simplify somewhat

This commit is contained in:
phiresky 2019-06-05 11:39:35 +02:00
parent 8b7a0136fe
commit f53688269e
4 changed files with 274 additions and 52 deletions

238
Cargo.lock generated
View File

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@ -18,3 +18,4 @@ exclude = [
[dependencies]
tree_magic = { package = "tree_magic_fork", version="0.2" }
regex = "1.1.6"
rkv = "0.9.5"

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exampledir/wasteland.odt Normal file

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@ -5,33 +5,25 @@ use std::fmt;
use std::path::Path;
use tree_magic;
#[derive(Debug)]
struct ShittyError;
impl Error for ShittyError {}
impl fmt::Display for ShittyError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "ShittyError")
}
// lazy error
fn lerr(inp: impl AsRef<str>) -> Box<dyn Error> {
return inp.as_ref().into();
}
fn main() -> Result<(), Box<dyn Error>> {
let adapters = init_adapters()?;
//let ad = &adapters[0];
//let z: &str = &ad.metadata().name;
// todo: how to make this less indenty?
match std::env::args().skip(1).next() {
Some(filepath) => {
let filepath = std::env::args()
.skip(1)
.next()
.ok_or(lerr("No filename specified"))?;
println!("fname: {}", filepath);
let path = Path::new(&filepath);
let maybe_filename = path.file_name();
match maybe_filename {
Some(filename) => {
let result = tree_magic::from_filepath(path);
match result {
Some(mimetype) => {
let filename = path.file_name().ok_or(lerr("Empty filename"))?;
let mimetype = tree_magic::from_filepath(path).ok_or(lerr(format!(
"File {} does not exist",
filename.to_string_lossy()
)))?;
println!("mimetype: {:?}", mimetype);
let adapter = adapters(FileMeta {
mimetype,
@ -55,13 +47,4 @@ fn main() -> Result<(), Box<dyn Error>> {
Ok(())
}
}
}
None => Err("file does not exist".into()),
}
}
None => Err("Empty filename".into()),
}
}
None => Err("No filename specified".into()),
}
}