CLOUD: Add SimpleJSON library as Common::JSON

This commit also adds CloudThread class, which work() method is called
every second by TimerManager.

Right now it prints JSON examples on the console, so that's why it's
introduced with SimpleJSON library.

1 files changed, 205 insertions, 0 deletions

diff --git a/common/json.h b/common/json.h
new file mode 100644
index 0000000000..9597102012
--- /dev/null
+++ b/common/json.h
@@ -0,0 +1,205 @@
+/* ScummVM - Graphic Adventure Engine
+*
+* ScummVM is the legal property of its developers, whose names
+* are too numerous to list here. Please refer to the COPYRIGHT
+* file distributed with this source distribution.
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*
+*/
+
+/*
+ * Files JSON.h and 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 COMMON_JSON_H
+#define COMMON_JSON_H
+
+#include "array.h"
+#include "hashmap.h"
+#include "hash-str.h"
+#include "str.h"
+
+// Win32 incompatibilities
+#if defined(WIN32) && !defined(__GNUC__)
+#define wcsncasecmp _strnicmp
+
+static inline bool isnan(double x) {
+	return x != x;
+}
+
+static inline bool isinf(double x) {
+	return !isnan(x) && isnan(x - x);
+}
+#endif
+
+// Linux compile fix - from quaker66
+#ifdef __GNUC__
+	#include <cstring>
+	#include <cstdlib>
+#endif
+
+// Mac compile fixes - from quaker66, Lion fix by dabrahams
+// Tkachov: I probably broke those
+#if defined(__APPLE__) && __DARWIN_C_LEVEL < 200809L || (defined(WIN32) && defined(__GNUC__)) || defined(ANDROID)
+	#include <wctype.h>
+	#include <wchar.h>
+	
+	static inline int wcsncasecmp(const char *s1, const char *s2, size_t n)
+	{
+		int lc1  = 0;
+		int lc2  = 0;
+
+		while (n--)
+		{
+			lc1 = towlower (*s1);
+			lc2 = towlower (*s2);
+
+			if (lc1 != lc2)
+				return (lc1 - lc2);
+
+			if (!lc1)
+				return 0;
+
+			++s1;
+			++s2;
+		}
+
+		return 0;
+	}
+#endif
+
+// Simple function to check a string 's' has at least 'n' characters
+// Tkachov: that's not wchar_t anymore, though it should work for C-strings too
+static inline bool simplejson_wcsnlen(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;
+}
+
+namespace Common {
+
+// Custom types
+class JSONValue;
+typedef Array<JSONValue*> JSONArray;
+typedef HashMap<String, JSONValue*> JSONObject;
+
+//JSONValue.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 String& m_string_value);
+	JSONValue(bool m_bool_value);
+	JSONValue(double m_number_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 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);
+	Array<String> ObjectKeys() const;
+
+	String Stringify(bool const prettyprint = false) const;
+protected:
+	static JSONValue* Parse(const char** data);
+
+private:
+	static String StringifyString(const String& str);
+	String StringifyImpl(size_t const indentDepth) const;
+	static String Indent(size_t depth);
+
+	JSONType type;
+
+	union {
+		bool bool_value;
+		double number_value;
+		String* string_value;
+		JSONArray* array_value;
+		JSONObject* object_value;
+	};
+
+};
+
+//EOF JSONValue.h
+
+class JSON {
+	friend class JSONValue;
+
+public:
+	static JSONValue* Parse(const char* data);
+	static String Stringify(const JSONValue* value);
+protected:
+	static bool SkipWhitespace(const char** data);
+	static bool ExtractString(const char** data, String& str);
+	static double ParseInt(const char** data);
+	static double ParseDecimal(const char** data);
+private:
+	JSON();
+};
+
+}  // End of namespace Common
+
+#endif