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59 lines
1.4 KiB
Rust
59 lines
1.4 KiB
Rust
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
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use super::buffer::ZeroCopyBuf;
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use super::transl8::{FromV8, ToV8};
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use crate::magic::transl8::impl_magic;
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use crate::Error;
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use std::ops::Deref;
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#[derive(Debug)]
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pub enum StringOrBuffer {
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Buffer(ZeroCopyBuf),
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String(String),
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}
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impl_magic!(StringOrBuffer);
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impl Deref for StringOrBuffer {
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type Target = [u8];
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fn deref(&self) -> &Self::Target {
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match self {
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Self::Buffer(b) => b.as_ref(),
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Self::String(s) => s.as_bytes(),
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}
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}
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}
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impl ToV8 for StringOrBuffer {
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fn to_v8<'a>(
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&self,
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scope: &mut v8::HandleScope<'a>,
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) -> Result<v8::Local<'a, v8::Value>, crate::Error> {
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match self {
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Self::Buffer(buf) => crate::to_v8(scope, buf),
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Self::String(s) => crate::to_v8(scope, s),
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}
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}
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}
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impl FromV8 for StringOrBuffer {
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fn from_v8(
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scope: &mut v8::HandleScope,
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value: v8::Local<v8::Value>,
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) -> Result<Self, crate::Error> {
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if let Ok(buf) = ZeroCopyBuf::from_v8(scope, value) {
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return Ok(Self::Buffer(buf));
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} else if let Ok(s) = crate::from_v8(scope, value) {
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return Ok(Self::String(s));
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}
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Err(Error::ExpectedBuffer)
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}
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}
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impl From<StringOrBuffer> for bytes::Bytes {
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fn from(sob: StringOrBuffer) -> Self {
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match sob {
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StringOrBuffer::Buffer(b) => b.into(),
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StringOrBuffer::String(s) => s.into_bytes().into(),
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}
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}
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}
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