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Doric/doric/engine/js_engine.h

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2019-12-04 15:51:46 +08:00
#ifndef JS_ENGINE_H
#define JS_ENGINE_H
#include <QFile>
#include <QObject>
#include <QJSEngine>
#include "constant.h"
#include "native/native_empty.h"
#include "native/native_log.h"
#include "native/native_timer.h"
class JSEngine : public QObject {
Q_OBJECT
public:
QJSEngine *engine;
JSEngine(QObject *parent = nullptr) : QObject(parent) {
initJSEngine();
injectGlobal();
initDoricRuntime();
}
void prepareContext(int contextId, QString* script) {
QString contextIdString = QString::number(contextId);
QString source = QString(Constant::TEMPLATE_CONTEXT_CREATE)
.replace("%s1", *script)
.replace("%s2", contextIdString)
.replace("%s3", contextIdString)
.replace("%s4", contextIdString);
QJSValue result = engine->evaluate(source, "context://" + contextIdString);
qDebug() << "context://" + contextIdString + " result: " + result.toString();
}
void destroyContext(int contextId) {
QString contextIdString = QString::number(contextId);
QString source = QString(Constant::TEMPLATE_CONTEXT_DESTROY)
.replace("%s", contextIdString);
QJSValue result = engine->evaluate(source, "_context://" + contextIdString);
qDebug() << "context://" + contextIdString + " result: " + result.toString();
}
private:
void initJSEngine() {
engine = new QJSEngine();
engine->installExtensions(QJSEngine::AllExtensions);
}
void injectGlobal() {
QJSValue nativeLog = engine->newQObject(new NativeLog());
engine->globalObject().setProperty(Constant::INJECT_LOG, nativeLog.property("function"));
QJSValue nativeTimer = engine->newQObject(new NativeTimer(engine));
engine->globalObject().setProperty(Constant::INJECT_TIMER_SET, nativeTimer.property("setTimer"));
engine->globalObject().setProperty(Constant::INJECT_TIMER_CLEAR, nativeTimer.property("clearTimer"));
QJSValue nativeEmpty = engine->newQObject(new NativeEmpty());
engine->globalObject().setProperty(Constant::INJECT_EMPTY, nativeEmpty.property("function"));
}
void initDoricRuntime() {
{
QFile *file = new QFile("/Users/maverick/Workspace/doric/js-framework/bundle/doric-sandbox.js");
file->open(QFile::ReadOnly | QFile::Text);
QTextStream in(file);
QString script = in.readAll();
file->close();
delete file;
QJSValue result = engine->evaluate(script, "doric-sandbox.js");
qDebug() << "doric-sandbox.js result: " + result.toString();
}
{
QFile *file = new QFile("/Users/maverick/Workspace/doric/js-framework/bundle/doric-lib.js");
file->open(QFile::ReadOnly | QFile::Text);
QTextStream in(file);
QString script = in.readAll();
file->close();
delete file;
QString lib = QString(Constant::TEMPLATE_MODULE)
.replace("%s1", "doric")
.replace("%s2", script);
QJSValue result = engine->evaluate(lib, "doric-lib.js");
qDebug() << "doric-lib.js result: " + result.toString();
}
}
};
#endif // JS_ENGINE_H