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Diffstat (limited to 'serde_v8/magic/detached_buffer.rs')
-rw-r--r-- | serde_v8/magic/detached_buffer.rs | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/serde_v8/magic/detached_buffer.rs b/serde_v8/magic/detached_buffer.rs deleted file mode 100644 index bc4b3de67..000000000 --- a/serde_v8/magic/detached_buffer.rs +++ /dev/null @@ -1,70 +0,0 @@ -// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license. - -use core::ops::Range; -use std::ops::Deref; -use std::ops::DerefMut; - -use super::transl8::FromV8; -use super::transl8::ToV8; -use super::v8slice::to_ranged_buffer; -use super::v8slice::V8Slice; -use crate::error::value_to_type_str; -use crate::magic::transl8::impl_magic; - -// A buffer that detaches when deserialized from JS -pub struct DetachedBuffer(V8Slice); -impl_magic!(DetachedBuffer); - -impl AsRef<[u8]> for DetachedBuffer { - fn as_ref(&self) -> &[u8] { - self.0.as_ref() - } -} - -impl AsMut<[u8]> for DetachedBuffer { - fn as_mut(&mut self) -> &mut [u8] { - self.0.as_mut() - } -} - -impl Deref for DetachedBuffer { - type Target = [u8]; - fn deref(&self) -> &[u8] { - self.0.deref() - } -} - -impl DerefMut for DetachedBuffer { - fn deref_mut(&mut self) -> &mut [u8] { - self.0.deref_mut() - } -} - -impl ToV8 for DetachedBuffer { - fn to_v8<'a>( - &mut self, - scope: &mut v8::HandleScope<'a>, - ) -> Result<v8::Local<'a, v8::Value>, crate::Error> { - let buffer = v8::ArrayBuffer::with_backing_store(scope, &self.0.store); - let Range { start, end } = self.0.range; - let (off, len) = (start, end - start); - let v = v8::Uint8Array::new(scope, buffer, off, len).unwrap(); - Ok(v.into()) - } -} - -impl FromV8 for DetachedBuffer { - fn from_v8( - scope: &mut v8::HandleScope, - value: v8::Local<v8::Value>, - ) -> Result<Self, crate::Error> { - let (b, range) = to_ranged_buffer(scope, value) - .map_err(|_| crate::Error::ExpectedBuffer(value_to_type_str(value)))?; - if !b.is_detachable() { - return Err(crate::Error::ExpectedDetachable(value_to_type_str(value))); - } - let store = b.get_backing_store(); - b.detach(None); // Detach - Ok(Self(V8Slice { store, range })) - } -} |