use crate::pp::{BeginToken, BreakToken, Breaks, IndentStyle, Printer, Token, SIZE_INFINITY};
use std::borrow::Cow;
impl Printer {
pub fn rbox(&mut self, indent: isize, breaks: Breaks) {
self.scan_begin(BeginToken { indent: IndentStyle::Block { offset: indent }, breaks })
}
pub fn ibox(&mut self, indent: isize) {
self.rbox(indent, Breaks::Inconsistent)
}
pub fn cbox(&mut self, indent: isize) {
self.rbox(indent, Breaks::Consistent)
}
pub fn visual_align(&mut self) {
self.scan_begin(BeginToken { indent: IndentStyle::Visual, breaks: Breaks::Consistent });
}
pub fn break_offset(&mut self, n: usize, off: isize) {
self.scan_break(BreakToken {
offset: off,
blank_space: n as isize,
..BreakToken::default()
});
}
pub fn end(&mut self) {
self.scan_end()
}
pub fn eof(mut self) -> String {
self.scan_eof();
self.out
}
pub fn word<S: Into<Cow<'static, str>>>(&mut self, wrd: S) {
let string = wrd.into();
self.scan_string(string)
}
fn spaces(&mut self, n: usize) {
self.break_offset(n, 0)
}
pub fn zerobreak(&mut self) {
self.spaces(0)
}
pub fn space(&mut self) {
self.spaces(1)
}
pub fn hardbreak(&mut self) {
self.spaces(SIZE_INFINITY as usize)
}
pub fn is_beginning_of_line(&self) -> bool {
match self.last_token() {
Some(last_token) => last_token.is_hardbreak_tok(),
None => true,
}
}
pub fn hardbreak_tok_offset(off: isize) -> Token {
Token::Break(BreakToken {
offset: off,
blank_space: SIZE_INFINITY,
..BreakToken::default()
})
}
pub fn trailing_comma(&mut self) {
self.scan_break(BreakToken { pre_break: Some(','), ..BreakToken::default() });
}
pub fn trailing_comma_or_space(&mut self) {
self.scan_break(BreakToken {
blank_space: 1,
pre_break: Some(','),
..BreakToken::default()
});
}
}
impl Token {
pub fn is_hardbreak_tok(&self) -> bool {
*self == Printer::hardbreak_tok_offset(0)
}
}