlup.DirectoryInArchive = property.InnerText.Trim();
break;
case "fileName":
xmlup.FileName = property.InnerText.Trim();
break;
case "extractDirectory":
xmlup.ExtractDirectory = property.InnerText.Trim();
break;
case "newFileName":
xmlup.NewFileName = property.InnerText.Trim();
break;
}
}
xmlUnpacks.Add(xmlup);
}
}
