{"id":3635,"date":"2012-08-13T11:07:20","date_gmt":"2012-08-13T02:07:20","guid":{"rendered":"http:\/\/www.moonmile.net\/blog\/archives\/3635"},"modified":"2012-08-13T11:09:25","modified_gmt":"2012-08-13T02:09:25","slug":"c-xnode-%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6-xnavigator-%e3%82%92%e4%bd%9c%e3%82%8b","status":"publish","type":"post","link":"http:\/\/www.moonmile.net\/blog\/archives\/3635","title":{"rendered":"[C#] XNode \u3092\u4f7f\u3063\u3066 XNavigator \u3092\u4f5c\u308b"},"content":{"rendered":"

\n [C#] XElement \u3068\u306f\u9055\u3046 LINQ \u3067\u304d\u308b XmlNode \u3092\u4f5c\u6210\u3059\u308b | Moonmile Solutions Blog
\nhttp:\/\/www.moonmile.net\/blog\/archives\/3628<\/a>\n<\/p>\n

\n\u306a\u3068\u3053\u308d\u3067\u3001\u81ea\u524d\u306e XmlNode \u3092\u4f7f\u3063\u3066 LINQ \u64cd\u4f5c\u3092\u5b9f\u73fe\u3057\u305f\u8a33\u3067\u3059\u304c\u3001XNode \u3068\u306e\u91cd\u8907\u304c\u6fc0\u3057\u3044\u306e\u3067\u3001\u8a66\u3057\u306b System.Xml.Linq.XNode http:\/\/msdn.microsoft.com\/ja-jp\/library\/system.xml.linq.xnode.aspx \u3092\u4f7f\u3063\u3066\u66f8\u304d\u76f4\u3057\u3066\u307f\u307e\u3059\u3001\u3063\u3066\u3044\u3046\u5b9f\u9a13\u3092\u3002\n<\/p>\n

\n\u25a0XNavigator\u3092\u5b9f\u88c5\u3002\n<\/p>\n

\n\u81ea\u524d\u306e XmlNavigator \u3092\u305d\u306e\u307e\u307e\u30b3\u30d4\u30da\u3057\u3066\u5b9f\u88c5\u3057\u76f4\u3057\u307e\u3059\u3002
\n\u3044\u304f\u3064\u304b\u306e\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u5909\u66f4\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u307e\u307e\u3067\u3059\u3093\u306a\u308a\u30b3\u30f3\u30d1\u30a4\u30eb\u304c\u901a\u308a\u307e\u3059\u3002\n<\/p>\n

\r\npublic class XNavigator : IEnumerable<XNode>\r\n{\r\n\tXNode _root;\r\n\r\n\tpublic XNavigator(XNode root)\r\n\t{\r\n\t\t_root = root;\r\n\t}\r\n\r\n\tpublic IEnumerator<XNode> GetEnumerator()\r\n\t{\r\n\t\treturn new Enumerator(_root);\r\n\t}\r\n\r\n\tSystem.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()\r\n\t{\r\n\t\treturn new Enumerator(_root);\r\n\t}\r\n\r\n\tprotected class Enumerator : IEnumerator<XNode>\r\n\t{\r\n\t\tXNode _root;\r\n\t\tXNode _cur;\r\n\r\n\t\tpublic Enumerator(XNode root)\r\n\t\t{\r\n\t\t\t_root = root;\r\n\t\t}\r\n\r\n\t\tpublic XNode Current\r\n\t\t{\r\n\t\t\tget { return _cur; }\r\n\t\t}\r\n\r\n\t\tpublic void Dispose()\r\n\t\t{\r\n\t\t}\r\n\r\n\t\tobject System.Collections.IEnumerator.Current\r\n\t\t{\r\n\t\t\tget { return _cur; }\r\n\t\t}\r\n\r\n\t\tpublic bool MoveNext()\r\n\t\t{\r\n\t\t\tif (_cur == null)\r\n\t\t\t{\r\n\t\t\t\t_cur = _root;\r\n\t\t\t\treturn true;\r\n\t\t\t}\r\n\t\t\tif (_cur.NodeType == System.Xml.XmlNodeType.Element &&\r\n\t\t\t\t((XElement)_cur).Nodes().Count() > 0)\r\n\t\t\t{\r\n\t\t\t\t_cur = ((XElement)_cur).FirstNode;\r\n\t\t\t\treturn true;\r\n\t\t\t}\r\n\t\t\tif (_cur.NextNode != null)\r\n\t\t\t{\r\n\t\t\t\t_cur = _cur.NextNode;\r\n\t\t\t\treturn true;\r\n\t\t\t}\r\n\t\t\tXNode cur = _cur;\r\n\t\t\twhile (true)\r\n\t\t\t{\r\n\t\t\t\tXElement pa1 = cur.Parent;\r\n\t\t\t\tif (pa1 == null)\r\n\t\t\t\t{\r\n\t\t\t\t\t_cur = null;\r\n\t\t\t\t\treturn false;\r\n\t\t\t\t}\r\n\t\t\t\tif (pa1.NextNode != null)\r\n\t\t\t\t{\r\n\t\t\t\t\t_cur = pa1.NextNode;\r\n\t\t\t\t\treturn true;\r\n\t\t\t\t}\r\n\t\t\t\tcur = pa1;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tpublic void Reset()\r\n\t\t{\r\n\t\t\t_cur = null;\r\n\t\t}\r\n\t}\r\n}\r\n<\/pre>\n
\n\u25a0\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u66f8\u304f\n<\/p>\n
\nXmlNavigator \u7528\u306b\u66f8\u3044\u305f\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092 XNavigator \u7528\u306b\u76f4\u3057\u307e\u3059\u3002\n<\/p>\n