Add iOS build.

Cargo.toml

@@ -9,8 +9,7 @@ exclude = ["*.cfg", "*.yml"]
 edition = "2018"
 
 [lib]
-name = "tts"
-crate-type = ["staticlib", "cdylib"]
+crate-type = ["lib", "staticlib"]
 
 [dependencies]
 log = "0.4"
@@ -27,7 +26,7 @@ tts_winrt_bindings = { version = "0.1", path="winrt_bindings" }
 [target.'cfg(target_os = "linux")'.dependencies]
 speech-dispatcher = "0.4"
 
-[target.'cfg(target_os = "macos")'.dependencies]
+[target.'cfg(any(target_os = "macos", target_os = "ios"))'.dependencies]
 cocoa-foundation = "0.1"
 libc = "0.2"
 objc = "0.2"

src/backends/av_foundation.rs

@@ -1,4 +1,4 @@
-#[cfg(target_os = "macos")]
+#[cfg(any(target_os = "macos", target_os = "ios"))]
 #[link(name = "AVFoundation", kind = "framework")]
 use cocoa_foundation::base::{id, nil};
 use cocoa_foundation::foundation::NSString;
@@ -132,7 +132,7 @@ impl Backend for AvFoundation {
 
     fn is_speaking(&self) -> Result<bool, Error> {
         let is_speaking: i8 = unsafe { msg_send![self.synth, isSpeaking] };
-        Ok(is_speaking == YES)
+        Ok(is_speaking == 1)
     }
 }
 

src/backends/mod.rs

@@ -13,7 +13,7 @@ mod web;
 #[cfg(target_os = "macos")]
 mod appkit;
 
-#[cfg(target_os = "macos")]
+#[cfg(any(target_os = "macos", target_os = "ios"))]
 mod av_foundation;
 
 #[cfg(target_os = "linux")]
@@ -28,5 +28,5 @@ pub use self::web::*;
 #[cfg(target_os = "macos")]
 pub use self::appkit::*;
 
-#[cfg(target_os = "macos")]
+#[cfg(any(target_os = "macos", target_os = "ios"))]
 pub use self::av_foundation::*;

src/lib.rs

@@ -11,8 +11,9 @@
  * * WebAssembly
  */
 
+use std::boxed::Box;
 #[cfg(target_os = "macos")]
-use std::{boxed::Box, ffi::CStr};
+use std::ffi::CStr;
 
 #[cfg(target_os = "macos")]
 use cocoa_foundation::base::id;
@@ -35,7 +36,7 @@ pub enum Backends {
     WinRT,
     #[cfg(target_os = "macos")]
     AppKit,
-    #[cfg(target_os = "macos")]
+    #[cfg(any(target_os = "macos", target_os = "ios"))]
     AvFoundation,
 }
 
@@ -122,7 +123,7 @@ impl TTS {
             }
             #[cfg(target_os = "macos")]
             Backends::AppKit => Ok(TTS(Box::new(backends::AppKit::new()))),
-            #[cfg(target_os = "macos")]
+            #[cfg(any(target_os = "macos", target_os = "ios"))]
             Backends::AvFoundation => Ok(TTS(Box::new(backends::AvFoundation::new()))),
         }
     }
@@ -156,6 +157,8 @@ impl TTS {
                 TTS::new(Backends::AppKit)
             }
         };
+        #[cfg(target_os = "ios")]
+        let tts = TTS::new(Backends::AvFoundation);
         tts
     }