forked from AbleOS/ableos
108 lines
2.9 KiB
Rust
108 lines
2.9 KiB
Rust
use logos::{Lexer, Logos};
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// TODO improve tokenizer/parser
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pub fn colorify(eval: &str) {
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let y = eval.split('$');
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for z in y {
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match z {
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"BLACK" => {
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// set_vga_color(Color::Black, Color::Black);
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}
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"RED" => {
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// set_vga_color(Color::Red, Color::Black);
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}
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"GREEN" => {
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// set_vga_color(Color::Green, Color::Black);
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}
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"BLUE" => {
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// set_vga_color(Color::Blue, Color::Black);
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}
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"CYAN" => {
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// set_vga_color(Color::Cyan, Color::Black);
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}
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"MAGENTA" => {
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// set_vga_color(Color::Magenta, Color::Black);
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}
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"BROWN" => {
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// set_vga_color(Color::Brown, Color::Black);
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}
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"LIGHTGRAY" => {
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// set_vga_color(Color::LightGray, Color::Black);
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}
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"DARKGRAY" => {
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// set_vga_color(Color::DarkGray, Color::Black);
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}
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"LIGHTBLUE" => {
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// set_vga_color(Color::LightBlue, Color::Black);
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}
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"LIGHTGREEN" => {
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// set_vga_color(Color::LightGreen, Color::Black);
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}
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"LIGHTCYAN" => {
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// set_vga_color(Color::LightCyan, Color::Black);
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}
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"LIGHTRED" => {
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// set_vga_color(Color::LightRed, Color::Black);
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}
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"PINK" => {
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// set_vga_color(Color::Pink, Color::Black);
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}
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"YELLOW" => {
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// set_vga_color(Color::Yellow, Color::Black);
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}
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"WHITE" => {
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// set_vga_color(Color::White, Color::Black);
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}
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"RESET" => {
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// set_vga_color(Color::White, Color::Black);
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}
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_elk => {
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// kprint!("{}", elk);
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}
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}
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}
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}
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#[derive(Logos, Debug, PartialEq)]
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pub enum Token {
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// Hex(u32),
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#[regex(r"\$RED\$")]
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Red,
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#[regex(r"\$RESET\$")]
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Reset,
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#[regex("[a-zA-Z!@#$%^&*\">()\n ]+", parse_text, priority = 2)]
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Text(String),
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#[error]
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#[regex(r"[ \t\n\f]+", logos::skip)]
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Error,
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}
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pub fn colorify_2(eval: &str) {
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let lexer = Token::lexer(eval);
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for token in lexer {
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use Token::*;
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match token {
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Red => {
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// set_vga_color(Color::Red, Color::Black);
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}
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Reset => {
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// set_vga_color(Color::White, Color::Black);
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}
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Text(_text) => {
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// kprint!("{}", text);
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}
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err => {
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error!("Error parsing {:?}", err);
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}
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}
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}
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}
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fn parse_text(lex: &mut Lexer<Token>) -> Option<String> {
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let slice = lex.slice();
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Some(String::from(slice))
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}
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