JSON serialization refactor (#4331)

src/serialization/JSON.h

@@ -0,0 +1,73 @@
+/*
+ * File JSON.h part of the SimpleJSON Library - http://mjpa.in/json
+ *
+ * Copyright (C) 2010 Mike Anchor
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef _JSON_H_
+#define _JSON_H_
+
+#include <cstring>
+#include <map>
+#include <string>
+#include <vector>
+
+// Simple function to check a string 's' has at least 'n' characters
+static inline bool simplejson_csnlen(const char *s, size_t n)
+{
+    if (s == 0)
+        return false;
+
+    const char *save = s;
+    while (n-- > 0) {
+        if (*(save++) == 0)
+            return false;
+    }
+
+    return true;
+}
+
+// Custom types
+class JSONValue;
+typedef std::vector<JSONValue *> JSONArray;
+typedef std::map<std::string, JSONValue *> JSONObject;
+
+#include "JSONValue.h"
+
+class JSON
+{
+    friend class JSONValue;
+
+  public:
+    static JSONValue *Parse(const char *data);
+    static std::string Stringify(const JSONValue *value);
+
+  protected:
+    static bool SkipWhitespace(const char **data);
+    static bool ExtractString(const char **data, std::string &str);
+    static double ParseInt(const char **data);
+    static double ParseDecimal(const char **data);
+
+  private:
+    JSON();
+};
+
+#endif