[main] Implemented joining pathes for FileInfos. Still broken though :/

src/main.rs

@@ -1,7 +1,7 @@
 // who do you think you are? my mom?!
 #![allow(uncommon_codepoints)]
 
-use std::{env, fs};
+use std::{env, fs, path};
 
 use crate::bencode::de::from_bytes;
 use crate::bencode::ser::to_bytes;
@@ -9,17 +9,41 @@ use anyhow::{anyhow, Result};
 use rand::prelude::*;
 use reqwest::blocking::Client;
 use reqwest::Url;
-use serde::{de, Deserialize, Deserializer, Serialize};
+use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
+use serde::ser::SerializeSeq;
 use serde_bytes::ByteBuf;
 use sha1::{Digest, Sha1};
 
 mod bencode;
+mod torrent;
 
 #[derive(Serialize, Deserialize, Debug)]
 struct FileInfo {
     length: i64,
-    // TODO with os.path.join
+    #[serde(deserialize_with = "deserialize_path", serialize_with = "serialize_path")]
-    path: Vec<String>,
+    path: String,
+}
+
+fn deserialize_path<'de, D>(deserializer: D) -> Result<String, D::Error>
+where D: Deserializer<'de> {
+    let parts: Vec<String> = Vec::deserialize(deserializer)?;
+    for p in parts.iter() {
+        let res = p.find(path::MAIN_SEPARATOR_STR);
+        if let Some(_) = res {
+            return Err(de::Error::custom(format!("Unable to deal with {} (platform path separator in path parts", path::MAIN_SEPARATOR_STR)))
+        }
+    }
+    Ok(parts.join(path::MAIN_SEPARATOR_STR))
+}
+
+fn serialize_path<S>(v: &String, serializer: S) -> Result<S::Ok, S::Error>
+where S: Serializer {
+    let parts: Vec<&str> = v.split(path::MAIN_SEPARATOR_STR).collect();
+    let mut seq = serializer.serialize_seq(Some(parts.len()))?;
+    for p in parts {
+        seq.serialize_element(p)?;
+    }
+    seq.end()
 }
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -46,7 +70,7 @@ where D: Deserializer<'de> {
 }
 
 fn serialize_pieces<S>(v: &Vec<[u8; 20]>, serializer: S) -> Result<S::Ok, S::Error>
-where S: serde::ser::Serializer
+where S: Serializer
 {
     let mut buf = Vec::new();
     for i in v {
@@ -129,7 +153,7 @@ fn main() -> Result<()> {
     let resp = client.get(url).send()?;
     let status = resp.status();
 
-    // let body = resp.text()?;
+    let body = resp.text()?;
     println!("Response: {status}");
 
     Ok(())