[−][src]Struct stdweb::web::FileReader
The FileReader object lets web applications asynchronously read the contents of files (or raw data buffers) stored on the user's computer, using File or Blob objects to specify the file or data to read.
Methods
impl FileReader
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impl FileReader
pub fn new() -> FileReader | [src] |
Returns a newly constructed FileReader
.
pub fn read_as_text<T: IBlob>(&self, blob: &T) -> Result<(), TODO> | [src] |
Starts reading the contents of the specified blob. Once finished
the result
attribute will contain the contents of the file as a text string.
pub fn read_as_array_buffer<T: IBlob>(&self, blob: &T) -> Result<(), TODO> | [src] |
Starts reading the contents of the specified blob. Once finished
the result
attribute will contain the contents of the file as an TypedArray.
pub fn abort(&self) | [src] |
Aborts the read operation. Upon return, the ready_state
will be Done
.
pub fn ready_state(&self) -> FileReaderReadyState | [src] |
Returns the current state of the reader.
pub fn result(&self) -> Option<FileReaderResult> | [src] |
The file's contents. This method will only return a value after the read operation is complete, and the format of the data depends on which of the methods was used to initiate the read operation.
Trait Implementations
impl JsSerialize for FileReader
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impl JsSerialize for FileReader
impl TryFrom<EventTarget> for FileReader
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impl TryFrom<EventTarget> for FileReader
type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(value: EventTarget) -> Result<Self, Self::Error> | [src] |
impl TryFrom<FileReader> for Reference
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impl TryFrom<FileReader> for Reference
type Error = Void
The type returned in the event of a conversion error.
fn try_from(value: FileReader) -> Result<Self, Self::Error> | [src] |
impl TryFrom<Reference> for FileReader
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impl TryFrom<Reference> for FileReader
type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(reference: Reference) -> Result<Self, Self::Error> | [src] |
impl<'_r> TryFrom<&'_r Reference> for FileReader
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impl<'_r> TryFrom<&'_r Reference> for FileReader
type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(reference: &Reference) -> Result<Self, Self::Error> | [src] |
impl TryFrom<Value> for FileReader
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impl TryFrom<Value> for FileReader
type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(value: Value) -> Result<Self, Self::Error> | [src] |
impl<'_r> TryFrom<&'_r Value> for FileReader
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impl<'_r> TryFrom<&'_r Value> for FileReader
type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(value: &Value) -> Result<Self, Self::Error> | [src] |
impl InstanceOf for FileReader
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impl InstanceOf for FileReader
fn instance_of(reference: &Reference) -> bool | [src] |
impl ReferenceType for FileReader
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impl ReferenceType for FileReader
unsafe fn from_reference_unchecked(reference: Reference) -> Self | [src] |
impl IEventTarget for FileReader
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impl IEventTarget for FileReader
fn add_event_listener<T, F>(&self, listener: F) -> EventListenerHandle where | [src] |
Adds given event handler to the list of event listeners for the specified EventTarget
on which it's called. Read more
fn dispatch_event<T: IEvent>(&self, event: &T) -> Result<bool, TODO> | [src] |
Dispatches an Event
at this EventTarget
, invoking the affected event listeners in the appropriate order. Read more
impl AsRef<Reference> for FileReader
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impl AsRef<Reference> for FileReader
impl Clone for FileReader
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impl Clone for FileReader
fn clone(&self) -> FileReader | [src] |
fn clone_from(&mut self, source: &Self) | 1.0.0 [src] |
Performs copy-assignment from source
. Read more
impl From<FileReader> for EventTarget
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impl From<FileReader> for EventTarget
fn from(value: FileReader) -> Self | [src] |
impl From<FileReader> for Reference
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impl From<FileReader> for Reference
fn from(value: FileReader) -> Self | [src] |
impl Eq for FileReader
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impl Eq for FileReader
impl PartialEq<FileReader> for FileReader
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impl PartialEq<FileReader> for FileReader
fn eq(&self, other: &FileReader) -> bool | [src] |
fn ne(&self, other: &FileReader) -> bool | [src] |
impl Debug for FileReader
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impl Debug for FileReader
Auto Trait Implementations
impl Send for FileReader
impl Send for FileReader
impl Sync for FileReader
impl Sync for FileReader
Blanket Implementations
impl<T> From for T
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impl<T> From for T
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error> | [src] |
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error> | [src] |
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T | [src] |
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId | [src] |