1 files changed, 177 insertions, 0 deletions
diff --git a/src/components/embedding/string.rs b/src/components/embedding/string.rs
new file mode 100644
index 00000000000..860b5d71651
--- /dev/null
+++ b/src/components/embedding/string.rs
@@ -0,0 +1,177 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+use eutil::fptr_is_null;
+use libc::{size_t, c_int, c_ushort,c_void};
+use libc::types::os::arch::c95::wchar_t;
+use mem::{new0,newarray0,delete,deletearray};
+use std::cast::transmute;
+use std::ptr;
+use types::{cef_string_utf16_t, cef_string_utf8_t, cef_string_wide_t};
+use types::{cef_string_userfree_utf16_t, cef_string_userfree_utf8_t, cef_string_userfree_wide_t};
+
+//cef_string
+
+#[no_mangle]
+extern "C" fn string_wide_dtor(str: *mut wchar_t) {
+  deletearray(str as *mut c_void)
+}
+
+#[no_mangle]
+extern "C" fn string_utf8_dtor(str: *mut u8) {
+  deletearray(str as *mut c_void)
+}
+
+#[no_mangle]
+extern "C" fn string_utf16_dtor(str: *mut c_ushort) {
+  deletearray(str as *mut c_void)
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_userfree_wide_free(cs: *mut cef_string_userfree_wide_t) {
+   cef_string_wide_clear(cs);
+   delete(cs as *mut c_void)
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_userfree_utf8_free(cs: *mut cef_string_userfree_utf8_t) {
+   cef_string_utf8_clear(cs);
+   delete(cs as *mut c_void)
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_userfree_utf16_free(cs: *mut cef_string_userfree_utf16_t) {
+   cef_string_utf16_clear(cs);
+   delete(cs as *mut c_void)
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_utf8_clear(cs: *mut cef_string_utf8_t) {
+    unsafe {
+        if !fptr_is_null(transmute((*cs).dtor)) {
+            let dtor = (*cs).dtor;
+            dtor((*cs).str);
+        }
+        (*cs).length = 0;
+        (*cs).str = 0 as *mut u8;
+        (*cs).dtor = transmute(0 as *u8);
+    }
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_userfree_utf8_alloc() -> *mut cef_string_utf8_t {
+    #![inline(never)]
+    new0::<cef_string_utf8_t>(1)
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_utf8_set(src: *u8, src_len: size_t, output: *mut cef_string_utf8_t, copy: c_int) -> c_int {
+    cef_string_utf8_clear(output);
+    unsafe {
+       if copy != 0 {
+           if !src.is_null() && src_len > 0 {
+             (*output).str = newarray0::<u8>(src_len + 1);
+             if (*output).str.is_null() {
+                 return 0;
+             }
+
+             ptr::copy_memory((*output).str, src, src_len as uint);
+             (*output).length = src_len;
+             (*output).dtor = string_utf8_dtor;
+           }
+       } else {
+         (*output).str = transmute(src);
+         (*output).length = src_len;
+         (*output).dtor = transmute(0 as *u8);
+       }
+    }
+    return 1;
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_utf16_clear(cs: *mut cef_string_utf16_t) {
+    unsafe {
+        if !fptr_is_null(transmute((*cs).dtor)) {
+            let dtor = (*cs).dtor;
+            dtor((*cs).str);
+        }
+        (*cs).length = 0;
+        (*cs).str = 0 as *mut c_ushort;
+        (*cs).dtor = transmute(0 as *u8);
+    }
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_userfree_utf16_alloc() -> *mut cef_string_utf16_t {
+    #![inline(never)]
+    new0::<cef_string_utf16_t>(1)
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_utf16_set(src: *c_ushort, src_len: size_t, output: *mut cef_string_utf16_t, copy: c_int) -> c_int {
+    cef_string_utf16_clear(output);
+    unsafe {
+       if copy != 0 {
+           if !src.is_null() && src_len > 0 {
+             (*output).str = newarray0::<c_ushort>(src_len + 1);
+             if (*output).str.is_null() {
+                 return 0;
+             }
+
+             ptr::copy_memory((*output).str, src, src_len as uint);
+             (*output).length = src_len;
+             (*output).dtor = string_utf16_dtor;
+           }
+       } else {
+         (*output).str = transmute(src);
+         (*output).length = src_len;
+         (*output).dtor = transmute(0 as *u8);
+       }
+    }
+    return 1;
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_wide_clear(cs: *mut cef_string_wide_t) {
+    unsafe {
+        if !fptr_is_null(transmute((*cs).dtor)) {
+            let dtor = (*cs).dtor;
+            dtor((*cs).str);
+        }
+        (*cs).length = 0;
+        (*cs).str = 0 as *mut wchar_t;
+        (*cs).dtor = transmute(0 as *u8);
+    }
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_userfree_wide_alloc() -> *mut cef_string_wide_t {
+    #![inline(never)]
+    new0::<cef_string_wide_t>(1)
+}
+
+#[no_mangle]
+pub extern "C" fn cef_string_wide_set(src: *wchar_t, src_len: size_t, output: *mut cef_string_wide_t, copy: c_int) -> c_int {
+    cef_string_wide_clear(output);
+    unsafe {
+       if copy != 0 {
+           if !src.is_null() && src_len > 0 {
+             (*output).str = newarray0::<wchar_t>(src_len + 1);
+             if (*output).str.is_null() {
+                 return 0;
+             }
+
+             ptr::copy_memory((*output).str, src, src_len as uint);
+             (*output).length = src_len;
+             (*output).dtor = string_wide_dtor;
+           }
+       } else {
+         (*output).str = transmute(src);
+         (*output).length = src_len;
+         (*output).dtor = transmute(0 as *u8);
+       }
+    }
+    return 1;
+}