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#![cfg_attr(feature = "dox", feature(doc_cfg))]
use ffi::*;
use glib::translate::*;
use std::ptr;
use crate::GlobalContextRef;
pub struct ValueRef {
raw: JSValueRef,
}
impl ValueRef {
pub fn is_boolean(&self, context: &GlobalContextRef) -> bool {
unsafe { JSValueIsBoolean(context.to_glib_none().0, self.raw) != 0 }
}
pub fn is_null(&self, context: &GlobalContextRef) -> bool {
unsafe { JSValueIsNull(context.to_glib_none().0, self.raw) != 0 }
}
pub fn is_undefined(&self, context: &GlobalContextRef) -> bool {
unsafe { JSValueIsUndefined(context.to_glib_none().0, self.raw) != 0 }
}
pub fn is_number(&self, context: &GlobalContextRef) -> bool {
unsafe { JSValueIsNumber(context.to_glib_none().0, self.raw) != 0 }
}
pub fn is_string(&self, context: &GlobalContextRef) -> bool {
unsafe { JSValueIsString(context.to_glib_none().0, self.raw) != 0 }
}
pub fn is_object(&self, context: &GlobalContextRef) -> bool {
unsafe { JSValueIsObject(context.to_glib_none().0, self.raw) != 0 }
}
pub fn is_array(&self, context: &GlobalContextRef) -> bool {
unsafe { JSValueIsArray(context.to_glib_none().0, self.raw) != 0 }
}
pub fn is_date(&self, context: &GlobalContextRef) -> bool {
unsafe { JSValueIsDate(context.to_glib_none().0, self.raw) != 0 }
}
pub fn to_number(&self, context: &GlobalContextRef) -> Option<f64> {
let mut exception = ptr::null_mut();
let result = unsafe { JSValueToNumber(context.to_glib_none().0, self.raw, &mut exception) };
if exception.is_null() {
Some(result)
} else {
None
}
}
pub fn to_boolean(&self, context: &GlobalContextRef) -> bool {
unsafe { JSValueToBoolean(context.to_glib_none().0, self.raw) != 0 }
}
pub fn to_string(&self, context: &GlobalContextRef) -> Option<String> {
unsafe {
let mut exception = ptr::null_mut();
let jsstring = JSValueToStringCopy(context.to_glib_none().0, self.raw, &mut exception);
if exception.is_null() {
let cap = JSStringGetMaximumUTF8CStringSize(jsstring);
let mut buf = Vec::<u8>::with_capacity(cap);
let len = JSStringGetUTF8CString(jsstring, buf.as_mut_ptr() as _, cap);
JSStringRelease(jsstring);
buf.set_len(len - 1);
String::from_utf8(buf).ok()
} else {
None
}
}
}
}
impl FromGlibPtrNone<JSValueRef> for ValueRef {
unsafe fn from_glib_none(ptr: JSValueRef) -> Self {
ValueRef { raw: ptr }
}
}
impl FromGlibPtrFull<JSValueRef> for ValueRef {
unsafe fn from_glib_full(ptr: JSValueRef) -> Self {
ValueRef { raw: ptr }
}
}
impl<'a> ToGlibPtr<'a, JSValueRef> for ValueRef {
type Storage = ();
#[inline]
fn to_glib_none(&self) -> Stash<'a, JSValueRef, ValueRef> {
Stash(self.raw, ())
}
}