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use std::fmt::{self, Display};
use dtoa::write;
use itoa::fmt;
use v_htmlescape::{escape, escape_char};
use super::io_fmt::IoFmt;
pub trait Render {
fn render(&self, f: &mut fmt::Formatter) -> fmt::Result;
}
pub trait RenderA {
fn __renders_it(&self, buf: &mut fmt::Formatter) -> fmt::Result;
}
impl<T: Render + ?Sized> RenderA for T {
#[inline(always)]
fn __renders_it(&self, buf: &mut fmt::Formatter) -> fmt::Result {
Render::render(self, buf)
}
}
impl Render for str {
#[inline(always)]
fn render(&self, f: &mut fmt::Formatter) -> fmt::Result {
escape(self).fmt(f)
}
}
impl Render for String {
#[inline(always)]
fn render(&self, f: &mut fmt::Formatter) -> fmt::Result {
escape(self.as_str()).fmt(f)
}
}
macro_rules! itoa_display {
($($ty:ty)*) => {
$(
impl Render for $ty {
#[inline(always)]
fn render(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt(f, *self)
}
}
)*
};
}
#[rustfmt::skip]
itoa_display! {
u8 u16 u32 u64 u128 usize
i8 i16 i32 i64 i128 isize
}
macro_rules! dtoa_display {
($($ty:ty)*) => {
$(
impl Render for $ty {
#[inline(always)]
fn render(&self, f: &mut fmt::Formatter) -> fmt::Result {
write(IoFmt::new(f), *self)
.map(|_| ())
.map_err(|_| fmt::Error)
}
}
)*
};
}
#[rustfmt::skip]
dtoa_display! {
f32 f64
}
impl Render for char {
#[inline(always)]
fn render(&self, f: &mut fmt::Formatter) -> fmt::Result {
escape_char(*self).fmt(f)
}
}
macro_rules! raw_display {
($($ty:ty)*) => {
$(
impl Render for $ty {
#[inline(always)]
fn render(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.fmt(f)
}
}
)*
};
}
#[rustfmt::skip]
raw_display! {
bool
}
#[cfg(feature = "json")]
mod json {
use super::*;
use crate::at_helpers::{Json, JsonPretty};
use serde::Serialize;
use serde_json::{to_writer, to_writer_pretty};
impl<'a, S: Serialize> Render for Json<'a, S> {
#[inline(always)]
fn render(&self, f: &mut fmt::Formatter) -> fmt::Result {
to_writer(IoFmt::new(f), self.0).map_err(|_| fmt::Error)
}
}
impl<'a, D: Serialize> Render for JsonPretty<'a, D> {
#[inline(always)]
fn render(&self, f: &mut fmt::Formatter) -> fmt::Result {
to_writer_pretty(IoFmt::new(f), self.0).map_err(|_| fmt::Error)
}
}
}