Simplify _obj_toString by using JS_NewStringCopyN.

This commit is contained in:
Ms2ger 2014-12-20 16:40:20 +01:00
parent 8a4eea0032
commit ef3901fceb
2 changed files with 11 additions and 24 deletions

View file

@ -6,8 +6,8 @@
use dom::bindings::conversions::is_dom_proxy;
use dom::bindings::utils::delete_property_by_id;
use js::jsapi::{JSContext, jsid, JSPropertyDescriptor, JSObject, JSString, jschar};
use js::jsapi::{JS_GetPropertyDescriptorById, JS_NewUCString, JS_malloc, JS_free};
use js::jsapi::{JSContext, jsid, JSPropertyDescriptor, JSObject, JSString};
use js::jsapi::{JS_GetPropertyDescriptorById, JS_NewStringCopyN};
use js::jsapi::{JS_DefinePropertyById, JS_NewObjectWithGivenProto};
use js::jsapi::{JS_ReportErrorFlagsAndNumber, JS_StrictPropertyStub};
use js::jsapi::{JSREPORT_WARNING, JSREPORT_STRICT, JSREPORT_STRICT_MODE_ERROR};
@ -21,8 +21,6 @@ use js::{JSPROP_GETTER, JSPROP_ENUMERATE, JSPROP_READONLY, JSRESOLVE_QUALIFIED};
use libc;
use std::mem;
use std::ptr;
use std::string;
use std::mem::size_of;
static JSPROXYSLOT_EXPANDO: u32 = 0;
@ -82,26 +80,16 @@ pub unsafe extern fn delete_(cx: *mut JSContext, proxy: *mut JSObject, id: jsid,
return delete_property_by_id(cx, expando, id, &mut *bp);
}
pub fn _obj_toString(cx: *mut JSContext, className: *const libc::c_char) -> *mut JSString {
pub fn _obj_toString(cx: *mut JSContext, name: &str) -> *mut JSString {
unsafe {
let name = string::raw::from_buf(className as *const i8 as *const u8);
let nchars = "[object ]".len() + name.len();
let chars: *mut jschar = JS_malloc(cx, (nchars + 1) as libc::size_t * (size_of::<jschar>() as libc::size_t)) as *mut jschar;
if chars.is_null() {
return ptr::null_mut();
}
let result = format!("[object {}]", name);
let result = result.as_slice();
for (i, c) in result.chars().enumerate() {
*chars.offset(i as int) = c as jschar;
}
*chars.offset(nchars as int) = 0;
let jsstr = JS_NewUCString(cx, chars, nchars as libc::size_t);
if jsstr.is_null() {
JS_free(cx, chars as *mut libc::c_void);
}
jsstr
let chars = result.as_ptr() as *const libc::c_char;
let length = result.len() as libc::size_t;
let string = JS_NewStringCopyN(cx, chars, length);
assert!(string.is_not_null());
return string;
}
}