prettyplease/
convenience.rs

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1use crate::algorithm::{self, BeginToken, BreakToken, Breaks, Printer};
2use std::borrow::Cow;
3
4impl Printer {
5    pub fn ibox(&mut self, indent: isize) {
6        self.scan_begin(BeginToken {
7            offset: indent,
8            breaks: Breaks::Inconsistent,
9        });
10    }
11
12    pub fn cbox(&mut self, indent: isize) {
13        self.scan_begin(BeginToken {
14            offset: indent,
15            breaks: Breaks::Consistent,
16        });
17    }
18
19    pub fn end(&mut self) {
20        self.scan_end();
21    }
22
23    pub fn word<S: Into<Cow<'static, str>>>(&mut self, wrd: S) {
24        let s = wrd.into();
25        self.scan_string(s);
26    }
27
28    fn spaces(&mut self, n: usize) {
29        self.scan_break(BreakToken {
30            blank_space: n,
31            ..BreakToken::default()
32        });
33    }
34
35    pub fn zerobreak(&mut self) {
36        self.spaces(0);
37    }
38
39    pub fn space(&mut self) {
40        self.spaces(1);
41    }
42
43    pub fn nbsp(&mut self) {
44        self.word(" ");
45    }
46
47    pub fn hardbreak(&mut self) {
48        self.spaces(algorithm::SIZE_INFINITY as usize);
49    }
50
51    pub fn space_if_nonempty(&mut self) {
52        self.scan_break(BreakToken {
53            blank_space: 1,
54            if_nonempty: true,
55            ..BreakToken::default()
56        });
57    }
58
59    pub fn hardbreak_if_nonempty(&mut self) {
60        self.scan_break(BreakToken {
61            blank_space: algorithm::SIZE_INFINITY as usize,
62            if_nonempty: true,
63            ..BreakToken::default()
64        });
65    }
66
67    pub fn trailing_comma(&mut self, is_last: bool) {
68        if is_last {
69            self.scan_break(BreakToken {
70                pre_break: Some(','),
71                ..BreakToken::default()
72            });
73        } else {
74            self.word(",");
75            self.space();
76        }
77    }
78
79    pub fn trailing_comma_or_space(&mut self, is_last: bool) {
80        if is_last {
81            self.scan_break(BreakToken {
82                blank_space: 1,
83                pre_break: Some(','),
84                ..BreakToken::default()
85            });
86        } else {
87            self.word(",");
88            self.space();
89        }
90    }
91
92    pub fn neverbreak(&mut self) {
93        self.scan_break(BreakToken {
94            never_break: true,
95            ..BreakToken::default()
96        });
97    }
98}
prettyplease/convenience.rs

prettyplease/
convenience.rs
