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.

2 files changed, 234 insertions, 0 deletions

diff --git a/backends/cloud/cloudthread.cpp b/backends/cloud/cloudthread.cpp
new file mode 100644
index 0000000000..ac405e0fd7
--- /dev/null
+++ b/backends/cloud/cloudthread.cpp
@@ -0,0 +1,199 @@
+#include "cloudthread.h"
+#include "../../common/debug.h"
+#include "../../common/json.h"
+
+void example1();
+void example2();
+void example3();
+
+void cloudThread(void *thread) {
+	CloudThread *cloudThread = (CloudThread *)thread;
+	cloudThread->work();
+};
+
+void CloudThread::work() {
+	if(firstTime) {		
+		firstTime = false;
+
+		example1();
+		example2();
+		example3();
+	} else {		
+	}
+}
+
+/// SimpleJSON examples:
+
+using Common::JSON;
+using Common::JSONValue;
+using Common::JSONArray;
+using Common::JSONObject;
+
+// Just some sample JSON text, feel free to change but could break demo
+const char* EXAMPLE = "\
+{ \
+	\"string_name\" : \"string\tvalue and a \\\"quote\\\" and a unicode char \\u00BE and a c:\\\\path\\\\ or a \\/unix\\/path\\/ :D\", \
+	\"bool_name\" : true, \
+	\"bool_second\" : FaLsE, \
+	\"null_name\" : nULl, \
+	\"negative\" : -34.276, \
+	\"sub_object\" : { \
+						\"foo\" : \"abc\", \
+						 \"bar\" : 1.35e2, \
+						 \"blah\" : { \"a\" : \"A\", \"b\" : \"B\", \"c\" : \"C\" } \
+					}, \
+	\"array_letters\" : [ \"a\", \"b\", \"c\", [ 1, 2, 3  ]  ] \
+}    ";
+
+// Example 1
+void example1()
+{
+	// Parse example data
+	JSONValue *value = JSON::Parse(EXAMPLE);
+
+	// Did it go wrong?
+	if (value == NULL)
+	{
+		debug("Example code failed to parse, did you change it?\r\n");
+	}
+	else
+	{
+		// Retrieve the main object
+		JSONObject root;
+		if (value->IsObject() == false)
+		{
+			debug("The root element is not an object, did you change the example?\r\n");
+		}
+		else
+		{
+			root = value->AsObject();
+
+			// Retrieving a string
+			if (root.find("string_name") != root.end() && root["string_name"]->IsString())
+			{
+				debug("string_name:\r\n");
+				debug("------------\r\n");
+				debug(root["string_name"]->AsString().c_str());
+				debug("\r\n\r\n");
+			}
+
+			// Retrieving a boolean
+			if (root.find("bool_second") != root.end() && root["bool_second"]->IsBool())
+			{
+				debug("bool_second:\r\n");
+				debug("------------\r\n");
+				debug(root["bool_second"]->AsBool() ? "it's true!" : "it's false!");
+				debug("\r\n\r\n");
+			}
+
+			// Retrieving an array
+			if (root.find("array_letters") != root.end() && root["array_letters"]->IsArray())
+			{
+				JSONArray array = root["array_letters"]->AsArray();
+				debug("array_letters:\r\n");
+				debug("--------------\r\n");
+				for (unsigned int i = 0; i < array.size(); i++)
+				{
+					//wstringstream output;
+					debug("[%d] => %s\r\n", i, array[i]->Stringify().c_str());
+				}
+				debug("\r\n");
+			}
+
+			// Retrieving nested object
+			if (root.find("sub_object") != root.end() && root["sub_object"]->IsObject())
+			{
+				debug("sub_object:\r\n");
+				debug("-----------\r\n");
+				debug(root["sub_object"]->Stringify().c_str());
+				debug("\r\n\r\n");
+			}
+		}
+
+		delete value;
+	}
+}
+
+// Example 3 : compact vs. prettyprint
+void example2()
+{
+	const char* EXAMPLE3 =
+		"{\
+	 \"SelectedTab\":\"Math\",\
+	 	\"Widgets\":[\
+			{\"WidgetPosition\":[0,369,800,582],\"WidgetIndex\":1,\"WidgetType\":\"WidgetCheckbox.1\"},\
+			{\"WidgetPosition\":[235,453,283,489],\"IsWidgetVisible\":-1,\"Caption\":\"On\",\"EnableCaption\":-1,\"Name\":\"F2.View\",\"CaptionPosition\":2,\"ControlWidth\":25,\"ControlHeight\":36,\"Font\":0,\"Value\":\"Off\",\"WidgetIndex\":2,\"WidgetType\":\"WidgetCheckbox.1\"},\
+			{\"WidgetPosition\":[235,494,283,530],\"IsWidgetVisible\":-1,\"Caption\":\"On\",\"EnableCaption\":-1,\"Name\":\"F3.View\",\"CaptionPosition\":2,\"ControlWidth\":25,\"ControlHeight\":36,\"Font\":0,\"Value\":\"Off\",\"WidgetIndex\":3,\"WidgetType\":\"WidgetCheckbox.1\"},\
+			{\"WidgetPosition\":[235,536,283,572],\"IsWidgetVisible\":-1,\"Caption\":\"On\",\"EnableCaption\":-1,\"Name\":\"F4.View\",\"CaptionPosition\":2,\"ControlWidth\":25,\"ControlHeight\":36,\"Font\":0,\"Value\":\"Off\",\"WidgetIndex\":4,\"WidgetType\":\"WidgetCheckbox.1\"},\
+			{\"WidgetPosition\":[287,417,400,439],\"IsWidgetVisible\":-1,\"Caption\":\"\",\"EnableCaption\":0,\"Name\":\"F1.Equation\",\"CaptionPosition\":1,\"ControlWidth\":113,\"ControlHeight\":22,\"Font\":0,\"AlignText\":0,\"EnableBorder\":0,\"CaptionOnly\":0,\"Value\":\"FFT(C1)\",\"WidgetIndex\":9,\"WidgetType\":\"WidgetStaticText.1\"},\
+			{\"WidgetPosition\":[191,409,230,445],\"IsWidgetVisible\":0,\"Caption\":\"F1\",\"EnableCaption\":0,\"Name\":\"F1.MeasureOpGui\",\"CaptionPosition\":1,\"ControlWidth\":39,\"ControlHeight\":36,\"Font\":0,\"ButtonOnly\":-1,\"PickerTitle\":\"Select Measurement To Graph\",\"Value\":\"Amplitude\",\"WidgetIndex\":17,\"WidgetType\":\"WidgetProcessorCombobox.1\"},\
+			{\"WidgetPosition\":[191,409,230,445],\"IsWidgetVisible\":-1,\"Caption\":\"F1\",\"EnableCaption\":0,\"Name\":\"F1.Operator1gui\",\"CaptionPosition\":1,\"ControlWidth\":39,\"ControlHeight\":36,\"Font\":0,\"ButtonOnly\":-1,\"PickerTitle\":\"Select Math Operator\",\"Value\":\"FFT\",\"WidgetIndex\":25,\"WidgetType\":\"WidgetProcessorCombobox.1\"},\
+			{\"WidgetPosition\":[191,452,230,487],\"IsWidgetVisible\":-1,\"Caption\":\"F2\",\"EnableCaption\":0,\"Name\":\"F2.Operator1gui\",\"CaptionPosition\":1,\"ControlWidth\":39,\"ControlHeight\":36,\"Font\":0,\"ButtonOnly\":-1,\"PickerTitle\":\"Select Math Operator\",\"Value\":\"Zoom\",\"WidgetIndex\":26,\"WidgetType\":\"WidgetProcessorCombobox.1\"}\
+		]\
+	 }";
+
+	// Parse example data
+	JSONValue *value = JSON::Parse(EXAMPLE3);
+	if (value)
+	{
+		debug("-----------\r\n");
+		debug(value->Stringify().c_str());
+		debug("\r\n");
+		debug("-----------\r\n");
+		debug(value->Stringify(true).c_str());
+		debug("\r\n");
+		debug("-----------\r\n");
+	}
+
+	// Clean up
+	delete value;
+}
+
+// Example 4 : List keys in an object.
+void example3()
+{
+	// Parse the example.
+	JSONValue *main_object = JSON::Parse(EXAMPLE);
+	if (main_object == NULL)
+	{
+		debug("Example code failed to parse, did you change it?\r\n");
+	}
+	else if (!main_object->IsObject())
+	{
+		debug("Example code is not an object, did you change it?\r\n");
+		delete main_object;
+	}
+	else
+	{
+		// Print the main object.
+		debug("Main object:\r\n");
+		debug(main_object->Stringify(true).c_str());
+		debug("-----------\r\n");
+
+		// Fetch the keys and print them out.
+		Common::Array<Common::String> keys = main_object->ObjectKeys();
+
+		Common::Array<Common::String>::iterator iter = keys.begin();
+		while (iter != keys.end())
+		{
+			debug("Key: ");
+			debug((*iter).c_str());
+			debug("\r\n");
+
+			// Get the key's value.
+			JSONValue *key_value = main_object->Child((*iter).c_str());
+			if (key_value)
+			{
+				debug("Value: ");
+				debug(key_value->Stringify().c_str());
+				debug("\r\n");
+				debug("-----------\r\n");
+			}
+
+			// Next key.
+			iter++;
+		}
+
+		delete main_object;
+	}
+}
diff --git a/backends/cloud/cloudthread.h b/backends/cloud/cloudthread.h
new file mode 100644
index 0000000000..dcab42f6ae
--- /dev/null
+++ b/backends/cloud/cloudthread.h
@@ -0,0 +1,35 @@
+/* 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.
+*
+*/
+
+#ifndef BACKENDS_CLOUD_CLOUDTHREAD_H
+#define BACKENDS_CLOUD_CLOUDTHREAD_H
+
+void cloudThread(void *thread); //this one is passed to TimerManager in main()
+
+class CloudThread {
+	bool firstTime;
+public:
+	CloudThread(): firstTime(true) {};
+	void work();
+};
+
+#endif