[−][src]Struct abi_stable::external_types::serde_json::RawValueRef
An ffi-safe equivalent of &serde_json::value::RawValue
Example
This defines a function that serializes a struct,
and deserializes the json into another one with RawValueRef
fields.
use abi_stable::{ external_types::RawValueRef, std_types::{RStr,RResult,ROk,RErr,RString,RBoxError}, sabi_extern_fn, }; use serde::{Serialize,Deserialize}; use std::collections::HashMap; const JSON:&'static str=r##"{"hello":"world"}"##; let value=RawValueRef::try_from_str(JSON).unwrap(); assert_eq!( serde_json::to_string(&value).unwrap().as_str(), JSON ); #[derive(Serialize)] pub struct Pair{ pub first:Vec<u32>, pub second:HashMap<RString,RString>, } #[derive(Debug,Deserialize)] pub struct PairDeserialize<'a>{ #[serde(borrow)] pub first:RawValueRef<'a>, #[serde(borrow)] pub second:RawValueRef<'a>, } #[sabi_extern_fn] fn deserialize_data_structure<'de>( input:RStr<'de>, )->RResult<PairDeserialize<'de>,RBoxError>{ match serde_json::from_str::<PairDeserialize>(input.into()) { Ok(x)=>ROk(x), Err(x)=>RErr(RBoxError::new(x)), } } let json= serde_json::to_string(&Pair{ first:vec![0,1,2], second:vec![ (RString::from("hello"),"world".into()) ].into_iter().collect(), }).unwrap(); let pair=deserialize_data_structure(json.as_str().into()).unwrap(); assert_eq!(pair.first.get(),"[0,1,2]"); assert_eq!(pair.second.get(),r##"{"hello":"world"}"##);
Methods
impl<'a> RawValueRef<'a>
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pub unsafe fn from_str_unchecked(input: &'a str) -> RawValueRef<'a>
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Converts a &str
to a RawValueRef<'a>
without checking whether it is valid JSON.
Safety
input
must be valid JSON and contain no leading or trailing whitespace.
Example
use abi_stable::external_types::RawValueRef; const JSON:&'static str=r##"{"huh":"that is interesting"}"##; let value=unsafe{ RawValueRef::from_str_unchecked(JSON) }; assert_eq!( serde_json::to_string(&value).unwrap().as_str(), JSON );
pub unsafe fn from_rstr_unchecked(input: RStr<'a>) -> RawValueRef<'a>
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Converts a RStr<'a>
to a RawValueRef<'a>
without checking whether it is valid JSON.
Safety
input
must be valid JSON and contain no leading or trailing whitespace.
Example
use abi_stable::{ external_types::RawValueRef, std_types::RStr, }; const JSON:&'static str=r##"{"huh":"that is interesting"}"##; let json_rstr=RStr::from(JSON); let value=unsafe{ RawValueRef::from_rstr_unchecked(json_rstr) }; assert_eq!( serde_json::to_string(&value).unwrap().as_str(), JSON );
pub fn try_from_str(input: &'a str) -> Result<Self, JsonError>
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Attempts to convert a &'a str
into a RawValueRef<'a>
.
Fails in the same cases as parsing a &'a RawValue
from a string does.
Example
use abi_stable::{ external_types::RawValueRef, std_types::RStr, }; const JSON:&'static str=r##"{"nope":"oof"}"##; let raw=RawValueRef::try_from_str(JSON).unwrap(); assert_eq!( raw.get(), JSON );
pub fn get(&self) -> &'a str
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Gets the json being serialized,as a &str
.
Example
use abi_stable::external_types::RawValueRef; const JSON:&'static str=r##"{"huh":1007}"##; let raw=serde_json::from_str::<RawValueRef<'static>>(JSON).unwrap(); assert_eq!( raw.get(), JSON );
pub fn get_rstr(&self) -> RStr<'a>
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Gets the json being serialized,as a RStr<'a>
.
Example
use abi_stable::{ external_types::RawValueRef, std_types::RStr, }; const JSON:&'static str=r##"{"bugs":"life"}"##; let raw=serde_json::from_str::<RawValueRef<'static>>(JSON).unwrap(); assert_eq!( raw.get_rstr(), RStr::from(JSON) );
Trait Implementations
impl<'a> GetStaticEquivalent_ for RawValueRef<'a>
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type StaticEquivalent = _static_RawValueRef<'static>
impl<'a> SharedStableAbi for RawValueRef<'a>
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type IsNonZeroType = <RStr<'a> as __SharedStableAbi>::IsNonZeroType
Whether this type has a single invalid bit-pattern. Read more
type Kind = __ValueKind
The kind of abi stability of this type,there are 2: Read more
const S_LAYOUT: &'static TypeLayout
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const S_ABI_CONSTS: AbiConsts
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impl<'a> From<&'a RawValue> for RawValueRef<'a>
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impl<'a> Clone for RawValueRef<'a>
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fn clone(&self) -> RawValueRef<'a>
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fn clone_from(&mut self, source: &Self)
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impl<'a> Copy for RawValueRef<'a>
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impl<'a> Display for RawValueRef<'a>
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impl<'a> Debug for RawValueRef<'a>
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impl<'a> TryFrom<&'a str> for RawValueRef<'a>
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type Error = JsonError
The type returned in the event of a conversion error.
fn try_from(v: &'a str) -> Result<Self, JsonError>
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impl<'de: 'a, 'a> Deserialize<'de> for RawValueRef<'a>
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
D: Deserializer<'de>,
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D: Deserializer<'de>,
impl<'a> Serialize for RawValueRef<'a>
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Auto Trait Implementations
impl<'a> Send for RawValueRef<'a>
impl<'a> Sync for RawValueRef<'a>
impl<'a> Unpin for RawValueRef<'a>
impl<'a> UnwindSafe for RawValueRef<'a>
impl<'a> RefUnwindSafe for RawValueRef<'a>
Blanket Implementations
impl<This> StableAbi for This where
This: SharedStableAbi<Kind = ValueKind>,
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This: SharedStableAbi<Kind = ValueKind>,
const LAYOUT: &'static TypeLayout
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const ABI_CONSTS: AbiConsts
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impl<This> TransmuteElement for This where
This: ?Sized,
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This: ?Sized,
unsafe fn transmute_element<T>(self) -> Self::TransmutedPtr where
Self: CanTransmuteElement<T>,
Self::Target: Sized,
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Self: CanTransmuteElement<T>,
Self::Target: Sized,
impl<'a, T> BorrowOwned<'a> for T where
T: 'a + Clone,
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T: 'a + Clone,
type ROwned = T
type RBorrowed = &'a T
fn r_borrow(
&'a <T as BorrowOwned<'a>>::ROwned
) -> <T as BorrowOwned<'a>>::RBorrowed
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&'a <T as BorrowOwned<'a>>::ROwned
) -> <T as BorrowOwned<'a>>::RBorrowed
fn r_to_owned(
<T as BorrowOwned<'a>>::RBorrowed
) -> <T as BorrowOwned<'a>>::ROwned
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<T as BorrowOwned<'a>>::RBorrowed
) -> <T as BorrowOwned<'a>>::ROwned
fn deref_borrowed(&<T as BorrowOwned<'a>>::RBorrowed) -> &T
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fn deref_owned(&<T as BorrowOwned<'a>>::ROwned) -> &T
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fn from_cow_borrow(&'a T) -> <T as BorrowOwned<'a>>::RBorrowed
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fn from_cow_owned(<T as ToOwned>::Owned) -> <T as BorrowOwned<'a>>::ROwned
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fn into_cow_borrow(<T as BorrowOwned<'a>>::RBorrowed) -> &'a T
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fn into_cow_owned(<T as BorrowOwned<'a>>::ROwned) -> <T as ToOwned>::Owned
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> TypeIdentity for T where
T: ?Sized,
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T: ?Sized,
type Type = T
The same type as Self. Read more
fn into_type_val(self) -> Self::Type where
Self::Type: Sized,
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Self::Type: Sized,
fn into_type_ref(&self) -> &Self::Type
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fn into_type_mut(&mut self) -> &mut Self::Type
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fn into_type_box(self: Box<Self>) -> Box<Self::Type>
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fn into_type_arc(this: Arc<Self>) -> Arc<Self::Type>
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fn into_type_rc(this: Rc<Self>) -> Rc<Self::Type>
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fn from_type_val(this: Self::Type) -> Self where
Self::Type: Sized,
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Self::Type: Sized,
fn from_type_ref(this: &Self::Type) -> &Self
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fn from_type_mut(this: &mut Self::Type) -> &mut Self
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fn from_type_box(this: Box<Self::Type>) -> Box<Self>
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fn from_type_arc(this: Arc<Self::Type>) -> Arc<Self>
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fn from_type_rc(this: Rc<Self::Type>) -> Rc<Self>
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impl<T> SelfOps for T where
T: ?Sized,
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T: ?Sized,
const T: PhantomData<fn() -> Self>
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const T_D: PhantomData<Self>
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fn assert_ty(self, _other: PhantomData<fn() -> Self>) -> Self
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fn assert_ty_ref(&self, _other: PhantomData<fn() -> Self>) -> &Self
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fn assert_ty_mut(&mut self, _other: PhantomData<fn() -> Self>) -> &mut Self
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fn ty_(&self) -> PhantomData<fn() -> Self>
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fn ty_d(&self) -> PhantomData<Self>
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fn ty_inv(&self) -> PhantomData<fn(Self) -> Self>
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fn ty_inv_ref(&self) -> PhantomData<Cell<&Self>>
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fn eq_id(&self, other: &Self) -> bool
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fn piped<F, U>(self, f: F) -> U where
F: FnOnce(Self) -> U,
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F: FnOnce(Self) -> U,
fn piped_ref<'a, F, U>(&'a self, f: F) -> U where
F: FnOnce(&'a Self) -> U,
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F: FnOnce(&'a Self) -> U,
fn piped_mut<'a, F, U>(&'a mut self, f: F) -> U where
F: FnOnce(&'a mut Self) -> U,
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F: FnOnce(&'a mut Self) -> U,
fn mutated<F>(self, f: F) -> Self where
F: FnOnce(&mut Self),
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F: FnOnce(&mut Self),
fn observe<F>(self, f: F) -> Self where
F: FnOnce(&Self),
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F: FnOnce(&Self),
fn into_<T>(self, PhantomData<fn() -> T>) -> T where
Self: Into<T>,
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Self: Into<T>,
fn as_ref_<T>(&self) -> &T where
Self: AsRef<T>,
T: ?Sized,
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Self: AsRef<T>,
T: ?Sized,
fn as_mut_<T>(&mut self) -> &mut T where
Self: AsMut<T>,
T: ?Sized,
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Self: AsMut<T>,
T: ?Sized,
fn drop_(self)
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The error type returned when the conversion fails.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> DeserializeOwned for T where
T: Deserialize<'de>,
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T: Deserialize<'de>,