third_party/rust/lalrpop/src/message/indent.rs
author Dorel Luca <dluca@mozilla.com>
Sat, 12 Jan 2019 03:43:46 +0200
changeset 453620 def9811f0311
parent 453619 3c4b8e03e722
child 460816 c5e856d5edba
permissions -rw-r--r--
Backed out 2 changesets (bug 1516337) for build bustage. CLOSED TREE Backed out changeset 3c4b8e03e722 (bug 1516337) Backed out changeset 4fc377013db5 (bug 1516337)

use ascii_canvas::AsciiView;
use super::*;

#[derive(Debug)]
pub struct Indent {
    amount: usize,
    content: Box<Content>,
}

impl Indent {
    pub fn new(amount: usize, content: Box<Content>) -> Self {
        Indent {
            amount: amount,
            content: content,
        }
    }
}

impl Content for Indent {
    fn min_width(&self) -> usize {
        self.content.min_width() + self.amount
    }

    fn emit(&self, view: &mut AsciiView) {
        let mut subview = view.shift(0, self.amount);
        self.content.emit(&mut subview);
    }

    fn into_wrap_items(self: Box<Self>, wrap_items: &mut Vec<Box<Content>>) {
        wrap_items.push(self);
    }
}