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use heck::{CamelCase, SnakeCase};
use std::borrow::Cow;
#[derive(Debug, PartialEq, Clone, Copy)]
pub enum Normalization {
None,
Rust
}
impl Normalization {
fn camel_case(self, name: Cow<'_, str>) -> Cow<'_, str> {
match self {
Self::None => name,
Self::Rust => name.to_camel_case().into()
}
}
fn snake_case(self, name: Cow<'_, str>) -> Cow<'_, str> {
match self {
Self::None => name,
Self::Rust => name.to_snake_case().into()
}
}
pub(crate) fn operation<'a, S>(self, op: S) -> Cow<'a, str>
where
S: Into<Cow<'a, str>>
{
self.camel_case(op.into())
}
pub(crate) fn enum_variant<'a, S>(self, enm: S) -> Cow<'a, str>
where
S: Into<Cow<'a, str>>
{
self.camel_case(enm.into())
}
pub(crate) fn enum_name<'a, S>(self, enm: S) -> Cow<'a, str>
where
S: Into<Cow<'a, str>>
{
self.camel_case(enm.into())
}
fn field_type_impl(self, fty: Cow<'_, str>) -> Cow<'_, str> {
if fty == "ID" || fty.starts_with("__") {
fty
} else {
self.camel_case(fty)
}
}
pub(crate) fn field_type<'a, S>(self, fty: S) -> Cow<'a, str>
where
S: Into<Cow<'a, str>>
{
self.field_type_impl(fty.into())
}
pub(crate) fn field_name<'a, S>(self, fnm: S) -> Cow<'a, str>
where
S: Into<Cow<'a, str>>
{
self.snake_case(fnm.into())
}
pub(crate) fn input_name<'a, S>(self, inm: S) -> Cow<'a, str>
where
S: Into<Cow<'a, str>>
{
self.camel_case(inm.into())
}
pub(crate) fn scalar_name<'a, S>(self, snm: S) -> Cow<'a, str>
where
S: Into<Cow<'a, str>>
{
self.camel_case(snm.into())
}
}
impl std::str::FromStr for Normalization {
type Err = ();
fn from_str(s: &str) -> Result<Self, ()> {
match s.trim() {
"none" => Ok(Normalization::None),
"rust" => Ok(Normalization::Rust),
_ => Err(())
}
}
}