示例#1
0
        private static void SetupAddIn(XmlReader reader, AddIn addIn, string hintPath)
        {
            while (reader.Read())
            {
                if (reader.NodeType == XmlNodeType.Element && reader.IsStartElement())
                {
                    switch (reader.LocalName)
                    {
                    case "StringResources":
                    case "BitmapResources":
                        if (reader.AttributeCount != 1)
                        {
                            throw new AddInLoadException("BitmapResources requires ONE attribute.");
                        }

                        string filename = StringParser.Parse(reader.GetAttribute("file"));

                        if (reader.LocalName == "BitmapResources")
                        {
                            addIn.BitmapResources.Add(filename);
                        }
                        else
                        {
                            addIn.StringResources.Add(filename);
                        }
                        break;

                    case "Runtime":
                        if (!reader.IsEmptyElement)
                        {
                            Runtime.ReadSection(reader, addIn, hintPath);
                        }
                        break;

                    case "Include":
                        if (reader.AttributeCount != 1)
                        {
                            throw new AddInLoadException("Include requires ONE attribute.");
                        }
                        if (!reader.IsEmptyElement)
                        {
                            throw new AddInLoadException("Include nodes must be empty!");
                        }
                        if (hintPath == null)
                        {
                            throw new AddInLoadException("Cannot use include nodes when hintPath was not specified (e.g. when AddInManager reads a .addin file)!");
                        }
                        string            fileName = Path.Combine(hintPath, reader.GetAttribute(0));
                        XmlReaderSettings xrs      = new XmlReaderSettings();
                        xrs.ConformanceLevel = ConformanceLevel.Fragment;
                        using (XmlReader includeReader = XmlTextReader.Create(fileName, xrs))
                        {
                            SetupAddIn(includeReader, addIn, Path.GetDirectoryName(fileName));
                        }
                        break;

                    case "Path":
                        if (reader.AttributeCount != 1)
                        {
                            throw new AddInLoadException("Import node requires ONE attribute.");
                        }
                        string        pathName      = reader.GetAttribute(0);
                        ExtensionPath extensionPath = addIn.GetExtensionPath(pathName);
                        if (!reader.IsEmptyElement)
                        {
                            ExtensionPath.SetUp(extensionPath, reader, "Path");
                        }
                        break;

                    case "Manifest":
                        addIn.Manifest.ReadManifestSection(reader, hintPath);
                        break;

                    default:
                        throw new AddInLoadException("Unknown root path node:" + reader.LocalName);
                    }
                }
            }
        }