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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 https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::cell::{DomRefCell, Ref};
use crate::dom::bindings::codegen::Bindings::ValidityStateBinding::ValidityStateMethods;
use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::bindings::str::DOMString;
use crate::dom::element::Element;
use crate::dom::window::Window;
use dom_struct::dom_struct;
use itertools::Itertools;
use std::fmt;
// https://html.spec.whatwg.org/multipage/#validity-states
bitflags! {
pub struct ValidationFlags: u32 {
const VALUE_MISSING = 0b0000000001;
const TYPE_MISMATCH = 0b0000000010;
const PATTERN_MISMATCH = 0b0000000100;
const TOO_LONG = 0b0000001000;
const TOO_SHORT = 0b0000010000;
const RANGE_UNDERFLOW = 0b0000100000;
const RANGE_OVERFLOW = 0b0001000000;
const STEP_MISMATCH = 0b0010000000;
const BAD_INPUT = 0b0100000000;
const CUSTOM_ERROR = 0b1000000000;
}
}
impl fmt::Display for ValidationFlags {
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
let flag_to_message = [
(ValidationFlags::VALUE_MISSING, "Value missing"),
(ValidationFlags::TYPE_MISMATCH, "Type mismatch"),
(ValidationFlags::PATTERN_MISMATCH, "Pattern mismatch"),
(ValidationFlags::TOO_LONG, "Too long"),
(ValidationFlags::TOO_SHORT, "Too short"),
(ValidationFlags::RANGE_UNDERFLOW, "Range underflow"),
(ValidationFlags::RANGE_OVERFLOW, "Range overflow"),
(ValidationFlags::STEP_MISMATCH, "Step mismatch"),
(ValidationFlags::BAD_INPUT, "Bad input"),
(ValidationFlags::CUSTOM_ERROR, "Custom error"),
];
flag_to_message
.iter()
.filter_map(|&(flag, flag_str)| {
if self.contains(flag) {
Some(flag_str)
} else {
None
}
})
.format(", ")
.fmt(formatter)
}
}
// https://html.spec.whatwg.org/multipage/#validitystate
#[dom_struct]
pub struct ValidityState {
reflector_: Reflector,
element: Dom<Element>,
custom_error_message: DomRefCell<DOMString>,
}
impl ValidityState {
fn new_inherited(element: &Element) -> ValidityState {
ValidityState {
reflector_: Reflector::new(),
element: Dom::from_ref(element),
custom_error_message: DomRefCell::new(DOMString::new()),
}
}
pub fn new(window: &Window, element: &Element) -> DomRoot<ValidityState> {
reflect_dom_object(Box::new(ValidityState::new_inherited(element)), window)
}
// https://html.spec.whatwg.org/multipage/#custom-validity-error-message
pub fn custom_error_message(&self) -> Ref<DOMString> {
self.custom_error_message.borrow()
}
// https://html.spec.whatwg.org/multipage/#custom-validity-error-message
pub fn set_custom_error_message(&self, error: DOMString) {
*self.custom_error_message.borrow_mut() = error;
}
}
impl ValidityStateMethods for ValidityState {
// https://html.spec.whatwg.org/multipage/#dom-validitystate-valuemissing
fn ValueMissing(&self) -> bool {
self.element.as_maybe_validatable().map_or(false, |e| {
!e.validate(ValidationFlags::VALUE_MISSING).is_empty()
})
}
// https://html.spec.whatwg.org/multipage/#dom-validitystate-typemismatch
fn TypeMismatch(&self) -> bool {
self.element.as_maybe_validatable().map_or(false, |e| {
!e.validate(ValidationFlags::TYPE_MISMATCH).is_empty()
})
}
// https://html.spec.whatwg.org/multipage/#dom-validitystate-patternmismatch
fn PatternMismatch(&self) -> bool {
self.element.as_maybe_validatable().map_or(false, |e| {
!e.validate(ValidationFlags::PATTERN_MISMATCH).is_empty()
})
}
// https://html.spec.whatwg.org/multipage/#dom-validitystate-toolong
fn TooLong(&self) -> bool {
self.element
.as_maybe_validatable()
.map_or(false, |e| !e.validate(ValidationFlags::TOO_LONG).is_empty())
}
// https://html.spec.whatwg.org/multipage/#dom-validitystate-tooshort
fn TooShort(&self) -> bool {
self.element.as_maybe_validatable().map_or(false, |e| {
!e.validate(ValidationFlags::TOO_SHORT).is_empty()
})
}
// https://html.spec.whatwg.org/multipage/#dom-validitystate-rangeunderflow
fn RangeUnderflow(&self) -> bool {
self.element.as_maybe_validatable().map_or(false, |e| {
!e.validate(ValidationFlags::RANGE_UNDERFLOW).is_empty()
})
}
// https://html.spec.whatwg.org/multipage/#dom-validitystate-rangeoverflow
fn RangeOverflow(&self) -> bool {
self.element.as_maybe_validatable().map_or(false, |e| {
!e.validate(ValidationFlags::RANGE_OVERFLOW).is_empty()
})
}
// https://html.spec.whatwg.org/multipage/#dom-validitystate-stepmismatch
fn StepMismatch(&self) -> bool {
self.element.as_maybe_validatable().map_or(false, |e| {
!e.validate(ValidationFlags::STEP_MISMATCH).is_empty()
})
}
// https://html.spec.whatwg.org/multipage/#dom-validitystate-badinput
fn BadInput(&self) -> bool {
self.element.as_maybe_validatable().map_or(false, |e| {
!e.validate(ValidationFlags::BAD_INPUT).is_empty()
})
}
// https://html.spec.whatwg.org/multipage/#dom-validitystate-customerror
fn CustomError(&self) -> bool {
self.element.as_maybe_validatable().map_or(false, |e| {
!e.validate(ValidationFlags::CUSTOM_ERROR).is_empty()
})
}
// https://html.spec.whatwg.org/multipage/#dom-validitystate-valid
fn Valid(&self) -> bool {
self.element
.as_maybe_validatable()
.map_or(true, |e| e.validate(ValidationFlags::all()).is_empty())
}
}
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