add some tracing

4 files changed, 21 insertions, 3 deletions

diff --git a/src/element.rs b/src/element.rs
index 98a3315..1f78419 100644
--- a/src/element.rs
+++ b/src/element.rs
@@ -8,6 +8,8 @@ use std::{
     str::FromStr,
 };
 
+use tracing::debug;
+
 use crate::{
     error::{DeserializeError, Error},
     xml::{self, parsers_complete::Parser, Attribute},
@@ -322,17 +324,28 @@ impl Element {
         let mut children = Vec::new();
         loop {
             let child = self.content.front();
+            debug!("child: {:?}", child);
             if let Some(child) = child {
                 match child {
                     Content::Element(element) => {
                         if let Ok(child) = <T as FromElement>::from_element(element.clone()) {
+                            debug!("parsed child");
                             children.push(child);
                             self.content.pop_front();
+                        } else {
+                            debug!("failed to parse child");
+                            return Ok(children);
                         }
                     }
                     Content::Text(_) => return Ok(children),
-                    Content::PI => {}
-                    Content::Comment(_) => {}
+                    Content::PI => {
+                        self.content.pop_front();
+                        continue;
+                    }
+                    Content::Comment(_) => {
+                        self.content.pop_front();
+                        continue;
+                    }
                 }
             } else {
                 return Ok(children);
diff --git a/src/error.rs b/src/error.rs
index dd8ea17..0cac59b 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -14,6 +14,7 @@ pub enum DeserializeError {
     FromStr(String),
     UnexpectedAttributes(HashMap<Name, String>),
     UnexpectedContent(VecDeque<Content>),
+    UnexpectedElement(Element),
     MissingAttribute(Name),
     IncorrectName(String),
     IncorrectNamespace(String),
diff --git a/src/reader.rs b/src/reader.rs
index aa4d467..d2de170 100644
--- a/src/reader.rs
+++ b/src/reader.rs
@@ -9,6 +9,7 @@ use std::{
     str::{self, FromStr},
 };
 use tokio::io::{AsyncBufRead, AsyncBufReadExt, AsyncRead, AsyncReadExt};
+use tracing::debug;
 
 use crate::{
     declaration::{Declaration, VersionInfo},
@@ -21,6 +22,7 @@ use crate::{
 static MAX_STANZA_SIZE: usize = 65536;
 
 /// streaming reader that tracks depth and available namespaces at current depth
+#[derive(Debug)]
 pub struct Reader<R> {
     inner: R,
     pub buffer: Buffer,
@@ -59,7 +61,7 @@ impl<R> Reader<R>
 where
     R: AsyncRead + Unpin,
 {
-    async fn read_buf<'s>(&mut self) -> Result<usize> {
+    pub async fn read_buf<'s>(&mut self) -> Result<usize> {
         Ok(self.inner.read_buf(&mut self.buffer).await?)
     }
 
@@ -107,6 +109,7 @@ where
 
     pub async fn read<'s, T: FromElement>(&'s mut self) -> Result<T> {
         let element = self.read_element().await?;
+        debug!("read element: {:?}", element);
         Ok(FromElement::from_element(element)?)
     }
 
diff --git a/src/writer.rs b/src/writer.rs
index 8b45869..25e19fb 100644
--- a/src/writer.rs
+++ b/src/writer.rs
@@ -13,6 +13,7 @@ use crate::{
 };
 
 // pub struct Writer<W, C = Composer> {
+#[derive(Debug)]
 pub struct Writer<W> {
     inner: W,
     depth: Vec<Name>,