From e6b01e84d469fe7d17193e0a03b559a38cc175ee Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Sat, 20 Oct 2018 18:56:39 +0200
Subject: Add an FFI function to get a `Config` or read if from `config.toml`

Enables us to get a `Config` struct from the config file in the
Objective-C app, which will then be passed to the `parse_args()`
function to be further filled in.
---
 dome_key_map.h      |  2 ++
 src/cocoa_bridge.rs | 12 ++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/dome_key_map.h b/dome_key_map.h
index 224cc21..b61133d 100644
--- a/dome_key_map.h
+++ b/dome_key_map.h
@@ -42,6 +42,8 @@ void c_run_key_action(State *state, Trigger trigger, const Trigger *mode);
 
 void config_free(Config *ptr);
 
+Config *config_read_from_file(void);
+
 extern void dkess_press_key(int16_t key, CGEventFlags modifier_flags);
 
 void logger_init(void);
diff --git a/src/cocoa_bridge.rs b/src/cocoa_bridge.rs
index ba7b432..1dbd187 100644
--- a/src/cocoa_bridge.rs
+++ b/src/cocoa_bridge.rs
@@ -331,6 +331,18 @@ pub extern "C" fn c_parse_args(
     config_ptr
 }
 
+#[no_mangle]
+pub extern "C" fn config_read_from_file() -> *mut Config {
+    match config::get_config() {
+        Ok(config) => Box::into_raw(Box::new(config)),
+        Err(e) => {
+            error!("{}", e);
+
+            ptr::null_mut()
+        },
+    }
+}
+
 #[no_mangle]
 pub extern "C" fn config_free(ptr: *mut Config) {
     if ptr.is_null() { return }
-- 
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