Struct web_sys::File[−][src]

#[repr(transparent)]
pub struct File { /* fields omitted */ }

Expand description

The File class.

MDN Documentation

This API requires the following crate features to be activated: File

Implementations

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impl File

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pub fn name(&self) -> String

Getter for the name field of this object.

MDN Documentation

This API requires the following crate features to be activated: File

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impl File

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pub fn last_modified(&self) -> f64

Getter for the lastModified field of this object.

MDN Documentation

This API requires the following crate features to be activated: File

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impl File

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pub fn new_with_buffer_source_sequence(
file_bits: &JsValue,
file_name: &str
) -> Result<File, JsValue>

The new File(..) constructor, creating a new instance of File.

MDN Documentation

This API requires the following crate features to be activated: File

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impl File

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pub fn new_with_u8_array_sequence(
file_bits: &JsValue,
file_name: &str
) -> Result<File, JsValue>

The new File(..) constructor, creating a new instance of File.

MDN Documentation

This API requires the following crate features to be activated: File

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impl File

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pub fn new_with_blob_sequence(
file_bits: &JsValue,
file_name: &str
) -> Result<File, JsValue>

The new File(..) constructor, creating a new instance of File.

MDN Documentation

This API requires the following crate features to be activated: File

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impl File

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pub fn new_with_str_sequence(
file_bits: &JsValue,
file_name: &str
) -> Result<File, JsValue>

The new File(..) constructor, creating a new instance of File.

MDN Documentation

This API requires the following crate features to be activated: File

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impl File

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pub fn new_with_buffer_source_sequence_and_options(
 file_bits: &JsValue,
 file_name: &str,
 options: &FilePropertyBag
) -> Result<File, JsValue>

The new File(..) constructor, creating a new instance of File.

MDN Documentation

This API requires the following crate features to be activated: File, FilePropertyBag

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impl File

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pub fn new_with_u8_array_sequence_and_options(
 file_bits: &JsValue,
 file_name: &str,
 options: &FilePropertyBag
) -> Result<File, JsValue>

The new File(..) constructor, creating a new instance of File.

MDN Documentation

This API requires the following crate features to be activated: File, FilePropertyBag

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impl File

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pub fn new_with_blob_sequence_and_options(
 file_bits: &JsValue,
 file_name: &str,
 options: &FilePropertyBag
) -> Result<File, JsValue>

The new File(..) constructor, creating a new instance of File.

MDN Documentation

This API requires the following crate features to be activated: File, FilePropertyBag

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impl File

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pub fn new_with_str_sequence_and_options(
 file_bits: &JsValue,
 file_name: &str,
 options: &FilePropertyBag
) -> Result<File, JsValue>

The new File(..) constructor, creating a new instance of File.

MDN Documentation

This API requires the following crate features to be activated: File, FilePropertyBag

Methods from Deref<Target = Blob>

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pub fn size(&self) -> f64

Getter for the size field of this object.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn type_(&self) -> String

Getter for the type field of this object.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn array_buffer(&self) -> Promise

The arrayBuffer() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice(&self) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice_with_i32(&self, start: i32) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice_with_f64(&self, start: f64) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice_with_i32_and_i32(
 &self,
 start: i32,
 end: i32
) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice_with_f64_and_i32(
 &self,
 start: f64,
 end: i32
) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice_with_i32_and_f64(
 &self,
 start: i32,
 end: f64
) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice_with_f64_and_f64(
 &self,
 start: f64,
 end: f64
) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice_with_i32_and_i32_and_content_type(
 &self,
 start: i32,
 end: i32,
 content_type: &str
) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice_with_f64_and_i32_and_content_type(
 &self,
 start: f64,
 end: i32,
 content_type: &str
) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice_with_i32_and_f64_and_content_type(
 &self,
 start: i32,
 end: f64,
 content_type: &str
) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn slice_with_f64_and_f64_and_content_type(
 &self,
 start: f64,
 end: f64,
 content_type: &str
) -> Result<Blob, JsValue>

The slice() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

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pub fn stream(&self) -> ReadableStream

The stream() method.

MDN Documentation

This API requires the following crate features to be activated: Blob, ReadableStream

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pub fn text(&self) -> Promise

The text() method.

MDN Documentation

This API requires the following crate features to be activated: Blob

Trait Implementations

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impl Clone for File

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fn clone(&self) -> File

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for File

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Deref for File

type Target = Blob

The resulting type after dereferencing.

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fn deref(&self) -> &Blob

Dereferences the value.

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impl FromWasmAbi for File

type Abi = <JsValue as FromWasmAbi>::Abi

The wasm ABI type that this converts from when coming back out from the ABI boundary. Read more

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unsafe fn from_abi(js: Self::Abi) -> Self

Recover a Self from Self::Abi. Read more

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impl IntoWasmAbi for File

type Abi = <JsValue as IntoWasmAbi>::Abi

The wasm ABI type that this converts into when crossing the ABI boundary. Read more

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fn into_abi(self) -> Self::Abi

Convert self into Self::Abi so that it can be sent across the wasm ABI boundary. Read more

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impl<'a> IntoWasmAbi for &'a File

type Abi = <&'a JsValue as IntoWasmAbi>::Abi

The wasm ABI type that this converts into when crossing the ABI boundary. Read more

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fn into_abi(self) -> Self::Abi

Convert self into Self::Abi so that it can be sent across the wasm ABI boundary. Read more

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impl JsCast for File

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fn instanceof(val: &JsValue) -> bool

Performs a dynamic instanceof check to see whether the JsValue provided is an instance of this type. Read more

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fn unchecked_from_js(val: JsValue) -> Self

Performs a zero-cost unchecked conversion from a JsValue into an instance of Self Read more

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fn unchecked_from_js_ref(val: &JsValue) -> &Self

Performs a zero-cost unchecked conversion from a &JsValue into an instance of &Self. Read more

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fn has_type<T>(&self) -> bool where
T: JsCast,

Test whether this JS value has a type T. Read more

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fn dyn_into<T>(self) -> Result<T, Self> where
T: JsCast,

Performs a dynamic cast (checked at runtime) of this value into the target type T. Read more

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fn dyn_ref<T>(&self) -> Option<&T> where
T: JsCast,

Performs a dynamic cast (checked at runtime) of this value into the target type T. Read more

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fn unchecked_into<T>(self) -> T where
T: JsCast,

Performs a zero-cost unchecked cast into the specified type. Read more

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fn unchecked_ref<T>(&self) -> &T where
T: JsCast,

Performs a zero-cost unchecked cast into a reference to the specified type. Read more

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fn is_instance_of<T>(&self) -> bool where
T: JsCast,

Test whether this JS value is an instance of the type T. Read more

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fn is_type_of(val: &JsValue) -> bool

Performs a dynamic check to see whether the JsValue provided is a value of this type. Read more

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impl OptionFromWasmAbi for File

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fn is_none(abi: &Self::Abi) -> bool

Tests whether the argument is a “none” instance. If so it will be deserialized as None, and otherwise it will be passed to FromWasmAbi. Read more

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impl OptionIntoWasmAbi for File

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fn none() -> Self::Abi

Returns an ABI instance indicating “none”, which JS will interpret as the None branch of this option. Read more

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impl<'a> OptionIntoWasmAbi for &'a File

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fn none() -> Self::Abi

Returns an ABI instance indicating “none”, which JS will interpret as the None branch of this option. Read more

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impl PartialEq<File> for File

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fn eq(&self, other: &File) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &File) -> bool

This method tests for !=.

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impl RefFromWasmAbi for File

type Abi = <JsValue as RefFromWasmAbi>::Abi

The wasm ABI type references to Self are recovered from.

type Anchor = ManuallyDrop<File>

The type that holds the reference to Self for the duration of the invocation of the function that has an &Self parameter. This is required to ensure that the lifetimes don’t persist beyond one function call, and so that they remain anonymous. Read more

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unsafe fn ref_from_abi(js: Self::Abi) -> Self::Anchor

Recover a Self::Anchor from Self::Abi. Read more

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impl StructuralPartialEq for File

Auto Trait Implementations

impl RefUnwindSafe for File

impl !Send for File

impl !Sync for File

impl Unpin for File

impl UnwindSafe for File

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

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pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

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pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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pub fn from(t: T) -> T

Performs the conversion.

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impl<T, U> Into for T where
U: From<T>,

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pub fn into(self) -> U

Performs the conversion.

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impl<T> ReturnWasmAbi for T where
T: IntoWasmAbi,

type Abi = <T as IntoWasmAbi>::Abi

Same as IntoWasmAbi::Abi

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pub fn return_abi(self) -> <T as ReturnWasmAbi>::Abi

Same as IntoWasmAbi::into_abi, except that it may throw and never return in the case of Err. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

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pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

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pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct web_sys::File[−][src]

Implementations

impl File

pub fn name(&self) -> String

impl File

pub fn last_modified(&self) -> f64

impl File

pub fn new_with_buffer_source_sequence( file_bits: &JsValue, file_name: &str) -> Result<File, JsValue>

impl File

pub fn new_with_u8_array_sequence( file_bits: &JsValue, file_name: &str) -> Result<File, JsValue>

impl File

pub fn new_with_blob_sequence( file_bits: &JsValue, file_name: &str) -> Result<File, JsValue>

impl File

pub fn new_with_str_sequence( file_bits: &JsValue, file_name: &str) -> Result<File, JsValue>

impl File

pub fn new_with_buffer_source_sequence_and_options( file_bits: &JsValue, file_name: &str, options: &FilePropertyBag) -> Result<File, JsValue>

impl File

pub fn new_with_u8_array_sequence_and_options( file_bits: &JsValue, file_name: &str, options: &FilePropertyBag) -> Result<File, JsValue>

impl File

pub fn new_with_blob_sequence_and_options( file_bits: &JsValue, file_name: &str, options: &FilePropertyBag) -> Result<File, JsValue>

impl File

pub fn new_with_str_sequence_and_options( file_bits: &JsValue, file_name: &str, options: &FilePropertyBag) -> Result<File, JsValue>

Methods from Deref<Target = Blob>

pub fn size(&self) -> f64

pub fn type_(&self) -> String

pub fn array_buffer(&self) -> Promise

pub fn slice(&self) -> Result<Blob, JsValue>

pub fn slice_with_i32(&self, start: i32) -> Result<Blob, JsValue>

pub fn slice_with_f64(&self, start: f64) -> Result<Blob, JsValue>

pub fn slice_with_i32_and_i32( &self, start: i32, end: i32) -> Result<Blob, JsValue>

pub fn slice_with_f64_and_i32( &self, start: f64, end: i32) -> Result<Blob, JsValue>

pub fn slice_with_i32_and_f64( &self, start: i32, end: f64) -> Result<Blob, JsValue>

pub fn slice_with_f64_and_f64( &self, start: f64, end: f64) -> Result<Blob, JsValue>

pub fn slice_with_i32_and_i32_and_content_type( &self, start: i32, end: i32, content_type: &str) -> Result<Blob, JsValue>

pub fn slice_with_f64_and_i32_and_content_type( &self, start: f64, end: i32, content_type: &str) -> Result<Blob, JsValue>

pub fn slice_with_i32_and_f64_and_content_type( &self, start: i32, end: f64, content_type: &str) -> Result<Blob, JsValue>

pub fn slice_with_f64_and_f64_and_content_type( &self, start: f64, end: f64, content_type: &str) -> Result<Blob, JsValue>

pub fn stream(&self) -> ReadableStream

pub fn text(&self) -> Promise

Trait Implementations

impl AsRef<Blob> for File

fn as_ref(&self) -> &Blob

impl AsRef<File> for File

fn as_ref(&self) -> &File

impl AsRef<JsValue> for File

fn as_ref(&self) -> &JsValue

impl AsRef<Object> for File

fn as_ref(&self) -> &Object

impl Clone for File

fn clone(&self) -> File

fn clone_from(&mut self, source: &Self)

impl Debug for File

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Deref for File

type Target = Blob

fn deref(&self) -> &Blob

impl From<File> for JsValue

fn from(obj: File) -> JsValue

impl From<File> for Blob

fn from(obj: File) -> Blob

impl From<File> for Object

fn from(obj: File) -> Object

impl From<JsValue> for File

fn from(obj: JsValue) -> File

impl FromWasmAbi for File

type Abi = <JsValue as FromWasmAbi>::Abi

unsafe fn from_abi(js: Self::Abi) -> Self

impl IntoWasmAbi for File

type Abi = <JsValue as IntoWasmAbi>::Abi

fn into_abi(self) -> Self::Abi

impl<'a> IntoWasmAbi for &'a File

type Abi = <&'a JsValue as IntoWasmAbi>::Abi

fn into_abi(self) -> Self::Abi

impl JsCast for File

fn instanceof(val: &JsValue) -> bool

fn unchecked_from_js(val: JsValue) -> Self

fn unchecked_from_js_ref(val: &JsValue) -> &Self

fn has_type<T>(&self) -> bool where T: JsCast,

fn dyn_into<T>(self) -> Result<T, Self> where T: JsCast,

fn dyn_ref<T>(&self) -> Option<&T> where T: JsCast,

pub fn new_with_buffer_source_sequence(
file_bits: &JsValue,
file_name: &str
) -> Result<File, JsValue>

pub fn new_with_u8_array_sequence(
file_bits: &JsValue,
file_name: &str
) -> Result<File, JsValue>

pub fn new_with_blob_sequence(
file_bits: &JsValue,
file_name: &str
) -> Result<File, JsValue>

pub fn new_with_str_sequence(
file_bits: &JsValue,
file_name: &str
) -> Result<File, JsValue>

pub fn new_with_buffer_source_sequence_and_options(
file_bits: &JsValue,
file_name: &str,
options: &FilePropertyBag
) -> Result<File, JsValue>

pub fn new_with_u8_array_sequence_and_options(
file_bits: &JsValue,
file_name: &str,
options: &FilePropertyBag
) -> Result<File, JsValue>

pub fn new_with_blob_sequence_and_options(
file_bits: &JsValue,
file_name: &str,
options: &FilePropertyBag
) -> Result<File, JsValue>

pub fn new_with_str_sequence_and_options(
file_bits: &JsValue,
file_name: &str,
options: &FilePropertyBag
) -> Result<File, JsValue>

pub fn slice_with_i32_and_i32(
&self,
start: i32,
end: i32
) -> Result<Blob, JsValue>

pub fn slice_with_f64_and_i32(
&self,
start: f64,
end: i32
) -> Result<Blob, JsValue>

pub fn slice_with_i32_and_f64(
&self,
start: i32,
end: f64
) -> Result<Blob, JsValue>

pub fn slice_with_f64_and_f64(
&self,
start: f64,
end: f64
) -> Result<Blob, JsValue>

pub fn slice_with_i32_and_i32_and_content_type(
&self,
start: i32,
end: i32,
content_type: &str
) -> Result<Blob, JsValue>

pub fn slice_with_f64_and_i32_and_content_type(
&self,
start: f64,
end: i32,
content_type: &str
) -> Result<Blob, JsValue>

pub fn slice_with_i32_and_f64_and_content_type(
&self,
start: i32,
end: f64,
content_type: &str
) -> Result<Blob, JsValue>

pub fn slice_with_f64_and_f64_and_content_type(
&self,
start: f64,
end: f64,
content_type: &str
) -> Result<Blob, JsValue>

fn has_type<T>(&self) -> bool where
T: JsCast,

fn dyn_into<T>(self) -> Result<T, Self> where
T: JsCast,

fn dyn_ref<T>(&self) -> Option<&T> where
T: JsCast,

fn unchecked_into<T>(self) -> T where
T: JsCast,

fn unchecked_ref<T>(&self) -> &T where
T: JsCast,

fn is_instance_of<T>(&self) -> bool where
T: JsCast,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ReturnWasmAbi for T where
T: IntoWasmAbi,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,