Add m-esr52 at 52.6.0

1 files changed, 269 insertions, 0 deletions

diff --git a/third_party/rust/byteorder/src/new.rs b/third_party/rust/byteorder/src/new.rs
new file mode 100644
index 000000000..b5f37700f
--- /dev/null
+++ b/third_party/rust/byteorder/src/new.rs
@@ -0,0 +1,269 @@
+use std::io::{self, Result};
+
+use ByteOrder;
+
+/// Extends `Read` with methods for reading numbers. (For `std::io`.)
+///
+/// Most of the methods defined here have an unconstrained type parameter that
+/// must be explicitly instantiated. Typically, it is instantiated with either
+/// the `BigEndian` or `LittleEndian` types defined in this crate.
+///
+/// # Examples
+///
+/// Read unsigned 16 bit big-endian integers from a `Read`:
+///
+/// ```rust
+/// use std::io::Cursor;
+/// use byteorder::{BigEndian, ReadBytesExt};
+///
+/// let mut rdr = Cursor::new(vec![2, 5, 3, 0]);
+/// assert_eq!(517, rdr.read_u16::<BigEndian>().unwrap());
+/// assert_eq!(768, rdr.read_u16::<BigEndian>().unwrap());
+/// ```
+pub trait ReadBytesExt: io::Read {
+    /// Reads an unsigned 8 bit integer from the underlying reader.
+    ///
+    /// Note that since this reads a single byte, no byte order conversions
+    /// are used. It is included for completeness.
+    #[inline]
+    fn read_u8(&mut self) -> Result<u8> {
+        let mut buf = [0; 1];
+        try!(self.read_exact(&mut buf));
+        Ok(buf[0])
+    }
+
+    /// Reads a signed 8 bit integer from the underlying reader.
+    ///
+    /// Note that since this reads a single byte, no byte order conversions
+    /// are used. It is included for completeness.
+    #[inline]
+    fn read_i8(&mut self) -> Result<i8> {
+        let mut buf = [0; 1];
+        try!(self.read_exact(&mut buf));
+        Ok(buf[0] as i8)
+    }
+
+    /// Reads an unsigned 16 bit integer from the underlying reader.
+    #[inline]
+    fn read_u16<T: ByteOrder>(&mut self) -> Result<u16> {
+        let mut buf = [0; 2];
+        try!(self.read_exact(&mut buf));
+        Ok(T::read_u16(&buf))
+    }
+
+    /// Reads a signed 16 bit integer from the underlying reader.
+    #[inline]
+    fn read_i16<T: ByteOrder>(&mut self) -> Result<i16> {
+        let mut buf = [0; 2];
+        try!(self.read_exact(&mut buf));
+        Ok(T::read_i16(&buf))
+    }
+
+    /// Reads an unsigned 32 bit integer from the underlying reader.
+    #[inline]
+    fn read_u32<T: ByteOrder>(&mut self) -> Result<u32> {
+        let mut buf = [0; 4];
+        try!(self.read_exact(&mut buf));
+        Ok(T::read_u32(&buf))
+    }
+
+    /// Reads a signed 32 bit integer from the underlying reader.
+    #[inline]
+    fn read_i32<T: ByteOrder>(&mut self) -> Result<i32> {
+        let mut buf = [0; 4];
+        try!(self.read_exact(&mut buf));
+        Ok(T::read_i32(&buf))
+    }
+
+    /// Reads an unsigned 64 bit integer from the underlying reader.
+    #[inline]
+    fn read_u64<T: ByteOrder>(&mut self) -> Result<u64> {
+        let mut buf = [0; 8];
+        try!(self.read_exact(&mut buf));
+        Ok(T::read_u64(&buf))
+    }
+
+    /// Reads a signed 64 bit integer from the underlying reader.
+    #[inline]
+    fn read_i64<T: ByteOrder>(&mut self) -> Result<i64> {
+        let mut buf = [0; 8];
+        try!(self.read_exact(&mut buf));
+        Ok(T::read_i64(&buf))
+    }
+
+    /// Reads an unsigned n-bytes integer from the underlying reader.
+    #[inline]
+    fn read_uint<T: ByteOrder>(&mut self, nbytes: usize) -> Result<u64> {
+        let mut buf = [0; 8];
+        try!(self.read_exact(&mut buf[..nbytes]));
+        Ok(T::read_uint(&buf[..nbytes], nbytes))
+    }
+
+    /// Reads a signed n-bytes integer from the underlying reader.
+    #[inline]
+    fn read_int<T: ByteOrder>(&mut self, nbytes: usize) -> Result<i64> {
+        let mut buf = [0; 8];
+        try!(self.read_exact(&mut buf[..nbytes]));
+        Ok(T::read_int(&buf[..nbytes], nbytes))
+    }
+
+    /// Reads a IEEE754 single-precision (4 bytes) floating point number from
+    /// the underlying reader.
+    #[inline]
+    fn read_f32<T: ByteOrder>(&mut self) -> Result<f32> {
+        let mut buf = [0; 4];
+        try!(self.read_exact(&mut buf));
+        Ok(T::read_f32(&buf))
+    }
+
+    /// Reads a IEEE754 double-precision (8 bytes) floating point number from
+    /// the underlying reader.
+    #[inline]
+    fn read_f64<T: ByteOrder>(&mut self) -> Result<f64> {
+        let mut buf = [0; 8];
+        try!(self.read_exact(&mut buf));
+        Ok(T::read_f64(&buf))
+    }
+}
+
+/// All types that implement `Read` get methods defined in `ReadBytesExt`
+/// for free.
+impl<R: io::Read + ?Sized> ReadBytesExt for R {}
+
+/// Extends `Write` with methods for writing numbers. (For `std::io`.)
+///
+/// Most of the methods defined here have an unconstrained type parameter that
+/// must be explicitly instantiated. Typically, it is instantiated with either
+/// the `BigEndian` or `LittleEndian` types defined in this crate.
+///
+/// # Examples
+///
+/// Write unsigned 16 bit big-endian integers to a `Write`:
+///
+/// ```rust
+/// use byteorder::{BigEndian, WriteBytesExt};
+///
+/// let mut wtr = vec![];
+/// wtr.write_u16::<BigEndian>(517).unwrap();
+/// wtr.write_u16::<BigEndian>(768).unwrap();
+/// assert_eq!(wtr, vec![2, 5, 3, 0]);
+/// ```
+pub trait WriteBytesExt: io::Write {
+    /// Writes an unsigned 8 bit integer to the underlying writer.
+    ///
+    /// Note that since this writes a single byte, no byte order conversions
+    /// are used. It is included for completeness.
+    #[inline]
+    fn write_u8(&mut self, n: u8) -> Result<()> {
+        self.write_all(&[n])
+    }
+
+    /// Writes a signed 8 bit integer to the underlying writer.
+    ///
+    /// Note that since this writes a single byte, no byte order conversions
+    /// are used. It is included for completeness.
+    #[inline]
+    fn write_i8(&mut self, n: i8) -> Result<()> {
+        self.write_all(&[n as u8])
+    }
+
+    /// Writes an unsigned 16 bit integer to the underlying writer.
+    #[inline]
+    fn write_u16<T: ByteOrder>(&mut self, n: u16) -> Result<()> {
+        let mut buf = [0; 2];
+        T::write_u16(&mut buf, n);
+        self.write_all(&buf)
+    }
+
+    /// Writes a signed 16 bit integer to the underlying writer.
+    #[inline]
+    fn write_i16<T: ByteOrder>(&mut self, n: i16) -> Result<()> {
+        let mut buf = [0; 2];
+        T::write_i16(&mut buf, n);
+        self.write_all(&buf)
+    }
+
+    /// Writes an unsigned 32 bit integer to the underlying writer.
+    #[inline]
+    fn write_u32<T: ByteOrder>(&mut self, n: u32) -> Result<()> {
+        let mut buf = [0; 4];
+        T::write_u32(&mut buf, n);
+        self.write_all(&buf)
+    }
+
+    /// Writes a signed 32 bit integer to the underlying writer.
+    #[inline]
+    fn write_i32<T: ByteOrder>(&mut self, n: i32) -> Result<()> {
+        let mut buf = [0; 4];
+        T::write_i32(&mut buf, n);
+        self.write_all(&buf)
+    }
+
+    /// Writes an unsigned 64 bit integer to the underlying writer.
+    #[inline]
+    fn write_u64<T: ByteOrder>(&mut self, n: u64) -> Result<()> {
+        let mut buf = [0; 8];
+        T::write_u64(&mut buf, n);
+        self.write_all(&buf)
+    }
+
+    /// Writes a signed 64 bit integer to the underlying writer.
+    #[inline]
+    fn write_i64<T: ByteOrder>(&mut self, n: i64) -> Result<()> {
+        let mut buf = [0; 8];
+        T::write_i64(&mut buf, n);
+        self.write_all(&buf)
+    }
+
+    /// Writes an unsigned n-bytes integer to the underlying writer.
+    ///
+    /// If the given integer is not representable in the given number of bytes,
+    /// this method panics. If `nbytes > 8`, this method panics.
+    #[inline]
+    fn write_uint<T: ByteOrder>(
+        &mut self,
+        n: u64,
+        nbytes: usize,
+    ) -> Result<()> {
+        let mut buf = [0; 8];
+        T::write_uint(&mut buf, n, nbytes);
+        self.write_all(&buf[0..nbytes])
+    }
+
+    /// Writes a signed n-bytes integer to the underlying writer.
+    ///
+    /// If the given integer is not representable in the given number of bytes,
+    /// this method panics. If `nbytes > 8`, this method panics.
+    #[inline]
+    fn write_int<T: ByteOrder>(
+        &mut self,
+        n: i64,
+        nbytes: usize,
+    ) -> Result<()> {
+        let mut buf = [0; 8];
+        T::write_int(&mut buf, n, nbytes);
+        self.write_all(&buf[0..nbytes])
+    }
+
+    /// Writes a IEEE754 single-precision (4 bytes) floating point number to
+    /// the underlying writer.
+    #[inline]
+    fn write_f32<T: ByteOrder>(&mut self, n: f32) -> Result<()> {
+        let mut buf = [0; 4];
+        T::write_f32(&mut buf, n);
+        self.write_all(&buf)
+    }
+
+    /// Writes a IEEE754 double-precision (8 bytes) floating point number to
+    /// the underlying writer.
+    #[inline]
+    fn write_f64<T: ByteOrder>(&mut self, n: f64) -> Result<()> {
+        let mut buf = [0; 8];
+        T::write_f64(&mut buf, n);
+        self.write_all(&buf)
+    }
+}
+
+/// All types that implement `Write` get methods defined in `WriteBytesExt`
+/// for free.
+impl<W: io::Write + ?Sized> WriteBytesExt for W {}