{"id":8111,"date":"2016-09-12T12:31:02","date_gmt":"2016-09-12T03:31:02","guid":{"rendered":"http:\/\/www.moonmile.net\/blog\/?p=8111"},"modified":"2016-09-12T12:32:23","modified_gmt":"2016-09-12T03:32:23","slug":"dynamic-%e3%82%92%e5%88%a9%e7%94%a8%e3%81%97%e3%81%a6-exdoc-%e3%82%92%e6%9b%b8%e3%81%8d%e7%9b%b4%e3%81%97%e3%81%a6%e3%81%bf%e3%82%8b1","status":"publish","type":"post","link":"http:\/\/www.moonmile.net\/blog\/archives\/8111","title":{"rendered":"dynamic \u3092\u5229\u7528\u3057\u3066 ExDoc \u3092\u66f8\u304d\u76f4\u3057\u3066\u307f\u308b(1)"},"content":{"rendered":"

\n\u300c\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 .NET\u300d\u3092\u3056\u3063\u3068\u8aad\u307f\u7d42\u308f\u3063\u305f\u306e\u3067\u3001\u624b\u5143\u306e github \u304b\u3089 ExDoc \u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304d\u3066\u3001dynamic \u7248\u306e ExDoc \u3092\u4f5c\u3063\u3066\u3044\u308b\u3068\u3053\u308d\u3067\u3059\u3002\n<\/p>\n

\n\u65e7 ExDoc \u306f\u3001\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c8\u3068\u6697\u9ed9\u306e\u30ad\u30e3\u30b9\u30c8\u3092\u4f7f\u3063\u3066\u3001\/,*,%\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u3066 XML \u3092\u63a2\u7d22\u3067\u304d\u3066\u3044\u307e\u3057\u305f\u3002\u307e\u3042\u3001\u5947\u5999\u3068\u3044\u3048\u3070\u5947\u5999\u3060\u3051\u3069\u3001LINQ \u306e\u6d3e\u751f\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u4f5c\u308c\u308b\u308f\u3051\u3067\u3059\u3002\u30bf\u30b0\u3092\u6307\u5b9a\u3059\u308b\u306e\u304c\u6587\u5b57\u5217\u306a\u306e\u304c\u3042\u308c\u306a\u306e\u3068\u3001\u3060\u3063\u305f\u3089 XPath \u3067\u6307\u5b9a\u3057\u3066\u3082\u3044\u3044\u3093\u3058\u3083\u306a\u3044\u304b\u3001\u3068\u3044\u3046\u8a71\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u307e\u3042\u5b9f\u9a13\u7684\u306b\u3002\u3061\u306a\u307f\u306b\u3001\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u5b9f\u904b\u7528\u30674\u5e74\u307b\u3069\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002CakePHP \u3092\u30b5\u30fc\u30d0\u30fc\u306b\u3057\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e XML \u30d1\u30fc\u30b9\u3092 ExDoc \u3092\u4f7f\u3063\u3066\u30d1\u30fc\u30b9\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u6280\u3067\u3059\u306d\u3002\n<\/p>\n

\npublic void TestQuery()\n{\n    var xml = "<root>" + \n        "<person id='1'>masuda<\/person>" +  \n        "<person id='2'>tomoaki<\/person>" +  \n        "<person id='3'>yumi<\/person>" +  \n        "<\/root>";\n\n    var doc = ExDocument.LoadXml(xml);\n\n    \/\/ query element\n    ExElement el = doc * "person" % "id" == "2";\n    Assert.AreEqual("tomoaki", el.Value);\n    \/\/ query elements\n    ExElements els = doc * "person";\n    Assert.AreEqual(3, els.Count);\n    Assert.AreEqual("masuda", els[0].Value);\n    Assert.AreEqual("tomoaki", els[1].Value);\n    Assert.AreEqual("yumi", els[2].Value);\n}\n<\/pre>\n
\n\u3067\u3001\u5e38\u3005\u3001PHP \u306e SimepleXML \u304c\u3046\u3089\u3084\u307e\u3057\u304b\u3063\u305f\u8a33\u3067\u3059\u304c\u3001\u305d\u3093\u306a\u98a8\u306b\u76f4\u63a5\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u8a2d\u5b9a\u3067\u304d\u308b\u306e\u304c\u3001dynamic \u306e\u826f\u3044\u3068\u3053\u308d\u3067\u3059\u3002\u307e\u3042\u3001\u30a4\u30f3\u30c6\u30ea\u30bb\u30f3\u30b9\u304c\u52b9\u304b\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u304c\u3001\u3069\u3046\u305b XML \u30bf\u30b0\u540d\u306a\u306e\u3060\u304b\u3089\u3001\u305d\u3053\u306f\u5272\u308a\u5207\u308a\u3068\u3044\u3046\u3053\u3068\u3067\u3002dynamic \u3067\u53d7\u3051\u3066\u3001\u6307\u5b9a\u306e\u578b\u3078\u30ad\u30e3\u30b9\u30c8\u3057\u76f4\u3057\u3066\u4f7f\u3046\u65b9\u6cd5\u3082\u3042\u308b\u306e\u3067\u3001\u305d\u308c\u3082\u304a\u3044\u304a\u3044\u3068\u5b9f\u88c5\u3059\u308b\u4e88\u5b9a\u3002\u300c\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 .NET\u300d\u306b\u3082\u66f8\u3044\u3066\u3042\u308b\u3051\u3069\u3001\u8907\u6570\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u3063\u3066\u3001\u7247\u65b9\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u96a0\u3059\u6280\u304c\u4f7f\u3048\u307e\u3059\u3002\u78ba\u304b\u3001Xamarin.Forms \u306e XAML \u30c4\u30ea\u30fc\u306e\u3068\u3053\u308d\u3067\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\n<\/p>\n
\ndynamic \u7248\u306e ExDoc \u3092\u4f7f\u3046\u3068\u3001\u3053\u3093\u306a\u98a8\u306b XML \u30bf\u30b0\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u3088\u3046\u306b\u6271\u3048\u307e\u3059\u3002\u5c5e\u6027\u306b\u9023\u60f3\u914d\u5217\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u306f\u3001SimpleXML \u306e\u771f\u4f3c\u3067\u3082\u3042\u308b\u306e\u3068\u3001doc.person.@id \u306e\u3088\u3046\u306b\u306f\u3067\u304d\u306a\u304b\u3063\u305f\u304b\u3089\u306a\u306e\u3067\u3059\u3002\u5148\u982d\u306e @ \u306f\u6709\u52b9\u306b\u306a\u308b\u3093\u3060\u3051\u3069\u3001TryGetMember \u30e1\u30f3\u30d0\u3067\u3060\u3068\u3001\u300cid\u300d\u3068\u3057\u304b\u53d6\u308c\u306a\u3044\u306e\u3067\u3001\u300c@id\u300d\u3068\u300cid\u300d\u306f\u540c\u3058\u540d\u524d\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u305f\u3081\u3067\u3059\u3002\u6b8b\u5ff5\u3002\n<\/p>\n
\npublic void TestQuery()\n{\n    var xml = @"\n<root>\n<person id='1'>masuda<\/person>\n<person id='2'>tomoaki<\/person>\n<person id='3'>yumi<\/person>\n<\/root>\n";\n    var doc = ExDocument.LoadXml(xml);\n    \/\/ query element\n    var el = doc.person["id"] == "2";\n    Assert.AreEqual("tomoaki", el.Value );\n    \/\/ query elements\n    var els = doc.person;\n    Assert.AreEqual(3, els.Count);\n    Assert.AreEqual("masuda", els[0].Value);\n    Assert.AreEqual("tomoaki", els[1].Value);\n    Assert.AreEqual("yumi", els[2].Value);\n}\n<\/pre>\n
\n\u307e\u3042\u3001\u305d\u308c\u3067\u3082\u3001\u9023\u60f3\u914d\u5217\u306f\u5c5e\u6027\u3067\u3001\u914d\u5217\u306f\u5b50\u8981\u7d20\u3067\u793a\u305b\u308b\u308f\u3051\u3067\u3001\u306a\u304b\u306a\u304b\u3044\u3044\u611f\u3058\u3067\u30d1\u30fc\u30b9\u304c\u3067\u304d\u307e\u3059\u3002\n<\/p>\n
\n\u5b50\u5b6b\u8981\u7d20\u3082\u542b\u3081\u3066\u8abf\u3079\u308b\u3068\u304d\u306f\u300c*\u300d\u6f14\u7b97\u5b50\u306e\u304b\u308f\u308a\u306b\u3001\u30bf\u30b0\u540d\u306b\u300c_\u300d\u3092\u4ed8\u3051\u307e\u3059\u3002\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3084\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u5f8c\u4ed8\u3051\u3067\u3067\u304d\u308b\uff08\u5b9f\u884c\u6642\u306b\u5185\u90e8\u3067\u5206\u89e3\u3057\u3066\u5206\u5c90\u3055\u305b\u308b\uff09\u306e\u304c dynamic \u306e\u826f\u3044\u3068\u3053\u308d\u3067\u3059\u3002\n<\/p>\n
\npublic void TestSelectAttr()\n{\n    var xml = @"\n<html>\n<body>\n<a id='a1' href='link001.html'>title<\/a>\n<a id='a2' href='link002.html'>title<\/a>\n<\/body>\n<\/html>\n";\n\n    var st = new StringReader(xml);\n    var doc = XDocument.Load(st);\n    var edoc = ExDocument.Load(doc);\n\n    var el = edoc._a["id"] == "a2";\n    Assert.AreEqual("title", el.Value);\n    Assert.AreEqual("link002.html", el["href"]);\n}\n<\/pre>\n
\n\u3053\u308c\u3089\u3092\u3069\u3046\u5b9f\u88c5\u3057\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u3068\u3001\u53c2\u7167\u3060\u3051\u306a\u3089\u3070\u4ee5\u4e0b\u3067 ok \u3067\u3059\u3002\n<\/p>\n
\n– System.Dynamic.DynamicObject \u3092\u7d99\u627f\u3059\u308b
\n– TryGetMember \u3092\u5b9f\u88c5\u3059\u308b
\n– TryGetIndex \u3092\u5b9f\u88c5\u3059\u308b
\n– == \u6f14\u7b97\u5b50\u3092\u518d\u5b9a\u7fa9\u3059\u308b\u3002\n<\/p>\n
\n\u307e\u3042\u3001\u5148\u884c\u304d\u306f\u5024\u306e\u8a2d\u5b9a\u307e\u3067\u3084\u308b\u306e\u3067\u3001TrySetMember \u3084 TrySetIndex \u3082\u5b9f\u88c5\u3057\u3066\u3044\u304d\u307e\u3059\u3002
\n\u5177\u4f53\u7684\u306a\u8aac\u660e\u306f\u3001.net core \u306e DynamicObject \u306e\u30b3\u30fc\u30c9\u3092\u8aad\u3080\u304b\uff08\u30b3\u30fc\u30c9\u306b\u8a73\u3057\u3044\u8aac\u660e\u304c\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\uff09\u3001\u300c\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 .NET\u300d\u306b\u3056\u3063\u3068\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002\n<\/p>\n
\npublic class ExElement : System.Dynamic.DynamicObject\n{\n    public string TagName { get { return _el.Name.LocalName; } }\n    public string Name {  get { return TagName; } }\n    public string Value { get { return _el.Value; } }\n    internal XElement _el = null;\n\n    public ExElement( XElement el = null )\n    {\n        _el = el;\n    }\n    public override bool TryGetMember(GetMemberBinder binder, out object result)\n    {\n        var els = new ExElements();\n\n        if (binder.Name[0] == '_')\n        {\n            string name = binder.Name.Substring(1);\n            els = SelectNodes(_el, els, name, true);\n        } else\n        {\n            els = SelectNodes(_el, els, binder.Name);\n        }\n        result = els;\n        return true;\n    }\n    private ExElements SelectNodes( XElement x, ExElements els, string name, bool deep = false )\n    {\n        foreach (var el in x.Elements())\n        {\n            if (name == el.Name)\n            {\n                els.Add(new ExElement(el));\n            }\n            if (deep)\n                els = SelectNodes(el, els, name, true);\n        }\n        return els;\n    }\n\n    public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)\n    {\n        result = ExDocument.EmptyElement;\n        if (indexes.Count() == 1)\n        {\n            if (indexes[0] is int)\n            {\n                int i = (int)indexes[0];\n                if (i < _el.Parent.Elements().Count())\n                {\n                    result = new ExElement(_el.Parent.Elements().ToList()&#91;i&#93;);\n                }\n            }\n            else if (indexes&#91;0&#93; is string)\n            {\n                string s = indexes&#91;0&#93; as string;\n                var attr = _el.Attribute(s);\n                if (attr != null)\n                {\n                    result = new ExAttr(attr);\n                }\n            }\n        }\n        return true;\n    }\n\n    \/\/\/ <summary>\n    \/\/\/ \u63a2\u7d22\n    \/\/\/ <\/summary>\n    \/\/\/ <param name="lst"><\/param>\n    \/\/\/ <param name="value"><\/param>\n    \/\/\/ <returns><\/returns>\n    public static ExElements operator ==(ExElement el, string value)\n    {\n        var result = new ExElements();\n        foreach (var it in el._el.Elements())\n        {\n            if (it.Value == value)\n            {\n                result.Add(new ExElement(it));\n            }\n        }\n        return result;\n    }\n    public static ExElements operator !=(ExElement el, string value)\n    {\n        var result = new ExElements();\n        foreach (var it in el._el.Elements())\n        {\n            if (it.Value != value)\n            {\n                result.Add(new ExElement( it));\n            }\n        }\n        return result;\n    }\n    public override bool Equals(object obj)\n    {\n        return base.Equals(obj);\n    }\n    public override int GetHashCode()\n    {\n        return base.GetHashCode();\n    }\n\n    \/\/\/ <summary>\n    \/\/\/ \u6587\u5b57\u5217\u306b\u30ad\u30e3\u30b9\u30c8\n    \/\/\/ <\/summary>\n    \/\/\/ <param name="el"><\/param>\n    public static implicit operator string(ExElement el)\n    {\n        return el.Value;\n    }\n    \/\/\/ <summary>\n    \/\/\/ \u6570\u5024\u306b\u30ad\u30e3\u30b9\u30c8\n    \/\/\/ <\/summary>\n    \/\/\/ <param name="el"><\/param>\n    public static implicit operator int(ExElement el)\n    {\n        return int.Parse(el.Value);\n    }\n    \/\/\/ <summary>\n    \/\/\/ \u5b9f\u6570\u306b\u30ad\u30e3\u30b9\u30c8\n    \/\/\/ <\/summary>\n    \/\/\/ <param name="el"><\/param>\n    public static implicit operator double(ExElement el)\n    {\n        return double.Parse(el.Value);\n    }\n}\n<\/pre>\n
\n\u3082\u3046\u3061\u3087\u3063\u3068\u6574\u7406\u3057\u3066\u3001\u524d\u30d0\u30fc\u30b8\u30e7\u30f3\u306e ExDoc \u3068\u540c\u3058\u3088\u3046\u306b\u4f7f\u3048\u305f\u3089 NuGet \u306b\u30a2\u30c3\u30d7\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u300c\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 .NET\u300d\u3092\u3056\u3063\u3068\u8aad\u307f\u7d42\u308f\u3063\u305f\u306e\u3067\u3001\u624b\u5143\u306e github \u304b\u3089 ExDoc \u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304d\u3066\u3001dynamic \u7248\u306e ExDoc \u3092\u4f5c\u3063\u3066\u3044\u308b\u3068\u3053\u308d\u3067\u3059\u3002 \u65e7 ExDoc \u306f\u3001\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30e9 … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[23,27],"tags":[],"class_list":["post-8111","post","type-post","status-publish","format-standard","hentry","category-csharp","category-exdoc"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/8111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/comments?post=8111"}],"version-history":[{"count":1,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/8111\/revisions"}],"predecessor-version":[{"id":8112,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/8111\/revisions\/8112"}],"wp:attachment":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media?parent=8111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/categories?post=8111"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/tags?post=8111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}