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-rw-r--r--src/qml/jsruntime/qv4include.cpp232
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diff --git a/src/qml/jsruntime/qv4include.cpp b/src/qml/jsruntime/qv4include.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qv4include_p.h"
+
+#include <QtQml/qjsengine.h>
+#include <QtNetwork/qnetworkrequest.h>
+#include <QtNetwork/qnetworkreply.h>
+#include <QtCore/qfile.h>
+#include <QtQml/qqmlfile.h>
+
+#include <private/qqmlengine_p.h>
+#include <private/qv4engine_p.h>
+#include <private/qv4functionobject_p.h>
+#include <private/qv4script_p.h>
+#include <private/qv4context_p.h>
+#include <private/qv4exception_p.h>
+#include <private/qqmlcontextwrapper_p.h>
+
+QT_BEGIN_NAMESPACE
+
+QV4Include::QV4Include(const QUrl &url, QV8Engine *engine, QQmlContextData *context,
+ const QV4::Value &qmlglobal, const QV4::Value &callback)
+ : v4(QV8Engine::getV4(engine)), m_network(0), m_reply(0), m_url(url), m_redirectCount(0), m_context(context)
+{
+ m_qmlglobal = qmlglobal;
+ if (callback.asFunctionObject())
+ m_callbackFunction = callback;
+
+ m_resultObject = resultValue(v4);
+
+ m_network = engine->networkAccessManager();
+
+ QNetworkRequest request;
+ request.setUrl(url);
+
+ m_reply = m_network->get(request);
+ QObject::connect(m_reply, SIGNAL(finished()), this, SLOT(finished()));
+}
+
+QV4Include::~QV4Include()
+{
+ delete m_reply; m_reply = 0;
+}
+
+QV4::Value QV4Include::resultValue(QV4::ExecutionEngine *v4, Status status)
+{
+
+ // XXX It seems inefficient to create this object from scratch each time.
+ QV4::Object *o = v4->newObject();
+ o->put(v4->newString("OK"), QV4::Value::fromInt32(Ok));
+ o->put(v4->newString("LOADING"), QV4::Value::fromInt32(Loading));
+ o->put(v4->newString("NETWORK_ERROR"), QV4::Value::fromInt32(NetworkError));
+ o->put(v4->newString("EXCEPTION"), QV4::Value::fromInt32(Exception));
+
+ o->put(v4->newString("status"), QV4::Value::fromInt32(status));
+
+ return QV4::Value::fromObject(o);
+}
+
+void QV4Include::callback(const QV4::Value &callback, const QV4::Value &status)
+{
+ QV4::FunctionObject *f = callback.asFunctionObject();
+ if (!f)
+ return;
+
+ QV4::Value args[] = { status };
+ QV4::ExecutionContext *ctx = f->engine()->current;
+ try {
+ f->call(QV4::Value::fromObject(f->engine()->globalObject), args, 1);
+ } catch (QV4::Exception &e) {
+ e.accept(ctx);
+ }
+}
+
+QV4::Value QV4Include::result()
+{
+ return m_resultObject.value();
+}
+
+#define INCLUDE_MAXIMUM_REDIRECT_RECURSION 15
+void QV4Include::finished()
+{
+ m_redirectCount++;
+
+ if (m_redirectCount < INCLUDE_MAXIMUM_REDIRECT_RECURSION) {
+ QVariant redirect = m_reply->attribute(QNetworkRequest::RedirectionTargetAttribute);
+ if (redirect.isValid()) {
+ m_url = m_url.resolved(redirect.toUrl());
+ delete m_reply;
+
+ QNetworkRequest request;
+ request.setUrl(m_url);
+
+ m_reply = m_network->get(request);
+ QObject::connect(m_reply, SIGNAL(finished()), this, SLOT(finished()));
+ return;
+ }
+ }
+
+ if (m_reply->error() == QNetworkReply::NoError) {
+ QByteArray data = m_reply->readAll();
+
+ QString code = QString::fromUtf8(data);
+ QQmlScript::Parser::extractPragmas(code);
+
+ QV4::Script script(v4, m_qmlglobal.value().asObject(), code, m_url.toString());
+
+ QV4::ExecutionContext *ctx = v4->current;
+ QV4::Object *o = m_resultObject.value().asObject();
+ try {
+ script.parse();
+ script.run();
+ o->put(v4->newString("status"), QV4::Value::fromInt32(Ok));
+ } catch (QV4::Exception &e) {
+ e.accept(ctx);
+ o->put(v4->newString("status"), QV4::Value::fromInt32(Exception));
+ o->put(v4->newString("exception"), e.value());
+ }
+ } else {
+ m_resultObject.value().asObject()->put(v4->newString("status"), QV4::Value::fromInt32(NetworkError));
+ }
+
+ callback(m_callbackFunction.value(), m_resultObject.value());
+
+ disconnect();
+ deleteLater();
+}
+
+/*
+ Documented in qv8engine.cpp
+*/
+QV4::Value QV4Include::include(QV4::SimpleCallContext *ctx)
+{
+ if (!ctx->argumentCount)
+ return QV4::Value::undefinedValue();
+
+ QV4::ExecutionEngine *v4 = ctx->engine;
+ QV8Engine *engine = v4->v8Engine;
+ QQmlContextData *context = QV4::QmlContextWrapper::callingContext(v4);
+
+ if (!context || !context->isJSContext)
+ V4THROW_ERROR("Qt.include(): Can only be called from JavaScript files");
+
+ QUrl url(ctx->engine->resolvedUrl(ctx->arguments[0].toQString()));
+
+ QV4::Value callbackFunction = QV4::Value::undefinedValue();
+ if (ctx->argumentCount >= 2 && ctx->arguments[1].asFunctionObject())
+ callbackFunction = ctx->arguments[1];
+
+ QString localFile = QQmlFile::urlToLocalFileOrQrc(url);
+
+ QV4::Value result = QV4::Value::undefinedValue();
+
+ if (localFile.isEmpty()) {
+
+ QV4Include *i = new QV4Include(url, engine, context,
+ QV4::Value::fromObject(v4->qmlContextObject()),
+ callbackFunction);
+ result = i->result();
+
+ } else {
+
+ QFile f(localFile);
+
+ if (f.open(QIODevice::ReadOnly)) {
+ QByteArray data = f.readAll();
+ QString code = QString::fromUtf8(data);
+ QQmlScript::Parser::extractPragmas(code);
+
+ QV4::Object *qmlglobal = v4->qmlContextObject();
+ QV4::Script script(v4, qmlglobal, code, url.toString());
+
+ QV4::ExecutionContext *ctx = v4->current;
+ try {
+ script.parse();
+ script.run();
+ result = resultValue(v4, Ok);
+ } catch (QV4::Exception &e) {
+ e.accept(ctx);
+ result = resultValue(v4, Exception);
+ result.asObject()->put(v4->newString("exception"), e.value());
+ }
+ } else {
+ result = resultValue(v4, NetworkError);
+ }
+
+ callback(callbackFunction, result);
+ }
+
+ return result;
+}
+
+QT_END_NAMESPACE
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