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Modifications and improvments of the ArrayBuffers

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This commit is contained in:
Atlante45 2014-07-08 16:08:11 -07:00
parent 05d74e2bb1
commit 1f6e1b9509
4 changed files with 16 additions and 16 deletions
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9
libraries/script-engine/src/ArrayBufferClass.cpp
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@ -42,7 +42,7 @@ ArrayBufferClass::ArrayBufferClass(QScriptEngine* engine) : QObject(engine), QSc
engine->globalObject().setProperty(name(), _ctor);
}
QScriptValue ArrayBufferClass::newInstance(unsigned long size) {
QScriptValue ArrayBufferClass::newInstance(quint32 size) {
engine()->reportAdditionalMemoryCost(size);
QScriptValue data = engine()->newVariant(QVariant::fromValue(QByteArray(size, 0)));
return engine()->newObject(this, data);
@ -60,7 +60,12 @@ QScriptValue ArrayBufferClass::construct(QScriptContext* context, QScriptEngine*
}
QScriptValue arg = context->argument(0);
unsigned long size = arg.toInt32();
if (!arg.isValid() || !arg.isNumber()) {
return QScriptValue();
}
quint32 size = arg.toInt32();
QScriptValue newObject = cls->newInstance(size);
if (context->isCalledAsConstructor()) {

2
libraries/script-engine/src/ArrayBufferClass.h
View file

@ -24,7 +24,7 @@ class ArrayBufferClass : public QObject, public QScriptClass {
Q_OBJECT
public:
ArrayBufferClass(QScriptEngine* engine);
QScriptValue newInstance(unsigned long size);
QScriptValue newInstance(quint32 size);
QScriptValue newInstance(const QByteArray& ba);
QueryFlags queryProperty(const QScriptValue& object,

13
libraries/script-engine/src/ArrayBufferPrototype.cpp
View file

@ -9,9 +9,6 @@
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include <QDebug>
#include <QScriptEngine>
#include <glm/glm.hpp>
#include "ArrayBufferClass.h"
@ -23,26 +20,26 @@ Q_DECLARE_METATYPE(QByteArray*)
ArrayBufferPrototype::ArrayBufferPrototype(QObject* parent) : QObject(parent) {
}
QByteArray ArrayBufferPrototype::slice(long begin, long end) const {
QByteArray ArrayBufferPrototype::slice(qint32 begin, qint32 end) const {
QByteArray* ba = thisArrayBuffer();
// if indices < 0 then they start from the end of the array
begin = (begin < 0) ? ba->size() + begin : begin;
end = (end < 0) ? ba->size() + end : end;
// here we clamp the indices to fit the array
begin = glm::clamp(begin, 0l, (long)(ba->size() - 1));
end = glm::clamp(end, 0l, (long)(ba->size() - 1));
begin = glm::clamp(begin, 0, (ba->size() - 1));
end = glm::clamp(end, 0, (ba->size() - 1));
return (end - begin > 0) ? ba->mid(begin, end - begin) : QByteArray();
}
QByteArray ArrayBufferPrototype::slice(long begin) const {
QByteArray ArrayBufferPrototype::slice(qint32 begin) const {
QByteArray* ba = thisArrayBuffer();
// if indices < 0 then they start from the end of the array
begin = (begin < 0) ? ba->size() + begin : begin;
// here we clamp the indices to fit the array
begin = glm::clamp(begin, 0l, (long)(ba->size() - 1));
begin = glm::clamp(begin, 0, (ba->size() - 1));
return ba->mid(begin, -1);
}

8
libraries/script-engine/src/ArrayBufferPrototype.h
View file

@ -12,19 +12,17 @@
#ifndef hifi_ArrayBufferPrototype_h
#define hifi_ArrayBufferPrototype_h
#include <QtCore/QByteArray>
#include <QtCore/QObject>
#include <QtScript/QScriptable>
#include <QtScript/QScriptValue>
class ArrayBufferPrototype : public QObject, public QScriptable {
Q_OBJECT
public:
ArrayBufferPrototype(QObject* parent = NULL);
public slots:
QByteArray slice(long begin, long end) const;
QByteArray slice(long begin) const;
public slots:
QByteArray slice(qint32 begin, qint32 end) const;
QByteArray slice(qint32 begin) const;
private:
QByteArray* thisArrayBuffer() const;