Class NativeArrayBufferView
- java.lang.Object
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- org.mozilla.javascript.ScriptableObject
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- org.mozilla.javascript.IdScriptableObject
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- org.mozilla.javascript.typedarrays.NativeArrayBufferView
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- All Implemented Interfaces:
java.io.Serializable,ConstProperties,DebuggableObject,IdFunctionCall,Scriptable,SymbolScriptable
- Direct Known Subclasses:
NativeDataView,NativeTypedArrayView
public abstract class NativeArrayBufferView extends IdScriptableObject
This class is the abstract parent for all views of the array. It shows a view of the underlying NativeArrayBuffer. Many views may simultaneously share the same buffer, and changes to one will affect all.- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from class org.mozilla.javascript.ScriptableObject
ScriptableObject.KeyComparator
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Field Summary
Fields Modifier and Type Field Description protected NativeArrayBufferarrayBufferMany view objects can share the same backing arrayprotected intbyteLengthThe length, in bytes, of the portion of the backing array that we useprotected static intMAX_INSTANCE_IDprotected intoffsetThe offset, in bytes, from the start of the backing array-
Fields inherited from class org.mozilla.javascript.ScriptableObject
CONST, DONTENUM, EMPTY, PERMANENT, READONLY, UNINITIALIZED_CONST
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Fields inherited from interface org.mozilla.javascript.Scriptable
NOT_FOUND
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Constructor Summary
Constructors Modifier Constructor Description NativeArrayBufferView()protectedNativeArrayBufferView(NativeArrayBuffer ab, int offset, int byteLength)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description protected intfindInstanceIdInfo(java.lang.String s)Map name to id of instance property.java.lang.Objectget(Symbol key, Scriptable start)Another version of Get that supports Symbol keyed properties.NativeArrayBuffergetBuffer()Return the buffer that backs this view.intgetByteLength()Return the length, in bytes, of the part of the buffer that this view represents.intgetByteOffset()Return the offset in bytes from the start of the buffer that this view represents.protected java.lang.StringgetInstanceIdName(int id)Map id back to property name it defines.protected java.lang.ObjectgetInstanceIdValue(int id)Get id value.protected intgetMaxInstanceId()Get maximum id findInstanceIdInfo can generate.protected static booleanisArg(java.lang.Object[] args, int i)protected static booleanuseLittleEndian()-
Methods inherited from class org.mozilla.javascript.IdScriptableObject
activatePrototypeMap, addIdFunctionProperty, defaultGet, defaultHas, defaultPut, defineOwnProperty, delete, delete, ensureType, execIdCall, exportAsJSClass, fillConstructorProperties, findInstanceIdInfo, findPrototypeId, findPrototypeId, get, getAttributes, getAttributes, getOwnPropertyDescriptor, has, has, hasPrototypeMap, initPrototypeConstructor, initPrototypeId, initPrototypeMethod, initPrototypeMethod, initPrototypeMethod, initPrototypeValue, initPrototypeValue, instanceIdInfo, put, put, setAttributes, setInstanceIdAttributes, setInstanceIdValue
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Methods inherited from class org.mozilla.javascript.ScriptableObject
applyDescriptorToAttributeBitset, associateValue, avoidObjectDetection, buildDataDescriptor, callMethod, callMethod, checkPropertyChange, checkPropertyDefinition, defineClass, defineClass, defineClass, defineConst, defineConstProperty, defineFunctionProperties, defineOwnProperties, defineOwnProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, delete, deleteProperty, deleteProperty, ensureScriptable, ensureScriptableObject, ensureSymbolScriptable, equivalentValues, get, get, getAllIds, getArrayPrototype, getAssociatedValue, getAttributes, getAttributes, getAttributes, getClassName, getClassPrototype, getDefaultValue, getDefaultValue, getExternalArrayData, getExternalArrayLength, getFunctionPrototype, getGeneratorFunctionPrototype, getGetterOrSetter, getGetterOrSetter, getIds, getObjectPrototype, getParentScope, getProperty, getProperty, getProperty, getPropertyIds, getPrototype, getTopLevelScope, getTopScopeValue, getTypedProperty, getTypedProperty, getTypeOf, has, hasInstance, hasProperty, hasProperty, hasProperty, isAccessorDescriptor, isConst, isDataDescriptor, isEmpty, isExtensible, isFalse, isGenericDescriptor, isGetterOrSetter, isSealed, isTrue, preventExtensions, put, putConst, putConstProperty, putProperty, putProperty, putProperty, querySlot, redefineProperty, sameValue, sealObject, setAttributes, setAttributes, setAttributes, setAttributes, setCommonDescriptorProperties, setExternalArrayData, setGetterOrSetter, setParentScope, setPrototype, size
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Field Detail
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arrayBuffer
protected final NativeArrayBuffer arrayBuffer
Many view objects can share the same backing array
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offset
protected final int offset
The offset, in bytes, from the start of the backing array
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byteLength
protected final int byteLength
The length, in bytes, of the portion of the backing array that we use
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MAX_INSTANCE_ID
protected static final int MAX_INSTANCE_ID
- See Also:
- Constant Field Values
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Constructor Detail
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NativeArrayBufferView
public NativeArrayBufferView()
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NativeArrayBufferView
protected NativeArrayBufferView(NativeArrayBuffer ab, int offset, int byteLength)
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Method Detail
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getBuffer
public NativeArrayBuffer getBuffer()
Return the buffer that backs this view.
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getByteOffset
public int getByteOffset()
Return the offset in bytes from the start of the buffer that this view represents.
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getByteLength
public int getByteLength()
Return the length, in bytes, of the part of the buffer that this view represents.
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useLittleEndian
protected static boolean useLittleEndian()
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isArg
protected static boolean isArg(java.lang.Object[] args, int i)
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getMaxInstanceId
protected int getMaxInstanceId()
Description copied from class:IdScriptableObjectGet maximum id findInstanceIdInfo can generate.- Overrides:
getMaxInstanceIdin classIdScriptableObject
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getInstanceIdName
protected java.lang.String getInstanceIdName(int id)
Description copied from class:IdScriptableObjectMap id back to property name it defines.- Overrides:
getInstanceIdNamein classIdScriptableObject
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getInstanceIdValue
protected java.lang.Object getInstanceIdValue(int id)
Description copied from class:IdScriptableObjectGet id value. * If id value is constant, descendant can call cacheIdValue to store * value in the permanent cache. * Default implementation creates IdFunctionObject instance for given id * and cache its value- Overrides:
getInstanceIdValuein classIdScriptableObject
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findInstanceIdInfo
protected int findInstanceIdInfo(java.lang.String s)
Description copied from class:IdScriptableObjectMap name to id of instance property. Should return 0 if not found or the result ofIdScriptableObject.instanceIdInfo(int, int).- Overrides:
findInstanceIdInfoin classIdScriptableObject
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get
public java.lang.Object get(Symbol key, Scriptable start)
Description copied from class:ScriptableObjectAnother version of Get that supports Symbol keyed properties.- Specified by:
getin interfaceSymbolScriptable- Overrides:
getin classIdScriptableObject
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