diff options
Diffstat (limited to 'serde_v8/src/magic/u16string.rs')
-rw-r--r-- | serde_v8/src/magic/u16string.rs | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/serde_v8/src/magic/u16string.rs b/serde_v8/src/magic/u16string.rs deleted file mode 100644 index 39ebf88d9..000000000 --- a/serde_v8/src/magic/u16string.rs +++ /dev/null @@ -1,83 +0,0 @@ -use crate::magic::transl8::impl_magic; -use crate::Error; -use std::ops::{Deref, DerefMut}; - -use super::transl8::{FromV8, ToV8}; - -#[derive(Default, PartialEq, Eq, Debug)] -pub struct U16String(pub Vec<u16>); -impl_magic!(U16String); - -impl U16String { - pub fn with_zeroes(length: usize) -> U16String { - U16String(vec![0u16; length]) - } - - pub fn truncate(&mut self, new_length: usize) { - self.0.truncate(new_length); - self.0.shrink_to_fit() - } -} - -impl Deref for U16String { - type Target = [u16]; - fn deref(&self) -> &[u16] { - self.0.deref() - } -} - -impl DerefMut for U16String { - fn deref_mut(&mut self) -> &mut [u16] { - self.0.deref_mut() - } -} - -impl AsRef<[u16]> for U16String { - fn as_ref(&self) -> &[u16] { - self.0.as_ref() - } -} - -impl AsMut<[u16]> for U16String { - fn as_mut(&mut self) -> &mut [u16] { - self.0.as_mut() - } -} - -impl ToV8 for U16String { - fn to_v8<'a>( - &self, - scope: &mut v8::HandleScope<'a>, - ) -> Result<v8::Local<'a, v8::Value>, crate::Error> { - let v = - v8::String::new_from_two_byte(scope, self, v8::NewStringType::Normal) - .unwrap(); - Ok(v.into()) - } -} - -impl FromV8 for U16String { - fn from_v8( - scope: &mut v8::HandleScope, - value: v8::Local<v8::Value>, - ) -> Result<Self, crate::Error> { - let v8str = v8::Local::<v8::String>::try_from(value) - .map_err(|_| Error::ExpectedString)?; - let len = v8str.length(); - let mut buffer = Vec::with_capacity(len); - // SAFETY: we set length == capacity (see previous line), - // before immediately writing into that buffer and sanity check with an assert - #[allow(clippy::uninit_vec)] - unsafe { - buffer.set_len(len); - let written = v8str.write( - scope, - &mut buffer, - 0, - v8::WriteOptions::NO_NULL_TERMINATION, - ); - assert!(written == len); - } - Ok(U16String(buffer)) - } -} |