From 5ef8b38e55c1883224fe1f01f47aba45b7b42666 Mon Sep 17 00:00:00 2001
From: "Javier S. Pedro" <maemo@javispedro.com>
Date: Mon, 1 Apr 2013 15:04:58 +0200
Subject: initial import

---
 xmlrpcpendingcall.cpp | 187 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 187 insertions(+)
 create mode 100644 xmlrpcpendingcall.cpp

(limited to 'xmlrpcpendingcall.cpp')

diff --git a/xmlrpcpendingcall.cpp b/xmlrpcpendingcall.cpp
new file mode 100644
index 0000000..d94b76d
--- /dev/null
+++ b/xmlrpcpendingcall.cpp
@@ -0,0 +1,187 @@
+#include <QtCore/QDateTime>
+#include <QtCore/QEventLoop>
+#include <QtCore/QDebug>
+
+#include "xmlrpcinterface.h"
+#include "xmlrpcpendingcall.h"
+
+XmlRpcPendingCall::XmlRpcPendingCall(QNetworkReply *reply, XmlRpcInterface *parent)
+    : QObject(parent), _reply(reply), _state(StateWaitingReply)
+{
+	connect(_reply, SIGNAL(finished()), SLOT(handleRequestFinished()));
+	_reply->setParent(this);
+}
+
+void XmlRpcPendingCall::waitForFinished()
+{
+	if (_state == StateWaitingReply) {
+		QEventLoop loop;
+		connect(this, SIGNAL(finished(XmlRpcPendingCall*)), &loop, SLOT(quit()));
+		loop.exec();
+	}
+}
+
+bool XmlRpcPendingCall::decodeMethodResponse(QXmlStreamReader *r)
+{
+	if (r->readNextStartElement()) {
+		if (r->name() == "fault") {
+			_state = StateFaultReceived;
+			if (r->readNextStartElement()) {
+				if (r->name() != "value") return false;
+				_value = decodeValue(r);
+				if (!_value.isValid()) return false;
+			}
+			return true;
+		} else if (r->name() == "params") {
+			_state = StateReplyReceived;
+			if (r->readNextStartElement()) {
+				if (r->name() != "param") return false;
+				if (r->readNextStartElement()) {
+					if (r->name() != "value") return false;
+					_value = decodeValue(r);
+					if (!_value.isValid()) return false;
+				} else {
+					return false;
+				}
+			}
+			return true;
+		}
+	}
+
+	return false;
+}
+
+QVariant XmlRpcPendingCall::decodeValue(QXmlStreamReader *r)
+{
+	Q_ASSERT(r->isStartElement() && r->name() == "value");
+	QVariant value;
+
+	if (r->readNextStartElement()) {
+		if (r->name() == "string") {
+			value = QVariant::fromValue(r->readElementText());
+		} else if (r->name() == "int") {
+			bool ok;
+			value = QVariant::fromValue(r->readElementText().toInt(&ok));
+			if (!ok) value.clear();
+		} else if (r->name() == "boolean") {
+			bool ok;
+			value = QVariant::fromValue<bool>(r->readElementText().toInt(&ok));
+			if (!ok) value.clear();
+		} else if (r->name() == "double") {
+			bool ok;
+			value = QVariant::fromValue(r->readElementText().toDouble(&ok));
+			if (!ok) value.clear();
+		} else if (r->name() == "dateTime.iso8601") {
+			QString text = r->readElementText();
+			QDateTime dateTime = QDateTime::fromString(text, Qt::ISODate);
+			if (!dateTime.isValid()) {
+				// Qt seems not be happy without dashes
+				text.insert(4, '-');
+				text.insert(7, '-');
+				dateTime = QDateTime::fromString(text, Qt::ISODate);
+				if (!dateTime.isValid()) {
+					qWarning() << "Invalid dateTime format" << text;
+					return QVariant();
+				}
+			}
+			value = QVariant::fromValue(dateTime);
+		} else if (r->name() == "base64") {
+			QByteArray data = r->readElementText().toAscii();
+			value = QVariant::fromValue(QByteArray::fromBase64(data));
+		} else if (r->name() == "array") {
+			QList<QVariant> list;
+			if (!r->readNextStartElement() || r->name() != "data") {
+				qWarning() << "Unexpected element inside <array>:" << r->name();
+				return QVariant();
+			}
+			while (r->readNextStartElement()) {
+				if (r->name() != "value") return QVariant();
+				QVariant value = decodeValue(r);
+				if (!value.isValid()) return QVariant();
+				list.append(value);
+			}
+			if (r->readNextStartElement()) {
+				// No other elements
+				qWarning() << "Unexpected element inside <array>:" << r->name();
+				return QVariant();
+			}
+			value = QVariant::fromValue(list);
+		} else if (r->name() == "struct") {
+			QMap<QString, QVariant> map;
+			while (r->readNextStartElement()) {
+				if (r->name() != "member") return QVariant();
+				QString name;
+				if (r->readNextStartElement() && r->name() == "name") {
+					name = r->readElementText();
+				} else {
+					qWarning() << "Malformed struct";
+					return QVariant();
+				}
+				if (r->readNextStartElement() && r->name() == "value") {
+					QVariant value = decodeValue(r);
+					if (!value.isValid()) return QVariant();
+					map.insert(name, value);
+				} else {
+					qWarning() << "Malformed struct";
+					return QVariant();
+				}
+				if (r->readNextStartElement()) {
+					// No other elements
+					qWarning() << "Unexpected element inside <member>" << r->name();
+					return false;
+				}
+			}
+			value = QVariant::fromValue(map);
+		} else {
+			qWarning() << "Unknown value type:" << r->name();
+		}
+	}
+
+	if (r->readNextStartElement()) {
+		// There is more than one element inside this <value>
+		qWarning() << "More than element inside <value>";
+		return QVariant();
+	} else if (r->isEndElement() && r->name() == "value") {
+		// Everything OK
+		return value;
+	} else {
+		qWarning() << "Expected </value> instead of" << r->name();
+		return QVariant();
+	}
+}
+
+void XmlRpcPendingCall::handleRequestFinished()
+{
+	Q_ASSERT(_state == StateWaitingReply);
+
+	QNetworkReply::NetworkError error = _reply->error();
+	if (error == QNetworkReply::NoError) {
+		QByteArray data = _reply->readAll();
+		QXmlStreamReader reader(data);
+		bool parse_ok = false;
+		if (reader.readNextStartElement()) {
+			if (reader.name() == "methodResponse") {
+				parse_ok = decodeMethodResponse(&reader);
+			}
+		}
+		if (parse_ok) {
+			Q_ASSERT(_state == StateReplyReceived || _state == StateFaultReceived);
+		} else {
+			qWarning() << "Parse error!";
+			QVariantMap obj;
+			obj.insert("code", QVariant(reader.error()));
+			obj.insert("message", QVariant(reader.errorString()));
+			_value = obj;
+			_state = StateParseError;
+		}
+	} else {
+		qWarning() << "Network error!" << error;
+		QVariantMap obj;
+		obj.insert("code", QVariant(error));
+		obj.insert("message", QVariant(_reply->errorString()));
+		_value = obj;
+		_state = StateNetworkError;
+	}
+
+	emit finished(this);
+}
-- 
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