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/* 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 dom::bindings::codegen::UnionTypes::StringOrUnsignedLong;
use dom::bindings::error::Error::Syntax;
use dom::bindings::error::Fallible;
use dom::bindings::global::GlobalRef;
use dom::bindings::reflector::Reflector;
use regex::Regex;
use util::str::DOMString;
pub type UUID = DOMString;
// https://webbluetoothcg.github.io/web-bluetooth/#bluetoothuuid
#[dom_struct]
pub struct BluetoothUUID {
reflector_: Reflector,
}
const BLUETOOTH_ASSIGNED_SERVICES: &'static [(&'static str, u32)] = &[
//TODO(zakorgy) create all the services
//https://developer.bluetooth.org/gatt/services/Pages/ServicesHome.aspx
("org.bluetooth.service.alert_notification", 0x1811_u32),
("org.bluetooth.service.automation_io", 0x1815_u32),
("org.bluetooth.service.battery_service", 0x180f_u32)
];
const BLUETOOTH_ASSIGNED_CHARCTERISTICS: &'static [(&'static str, u32)] = &[
//TODO(zakorgy) create all the characteristics
//https://developer.bluetooth.org/gatt/services/Pages/ServicesHome.aspx
("org.bluetooth.characteristic.aerobic_heart_rate_lower_limit", 0x2a7e_u32),
("org.bluetooth.characteristic.aerobic_heart_rate_upper_limit", 0x2a84_u32),
("org.bluetooth.characteristic.battery_level", 0x2a19_u32)
];
const BLUETOOTH_ASSIGNED_DESCRIPTORS: &'static [(&'static str, u32)] = &[
//TODO(zakorgy) create all the descriptors
//https://developer.bluetooth.org/gatt/services/Pages/ServicesHome.aspx
("org.bluetooth.descriptor.gatt.characteristic_extended_properties", 0x2900_u32),
("org.bluetooth.descriptor.gatt.characteristic_user_description", 0x2901_u32)
];
const BASE_UUID: &'static str = "-0000-1000-8000-00805f9b34fb";
const SERVICE_PREFIX: &'static str = "org.bluetooth.service";
const CHARACTERISTIC_PREFIX: &'static str = "org.bluetooth.characteristic";
const DESCRIPTOR_PREFIX: &'static str = "org.bluetooth.descriptor";
const VALID_UUID_REGEX: &'static str = "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}";
impl BluetoothUUID {
// https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothuuid-canonicaluuid
pub fn CanonicalUUID(_: GlobalRef, alias: u32) -> UUID {
DOMString::from(format!("{:08x}", &alias) + BASE_UUID)
}
// https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothuuid-getservice
pub fn GetService(globalref: GlobalRef,
name: StringOrUnsignedLong)
-> Fallible<UUID> {
BluetoothUUID::resolve_uuid_name(globalref,
name,
BLUETOOTH_ASSIGNED_SERVICES,
DOMString::from(SERVICE_PREFIX))
}
// https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothuuid-getcharacteristic
pub fn GetCharacteristic(globalref: GlobalRef,
name: StringOrUnsignedLong)
-> Fallible<UUID> {
BluetoothUUID::resolve_uuid_name(globalref,
name,
BLUETOOTH_ASSIGNED_CHARCTERISTICS,
DOMString::from(CHARACTERISTIC_PREFIX))
}
// https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothuuid-getdescriptor
pub fn GetDescriptor(globalref: GlobalRef,
name: StringOrUnsignedLong)
-> Fallible<UUID> {
BluetoothUUID::resolve_uuid_name(globalref,
name,
BLUETOOTH_ASSIGNED_DESCRIPTORS,
DOMString::from(DESCRIPTOR_PREFIX))
}
// https://webbluetoothcg.github.io/web-bluetooth/#resolveuuidname
pub fn resolve_uuid_name(globalref: GlobalRef,
name: StringOrUnsignedLong,
assigned_numbers_table: &'static [(&'static str, u32)],
prefix: DOMString)
-> Fallible<DOMString> {
match name {
// Step 1
StringOrUnsignedLong::UnsignedLong(unsigned32) =>{
Ok(BluetoothUUID::CanonicalUUID(globalref, unsigned32))
},
StringOrUnsignedLong::String(dstring) => {
// Step 2
let regex = Regex::new(VALID_UUID_REGEX).unwrap();
if regex.is_match(&*dstring) {
Ok(dstring)
} else {
// Step 3
let concatenated = format!("{}.{}", prefix, dstring);
let is_in_table = assigned_numbers_table.iter()
.find(|p| p.0 == concatenated);
match is_in_table {
Some(&(_, alias)) => Ok(BluetoothUUID::CanonicalUUID(globalref, alias)),
None => Err(Syntax),
}
}
},
}
}
}
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