Struct ion_rs::BinaryIonCursor [−][src]
pub struct BinaryIonCursor<R> where
R: IonDataSource, { /* fields omitted */ }
Implementations
impl<T> BinaryIonCursor<Cursor<T>> where
T: AsRef<[u8]>,
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impl<T> BinaryIonCursor<Cursor<T>> where
T: AsRef<[u8]>,
[src]Additional functionality that’s only available if the data source is in-memory, such as a
Vec
pub fn field_id_length(&self) -> Option<usize>
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pub fn field_id_offset(&self) -> Option<usize>
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pub fn field_id_range(&self) -> Option<Range<usize>>
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pub fn annotations_length(&self) -> Option<usize>
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pub fn annotations_offset(&self) -> Option<usize>
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pub fn annotations_range(&self) -> Option<Range<usize>>
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pub fn header_length(&self) -> usize
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pub fn header_offset(&self) -> usize
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pub fn header_range(&self) -> Range<usize>
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pub fn value_length(&self) -> usize
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pub fn value_offset(&self) -> usize
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pub fn value_range(&self) -> Range<usize>
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pub fn raw_bytes(&self) -> Option<&[u8]>
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pub fn raw_bytes(&self) -> Option<&[u8]>
[src]Returns a slice containing the entirety of this encoded value, including its field ID (if present), its annotations (if present), its header, and the encoded value itself. Calling this function does not advance the cursor.
pub fn raw_header_bytes(&self) -> Option<&[u8]>
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pub fn raw_header_bytes(&self) -> Option<&[u8]>
[src]Returns a slice containing the current value’s header’s raw bytes without advancing the
cursor. Includes the type descriptor byte and any bytes used to represent the length
field.
pub fn raw_value_bytes(&self) -> Option<&[u8]>
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pub fn raw_value_bytes(&self) -> Option<&[u8]>
[src]Returns a slice containing the current value’s raw bytes (not including its field ID, annotations, or type descriptor byte) without advancing the cursor.
impl<R> BinaryIonCursor<R> where
R: IonDataSource,
[src]
impl<R> BinaryIonCursor<R> where
R: IonDataSource,
[src]Trait Implementations
impl<R: IonDataSource> Cursor for BinaryIonCursor<R>
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impl<R: IonDataSource> Cursor for BinaryIonCursor<R>
[src]type DataSource = R
fn ion_version(&self) -> (u8, u8)
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fn ion_version(&self) -> (u8, u8)
[src]Returns the (major, minor) version of the Ion stream being read. If ion_version is called before an Ion Version Marker has been read, the version (1, 0) will be returned. Read more
fn next(&mut self) -> IonResult<Option<StreamItem>>
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fn next(&mut self) -> IonResult<Option<StreamItem>>
[src]Attempts to advance the cursor to the next value in the stream at the current depth. If no value is encountered, returns None; otherwise, returns the Ion type of the next value. Read more
fn ion_type(&self) -> Option<IonType>
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fn ion_type(&self) -> Option<IonType>
[src]Returns the Ion type of the value currently positioned under the cursor. If the cursor is not positioned over a value, returns None. Read more
fn is_null(&self) -> bool
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fn is_null(&self) -> bool
[src]Returns true if the current value is a null of any type; otherwise, returns false.
fn annotation_ids(&self) -> &[SymbolId]
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fn annotation_ids(&self) -> &[SymbolId]
[src]Returns a slice containing all of the annotation symbol IDs for the current value. If there is no current value, returns an empty slice. Read more
fn field_id(&self) -> Option<SymbolId>
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fn field_id(&self) -> Option<SymbolId>
[src]If the current value is a field within a struct, returns the symbol ID of that field’s name; otherwise, returns None. Read more
fn read_null(&mut self) -> IonResult<Option<IonType>>
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fn read_null(&mut self) -> IonResult<Option<IonType>>
[src]If the current value is a null, returns the Ion type of the null; otherwise, returns None. Read more
fn read_bool(&mut self) -> IonResult<Option<bool>>
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fn read_bool(&mut self) -> IonResult<Option<bool>>
[src]If the current value is a boolean, returns its value as a bool; otherwise, returns None.
fn read_i64(&mut self) -> IonResult<Option<i64>>
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fn read_i64(&mut self) -> IonResult<Option<i64>>
[src]If the current value is an integer, returns its value as an i64; otherwise, returns None.
fn read_f32(&mut self) -> IonResult<Option<f32>>
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fn read_f32(&mut self) -> IonResult<Option<f32>>
[src]If the current value is a float, returns its value as an f32; otherwise, returns None.
fn read_f64(&mut self) -> IonResult<Option<f64>>
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fn read_f64(&mut self) -> IonResult<Option<f64>>
[src]If the current value is a float, returns its value as an f64; otherwise, returns None.
fn read_big_decimal(&mut self) -> IonResult<Option<BigDecimal>>
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fn read_big_decimal(&mut self) -> IonResult<Option<BigDecimal>>
[src]If the current value is a decimal, returns its value as an BigDecimal; otherwise, returns None. Read more
fn read_string(&mut self) -> IonResult<Option<String>>
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fn read_string(&mut self) -> IonResult<Option<String>>
[src]If the current value is a string, returns its value as a String; otherwise, returns None.
fn string_ref_map<F, T>(&mut self, f: F) -> IonResult<Option<T>> where
F: FnOnce(&str) -> T,
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fn string_ref_map<F, T>(&mut self, f: F) -> IonResult<Option<T>> where
F: FnOnce(&str) -> T,
[src]Runs the provided closure, passing in a reference to the string to be read and allowing a calculated value of any type to be returned. When possible, string_ref_map will pass a reference directly to the bytes in the input buffer rather than allocating a new string. Read more
fn string_bytes_map<F, T>(&mut self, f: F) -> IonResult<Option<T>> where
F: FnOnce(&[u8]) -> T,
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fn string_bytes_map<F, T>(&mut self, f: F) -> IonResult<Option<T>> where
F: FnOnce(&[u8]) -> T,
[src]Runs the provided closure, passing in a reference to the unparsed, unvalidated bytes of the string to be read and allowing a calculated value of any type to be returned. When possible, string_bytes_map will pass a reference directly to the bytes in the input buffer rather than copying the data. Read more
fn read_symbol_id(&mut self) -> IonResult<Option<SymbolId>>
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fn read_symbol_id(&mut self) -> IonResult<Option<SymbolId>>
[src]If the current value is a symbol, returns its value as a SymbolId; otherwise, returns None.
fn read_blob_bytes(&mut self) -> IonResult<Option<Vec<u8>>>
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fn read_blob_bytes(&mut self) -> IonResult<Option<Vec<u8>>>
[src]If the current value is a blob, returns its value as a Vec
fn blob_ref_map<F, T>(&mut self, f: F) -> IonResult<Option<T>> where
F: FnOnce(&[u8]) -> T,
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fn blob_ref_map<F, T>(&mut self, f: F) -> IonResult<Option<T>> where
F: FnOnce(&[u8]) -> T,
[src]Runs the provided closure, passing in a reference to the blob to be read and allowing a calculated value of any type to be returned. When possible, blob_ref_map will pass a reference directly to the bytes in the input buffer rather than allocating a new array. Read more
fn clob_ref_map<F, T>(&mut self, f: F) -> IonResult<Option<T>> where
F: FnOnce(&[u8]) -> T,
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fn clob_ref_map<F, T>(&mut self, f: F) -> IonResult<Option<T>> where
F: FnOnce(&[u8]) -> T,
[src]Runs the provided closure, passing in a reference to the clob to be read and allowing a calculated value of any type to be returned. When possible, clob_ref_map will pass a reference directly to the bytes in the input buffer rather than allocating a new array. Read more
fn read_clob_bytes(&mut self) -> IonResult<Option<Vec<u8>>>
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fn read_clob_bytes(&mut self) -> IonResult<Option<Vec<u8>>>
[src]If the current value is a clob, returns its value as a Vec
fn read_datetime(&mut self) -> IonResult<Option<DateTime<FixedOffset>>>
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fn read_datetime(&mut self) -> IonResult<Option<DateTime<FixedOffset>>>
[src]If the current value is a timestamp, returns its value as a DateTime
fn step_in(&mut self) -> IonResult<()>
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fn step_in(&mut self) -> IonResult<()>
[src]If the current value is a container (i.e. a struct, list, or s-expression), positions the cursor at the beginning of that container’s sequence of child values. If the current value is not a container, returns Err. Read more
fn step_out(&mut self) -> IonResult<()>
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fn step_out(&mut self) -> IonResult<()>
[src]Positions the cursor at the end of the container currently being traversed. Calling next() will position the cursor over the value that follows the container. If the cursor is not in a container (i.e. it is already at the top level), returns Err. Read more
fn depth(&self) -> usize
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Auto Trait Implementations
impl<R> !RefUnwindSafe for BinaryIonCursor<R>
impl<R> Send for BinaryIonCursor<R> where
R: Send,
R: Send,
impl<R> Sync for BinaryIonCursor<R> where
R: Sync,
R: Sync,
impl<R> Unpin for BinaryIonCursor<R> where
R: Unpin,
R: Unpin,
impl<R> !UnwindSafe for BinaryIonCursor<R>
Blanket Implementations
impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]
impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut T
[src]
pub fn borrow_mut(&mut self) -> &mut T
[src]Mutably borrows from an owned value. Read more
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Self: Display,
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Self: LowerExp,
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Pipes a trait borrow into a function that cannot normally be called in suffix position. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
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Calls .tap()
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self where
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Calls .tap_borrow()
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Calls .tap_ref()
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
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impl<T> Tap for T
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fn tap<F, R>(self, func: F) -> Self where
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fn tap_dbg<F, R>(self, func: F) -> Self where
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fn tap_dbg<F, R>(self, func: F) -> Self where
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Calls tap
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F: FnOnce(&T) -> R,
Calls tap_ref
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Self: AsMut<T>,
F: FnOnce(&mut T) -> R,
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Provides mutable access to the reference for modification.
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F: FnOnce(&mut T) -> R,
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F: FnOnce(&mut T) -> R,
Calls tap_ref_mut
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impl<T, U> TapBorrow<U> for T where
U: ?Sized,
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U: ?Sized,
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Self: Borrow<T>,
F: FnOnce(&T) -> R,
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Self: Borrow<T>,
F: FnOnce(&T) -> R,
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fn tap_borrow_dbg<F, R>(self, func: F) -> Self where
Self: Borrow<T>,
F: FnOnce(&T) -> R,
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Self: Borrow<T>,
F: FnOnce(&T) -> R,
Calls tap_borrow
in debug builds, and does nothing in release builds.
fn tap_borrow_mut<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,
fn tap_borrow_mut<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,
Provides mutable access to the borrow for modification.
fn tap_borrow_mut_dbg<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,
fn tap_borrow_mut_dbg<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,
Calls tap_borrow_mut
in debug builds, and does nothing in release
builds. Read more
impl<T> TapDeref for T
impl<T> TapDeref for T
fn tap_deref<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,
fn tap_deref<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,
Immutably dereferences self
for inspection.
fn tap_deref_dbg<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,
fn tap_deref_dbg<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,
Calls tap_deref
in debug builds, and does nothing in release builds.
fn tap_deref_mut<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,
fn tap_deref_mut<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,
Mutably dereferences self
for modification.
fn tap_deref_mut_dbg<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,
fn tap_deref_mut_dbg<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,
Calls tap_deref_mut
in debug builds, and does nothing in release
builds. Read more