ruff/crates/ruff_python_formatter/src/format/builders.rs

48 lines
1.1 KiB
Rust

use ruff_formatter::prelude::*;
use ruff_formatter::{write, Format};
use ruff_text_size::TextSize;
use crate::context::ASTFormatContext;
use crate::cst::Stmt;
use crate::shared_traits::AsFormat;
#[derive(Copy, Clone)]
pub struct Block<'a> {
body: &'a [Stmt],
}
impl Format<ASTFormatContext<'_>> for Block<'_> {
fn fmt(&self, f: &mut Formatter<ASTFormatContext<'_>>) -> FormatResult<()> {
for (i, stmt) in self.body.iter().enumerate() {
if i > 0 {
write!(f, [hard_line_break()])?;
}
write!(f, [stmt.format()])?;
}
Ok(())
}
}
#[inline]
pub fn block(body: &[Stmt]) -> Block {
Block { body }
}
pub(crate) const fn join_names(names: &[String]) -> JoinNames {
JoinNames { names }
}
pub(crate) struct JoinNames<'a> {
names: &'a [String],
}
impl<Context> Format<Context> for JoinNames<'_> {
fn fmt(&self, f: &mut Formatter<Context>) -> FormatResult<()> {
let mut join = f.join_with(text(", "));
for name in self.names {
join.entry(&dynamic_text(name, TextSize::default()));
}
join.finish()
}
}