Encoding support

src/encoding.rs

@@ -0,0 +1,13 @@
+use types::{c_int, c_char, Value};
+
+extern "C" {
+    pub fn rb_enc_associate_index(obj: Value, idx: c_int) -> Value;
+    pub fn rb_enc_find_index(name: *const c_char ) -> c_int;
+    pub fn rb_enc_get_index(obj: Value) -> c_int;
+    pub fn rb_enc_set_index(obj: Value, encindex: c_int);
+    pub fn rb_filesystem_encindex() -> c_int;
+    pub fn rb_locale_encindex() -> c_int;
+    pub fn rb_to_encoding_index(obj: Value) -> c_int;
+    pub fn rb_usascii_encindex() -> c_int;
+    pub fn rb_utf8_encindex() -> c_int;
+}

src/lib.rs

@@ -3,6 +3,7 @@ extern crate libc;
 pub mod array;
 pub mod constant;
 pub mod class;
+pub mod encoding;
 pub mod fixnum;
 pub mod gc;
 pub mod float;

src/string.rs

@@ -10,6 +10,9 @@ extern "C" {
     pub fn rb_utf8_str_new(str: *const c_char, len: c_long) -> Value;
     pub fn rb_string_value_cstr(str: *const Value) -> *const c_char;
     pub fn rb_string_value_ptr(str: *const Value) -> *const c_char;
+    pub fn rb_str_ascii_only_p(str: Value) -> bool;
+    pub fn rb_str_export_locale(str: Value) -> Value;
+    pub fn rb_str_valid_encoding_p(str: Value) -> bool;
 }
 
 #[repr(C)]