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47 lines
1.1 KiB
47 lines
1.1 KiB
//! cassiopeia file format
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mod ir;
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mod lexer;
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mod parser;
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pub(crate) use ir::{IrItem, IrStream, IrType, MakeIr};
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pub(crate) use lexer::{LineLexer, LineToken, Token};
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pub(crate) use parser::LineCfg;
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use crate::TimeFile;
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use std::{fs::File, io::Read};
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#[derive(Default)]
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pub struct ParseOutput {
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pub(crate) ir: IrStream,
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pub(crate) tf: TimeFile,
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}
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impl ParseOutput {
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fn append(mut self, ir: IrItem) -> Self {
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self.tf.append(ir.clone());
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self.ir.push(ir);
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self
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}
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}
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/// Load a file from disk and parse it into a
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/// [`TimeFile`](crate::TimeFile)
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pub fn load_file(path: &str) -> Option<ParseOutput> {
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let mut f = File::open(path).ok()?;
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let mut content = String::new();
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f.read_to_string(&mut content).ok()?;
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let mut lines: Vec<String> = content.split("\n").map(|l| l.to_owned()).collect();
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Some(
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ir::generate_ir(
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lines
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.iter_mut()
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.map(|line| lexer::lex(line))
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.map(|lex| parser::parse(lex)),
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)
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.into_iter()
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.fold(ParseOutput::default(), |output, ir| output.append(ir)),
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)
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}
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