temp

Cargo.toml

@@ -14,6 +14,7 @@ license = "MIT"
 [dependencies]
 document-features = { version = "0.2", optional = true }
 encoding_rs = { version = "0.8", optional = true }
+encoding_rs_io = { version = "0.1", optional = true }
 serde = { version = "1.0", optional = true }
 memchr = "2.5"
 
@@ -47,7 +48,7 @@ default = []
 ## crate, that satisfied the restriction above.
 ##
 ## [standard compliant]: https://www.w3.org/TR/xml11/#charencoding
-encoding = ["encoding_rs"]
+encoding = ["encoding_rs", "encoding_rs_io"]
 
 ## This feature enables support for deserializing lists where tags are overlapped
 ## with tags that do not correspond to the list.

src/reader/buffered_reader.rs

@@ -6,11 +6,17 @@ use std::io::{self, BufRead, BufReader};
 use std::path::Path;
 
 use memchr;
+#[cfg(feature = "encoding")]
+use encoding_rs::UTF_8;
+#[cfg(feature = "encoding")]
+use encoding_rs_io::{DecodeReaderBytes, DecodeReaderBytesBuilder};
 
 use crate::errors::{Error, Result};
 use crate::events::Event;
 use crate::name::QName;
-use crate::reader::{is_whitespace, BangType, ReadElementState, Reader, XmlSource};
+#[cfg(feature = "encoding")]
+use crate::reader::EncodingRef;
+use crate::reader::{is_whitespace, BangType, ReadElementState, Reader, TagState, XmlSource};
 
 /// This is an implementation of [`Reader`] for reading from a [`BufRead`] as
 /// underlying byte stream.
@@ -217,12 +223,53 @@ impl<R: BufRead> Reader<R> {
     }
 }
 
+#[cfg(feature = "encoding")]
+impl Reader<BufReader<DecodeReaderBytes<File, Vec<u8>>>> {
+    /// Creates an XML reader from a file path.
+    pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Self> {
+        let file = File::open(path).map_err(Error::Io)?;
+        let decoder = DecodeReaderBytesBuilder::new()
+		.encoding(Some(UTF_8))
+		.bom_override(true)
+		.build(file);
+
+        let reader = Self {
+            reader: BufReader::new(decoder),
+            opened_buffer: Vec::new(),
+            opened_starts: Vec::new(),
+            tag_state: TagState::Init,
+            expand_empty_elements: false,
+            trim_text_start: false,
+            trim_text_end: false,
+            trim_markup_names_in_closing_tags: true,
+            check_end_names: true,
+            buf_position: 0,
+            check_comments: false,
+            encoding: EncodingRef::Implicit(UTF_8),
+        };
+        Ok(reader)
+    }
+}
+
+#[cfg(not(feature = "encoding"))]
 impl Reader<BufReader<File>> {
     /// Creates an XML reader from a file path.
     pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Self> {
         let file = File::open(path).map_err(Error::Io)?;
-        let reader = BufReader::new(file);
-        Ok(Self::from_reader(reader))
+        let reader = Self {
+            reader: BufReader::new(file),
+            opened_buffer: Vec::new(),
+            opened_starts: Vec::new(),
+            tag_state: TagState::Init,
+            expand_empty_elements: false,
+            trim_text_start: false,
+            trim_text_end: false,
+            trim_markup_names_in_closing_tags: true,
+            check_end_names: true,
+            buf_position: 0,
+            check_comments: false,
+        };
+        Ok(reader)
     }
 }
 

src/reader/mod.rs

@@ -1,5 +1,6 @@
 //! A module to handle `Reader`
 
+use std::io::Read;
 use std::str::from_utf8;
 
 #[cfg(feature = "encoding")]
@@ -330,7 +331,7 @@ pub struct Reader<R> {
 }
 
 /// Builder methods
-impl<R> Reader<R> {
+impl<R: Read> Reader<R> {
     /// Creates a `Reader` that reads from a given reader.
     pub fn from_reader(reader: R) -> Self {
         Self {

src/reader/ns_reader.rs

@@ -5,7 +5,7 @@
 //! [expanded names]: https://www.w3.org/TR/xml-names11/#dt-expname
 
 use std::fs::File;
-use std::io::{BufRead, BufReader};
+use std::io::{BufRead, BufReader, Read};
 use std::ops::Deref;
 use std::path::Path;
 
@@ -32,7 +32,7 @@ pub struct NsReader<R> {
 }
 
 /// Builder methods
-impl<R> NsReader<R> {
+impl<R: Read> NsReader<R> {
     /// Creates a `NsReader` that reads from a reader.
     #[inline]
     pub fn from_reader(reader: R) -> Self {

src/reader/slice_reader.rs

@@ -10,7 +10,7 @@ use encoding_rs::UTF_8;
 use crate::errors::{Error, Result};
 use crate::events::Event;
 use crate::name::QName;
-use crate::reader::{is_whitespace, BangType, ReadElementState, Reader, XmlSource};
+use crate::reader::{is_whitespace, BangType, ReadElementState, Reader, TagState, XmlSource};
 
 use memchr;
 
@@ -21,15 +21,22 @@ impl<'a> Reader<&'a [u8]> {
     /// Creates an XML reader from a string slice.
     pub fn from_str(s: &'a str) -> Self {
         // Rust strings are guaranteed to be UTF-8, so lock the encoding
-        #[cfg(feature = "encoding")]
-        {
-            let mut reader = Self::from_reader(s.as_bytes());
-            reader.encoding = EncodingRef::Explicit(UTF_8);
-            reader
-        }
+        Self {
+            reader: s.as_bytes(),
+            opened_buffer: Vec::new(),
+            opened_starts: Vec::new(),
+            tag_state: TagState::Init,
+            expand_empty_elements: false,
+            trim_text_start: false,
+            trim_text_end: false,
+            trim_markup_names_in_closing_tags: true,
+            check_end_names: true,
+            buf_position: 0,
+            check_comments: false,
 
-        #[cfg(not(feature = "encoding"))]
-        Self::from_reader(s.as_bytes())
+            #[cfg(feature = "encoding")]
+            encoding: EncodingRef::Explicit(UTF_8),
+        }
     }
 
     /// Read an event that borrows from the input rather than a buffer.