diagnostic/characters/
mod.rs

1/// Possible character sets to use when rendering diagnostics.
2#[derive(Copy, Clone, Debug, PartialEq, Eq)]
3pub enum BuiltinDrawer {
4    /// Unicode characters (an attempt is made to use only commonly-supported characters).
5    Unicode,
6    /// ASCII-only characters.
7    Ascii,
8}
9
10/// A trait for types that can be used to draw diagnostics.
11pub trait Draw {
12    /// Get the character set to use when rendering diagnostics.
13    fn get_elements(&self) -> DrawElements;
14}
15
16impl Draw for BuiltinDrawer {
17    fn get_elements(&self) -> DrawElements {
18        match self {
19            BuiltinDrawer::Unicode => DrawElements {
20                hbar: '─',
21                vbar: '│',
22                xbar: '┼',
23                vbar_break: '┆',
24                vbar_gap: '┆',
25                uarrow: '🭯',
26                rarrow: '▶',
27                ltop: '╭',
28                mtop: '┬',
29                rtop: '╮',
30                lbot: '╰',
31                mbot: '┴',
32                rbot: '╯',
33                lbox: '[',
34                rbox: ']',
35                lcross: '├',
36                rcross: '┤',
37                underbar: '┬',
38                underline: '─',
39            },
40            BuiltinDrawer::Ascii => DrawElements {
41                hbar: '-',
42                vbar: '|',
43                xbar: '+',
44                vbar_break: '*',
45                vbar_gap: ':',
46                uarrow: '^',
47                rarrow: '>',
48                ltop: ',',
49                mtop: 'v',
50                rtop: '.',
51                lbot: '`',
52                mbot: '^',
53                rbot: '\'',
54                lbox: '[',
55                rbox: ']',
56                lcross: '|',
57                rcross: '|',
58                underbar: '|',
59                underline: '^',
60            },
61        }
62    }
63}
64
65/// The character set used by formatter
66#[allow(missing_docs)]
67#[derive(Copy, Clone, Debug, PartialEq, Eq)]
68pub struct DrawElements {
69    /// Horizontal bar, eg: `─, -`
70    pub hbar: char,
71    /// Vertical bar, eg: `│, |`
72    pub vbar: char,
73    /// Cross bar, eg: `┼, +`
74    pub xbar: char,
75    /// Vertical bar break, eg: `┆, *`
76    pub vbar_break: char,
77    /// Vertical bar gap, eg: `┆, :`
78    pub vbar_gap: char,
79    /// Up arrow, eg: `🭯, ^`
80    pub uarrow: char,
81    /// Right arrow, eg: `▶, >`
82    pub rarrow: char,
83    /// Left top corner, eg: `╭, ,`
84    pub ltop: char,
85    /// Middle top, eg: `┬, v`
86    pub mtop: char,
87    /// Right top corner, eg: `╮, .`
88    pub rtop: char,
89    /// Left bottom corner, eg: `╰, ``
90    pub lbot: char,
91    /// Middle bottom, eg: `┴, ^`
92    pub rbot: char,
93    /// Right bottom corner, eg: `╯, '`
94    pub mbot: char,
95    /// Left box, eg: `[`
96    pub lbox: char,
97    /// Right box, eg: `]`
98    pub rbox: char,
99    /// Left cross, eg: `├, |`
100    pub lcross: char,
101    /// Right cross, eg: `┤, |`
102    pub rcross: char,
103    /// Under bar, eg: `┬, |`
104    pub underbar: char,
105    /// Underline, eg: `─, ^`
106    pub underline: char,
107}
diagnostic/characters/mod.rs

diagnostic/characters/
mod.rs
