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Class: Buffer::View

Inherits:
Object show all
Includes:
Native::Wrapper
Defined in:
opal/stdlib/buffer/view.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Native::Wrapper

included , #to_n

Constructor Details

#initialize(buffer, offset = nil, length = nil) ⇒ View

Returns a new instance of View

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# File 'opal/stdlib/buffer/view.rb', line 11
def initialize(buffer, offset = nil, length = nil)
 if native?(buffer)
 super(buffer)
 elsif offset && length
 super(`new DataView(#{buffer.to_n}, #{offset.to_n}, #{length.to_n})`)
 elsif offset
 super(`new DataView(#{buffer.to_n}, #{offset.to_n})`)
 else
 super(`new DataView(#{buffer.to_n})`)
 end
 @buffer = buffer
 @offset = offset
end

Instance Attribute Details

#bufferObject (readonly)

Returns the value of attribute buffer

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# File 'opal/stdlib/buffer/view.rb', line 9
def buffer
 @buffer
end

#offsetObject (readonly)

Returns the value of attribute offset

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# File 'opal/stdlib/buffer/view.rb', line 9
def offset
 @offset
end

Class Method Details

.supported?Boolean

Returns:

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# File 'opal/stdlib/buffer/view.rb', line 5
def self.supported?
 !$$[:DataView].nil?
end

Instance Method Details

#get(offset, bits = 8, type = :unsigned, little = false) ⇒ Object Also known as: []

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# File 'opal/stdlib/buffer/view.rb', line 32
def get(offset, bits = 8, type = :unsigned, little = false)
 `#{@native}["get" + #{Buffer .name_for  bits, type}](offset, little)`
end

#get_float32(offset, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 92
def get_float32(offset, little = false)
 `#{@native}.getFloat32(offset, little)`
end

#get_float64(offset, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 100
def get_float64(offset, little = false)
 `#{@native}.getFloat64(offset, little)`
end

#get_int16(offset, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 60
def get_int16(offset, little = false)
 `#{@native}.getInt16(offset, little)`
end

#get_int32(offset, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 76
def get_int32(offset, little = false)
 `#{@native}.getInt32(offset, little)`
end

#get_int8(offset, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 44
def get_int8(offset, little = false)
 `#{@native}.getInt8(offset, little)`
end

#get_uint16(offset, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 68
def get_uint16(offset, little = false)
 `#{@native}.getUint16(offset, little)`
end

#get_uint32(offset, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 84
def get_uint32(offset, little = false)
 `#{@native}.getUint32(offset, little)`
end

#get_uint8(offset, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 52
def get_uint8(offset, little = false)
 `#{@native}.getUint8(offset, little)`
end

#lengthObject Also known as: size

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# File 'opal/stdlib/buffer/view.rb', line 26
def length
 `#{@native}.byteLength`
end

#set(offset, value, bits = 8, type = :unsigned, little = false) ⇒ Object Also known as: []=

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# File 'opal/stdlib/buffer/view.rb', line 38
def set(offset, value, bits = 8, type = :unsigned, little = false)
 `#{@native}["set" + #{Buffer .name_for  bits, type}](offset, value, little)`
end

#set_float32(offset, value, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 96
def set_float32(offset, value, little = false)
 `#{@native}.setFloat32(offset, value, little)`
end

#set_float64(offset, value, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 104
def set_float64(offset, value, little = false)
 `#{@native}.setFloat64(offset, value, little)`
end

#set_int16(offset, value, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 64
def set_int16(offset, value, little = false)
 `#{@native}.setInt16(offset, value, little)`
end

#set_int32(offset, value, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 80
def set_int32(offset, value, little = false)
 `#{@native}.setInt32(offset, value, little)`
end

#set_int8(offset, value, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 48
def set_int8(offset, value, little = false)
 `#{@native}.setInt8(offset, value, little)`
end

#set_uint16(offset, value, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 72
def set_uint16(offset, value, little = false)
 `#{@native}.setUint16(offset, value, little)`
end

#set_uint32(offset, value, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 88
def set_uint32(offset, value, little = false)
 `#{@native}.setUint32(offset, value, little)`
end

#set_uint8(offset, value, little = false) ⇒ Object

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# File 'opal/stdlib/buffer/view.rb', line 56
def set_uint8(offset, value, little = false)
 `#{@native}.setUint8(offset, value, little)`
end

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