duperagent/serialization.cpp at master · rmallah/duperagent · GitHub

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// Copyright 2016 Cutehacks AS. All rights reserved.
// License can be found in the LICENSE file.

#include<QtCore/QJsonDocument>
#include<QtCore/QJsonArray>
#include<QtCore/QJsonObject>
#include<QtCore/QStringBuilder>
#include<QtCore/QUrlQuery>
#include<QtQml/QQmlEngine>

#include"serialization.h"

#if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
#include"jsvalueiterator.h"
#else
#include<QtQml/QJSValueIterator>
typedef QJSValueIterator JSValueIterator;
#endif

namespacecom { namespacecutehacks { namespaceduperagent {

staticconst QChar OPEN_SQUARE('[');
staticconst QChar CLOSE_SQUARE(']');

BodyCodec::BodyCodec(QQmlEngine *engine) : m_engine(engine) {}

JsonCodec::JsonCodec(QQmlEngine *engine) : BodyCodec(engine) {}

QJSValue JsonCodec::parse(const QByteArray &data) {
 QJsonDocument doc = QJsonDocument::fromJson(data, 0);
returnparseJsonDocument(doc);
}

QJSValue JsonCodec::parseJsonDocument(const QJsonDocument &doc)
{
if (doc.isObject()) {
returnparseJsonObject(doc.object());
 } elseif (doc.isArray()) {
returnparseJsonArray(doc.array());
 } elseif(doc.isNull()){
returnQJSValue(QJSValue::NullValue);
 } else {
returnQJSValue();
 }
}

QJSValue JsonCodec::parseJsonArray(const QJsonArray &array) {
 QJSValue a = m_engine->newArray(array.size());
int i = 0;
for (QJsonArray::ConstIterator it = array.constBegin(); it != array.constEnd(); it++) {
 a.setProperty(i++, parseJsonValue(*it));
 }
return a;
}

QJSValue JsonCodec::parseJsonObject(const QJsonObject &object)
{
 QJSValue o = m_engine->newObject();
for (QJsonObject::ConstIterator it = object.constBegin(); it != object.constEnd(); it++) {
 o.setProperty(it.key(), parseJsonValue(it.value()));
 }
return o;
}

QJSValue JsonCodec::parseJsonValue(const QJsonValue &val)
{
switch (val.type()) {
case QJsonValue::Array:
returnparseJsonArray(val.toArray());
case QJsonValue::Object:
returnparseJsonObject(val.toObject());
case QJsonValue::Bool:
returnQJSValue(val.toBool());
case QJsonValue::Double:
returnQJSValue(val.toDouble());
case QJsonValue::String:
returnQJSValue(val.toString());
case QJsonValue::Null:
returnQJSValue(QJSValue::NullValue);
case QJsonValue::Undefined:
default:
returnQJSValue(QJSValue::UndefinedValue);
 }
}

QByteArray JsonCodec::stringify(const QJSValue &json)
{
 QJsonDocument doc;

if (json.isArray()) {
 doc.setArray(stringifyArray(json));
 } elseif (json.isObject()) {
 doc.setObject(stringifyObject(json));
 }

return doc.toJson(QJsonDocument::Compact);
}

QJsonObject JsonCodec::stringifyObject(const QJSValue &json) const
{
 QJsonObject object;
 JSValueIterator it(json);
while (it.next()) {
 object.insert(it.name(), stringifyValue(it.value()));
 }
return object;
}

QJsonArray JsonCodec::stringifyArray(const QJSValue &json) const
{
 QJsonArray array;
 JSValueIterator it(json);
while (it.next()) {
if (it.hasNext()) // skip last item which is length
 array.append(stringifyValue(it.value()));
 }
return array;
}

QJsonValue JsonCodec::stringifyValue(const QJSValue &json) const
{
if (json.isArray()) {
returnQJsonValue(stringifyArray(json));
 } elseif (json.isObject()) {
 QJSValue toJSON = json.property("toJSON");
if (toJSON.isCallable())
returnstringifyValue(toJSON.callWithInstance(json));
else
returnQJsonValue(stringifyObject(json));
 } elseif (json.isBool()) {
returnQJsonValue(json.toBool());
 } elseif (json.isNumber()) {
returnQJsonValue(json.toNumber());
 } else {
returnQJsonValue(json.toString());
 }
}

FormUrlEncodedCodec::FormUrlEncodedCodec(QQmlEngine *engine) : BodyCodec(engine)
{ }

QByteArray FormUrlEncodedCodec::stringify(const QJSValue &json)
{
 QueryItems items;
 JSValueIterator it(json);
while (it.next()) {
 QString key = it.name();
 items << stringifyValue(key, it.value());
 }

 QUrlQuery query;
 query.setQueryItems(items);
return query.toString(QUrl::FullyEncoded).toUtf8();
}

QueryItems FormUrlEncodedCodec::stringifyObject(const QString& prefix, const QJSValue &json) const
{
 QueryItems items;
 JSValueIterator it(json);
while (it.next()) {
 items << stringifyValue(prefix % OPEN_SQUARE % it.name() % CLOSE_SQUARE, it.value());
 }
return items;
}

QueryItems FormUrlEncodedCodec::stringifyArray(const QString& prefix, const QJSValue &json) const
{
 QueryItems items;
 JSValueIterator it(json);
while (it.next()) {
if (it.hasNext()) //skip last item which is length
 items << stringifyValue(prefix % OPEN_SQUARE % it.name() % CLOSE_SQUARE, it.value());
 }
return items;
}

QueryItems FormUrlEncodedCodec::stringifyValue(const QString& prefix, const QJSValue &json) const
{
if (json.isArray()) {
returnstringifyArray(prefix, json);
 } elseif (json.isObject()) {
 QJSValue toJSON = json.property("toJSON");
if (toJSON.isCallable())
returnstringifyValue(prefix, toJSON.callWithInstance(json));
else
returnstringifyObject(prefix, json);
 } elseif (json.isNull()) {
returnQueryItems() << QPair<QString, QString>(prefix, QString());
 } elseif (json.hasProperty("toJSON") && json.property("toJSON").isCallable()){
returnQueryItems() << QPair<QString, QString>(
 prefix, json.property("toJSON").callWithInstance(json).toString());
 } else {
returnQueryItems() << QPair<QString, QString>(prefix, json.toString());
 }
}

QJSValue FormUrlEncodedCodec::parse(const QByteArray &)
{
 QJSValue json = m_engine->newObject();
return json;
}
} } }