Change "tls" feature to "native-tls" (#201)

Change "tls" feature to "native-tls" for clarity and obvious distinction with rustls-tls.

Cargo.toml

@@ -14,9 +14,8 @@ keywords = ["email", "imap"]
 categories = ["email", "network-programming"]
 
 [features]
-tls = ["native-tls"]
 rustls-tls = ["rustls-connector"]
-default = ["tls"]
+default = ["native-tls"]
 
 [dependencies]
 native-tls = { version = "0.2.2", optional = true }

src/client.rs

@@ -284,7 +284,7 @@ impl<T: Read + Write> Client<T> {
     /// # use imap::Client;
     /// # use std::io;
     /// # use std::net::TcpStream;
-    /// # {} #[cfg(feature = "tls")]
+    /// # {} #[cfg(feature = "native-tls")]
     /// # fn main() {
     /// # let server = "imap.example.com";
     /// # let username = "";
@@ -325,7 +325,7 @@ impl<T: Read + Write> Client<T> {
     /// transferred back to the caller.
     ///
     /// ```rust,no_run
-    /// # {} #[cfg(feature = "tls")]
+    /// # {} #[cfg(feature = "native-tls")]
     /// # fn main() {
     /// let client = imap::ClientBuilder::new("imap.example.org", 993)
     ///     .native_tls().unwrap();
@@ -376,7 +376,7 @@ impl<T: Read + Write> Client<T> {
     ///     }
     /// }
     ///
-    /// # {} #[cfg(feature = "tls")]
+    /// # {} #[cfg(feature = "native-tls")]
     /// fn main() {
     ///     let auth = OAuth2 {
     ///         user: String::from("me@example.com"),

src/client_builder.rs

@@ -2,7 +2,7 @@ use crate::{Client, Result};
 use std::io::{Read, Write};
 use std::net::TcpStream;
 
-#[cfg(feature = "tls")]
+#[cfg(feature = "native-tls")]
 use native_tls::{TlsConnector, TlsStream};
 #[cfg(feature = "rustls-tls")]
 use rustls_connector::{RustlsConnector, TlsStream as RustlsStream};
@@ -12,7 +12,7 @@ use rustls_connector::{RustlsConnector, TlsStream as RustlsStream};
 /// Creating a [`Client`] using `native-tls` transport is straightforward:
 /// ```no_run
 /// # use imap::ClientBuilder;
-/// # {} #[cfg(feature = "tls")]
+/// # {} #[cfg(feature = "native-tls")]
 /// # fn main() -> Result<(), imap::Error> {
 /// let client = ClientBuilder::new("imap.example.com", 993).native_tls()?;
 /// # Ok(())
@@ -66,15 +66,15 @@ where
     }
 
     /// Use [`STARTTLS`](https://tools.ietf.org/html/rfc2595) for this connection.
-    #[cfg(any(feature = "tls", feature = "rustls-tls"))]
+    #[cfg(any(feature = "native-tls", feature = "rustls-tls"))]
     pub fn starttls(&mut self) -> &mut Self {
         self.starttls = true;
         self
     }
 
     /// Return a new [`Client`] using a `native-tls` transport.
-    #[cfg(feature = "tls")]
+    #[cfg(feature = "native-tls")]
-    #[cfg_attr(docsrs, doc(cfg(feature = "tls")))]
+    #[cfg_attr(docsrs, doc(cfg(feature = "native-tls")))]
     pub fn native_tls(&mut self) -> Result<Client<TlsStream<TcpStream>>> {
         self.connect(|domain, tcp| {
             let ssl_conn = TlsConnector::builder().build()?;

src/error.rs

@@ -10,9 +10,9 @@ use std::str::Utf8Error;
 use base64::DecodeError;
 use bufstream::IntoInnerError as BufError;
 use imap_proto::{types::ResponseCode, Response};
-#[cfg(feature = "tls")]
+#[cfg(feature = "native-tls")]
 use native_tls::Error as TlsError;
-#[cfg(feature = "tls")]
+#[cfg(feature = "native-tls")]
 use native_tls::HandshakeError as TlsHandshakeError;
 #[cfg(feature = "rustls-tls")]
 use rustls_connector::HandshakeError as RustlsHandshakeError;
@@ -62,10 +62,10 @@ pub enum Error {
     #[cfg(feature = "rustls-tls")]
     RustlsHandshake(RustlsHandshakeError<TcpStream>),
     /// An error from the `native_tls` library during the TLS handshake.
-    #[cfg(feature = "tls")]
+    #[cfg(feature = "native-tls")]
     TlsHandshake(TlsHandshakeError<TcpStream>),
     /// An error from the `native_tls` library while managing the socket.
-    #[cfg(feature = "tls")]
+    #[cfg(feature = "native-tls")]
     Tls(TlsError),
     /// A BAD response from the IMAP server.
     Bad(Bad),
@@ -114,14 +114,14 @@ impl From<RustlsHandshakeError<TcpStream>> for Error {
     }
 }
 
-#[cfg(feature = "tls")]
+#[cfg(feature = "native-tls")]
 impl From<TlsHandshakeError<TcpStream>> for Error {
     fn from(err: TlsHandshakeError<TcpStream>) -> Error {
         Error::TlsHandshake(err)
     }
 }
 
-#[cfg(feature = "tls")]
+#[cfg(feature = "native-tls")]
 impl From<TlsError> for Error {
     fn from(err: TlsError) -> Error {
         Error::Tls(err)
@@ -140,9 +140,9 @@ impl fmt::Display for Error {
             Error::Io(ref e) => fmt::Display::fmt(e, f),
             #[cfg(feature = "rustls-tls")]
             Error::RustlsHandshake(ref e) => fmt::Display::fmt(e, f),
-            #[cfg(feature = "tls")]
+            #[cfg(feature = "native-tls")]
             Error::Tls(ref e) => fmt::Display::fmt(e, f),
-            #[cfg(feature = "tls")]
+            #[cfg(feature = "native-tls")]
             Error::TlsHandshake(ref e) => fmt::Display::fmt(e, f),
             Error::Validate(ref e) => fmt::Display::fmt(e, f),
             Error::Parse(ref e) => fmt::Display::fmt(e, f),
@@ -163,9 +163,9 @@ impl StdError for Error {
             Error::Io(ref e) => e.description(),
             #[cfg(feature = "rustls-tls")]
             Error::RustlsHandshake(ref e) => e.description(),
-            #[cfg(feature = "tls")]
+            #[cfg(feature = "native-tls")]
             Error::Tls(ref e) => e.description(),
-            #[cfg(feature = "tls")]
+            #[cfg(feature = "native-tls")]
             Error::TlsHandshake(ref e) => e.description(),
             Error::Parse(ref e) => e.description(),
             Error::Validate(ref e) => e.description(),
@@ -183,9 +183,9 @@ impl StdError for Error {
             Error::Io(ref e) => Some(e),
             #[cfg(feature = "rustls-tls")]
             Error::RustlsHandshake(ref e) => Some(e),
-            #[cfg(feature = "tls")]
+            #[cfg(feature = "native-tls")]
             Error::Tls(ref e) => Some(e),
-            #[cfg(feature = "tls")]
+            #[cfg(feature = "native-tls")]
             Error::TlsHandshake(ref e) => Some(e),
             Error::Parse(ParseError::DataNotUtf8(_, ref e)) => Some(e),
             _ => None,

src/extensions/idle.rs

@@ -5,7 +5,7 @@ use crate::client::Session;
 use crate::error::{Error, Result};
 use crate::parse::parse_idle;
 use crate::types::UnsolicitedResponse;
-#[cfg(feature = "tls")]
+#[cfg(feature = "native-tls")]
 use native_tls::TlsStream;
 #[cfg(feature = "rustls-tls")]
 use rustls_connector::TlsStream as RustlsStream;
@@ -28,7 +28,7 @@ use std::time::Duration;
 ///
 /// ```no_run
 /// use imap::extensions::idle;
-/// # #[cfg(feature = "tls")]
+/// # #[cfg(feature = "native-tls")]
 /// # {
 /// let client = imap::ClientBuilder::new("example.com", 993).native_tls()
 ///     .expect("Could not connect to imap server");
@@ -281,7 +281,7 @@ impl<'a> SetReadTimeout for TcpStream {
     }
 }
 
-#[cfg(feature = "tls")]
+#[cfg(feature = "native-tls")]
 impl<'a> SetReadTimeout for TlsStream<TcpStream> {
     fn set_read_timeout(&mut self, timeout: Option<Duration>) -> Result<()> {
         self.get_ref().set_read_timeout(timeout).map_err(Error::Io)

src/lib.rs

@@ -21,7 +21,7 @@
 //! Below is a basic client example. See the `examples/` directory for more.
 //!
 //! ```no_run
-//! # #[cfg(feature = "tls")]
+//! # #[cfg(feature = "native-tls")]
 //! fn fetch_inbox_top() -> imap::error::Result<Option<String>> {
 //!
 //!     let client = imap::ClientBuilder::new("imap.example.com", 993).native_tls()?;

src/types/deleted.rs

@@ -18,7 +18,7 @@ use std::ops::RangeInclusive;
 ///
 /// # Examples
 /// ```no_run
-/// # {} #[cfg(feature = "tls")]
+/// # {} #[cfg(feature = "native-tls")]
 /// # fn main() {
 /// # let client = imap::ClientBuilder::new("imap.example.com", 993)
 ///     .native_tls().unwrap();

tests/imap_integration.rs

@@ -456,7 +456,9 @@ fn status() {
 
     // Test all valid fields except HIGHESTMODSEQ, which apparently
     // isn't supported by the IMAP server used for this test.
-    let mb = s.status("INBOX", "(MESSAGES RECENT UIDNEXT UIDVALIDITY UNSEEN)").unwrap();
+    let mb = s
+        .status("INBOX", "(MESSAGES RECENT UIDNEXT UIDVALIDITY UNSEEN)")
+        .unwrap();
     assert_eq!(mb.flags, Vec::new());
     assert_eq!(mb.exists, 0);
     assert_eq!(mb.recent, 0);