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add a few more ansi escape sequences (#2553)

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Darren Schroeder 2020-09-15 16:01:57 -05:00 committed by GitHub
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18
crates/nu-cli/src/commands/char_.rs
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@ -105,6 +105,24 @@ fn str_to_character(s: &str) -> Option<String> {
"haze" => Some("\x1b[33m\u{2591}\x1b[0m".to_string()), // Yellow ░
"snow" => Some("\x1b[37;1m\u{2744}\x1b[0m".to_string()), // White Bold ❄
"thunderstorm" => Some("\x1b[33;1m\u{26a1}\x1b[0m".to_string()), // Yellow Bold ⚡
// Reference for ansi codes https://gist.github.com/fnky/458719343aabd01cfb17a3a4f7296797
// Another good reference http://ascii-table.com/ansi-escape-sequences.php
// For setting title like `echo [$(char title) $(pwd) $(char bel)] | str collect`
"title" => Some("\x1b]2;".to_string()), // ESC]2; xterm sets window title
"bel" => Some('\x07'.to_string()), // Terminal Bell
"backspace" => Some('\x08'.to_string()), // Backspace
// Ansi Erase Sequences
"clear_screen" => Some("\x1b[J".to_string()), // clears the screen
"clear_screen_from_cursor_to_end" => Some("\x1b[0J".to_string()), // clears from cursor until end of screen
"clear_screen_from_cursor_to_beginning" => Some("\x1b[1J".to_string()), // clears from cursor to beginning of screen
"cls" | "clear_entire_screen" => Some("\x1b[2J".to_string()), // clears the entire screen
"erase_line" => Some("\x1b[K".to_string()), // clears the current line
"erase_line_from_cursor_to_end" => Some("\x1b[0K".to_string()), // clears from cursor to end of line
"erase_line_from_cursor_to_beginning" => Some("\x1b[1K".to_string()), // clears from cursor to start of line
"erase_entire_line" => Some("\x1b[2K".to_string()), // clears entire line
_ => None,
}
}