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use std::rc::Rc;
use document::Document;
use config::Config;
pub trait Kawaii {
fn document(&self, config: &Config) -> Rc<Document>;
}
#[cfg(feature = "unstable")]
mod magic {
use std::rc::Rc;
use std::fmt;
use std::intrinsics;
use document::Document;
use config::Config;
use traits::Kawaii;
default impl<T: 'static> Kawaii for T {
fn document(&self, _: &Config) -> Rc<Document> {
use util::*;
string(unsafe { intrinsics::type_name::<T>() })
}
}
default impl<T: fmt::Debug> Kawaii for T {
fn document(&self, _: &Config) -> Rc<Document> {
use util::*;
string(format!("{:?}", self))
}
}
}
impl Kawaii for Rc<Document> {
fn document(&self, _: &Config) -> Rc<Document> {
Rc::clone(self)
}
}
#[macro_export]
macro_rules! integer {
($name:ty) => (
impl Kawaii for $name {
fn document(&self, config: &Config) -> Rc<Document> {
use config::{Base, Syntax};
use util::*;
let string = match config.get::<Base>().map(|b| *b).unwrap_or(Base::default()) {
Base::Binary =>
string(format!("{:b}", self)),
Base::Octal =>
string(format!("{:o}", self)),
Base::Decimal =>
string(format!("{}", self)),
Base::Hexadecimal =>
string(format!("{:0X}", self)),
};
if let Some(syntax) = config.get::<Syntax>()
.and_then(|s| s.get("integer").or(s.get("number")))
{
style(string, *syntax)
}
else {
string
}
}
}
);
($name:ty, $($rest:ty),*) => (
integer!($name);
integer!($($rest),*);
);
}
integer!(u8, i8, u16, i16, u32, i32, u64, i64);
#[macro_export]
macro_rules! float {
($name:ty) => (
impl Kawaii for $name {
fn document(&self, config: &Config) -> Rc<Document> {
use config::{Precision, Syntax};
use util::*;
let string = if let Some(&Precision(size)) = config.get::<Precision>() {
string(format!("{:.1$}", self, size))
}
else {
string(format!("{}", self))
};
if let Some(syntax) = config.get::<Syntax>()
.and_then(|s| s.get("float").or(s.get("number")))
{
style(string, *syntax)
}
else {
string
}
}
}
);
($name:ty, $($rest:ty),*) => (
float!($name);
float!($($rest),*);
);
}
float!(f32, f64);
#[macro_export]
macro_rules! string {
($name:ty) => (
impl Kawaii for $name {
fn document(&self, config: &Config) -> Rc<Document> {
use config::Syntax;
use util::*;
let string = string(format!("{:?}", self));
if let Some(syntax) = config.get::<Syntax>()
.and_then(|s| s.get("string"))
{
style(string, *syntax)
}
else {
string
}
}
}
impl<'a> Kawaii for &'a $name {
fn document(&self, config: &Config) -> Rc<Document> {
(*self).document(config)
}
}
);
($name:ty, $($rest:ty),*) => (
string!($name);
string!($($rest),*);
);
}
string!(String, str);