42 lines
1.5 KiB
Rust
42 lines
1.5 KiB
Rust
use zip::ZipArchive;
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use mktemp::Temp;
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use std::path::PathBuf;
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use utils::{get_exe_dir, result_override};
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use std::fs::File;
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use std::io::{Read, Write};
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use config::consts::CSL_FILE_NAME;
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fn get_csl_path() -> PathBuf {
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return get_exe_dir().join(CSL_FILE_NAME);
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}
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fn get_temp_file() -> PathBuf {
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return Temp::new_file().expect("Failed to create temporary file").to_path_buf();
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}
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fn get_csl_data(csl_name: String) -> Result<String, String> {
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let zip_file = try!(result_override(File::open(get_csl_path()), "Failed to read CSL zip".into()));
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let mut archive = try!(result_override(ZipArchive::new(zip_file), "Failed to load zip file".into()));
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debug_assert!(archive.len() >= 10);
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let mut csl_zip_file = try!(result_override(archive.by_name(&format!("{}.csl", csl_name)), format!("Can't find CSL {}.", csl_name)));
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debug_assert!(csl_zip_file.size() > 0);
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let mut csl_buffer = String::new();
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try!(result_override(csl_zip_file.read_to_string(&mut csl_buffer), "Failed to read CSL".into()));
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return Ok(csl_buffer);
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}
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pub fn is_valid_csl(csl_name: String) -> bool {
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return get_csl_data(csl_name).is_ok();
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}
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pub fn unpack_csl(csl_name: String) -> PathBuf {
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let file = get_temp_file();
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let mut csl_temp = File::create(&file).expect("Failed to open temporary file");
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let mut csl_buffer = get_csl_data(csl_name).unwrap();
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csl_temp.write_all(csl_buffer.as_bytes()).expect("Failed to write CSL to temporary file");
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return file;
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}
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