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use simd_json::AlignedBuf; pub use simd_json_derive_int::*; use std::collections; use std::io::{self, Write}; use std::iter::Peekable; use std::vec::IntoIter; use value_trait::generator::BaseGenerator; mod impls; pub type Result = io::Result<()>; pub type Tape<'input> = Peekable<IntoIter<simd_json::Node<'input>>>; pub trait Serialize { fn json_write<W>(&self, writer: &mut W) -> Result where W: Write; #[inline] fn json_vec(&self) -> io::Result<Vec<u8>> { let mut v = Vec::with_capacity(512); self.json_write(&mut v)?; Ok(v) } #[inline] fn json_string(&self) -> io::Result<String> { self.json_vec() .and_then(|v| String::from_utf8(v).map_err(|e| io::Error::new(io::ErrorKind::Other, e))) } } pub trait SerializeAsKey { fn json_write<W>(&self, writer: &mut W) -> Result where W: Write; } impl<T: AsRef<str>> SerializeAsKey for T { #[inline] fn json_write<W>(&self, writer: &mut W) -> Result where W: Write, { let s: &str = self.as_ref(); s.json_write(writer) } } pub trait Deserialize<'input> { fn from_tape(tape: &mut Tape<'input>) -> simd_json::Result<Self> where Self: std::marker::Sized + 'input; #[inline] fn from_slice(json: &'input mut [u8]) -> simd_json::Result<Self> where Self: std::marker::Sized + 'input, { let tape = simd_json::to_tape(json)?; let mut itr = tape.into_iter().peekable(); itr.next(); Self::from_tape(&mut itr) } #[inline] fn from_slice_with_buffer( json: &'input mut [u8], string_buffer: &mut [u8], ) -> simd_json::Result<Self> where Self: std::marker::Sized + 'input, { let tape = simd_json::Deserializer::from_slice_with_buffer(json, string_buffer)?.into_tape(); let mut itr = tape.into_iter().peekable(); itr.next(); Self::from_tape(&mut itr) } #[inline] fn from_slice_with_buffers( json: &'input mut [u8], input_buffer: &mut AlignedBuf, string_buffer: &mut [u8], ) -> simd_json::Result<Self> where Self: std::marker::Sized + 'input, { let tape = simd_json::Deserializer::from_slice_with_buffers(json, input_buffer, string_buffer)? .into_tape(); let mut itr = tape.into_iter().peekable(); itr.next(); Self::from_tape(&mut itr) } #[inline] fn from_str(json: &'input mut str) -> simd_json::Result<Self> where Self: std::marker::Sized + 'input, { unsafe { Self::from_slice(json.as_bytes_mut()) } } } struct DummyGenerator<W: Write>(W); impl<W: Write> BaseGenerator for DummyGenerator<W> { type T = W; #[inline] fn get_writer(&mut self) -> &mut <Self as BaseGenerator>::T { &mut self.0 } #[inline] fn write_min(&mut self, _: &[u8], _: u8) -> io::Result<()> { unimplemented!() } } #[cfg(test)] mod test { use super::*; #[test] fn invalid_utf8() { struct Struct; impl Serialize for Struct { fn json_write<W: Write>(&self, writer: &mut W) -> io::Result<()> { writer.write_all(b"\xff") } } assert!(Struct.json_string().is_err()); } }