diff options
| author | Max Audron <audron@cocaine.farm> | 2020-04-25 19:35:29 +0200 |
|---|---|---|
| committer | Max Audron <audron@cocaine.farm> | 2020-04-25 19:35:29 +0200 |
| commit | c546e2ef6c69bb1c6a86093f3cc7b2dab20d6ac4 (patch) | |
| tree | 5f761765863f39405a3ae6e27cb865ead6be2e38 /src/protocol/primitive/variantlist.rs | |
| parent | finish FramedCodec (diff) | |
finish parsing of primitive types
Diffstat (limited to 'src/protocol/primitive/variantlist.rs')
| -rw-r--r-- | src/protocol/primitive/variantlist.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/protocol/primitive/variantlist.rs b/src/protocol/primitive/variantlist.rs new file mode 100644 index 0000000..2481b32 --- /dev/null +++ b/src/protocol/primitive/variantlist.rs @@ -0,0 +1,46 @@ +use std::convert::TryInto; +use std::vec::Vec; + +use failure::Error; + +use log::trace; + +use crate::protocol::primitive::{deserialize::Deserialize, serialize::Serialize}; + +extern crate bytes; + +use crate::protocol::primitive::Variant; + +pub type VariantList = Vec<Variant>; + +impl Serialize for VariantList { + 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 v in self { + res.extend(v.serialize()?.iter()); + } + + return Ok(res); + } +} + +impl Deserialize for VariantList { + fn parse(b: &[u8]) -> Result<(usize, Self), Error> { + let (_, len) = i32::parse(&b[0..4])?; + trace!(target: "protocol::primitive::VariantList", "Parsing VariantList with {:?} elements", len); + + let mut res: VariantList = VariantList::new(); + let mut pos: usize = 4; + for i in 0..len { + trace!(target: "protocol::primitive::VariantList", "Parsing VariantList element: {:?}", i); + let (vlen, val) = Variant::parse(&b[pos..])?; + res.push(val); + pos += vlen; + } + + return Ok((pos, res)); + } +} |
