diff options
Diffstat (limited to 'src/protocol/primitive/stringlist.rs')
| -rw-r--r-- | src/protocol/primitive/stringlist.rs | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/protocol/primitive/stringlist.rs b/src/protocol/primitive/stringlist.rs new file mode 100644 index 0000000..d2902f2 --- /dev/null +++ b/src/protocol/primitive/stringlist.rs @@ -0,0 +1,45 @@ +extern crate byteorder; + +use std::convert::TryInto; +use std::result::Result; +use std::vec::Vec; + +use failure::Error; + +use log::trace; + +use crate::protocol::primitive::{deserialize, serialize}; + +pub type StringList = Vec<String>; +impl serialize::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::Deserialize for StringList { + fn parse(b: &[u8]) -> Result<(usize, Self), Error> { + let (_, len) = i32::parse(&b[0..4])?; + trace!(target: "protocol::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)); + } +} |
