CLOUD: Add CurlJsonRequest

Now we can do REST API request by creating CurlJsonRequest and waiting
for it to call our callback. Passed pointer is Common::JSONValue.

This commit also does some minor variable renaming fixes.

1 files changed, 64 insertions, 0 deletions

diff --git a/backends/networking/curl/curljsonrequest.cpp b/backends/networking/curl/curljsonrequest.cpp
new file mode 100644
index 0000000000..acd9675aed
--- /dev/null
+++ b/backends/networking/curl/curljsonrequest.cpp
@@ -0,0 +1,64 @@
+/* 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.
+*
+*/
+
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+
+#include "backends/networking/curl/curljsonrequest.h"
+#include "backends/networking/curl/networkreadstream.h"
+#include "common/debug.h"
+#include "common/json.h"
+#include <curl/curl.h>
+
+namespace Networking {
+
+CurlJsonRequest::CurlJsonRequest(Callback cb, const char *url) : Request(cb), _stream(0) {	
+	_url = url;
+}
+
+CurlJsonRequest::~CurlJsonRequest() {
+	if (_stream) delete _stream;
+}
+
+bool CurlJsonRequest::handle(ConnectionManager &manager) {
+	if (!_stream) _stream = manager.makeRequest(_url);
+
+	if (_stream) {
+		const int kBufSize = 16*1024;
+		char buf[kBufSize+1];
+		uint32 readBytes = _stream->read(buf, kBufSize);
+		if (readBytes != 0) _contents += Common::String(buf, readBytes);
+		if (_stream->eos()) {
+			//TODO: check that stream's CURL easy handle's HTTP response code is 200 OK
+			debug("CurlJsonRequest: contents:\n%s", _contents.c_str());
+			if (_callback) {
+				Common::JSONValue *json = Common::JSON::parse(_contents.c_str()); //TODO: somehow fix JSON to work with UTF-8
+				debug("CurlJsonRequest: JSONValue pointer = %p", json);
+				_callback(json); //potential memory leak, free it in your callbacks!
+			}
+			return true;
+		}
+	}
+
+	return false;
+}
+
+} //end of namespace Networking