From fc64e11cdd35051a2ea87237f548ae0497a2f7f9 Mon Sep 17 00:00:00 2001
From: Max Audron <audron@cocaine.farm>
Date: Wed, 29 Apr 2020 00:00:44 +0200
Subject: refactor everything

---
 src/primitive/stringlist.rs | 49 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/primitive/stringlist.rs

(limited to 'src/primitive/stringlist.rs')

diff --git a/src/primitive/stringlist.rs b/src/primitive/stringlist.rs
new file mode 100644
index 0000000..e5d1a44
--- /dev/null
+++ b/src/primitive/stringlist.rs
@@ -0,0 +1,49 @@
+extern crate byteorder;
+
+use std::convert::TryInto;
+use std::result::Result;
+use std::vec::Vec;
+
+use failure::Error;
+
+use log::trace;
+
+use crate::{Deserialize, Serialize};
+
+/// StringList are represented as a Vec of Strings
+///
+/// StringLists are serialized as an i32 of the amount of elements and then each element as a String
+pub type StringList = Vec<String>;
+
+impl Serialize for StringList {
+    fn serialize(&self) -> Result<Vec<u8>, Error> {
+        let len: i32 = self.len().try_into()?;
+        let mut res: Vec<u8> = Vec::new();
+
+        res.extend(len.to_be_bytes().iter());
+        for x in self {
+            res.extend(x.serialize()?);
+        }
+
+        return Ok(res);
+    }
+}
+
+impl Deserialize for StringList {
+    fn parse(b: &[u8]) -> Result<(usize, Self), Error> {
+        let (_, len) = i32::parse(&b[0..4])?;
+        trace!(target: "primitive::StringList", "Parsing with length: {:?}, from bytes: {:x?}", len, &b[0..4]);
+        let mut res: StringList = StringList::new();
+
+        let mut pos = 4;
+        if len > 0 {
+            for _ in 0..len {
+                let (lpos, val) = String::parse(&b[pos..])?;
+                pos += lpos;
+                res.push(val);
+            }
+        }
+
+        return Ok((pos, res));
+    }
+}
-- 
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