kaiju_compiler_cli_core/
fs_module_reader.rs

1use crate::compiler_core::module_reader::ModuleReader;
2use relative_path::{RelativePath, RelativePathBuf};
3use std::fs::read_to_string;
4
5fn dir_path(path: &RelativePath) -> RelativePathBuf {
6    let mut path = path.to_relative_path_buf();
7    path.pop();
8    path
9}
10
11#[derive(Default)]
12pub struct FsModuleReader {
13    path_stack: Vec<RelativePathBuf>,
14}
15
16impl ModuleReader for FsModuleReader {
17    fn load_module_source(&self, path: &str) -> Option<String> {
18        if let Ok(source) = read_to_string(path) {
19            Some(source)
20        } else {
21            None
22        }
23    }
24
25    fn push_module_path(&mut self, path: &str) {
26        self.path_stack.push(dir_path(&RelativePath::new(path)));
27    }
28
29    fn pop_module_path(&mut self) {
30        self.path_stack.pop();
31    }
32
33    fn compose_path(&self, relative_path: &str) -> String {
34        let relative_path = RelativePathBuf::from(relative_path);
35        if let Some(path) = self.path_stack.last() {
36            let mut path = path.clone();
37            path.push(relative_path);
38            path
39        } else {
40            relative_path.to_relative_path_buf()
41        }
42        .normalize()
43        .as_str()
44        .to_owned()
45    }
46}
kaiju_compiler_cli_core/fs_module_reader.rs

kaiju_compiler_cli_core/
fs_module_reader.rs
