move Element to stanza and make write() a method

src/client/encrypted.rs

@@ -6,8 +6,8 @@ use tokio::io::{BufReader, ReadHalf, WriteHalf};
 use tokio::net::TcpStream;
 use tokio_native_tls::TlsStream;
 
-use crate::element::Element;
 use crate::stanza::stream::{Stream, StreamFeature};
+use crate::stanza::Element;
 use crate::Jabber;
 use crate::Result;
 

src/client/unencrypted.rs

@@ -1,5 +1,3 @@
-use std::str;
-
 use quick_xml::{
     events::{BytesDecl, BytesStart, Event},
     name::QName,
@@ -9,8 +7,8 @@ use tokio::io::{BufReader, ReadHalf, WriteHalf};
 use tokio::net::TcpStream;
 use tokio_native_tls::native_tls::TlsConnector;
 
-use crate::element::Element;
 use crate::stanza::stream::StreamFeature;
+use crate::stanza::Element;
 use crate::Jabber;
 use crate::Result;
 use crate::{error::JabberError, stanza::stream::Stream};

src/element.rs

@@ -1,108 +0,0 @@
-use async_recursion::async_recursion;
-use quick_xml::events::Event;
-use quick_xml::{Reader, Writer};
-use tokio::io::{AsyncBufRead, AsyncWrite};
-
-use crate::Result;
-
-#[derive(Debug)]
-pub struct Element<'e> {
-    pub event: Event<'e>,
-    pub content: Option<Vec<Element<'e>>>,
-}
-
-// TODO: make method
-#[async_recursion]
-pub async fn write<'e: 'async_recursion, W: AsyncWrite + Unpin + Send>(
-    element: Element<'e>,
-    writer: &mut Writer<W>,
-) -> Result<()> {
-    match element.event {
-        Event::Start(e) => {
-            writer.write_event_async(Event::Start(e.clone())).await?;
-            if let Some(content) = element.content {
-                for e in content {
-                    write(e, writer).await?;
-                }
-            }
-            writer.write_event_async(Event::End(e.to_end())).await?;
-            return Ok(());
-        }
-        e => Ok(writer.write_event_async(e).await?),
-    }
-}
-
-impl<'e> Element<'e> {
-    pub async fn write_start<W: AsyncWrite + Unpin + Send>(
-        &self,
-        writer: &mut Writer<W>,
-    ) -> Result<()> {
-        match self.event.as_ref() {
-            Event::Start(e) => Ok(writer.write_event_async(Event::Start(e.clone())).await?),
-            e => Err(ElementError::NotAStart(e.clone().into_owned()).into()),
-        }
-    }
-
-    pub async fn write_end<W: AsyncWrite + Unpin + Send>(
-        &self,
-        writer: &mut Writer<W>,
-    ) -> Result<()> {
-        match self.event.as_ref() {
-            Event::Start(e) => Ok(writer
-                .write_event_async(Event::End(e.clone().to_end()))
-                .await?),
-            e => Err(ElementError::NotAStart(e.clone().into_owned()).into()),
-        }
-    }
-
-    #[async_recursion]
-    pub async fn read<R: AsyncBufRead + Unpin + Send>(
-        reader: &mut Reader<R>,
-    ) -> Result<Option<Self>> {
-        let mut buf = Vec::new();
-        let event = reader.read_event_into_async(&mut buf).await?;
-        match event {
-            Event::Start(e) => {
-                let mut content_vec = Vec::new();
-                while let Some(sub_element) = Element::read(reader).await? {
-                    content_vec.push(sub_element)
-                }
-                let mut content = None;
-                if !content_vec.is_empty() {
-                    content = Some(content_vec)
-                }
-                Ok(Some(Self {
-                    event: Event::Start(e.into_owned()),
-                    content,
-                }))
-            }
-            Event::End(_) => Ok(None),
-            e => Ok(Some(Self {
-                event: e.into_owned(),
-                content: None,
-            })),
-        }
-    }
-
-    #[async_recursion]
-    pub async fn read_start<R: AsyncBufRead + Unpin + Send>(
-        reader: &mut Reader<R>,
-    ) -> Result<Self> {
-        let mut buf = Vec::new();
-        let event = reader.read_event_into_async(&mut buf).await?;
-        match event {
-            Event::Start(e) => {
-                return Ok(Self {
-                    event: Event::Start(e.into_owned()),
-                    content: None,
-                })
-            }
-            e => Err(ElementError::NotAStart(e.into_owned()).into()),
-        }
-    }
-}
-
-#[derive(Debug)]
-pub enum ElementError<'e> {
-    NotAStart(Event<'e>),
-}

src/error.rs

@@ -4,8 +4,8 @@ use quick_xml::events::attributes::AttrError;
 use rsasl::mechname::MechanismNameError;
 
 use crate::{
-    element::{self, ElementError},
     jid::ParseError,
+    stanza::{self, ElementError},
 };
 
 #[derive(Debug)]
@@ -54,8 +54,8 @@ impl From<quick_xml::Error> for JabberError {
     }
 }
 
-impl From<element::ElementError<'static>> for JabberError {
-    fn from(e: element::ElementError<'static>) -> Self {
+impl From<stanza::ElementError<'static>> for JabberError {
+    fn from(e: stanza::ElementError<'static>) -> Self {
         Self::Element(e)
     }
 }

src/stanza/mod.rs

@@ -4,3 +4,123 @@ pub mod sasl;
 pub mod stream;
 
 // const DECLARATION: BytesDecl<'_> = BytesDecl::new("1.0", None, None);
+use async_recursion::async_recursion;
+use quick_xml::events::Event;
+use quick_xml::{Reader, Writer};
+use tokio::io::{AsyncBufRead, AsyncWrite};
+
+use crate::Result;
+
+#[derive(Debug)]
+pub struct Element<'e> {
+    pub event: Event<'e>,
+    pub content: Option<Vec<Element<'e>>>,
+}
+
+impl<'e: 'async_recursion, 'async_recursion> Element<'e> {
+    pub fn write<'life0, W: AsyncWrite + Unpin + Send>(
+        &'async_recursion self,
+        writer: &'life0 mut Writer<W>,
+    ) -> ::core::pin::Pin<
+        Box<
+            dyn ::core::future::Future<Output = Result<()>>
+                + 'async_recursion
+                + ::core::marker::Send,
+        >,
+    >
+    where
+        W: 'async_recursion,
+        'life0: 'async_recursion,
+    {
+        Box::pin(async move {
+            match &self.event {
+                Event::Start(e) => {
+                    writer.write_event_async(Event::Start(e.clone())).await?;
+                    if let Some(content) = &self.content {
+                        for _e in content {
+                            self.write(writer).await?;
+                        }
+                    }
+                    writer.write_event_async(Event::End(e.to_end())).await?;
+                    return Ok(());
+                }
+                e => Ok(writer.write_event_async(e).await?),
+            }
+        })
+    }
+}
+
+impl<'e> Element<'e> {
+    pub async fn write_start<W: AsyncWrite + Unpin + Send>(
+        &self,
+        writer: &mut Writer<W>,
+    ) -> Result<()> {
+        match self.event.as_ref() {
+            Event::Start(e) => Ok(writer.write_event_async(Event::Start(e.clone())).await?),
+            e => Err(ElementError::NotAStart(e.clone().into_owned()).into()),
+        }
+    }
+
+    pub async fn write_end<W: AsyncWrite + Unpin + Send>(
+        &self,
+        writer: &mut Writer<W>,
+    ) -> Result<()> {
+        match self.event.as_ref() {
+            Event::Start(e) => Ok(writer
+                .write_event_async(Event::End(e.clone().to_end()))
+                .await?),
+            e => Err(ElementError::NotAStart(e.clone().into_owned()).into()),
+        }
+    }
+
+    #[async_recursion]
+    pub async fn read<R: AsyncBufRead + Unpin + Send>(
+        reader: &mut Reader<R>,
+    ) -> Result<Option<Self>> {
+        let mut buf = Vec::new();
+        let event = reader.read_event_into_async(&mut buf).await?;
+        match event {
+            Event::Start(e) => {
+                let mut content_vec = Vec::new();
+                while let Some(sub_element) = Element::read(reader).await? {
+                    content_vec.push(sub_element)
+                }
+                let mut content = None;
+                if !content_vec.is_empty() {
+                    content = Some(content_vec)
+                }
+                Ok(Some(Self {
+                    event: Event::Start(e.into_owned()),
+                    content,
+                }))
+            }
+            Event::End(_) => Ok(None),
+            e => Ok(Some(Self {
+                event: e.into_owned(),
+                content: None,
+            })),
+        }
+    }
+
+    #[async_recursion]
+    pub async fn read_start<R: AsyncBufRead + Unpin + Send>(
+        reader: &mut Reader<R>,
+    ) -> Result<Self> {
+        let mut buf = Vec::new();
+        let event = reader.read_event_into_async(&mut buf).await?;
+        match event {
+            Event::Start(e) => {
+                return Ok(Self {
+                    event: Event::Start(e.into_owned()),
+                    content: None,
+                })
+            }
+            e => Err(ElementError::NotAStart(e.into_owned()).into()),
+        }
+    }
+}
+
+#[derive(Debug)]
+pub enum ElementError<'e> {
+    NotAStart(Event<'e>),
+}

src/stanza/stream.rs

@@ -5,7 +5,8 @@ use quick_xml::{
     name::QName,
 };
 
-use crate::{element::Element, JabberError, Result, JID};
+use super::Element;
+use crate::{JabberError, Result, JID};
 
 const XMLNS_STREAM: &str = "http://etherx.jabber.org/streams";
 const VERSION: &str = "1.0";