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| 1 | // | ||
| 2 | // ArrayBufferViewClass.cpp | ||
| 3 | // | ||
| 4 | // | ||
| 5 | // Created by Clement on 7/8/14. | ||
| 6 | // Copyright 2014 High Fidelity, Inc. | ||
| 7 | // | ||
| 8 | // Distributed under the Apache License, Version 2.0. | ||
| 9 | // See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html | ||
| 10 | // | ||
| 11 | |||
| 12 | #include "ArrayBufferViewClass.h" | ||
| 13 | |||
| 14 | Q_DECLARE_METATYPE(QByteArray*) | ||
| 15 | |||
| 16 | ArrayBufferViewClass::ArrayBufferViewClass(QScriptEngine* engine) : | ||
| 17 | QObject(engine), | ||
| 18 | QScriptClass(engine) { | ||
| 19 | // Save string handles for quick lookup | ||
| 20 | _bufferName = engine->toStringHandle(BUFFER_PROPERTY_NAME.toLatin1()); | ||
| 21 | _byteOffsetName = engine->toStringHandle(BYTE_OFFSET_PROPERTY_NAME.toLatin1()); | ||
| 22 | _byteLengthName = engine->toStringHandle(BYTE_LENGTH_PROPERTY_NAME.toLatin1()); | ||
| 23 | } | ||
| 24 | |||
| 25 | QScriptClass::QueryFlags ArrayBufferViewClass::queryProperty(const QScriptValue& object, | ||
| 26 | const QScriptString& name, | ||
| 27 | QueryFlags flags, uint* id) { | ||
| 28 | if (name == _bufferName || name == _byteOffsetName || name == _byteLengthName) { | ||
| 29 | return flags &= HandlesReadAccess; // Only keep read access flags | ||
| 30 | } | ||
| 31 | return 0; // No access | ||
| 32 | } | ||
| 33 | |||
| 34 | QScriptValue ArrayBufferViewClass::property(const QScriptValue &object, | ||
| 35 | const QScriptString &name, uint id) { | ||
| 36 | if (name == _bufferName) { | ||
| 37 | return object.data().property(_bufferName); | ||
| 38 | } | ||
| 39 | if (name == _byteOffsetName) { | ||
| 40 | return object.data().property(_byteOffsetName); | ||
| 41 | } | ||
| 42 | if (name == _byteLengthName) { | ||
| 43 | return object.data().property(_byteLengthName); | ||
| 44 | } | ||
| 45 | return QScriptValue(); | ||
| 46 | } | ||
| 47 | |||
| 48 | QScriptValue::PropertyFlags ArrayBufferViewClass::propertyFlags(const QScriptValue& object, | ||
| 49 | const QScriptString& name, uint id) { | ||
| 50 | return QScriptValue::Undeletable; | ||
| 51 | } | ||
| 52 | |||
| 53 | //QScriptClass::QueryFlags DataViewClass::queryProperty(const QScriptValue& object, | ||
| 54 | // const QScriptString& name, | ||
| 55 | // QueryFlags flags, uint* id) { | ||
| 56 | // QByteArray* arrayBuffer = qscriptvalue_cast<QByteArray*>(object.property(_bufferName).data()); | ||
| 57 | // bool ok = false; | ||
| 58 | // int pos = name.toArrayIndex(&ok); | ||
| 59 | // | ||
| 60 | // // Check that name is a valid index and arrayBuffer exists | ||
| 61 | // if (ok && arrayBuffer && pos > 0 && pos < arrayBuffer->size()) { | ||
| 62 | // *id = pos; // save pos to avoid recomputation | ||
| 63 | // return HandlesReadAccess | HandlesWriteAccess; // Read/Write access | ||
| 64 | // } | ||
| 65 | // | ||
| 66 | // return ArrayBufferViewClass::queryProperty(object, name, flags, id); | ||
| 67 | //} | ||
| 68 | // | ||
| 69 | //QScriptValue DataViewClass::property(const QScriptValue &object, | ||
| 70 | // const QScriptString &name, uint id) { | ||
| 71 | // QByteArray* arrayBuffer = qscriptvalue_cast<QByteArray*>(object.property(_bufferName).data()); | ||
| 72 | // bool ok = false; | ||
| 73 | // name.toArrayIndex(&ok); | ||
| 74 | // | ||
| 75 | // if (ok && arrayBuffer) { | ||
| 76 | // return (*arrayBuffer)[id]; | ||
| 77 | // } | ||
| 78 | // | ||
| 79 | // return ArrayBufferViewClass::queryProperty(object, name, flags, id); | ||
| 80 | //} | ||
| 81 | // | ||
| 82 | //void DataViewClass::setProperty(QScriptValue &object, | ||
| 83 | // const QScriptString &name, | ||
| 84 | // uint id, const QScriptValue &value) { | ||
| 85 | // QByteArray *ba = qscriptvalue_cast<QByteArray*>(object.data()); | ||
| 86 | // if (!ba) | ||
| 87 | // return; | ||
| 88 | // if (name == length) { | ||
| 89 | // resize(*ba, value.toInt32()); | ||
| 90 | // } else { | ||
| 91 | // qint32 pos = id; | ||
| 92 | // if (pos < 0) | ||
| 93 | // return; | ||
| 94 | // if (ba->size() <= pos) | ||
| 95 | // resize(*ba, pos + 1); | ||
| 96 | // (*ba)[pos] = char(value.toInt32()); | ||
| 97 | // } | ||
| 98 | //} | ||
| 99 | // | ||
| 100 | //QScriptValue::PropertyFlags DataViewClass::propertyFlags(const QScriptValue& object, | ||
| 101 | // const QScriptString& name, uint id) { | ||
| 102 | // return QScriptValue::Undeletable; | ||
| 103 | //} | ||