ansi_parser/
enums.rs

1#[cfg(test)]
2mod tests;
3
4use heapless::Vec;
5
6///The following are the implemented ANSI escape sequences. More to be added.
7#[derive(Debug, PartialEq, Clone)]
8pub enum AnsiSequence {
9    Escape,
10    CursorPos(u32, u32),
11    CursorUp(u32),
12    CursorDown(u32),
13    CursorForward(u32),
14    CursorBackward(u32),
15    CursorSave,
16    CursorRestore,
17    EraseDisplay,
18    EraseLine,
19    SetGraphicsMode(Vec<u8, 5>),
20    SetMode(u8),
21    ResetMode(u8),
22    HideCursor,
23    ShowCursor,
24    CursorToApp,
25    SetNewLineMode,
26    SetCol132,
27    SetSmoothScroll,
28    SetReverseVideo,
29    SetOriginRelative,
30    SetAutoWrap,
31    SetAutoRepeat,
32    SetInterlacing,
33    SetLineFeedMode,
34    SetCursorKeyToCursor,
35    SetVT52,
36    SetCol80,
37    SetJumpScrolling,
38    SetNormalVideo,
39    SetOriginAbsolute,
40    ResetAutoWrap,
41    ResetAutoRepeat,
42    ResetInterlacing,
43    SetAlternateKeypad,
44    SetNumericKeypad,
45    SetUKG0,
46    SetUKG1,
47    SetUSG0,
48    SetUSG1,
49    SetG0SpecialChars,
50    SetG1SpecialChars,
51    SetG0AlternateChar,
52    SetG1AlternateChar,
53    SetG0AltAndSpecialGraph,
54    SetG1AltAndSpecialGraph,
55    SetSingleShift2,
56    SetSingleShift3,
57    SetTopAndBottom(u32, u32),
58}
59
60use core::fmt::{Display, Formatter, Result as DisplayResult};
61impl Display for AnsiSequence {
62    fn fmt(&self, formatter: &mut Formatter) -> DisplayResult {
63        write!(formatter, "\u{1b}")?;
64
65        use AnsiSequence::*;
66        match self {
67            Escape => write!(formatter, "\u{1b}"),
68            CursorPos(line, col) => write!(formatter, "[{};{}H", line, col),
69            CursorUp(amt) => write!(formatter, "[{}A", amt),
70            CursorDown(amt) => write!(formatter, "[{}B", amt),
71            CursorForward(amt) => write!(formatter, "[{}C", amt),
72            CursorBackward(amt) => write!(formatter, "[{}D", amt),
73            CursorSave => write!(formatter, "[s"),
74            CursorRestore => write!(formatter, "[u"),
75            EraseDisplay => write!(formatter, "[2J"),
76            EraseLine => write!(formatter, "[K"),
77            SetGraphicsMode(vec) => match vec.len() {
78                0 => write!(formatter, "[m"),
79                1 => write!(formatter, "[{}m", vec[0]),
80                2 => write!(formatter, "[{};{}m", vec[0], vec[1]),
81                3 => write!(formatter, "[{};{};{}m", vec[0], vec[1], vec[2]),
82                5 => write!(
83                    formatter,
84                    "[{};{};{};{};{}m",
85                    vec[0], vec[1], vec[2], vec[3], vec[4]
86                ),
87                _ => unreachable!(),
88            },
89            SetMode(mode) => write!(formatter, "[={}h", mode),
90            ResetMode(mode) => write!(formatter, "[={}l", mode),
91            ShowCursor => write!(formatter, "[?25h"),
92            HideCursor => write!(formatter, "[?25l"),
93            CursorToApp => write!(formatter, "[?1h"),
94            SetNewLineMode => write!(formatter, "[20h"),
95            SetCol132 => write!(formatter, "[?3h"),
96            SetSmoothScroll => write!(formatter, "[?4h"),
97            SetReverseVideo => write!(formatter, "[?5h"),
98            SetOriginRelative => write!(formatter, "[?6h"),
99            SetAutoWrap => write!(formatter, "[?7h"),
100            SetAutoRepeat => write!(formatter, "[?8h"),
101            SetInterlacing => write!(formatter, "[?9h"),
102            SetLineFeedMode => write!(formatter, "[20l"),
103            SetCursorKeyToCursor => write!(formatter, "[?1l"),
104            SetVT52 => write!(formatter, "[?2l"),
105            SetCol80 => write!(formatter, "[?3l"),
106            SetJumpScrolling => write!(formatter, "[?4l"),
107            SetNormalVideo => write!(formatter, "[?5l"),
108            SetOriginAbsolute => write!(formatter, "[?6l"),
109            ResetAutoWrap => write!(formatter, "[?7l"),
110            ResetAutoRepeat => write!(formatter, "[?8l"),
111            ResetInterlacing => write!(formatter, "[?9l"),
112            SetAlternateKeypad => write!(formatter, "="),
113            SetNumericKeypad => write!(formatter, ">"),
114            SetUKG0 => write!(formatter, "(A"),
115            SetUKG1 => write!(formatter, ")A"),
116            SetUSG0 => write!(formatter, "(B"),
117            SetUSG1 => write!(formatter, ")B"),
118            SetG0SpecialChars => write!(formatter, "(0"),
119            SetG1SpecialChars => write!(formatter, ")0"),
120            SetG0AlternateChar => write!(formatter, "(1"),
121            SetG1AlternateChar => write!(formatter, ")1"),
122            SetG0AltAndSpecialGraph => write!(formatter, "(2"),
123            SetG1AltAndSpecialGraph => write!(formatter, ")2"),
124            SetSingleShift2 => write!(formatter, "N"),
125            SetSingleShift3 => write!(formatter, "O"),
126            SetTopAndBottom(x, y) => write!(formatter, "{};{}r", x, y),
127        }
128    }
129}
130
131///This is what is outputted by the parsing iterator.
132///Each block contains either straight-up text, or simply
133///an ANSI escape sequence.
134#[derive(Debug, Clone, PartialEq)]
135pub enum Output<'a> {
136    TextBlock(&'a str),
137    Escape(AnsiSequence),
138}
139
140impl<'a> Display for Output<'a> {
141    fn fmt(&self, formatter: &mut Formatter) -> DisplayResult {
142        use Output::*;
143        match self {
144            TextBlock(txt) => write!(formatter, "{}", txt),
145            Escape(seq) => write!(formatter, "{}", seq),
146        }
147    }
148}
ansi_parser/enums.rs

ansi_parser/
enums.rs
