cmsis_cli/
config.rs

1extern crate cmsis_pack;
2
3use std::fs::{create_dir_all, OpenOptions};
4use std::io::{BufRead, BufReader, Write};
5use std::path::PathBuf;
6
7use anyhow::Error;
8
9use cmsis_pack::update::DownloadConfig;
10
11use directories::ProjectDirs;
12
13pub struct Config {
14    pub pack_store: PathBuf,
15    pub vidx_list: PathBuf,
16}
17
18impl DownloadConfig for Config {
19    fn pack_store(&self) -> PathBuf {
20        self.pack_store.clone()
21    }
22}
23
24impl Config {
25    pub fn new() -> Result<Config, Error> {
26        let proj_dir = match ProjectDirs::from("", "", "cmsis-pack-manager") {
27            Some(p) => p,
28            None => return Err(anyhow::anyhow!("Could not determine home directory")),
29        };
30
31        let pack_store = proj_dir.config_dir().to_path_buf();
32        let mut vidx_list = proj_dir.config_dir().to_path_buf();
33        vidx_list.push("vendors.list");
34
35        Ok(Config {
36            pack_store,
37            vidx_list,
38        })
39    }
40
41    pub fn read_vidx_list(&self) -> Vec<String> {
42        let fd = OpenOptions::new().read(true).open(&self.vidx_list);
43        match fd.map_err(Error::from) {
44            Ok(r) => BufReader::new(r)
45                .lines()
46                .enumerate()
47                .flat_map(|(linenum, line)| {
48                    line.map_err(|e| log::error!("Could not parse line #{}: {}", linenum, e))
49                        .into_iter()
50                })
51                .collect(),
52            Err(_) => {
53                log::warn!("Failed to open vendor index list read only. Recreating.");
54                let new_content = vec![String::from("http://www.keil.com/pack/index.pidx")];
55                match self.vidx_list.parent() {
56                    Some(par) => {
57                        create_dir_all(par).unwrap_or_else(|e| {
58                            log::error!(
59                                "Could not create parent directory for vendor index list.\
60                                 Error: {}",
61                                e
62                            );
63                        });
64                    }
65                    None => {
66                        log::error!("Could not get parent directory for vendors.list");
67                    }
68                }
69                match OpenOptions::new()
70                    .create(true)
71                    .truncate(true)
72                    .write(true)
73                    .open(&self.vidx_list)
74                {
75                    Ok(mut fd) => {
76                        let lines = new_content.join("\n");
77                        fd.write_all(lines.as_bytes()).unwrap_or_else(|e| {
78                            log::error!("Could not create vendor list file: {}", e);
79                        });
80                    }
81                    Err(e) => {
82                        log::error!("Could not open vendors index list file for writing {}", e)
83                    }
84                }
85                new_content
86            }
87        }
88    }
89}
cmsis_cli/config.rs

cmsis_cli/
config.rs
