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use std::io::Cursor;
use ser_constants::TypeTag;
use byteorder::{LittleEndian, WriteBytesExt,};
use JsValue;
mod js_val;
mod num;
mod num_slice;
pub trait JsSerializable {
fn size(&self) -> u32;
fn ser(&self, cursor: &mut Cursor<Vec<u8>>) -> ();
}
impl JsSerializable for bool {
fn size(&self) -> u32 { 1 }
fn ser(&self, cursor: &mut Cursor<Vec<u8>>) {
match self {
false => cursor.write_u8(TypeTag::BoolFalse as u8).unwrap(),
true => cursor.write_u8(TypeTag::BoolTrue as u8).unwrap(),
}
}
}
impl<'a> JsSerializable for &'a str {
fn size(&self) -> u32 { 9 }
fn ser(&self, cursor: &mut Cursor<Vec<u8>>) -> () {
cursor.write_u8(TypeTag::String as u8).unwrap();
cursor.write_u32::<LittleEndian>(self.len() as u32).unwrap();
cursor.write_u32::<LittleEndian>(self.as_ptr() as u32).unwrap();
}
}
impl<'a> JsSerializable for String {
fn size(&self) -> u32 { 9 }
fn ser(&self, cursor: &mut Cursor<Vec<u8>>) -> () {
cursor.write_u8(TypeTag::String as u8).unwrap();
cursor.write_u32::<LittleEndian>(self.len() as u32).unwrap();
cursor.write_u32::<LittleEndian>(self.as_ptr() as u32).unwrap();
}
}
impl JsSerializable for &'static Fn() -> () {
fn size(&self) -> u32 { 5 }
fn ser(&self, cursor: &mut Cursor<Vec<u8>>) -> () {
let id = super::register_callback(*self);
cursor.write_u8(TypeTag::Lambda as u8).unwrap();
cursor.write_u32::<LittleEndian>(id).unwrap();
}
}
impl JsSerializable for &'static Fn() -> (Box<JsSerializable>) {
fn size(&self) -> u32 { 5 }
fn ser(&self, cursor: &mut Cursor<Vec<u8>>) -> () {
let id = super::register_callback_ret(*self);
cursor.write_u8(TypeTag::LambdaReturn as u8).unwrap();
cursor.write_u32::<LittleEndian>(id).unwrap();
}
}
impl JsSerializable for &'static Fn(JsValue) -> () {
fn size(&self) -> u32 { 5 }
fn ser(&self, cursor: &mut Cursor<Vec<u8>>) -> () {
let id = super::register_callback_arg(*self);
cursor.write_u8(TypeTag::LambdaArg as u8).unwrap();
cursor.write_u32::<LittleEndian>(id).unwrap();
}
}
impl JsSerializable for &'static Fn(JsValue) -> (Box<JsSerializable>) {
fn size(&self) -> u32 { 5 }
fn ser(&self, cursor: &mut Cursor<Vec<u8>>) -> () {
let id = super::register_callback_ret_arg(*self);
cursor.write_u8(TypeTag::LambdaArgReturn as u8).unwrap();
cursor.write_u32::<LittleEndian>(id).unwrap();
}
}