JSON serialization refactor (#4331)

src/serialization/JSONValue.h

@@ -0,0 +1,95 @@
+/*
+ * File JSONValue.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 _JSONVALUE_H_
+#define _JSONVALUE_H_
+
+#include <string>
+#include <vector>
+
+#include "JSON.h"
+
+class JSON;
+
+enum JSONType { JSONType_Null, JSONType_String, JSONType_Bool, JSONType_Number, JSONType_Array, JSONType_Object };
+
+class JSONValue
+{
+    friend class JSON;
+
+  public:
+    JSONValue(/*NULL*/);
+    JSONValue(const char *m_char_value);
+    JSONValue(const std::string &m_string_value);
+    JSONValue(bool m_bool_value);
+    JSONValue(double m_number_value);
+    JSONValue(int m_integer_value);
+    JSONValue(unsigned int m_integer_value);
+    JSONValue(const JSONArray &m_array_value);
+    JSONValue(const JSONObject &m_object_value);
+    JSONValue(const JSONValue &m_source);
+    ~JSONValue();
+
+    bool IsNull() const;
+    bool IsString() const;
+    bool IsBool() const;
+    bool IsNumber() const;
+    bool IsArray() const;
+    bool IsObject() const;
+
+    const std::string &AsString() const;
+    bool AsBool() const;
+    double AsNumber() const;
+    const JSONArray &AsArray() const;
+    const JSONObject &AsObject() const;
+
+    std::size_t CountChildren() const;
+    bool HasChild(std::size_t index) const;
+    JSONValue *Child(std::size_t index);
+    bool HasChild(const char *name) const;
+    JSONValue *Child(const char *name);
+    std::vector<std::string> ObjectKeys() const;
+
+    std::string Stringify(bool const prettyprint = false) const;
+
+  protected:
+    static JSONValue *Parse(const char **data);
+
+  private:
+    static std::string StringifyString(const std::string &str);
+    std::string StringifyImpl(size_t const indentDepth) const;
+    static std::string Indent(size_t depth);
+
+    JSONType type;
+
+    union {
+        bool bool_value;
+        double number_value;
+        std::string *string_value;
+        JSONArray *array_value;
+        JSONObject *object_value;
+    };
+};
+
+#endif