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Update ScriptEngine to use BatchLoader

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This commit is contained in:
Ryan Huffman 2015-01-22 14:14:21 -08:00
parent 958d853b56
commit 38b38eb063
2 changed files with 43 additions and 35 deletions
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77
libraries/script-engine/src/ScriptEngine.cpp
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@ -31,6 +31,7 @@
#include "AnimationObject.h"
#include "ArrayBufferViewClass.h"
#include "BatchLoader.h"
#include "DataViewClass.h"
#include "EventTypes.h"
#include "MenuItemProperties.h"
@ -304,7 +305,7 @@ QScriptValue ScriptEngine::evaluate(const QString& program, const QString& fileN
QScriptValue result = QScriptEngine::evaluate(program, fileName, lineNumber);
if (hasUncaughtException()) {
int line = uncaughtExceptionLineNumber();
qDebug() << "Uncaught exception at (" << _fileNameString << ") line" << line << ": " << result.toString();
qDebug() << "Uncaught exception at (" << _fileNameString << " : " << fileName << ") line" << line << ": " << result.toString();
}
emit evaluationFinished(result, hasUncaughtException());
clearExceptions();
@ -595,46 +596,52 @@ void ScriptEngine::print(const QString& message) {
emit printedMessage(message);
}
void ScriptEngine::include(const QString& includeFile) {
QUrl url = resolvePath(includeFile);
QString includeContents;
void ScriptEngine::include(const QStringList& includeFiles, QScriptValue callback) {
QList<QUrl> urls;
for (QString file : includeFiles) {
urls.append(resolvePath(file));
}
if (url.scheme() == "http" || url.scheme() == "https" || url.scheme() == "ftp") {
QNetworkAccessManager& networkAccessManager = NetworkAccessManager::getInstance();
QNetworkReply* reply = networkAccessManager.get(QNetworkRequest(url));
qDebug() << "Downloading included script at" << includeFile;
QEventLoop loop;
QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
loop.exec();
includeContents = reply->readAll();
reply->deleteLater();
} else {
#ifdef _WIN32
QString fileName = url.toString();
#else
QString fileName = url.toLocalFile();
#endif
QFile scriptFile(fileName);
if (scriptFile.open(QFile::ReadOnly | QFile::Text)) {
qDebug() << "Including file:" << fileName;
QTextStream in(&scriptFile);
includeContents = in.readAll();
} else {
qDebug() << "ERROR Including file:" << fileName;
emit errorMessage("ERROR Including file:" + fileName);
BatchLoader* loader = new BatchLoader(urls);
auto evaluateScripts = [=](const QMap<QUrl, QString>& data) {
for (QUrl url : urls) {
QString contents = data[url];
qDebug() << "About to load: " << url;
if (contents.isNull()) {
qDebug() << "Error loading file: " << url;
} else {
QScriptValue result = evaluate(contents, url.toString());
}
}
}
QScriptValue result = evaluate(includeContents);
if (hasUncaughtException()) {
int line = uncaughtExceptionLineNumber();
qDebug() << "Uncaught exception at (" << includeFile << ") line" << line << ":" << result.toString();
emit errorMessage("Uncaught exception at (" + includeFile + ") line" + QString::number(line) + ":" + result.toString());
clearExceptions();
if (callback.isFunction()) {
QScriptValue(callback).call();
}
loader->deleteLater();
};
connect(loader, &BatchLoader::finished, this, evaluateScripts);
// If we are destroyed before the loader completes, make sure to clean it up
connect(this, &QObject::destroyed, loader, &QObject::deleteLater);
loader->start();
if (!callback.isFunction() && !loader->isFinished()) {
QEventLoop loop;
QObject::connect(loader, &BatchLoader::finished, &loop, &QEventLoop::quit);
loop.exec();
}
}
void ScriptEngine::include(const QString& includeFile) {
QStringList urls;
urls.append(includeFile);
include(urls);
}
void ScriptEngine::load(const QString& loadFile) {
QUrl url = resolvePath(loadFile);
emit loadScript(url.toString(), false);

1
libraries/script-engine/src/ScriptEngine.h
View file

@ -96,6 +96,7 @@ public slots:
QObject* setTimeout(const QScriptValue& function, int timeoutMS);
void clearInterval(QObject* timer) { stopTimer(reinterpret_cast<QTimer*>(timer)); }
void clearTimeout(QObject* timer) { stopTimer(reinterpret_cast<QTimer*>(timer)); }
void include(const QStringList& includeFiles, QScriptValue callback = QScriptValue());
void include(const QString& includeFile);
void load(const QString& loadfile);
void print(const QString& message);