{"id":235,"date":"2020-06-23T20:35:35","date_gmt":"2020-06-23T11:35:35","guid":{"rendered":"https:\/\/roundwide.com\/?p=235"},"modified":"2021-04-27T20:13:49","modified_gmt":"2021-04-27T11:13:49","slug":"how-to-make-json-parser-strict","status":"publish","type":"post","link":"https:\/\/roundwide.com\/ja\/how-to-make-json-parser-strict\/","title":{"rendered":"\u53b3\u683c\u306aJSON\u30d1\u30fc\u30b6\u30fc\u306e\u4f5c\u308a\u65b9"},"content":{"rendered":"\n

\u50d5\u306e\u4f5c\u3063\u305fJSON\u30d1\u30fc\u30b6\u30fc\u306eDynaJson<\/a>\u306f\u3068\u3066\u3082\u53b3\u683c\u306b\u3067\u304d\u3066\u3044\u308b\u3002RFC 8259<\/a>\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3082\u306e\u306f\u3059\u3079\u3066\u53d7\u7406\u3059\u308b\u3057\u3001\u305d\u3046\u3067\u306a\u3044\u3082\u306e\u306f\u4e8c\u3064\u306e\u4f8b\u5916\u3092\u9664\u304d\u3059\u3079\u3066\u53d7\u7406\u3057\u306a\u3044\u3002<\/p>\n\n\n\n

\u53d7\u7406\u3059\u308b\u4f8b\u5916\u306f\u3001\u30b1\u30c4\u30ab\u30f3\u30de\u306802<\/code>\u3084-02<\/code>\u306e\u3088\u3046\u306a0\u3067\u59cb\u307e\u308b\u6570\u5b57\u3067\u3042\u308b\u3002\u524d\u8005\u3092\u53d7\u7406\u3059\u308b\u306e\u306f\u5b9f\u7528\u6027\u306e\u305f\u3081\u3067\u3042\u308a\u3001\u5f8c\u8005\u3092\u53d7\u7406\u3059\u308b\u306e\u306fDynamicJson\u3068\u306e\u4e92\u63db\u6027\u306e\u305f\u3081\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

JSON\u306e\u6587\u6cd5\u306f\u3068\u3066\u3082\u5358\u7d14\u3060\u304c\u3001\u4e0d\u7528\u610f\u306b\u30d1\u30fc\u30b6\u30fc\u3092\u5b9f\u88c5\u3059\u308b\u3068RFC\u306b\u6e96\u62e0\u3057\u305fJSON\u3092\u53d7\u7406\u3057\u306a\u304b\u3063\u305f\u308a\u3001\u975e\u6e96\u62e0\u306e\u3082\u306e\u3092\u30a8\u30e9\u30fc\u306b\u3067\u304d\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u3002\u30d1\u30fc\u30b6\u30fc\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306e\u5730\u96f7\u30dd\u30a4\u30f3\u30c8\u306fParsing JSON is a Minefield<\/a>\u306b\u3088\u304f\u307e\u3068\u307e\u3063\u3066\u3044\u308b\u3002<\/p>\n\n\n\n\n\n\n\n

\u305f\u3068\u3048\u3070\u3001null<\/code>\u306e\u3088\u3046\u306b\u30ea\u30c6\u30e9\u30eb\u3060\u3051\u3060\u3068\u53d7\u7406\u3057\u306a\u3044\u30d1\u30fc\u30b6\u30fc\u304c\u3042\u308b\u3002[[][]]<\/code>\u306e\u3088\u3046\u306a\u7a7a\u306e\u914d\u5217\u3060\u3051\u306e\u914d\u5217\u3084\u30011e0<\/code>\u306e\u3088\u3046\u306b\u6307\u6570\u90e8\u304c0\u306e\u6570\u5b57\u3092\u53d7\u7406\u3057\u306a\u3044\u3082\u306e\u3082\u3042\u308b\u3002{\"a\":1,\"a\":2}<\/code>\u306e\u3088\u3046\u306b\u30ad\u30fc\u304c\u4e00\u610f\u3067\u306a\u3044\u3082\u306e\u3092\u53d7\u7406\u3057\u306a\u3044\u30d1\u30fc\u30b6\u30fc\u306f\u591a\u3044\u3002<\/p>\n\n\n\n

\u307b\u3068\u3093\u3069\u306e\u30d1\u30fc\u30b6\u30fc\u304c\u3001\u3055\u307e\u3056\u307e\u306a\u975e\u6e96\u62e0\u306eJSON\u3092\u53d7\u7406\u3059\u308b\u3002.2<\/code>\u3084-.1<\/code>\u3084+1<\/code>\u306e\u3088\u3046\u306a\u6570\u5b57\u3084\u3001\u6587\u5b57\u5217\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u6587\u5b57\u304c\u76f4\u63a5\u5165\u3063\u3066\u3044\u308b\u3082\u306e\u3084\u3001[0]]<\/code>\u306e\u3088\u3046\u306b\u5f8c\u308d\u306e\u3054\u307f\u304c\u3042\u308b\u3082\u306e\u306a\u3069\u3002<\/p>\n\n\n\n

DynaJson\u306e\u305f\u3081\u306b\u6700\u521d\u306b\u66f8\u3044\u305fJSON\u30d1\u30fc\u30b6\u30fc\u306f\u3001\u601d\u3044\u8fbc\u307f\u3068\u4e0d\u6ce8\u610f\u304b\u3089\u304b\u306a\u308a\u306e\u5730\u96f7\u3092\u8e0f\u3093\u3067\u3044\u305f\u3002\u6700\u7d42\u7684\u306b\u306f\u6e96\u62e0\u3057\u3066\u3044\u308b\u3082\u306e\u306f\u3059\u3079\u3066\u53d7\u7406\u3057\u3001\u6e96\u62e0\u3057\u306a\u3044\u3082\u306e\u306f\u3001\u5165\u529b\u306e\u7834\u640d\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u306b\u4e8c\u3064\u306e\u4f8b\u5916\u4ee5\u5916\u306f\u30a8\u30e9\u30fc\u306b\u3059\u308b\u3088\u3046\u306b\u3057\u305f\u3002<\/p>\n\n\n\n

Parsing JSON is a Minefield\u306e\u8457\u8005\u306e\u4f5c\u6210\u3057\u305fJSON Parsing Test Suite<\/a>\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u3053\u306e\u3088\u3046\u306a\u30b3\u30fc\u30ca\u30fc\u30b1\u30fc\u30b9\u306e\u52d5\u4f5c\u78ba\u8a8d\u304c\u3067\u304d\u308b\u3002.NET\u306b\u5bfe\u5fdc\u3057\u305f6\u3064\u306eJSON\u30d1\u30fc\u30b6\u30fc\u306b\u3064\u3044\u3066\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u3082\u306e\u3092GitHub<\/a>\u306b\u7f6e\u3044\u305f\u3002\u305d\u306e\u5b9f\u884c\u7d50\u679c\u3092\u793a\u3059\u3002<\/p>\n\n\n\n

<\/div>\n\n\n\n

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.NET Core 3.0\u304b\u3089\u5165\u3063\u305fSystem.Text.Json<\/a>\u306f\u3068\u3066\u3082\u53b3\u683c\u3067\u3042\u308a\u3001\u6e96\u62e0\u306e\u3082\u306e\u3092\u3059\u3079\u3066\u53d7\u7406\u3057\u3001\u975e\u6e96\u62e0\u306e\u3082\u306e\u3092\u3059\u3079\u3066\u30a8\u30e9\u30fc\u306b\u3059\u308b\u3002\u305f\u3060\u3057\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u6307\u5b9a\u3059\u308c\u3070\u30b1\u30c4\u30ab\u30f3\u30de\u3092\u53d7\u7406\u3059\u308b\u3002\u3053\u306e\u4e2d\u3067\u30b1\u30c4\u30ab\u30f3\u30de\u3092\u53d7\u7406\u3057\u306a\u3044\u306e\u306fUtf8Json<\/a>\u3060\u3051\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

\u30d1\u30fc\u30b6\u30fc\u3054\u3068\u306b\u53d7\u7406\u3059\u308b\u975e\u6e96\u62e0\u306eJSON\u306b\u7279\u5fb4\u304c\u3042\u308b\u3002Json.NET<\/a>\u306f\u30ad\u30fc\u304c\u6587\u5b57\u5217\u3067\u306a\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d7\u7406\u3057\u3001Utf8Json\u306f\u672b\u5c3e\u306e\u3054\u307f\u3092\u8a31\u5bb9\u3059\u308b\u3002DynamicJson<\/a>\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c}<\/code>\u3067\u9589\u3058\u3066\u3044\u306a\u3044\u3082\u306e\u3092\u53d7\u7406\u3059\u308b\u3002Jil<\/a>\u306f\u6570\u5024\u306e\u6307\u6570\u90e8\u306b\u5bdb\u5bb9\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

\u4e00\u756a\u4e0b\u306e\u8d64\u306b\u306a\u3063\u3066\u3044\u308b\u90e8\u5206\u306f\u300110\u4e07\u56de\u30cd\u30b9\u30c8\u3057\u305fJSON\u3092\u30d1\u30fc\u30ba\u3057\u305f\u7d50\u679c\u3067\u3042\u308b\u3002DynamicJson\u306f5\u79d2\u3067\u7d42\u308f\u3089\u305a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u3001Jil\u3068Utf8Json\u306f\u30b9\u30bf\u30c3\u30af\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3067\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n

Json.NET\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30e1\u30e2\u30ea\u306e\u8a31\u3059\u9650\u308a\u30cd\u30b9\u30c8\u304c\u53ef\u80fd\u3067\u3042\u308b\u3002System.Text.Json\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306764\u307e\u3067\u3060\u304c\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u5909\u66f4\u53ef\u80fd\u3067\u3042\u308b\u3002DynaJson\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067512\u307e\u3067\u3060\u304c\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u5909\u66f4\u3067\u304d\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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