85 lines
3.6 KiB
C#
85 lines
3.6 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Xml;
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using ANX.Framework.Content.Pipeline.Serialization;
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using ANX.Framework.NonXNA.Development;
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namespace ANX.Framework.Content.Pipeline.Importer
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{
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[ContentImporter("ANX XML Importer", ".xml")]
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[Developer("SilentWarrior / Eagle Eye Studios")]
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[PercentageComplete(20)]
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public class XmlImporter : ContentImporter<object>
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{
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public override object Import(string filename, ContentImporterContext context)
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{
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object result;
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context.Logger.LogMessage("Checking if file exists.");
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if (!File.Exists(filename))
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throw new InvalidContentException("The XML file \"" + filename + "\" could not be found.");
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context.Logger.LogMessage("Starting analysis of the XML file.");
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using (XmlReader xml = XmlReader.Create(filename))
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{
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//Check if XML contains XnaContent or AnxContent root element
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context.Logger.LogMessage("Checking for root element.");
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if (!xml.CheckForElement("XnaContent") && !xml.CheckForElement("AnxContent"))
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throw new InvalidContentException("The given XML file does not contain Xna or Anx readable content! Did you forget the \"<XnaContent>\" or \"<AnxContent>\"?");
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//Check which type is beeing described in the XML
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var type = GetType(xml, context.Logger);
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//Create an instance of that type and fill it with the appropriate stuff
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result = ReadObject(xml, type, context.Logger);
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}
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return result;
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}
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private Type GetType(XmlReader xml, ContentBuildLogger logger)
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{
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logger.LogMessage("Moving reader to type attribute of the first asset node.");
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xml.ReadStartElement("Asset");
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xml.MoveToAttribute("Type");
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logger.LogMessage("Trying to read a type from the Xml file");
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var type = Type.GetType(xml.ReadContentAsString());
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if (type == null)
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throw new InvalidContentException("Error during deserialization: Type is null. Is there a valid Type attribute in the Asset section of your Xml file?");
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logger.LogImportantMessage("Type is" + type);
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return type;
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}
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private object ReadObject(XmlReader reader, Type type, ContentBuildLogger logger)
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{
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//TODO: Get all other elements from the xml file and add them to a dictionary.
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var props = new Dictionary<string, object>();
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while (!reader.EOF)
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{
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if (reader.NodeType == XmlNodeType.Element)
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{
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if (!reader.HasValue && !reader.IsEmptyElement) //we have an element without value and that is not empty, that's suspicious!
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{
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//Is it really empty? Maybe it's a list or a dictionary?
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System.Diagnostics.Debugger.Break();
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}
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else
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props.Add(reader.Name, reader.ReadElementContentAsObject());
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}
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}
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System.Diagnostics.Debugger.Break();
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//TODO: Get all public properties of the class via reflection
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//Activate instance
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var result = Activator.CreateInstance(type);
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//TODO: Check if there is a pendant for every entry
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//TODO: Match every property with its value
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//Return the whole construct
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return result;
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}
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}
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}
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