refactor

rnex-core/src/rmc/structures/string.rs

@@ -0,0 +1,39 @@
+use std::io::{Read, Write};
+use bytemuck::bytes_of;
+use log::error;
+use v_byte_helpers::{IS_BIG_ENDIAN, ReadExtensions};
+use super::{Result, RmcSerialize};
+
+impl RmcSerialize for String{
+    fn deserialize(mut reader: &mut dyn Read) -> Result<Self> {
+        let len: u16 = reader.read_struct(IS_BIG_ENDIAN)?;
+        let mut data = vec![0; len as usize - 1];
+        reader.read_exact(&mut data)?;
+
+        let null: u8 = reader.read_struct(IS_BIG_ENDIAN)?;
+        if null != 0{
+            error!("unable to find null terminator... continuing anyways");
+        }
+
+        Ok(String::from_utf8(data)?)
+    }
+    fn serialize(&self, writer: &mut dyn Write) -> Result<()> {
+        (&self[..]).serialize(writer)
+    }
+}
+
+impl RmcSerialize for &str{
+    fn deserialize(_reader: &mut dyn Read) -> Result<Self> {
+        panic!("cannot serialize to &str")
+    }
+    fn serialize(&self, writer: &mut dyn Write) -> Result<()> {
+        let u16_len: u16 = (self.len() + 1) as u16;
+        writer.write(bytes_of(&u16_len))?;
+
+        writer.write(self.as_bytes())?;
+        writer.write(&[0])?;
+
+        Ok(())
+    }
+}
+