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Simplify rust-selectors API for attribute selectors

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This commit is contained in:
Simon Sapin 2017-05-17 19:41:21 +02:00
parent 2ca2c2d2be
commit 83c7824fda
15 changed files with 447 additions and 480 deletions
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137
components/style/gecko/snapshot.rs
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@ -8,14 +8,15 @@
use dom::TElement;
use element_state::ElementState;
use gecko::snapshot_helpers;
use gecko::wrapper::{AttrSelectorHelpers, GeckoElement};
use gecko::wrapper::{NamespaceConstraintHelpers, GeckoElement};
use gecko_bindings::bindings;
use gecko_bindings::structs::ServoElementSnapshot;
use gecko_bindings::structs::ServoElementSnapshotFlags as Flags;
use gecko_bindings::structs::ServoElementSnapshotTable;
use restyle_hints::ElementSnapshot;
use selector_parser::SelectorImpl;
use selectors::parser::AttrSelector;
use selectors::attr::{AttrSelectorOperation, AttrSelectorOperator, CaseSensitivity};
use selectors::parser::NamespaceConstraint;
use string_cache::Atom;
/// A snapshot of a Gecko element.
@ -47,11 +48,6 @@ impl SnapshotMap {
}
impl GeckoElementSnapshot {
#[inline]
fn is_html_element_in_html_document(&self) -> bool {
self.mIsHTMLElementInHTMLDocument
}
#[inline]
fn has_any(&self, flags: Flags) -> bool {
(self.mContains as u8 & flags as u8) != 0
@ -60,76 +56,67 @@ impl GeckoElementSnapshot {
fn as_ptr(&self) -> *const Self {
self
}
}
impl ::selectors::MatchAttr for GeckoElementSnapshot {
type Impl = SelectorImpl;
fn match_attr_has(&self, attr: &AttrSelector<SelectorImpl>) -> bool {
/// selectors::Element::attr_matches
pub fn attr_matches(&self,
ns: &NamespaceConstraint<SelectorImpl>,
local_name: &Atom,
operation: &AttrSelectorOperation<SelectorImpl>)
-> bool {
unsafe {
bindings::Gecko_SnapshotHasAttr(self,
attr.ns_or_null(),
attr.select_name(self.is_html_element_in_html_document()))
}
}
fn match_attr_equals(&self, attr: &AttrSelector<SelectorImpl>, value: &Atom) -> bool {
unsafe {
bindings::Gecko_SnapshotAttrEquals(self,
attr.ns_or_null(),
attr.select_name(self.is_html_element_in_html_document()),
value.as_ptr(),
/* ignoreCase = */ false)
}
}
fn match_attr_equals_ignore_ascii_case(&self, attr: &AttrSelector<SelectorImpl>, value: &Atom) -> bool {
unsafe {
bindings::Gecko_SnapshotAttrEquals(self,
attr.ns_or_null(),
attr.select_name(self.is_html_element_in_html_document()),
value.as_ptr(),
/* ignoreCase = */ true)
}
}
fn match_attr_includes(&self, attr: &AttrSelector<SelectorImpl>, value: &Atom) -> bool {
unsafe {
bindings::Gecko_SnapshotAttrIncludes(self,
attr.ns_or_null(),
attr.select_name(self.is_html_element_in_html_document()),
value.as_ptr())
}
}
fn match_attr_dash(&self, attr: &AttrSelector<SelectorImpl>, value: &Atom) -> bool {
unsafe {
bindings::Gecko_SnapshotAttrDashEquals(self,
attr.ns_or_null(),
attr.select_name(self.is_html_element_in_html_document()),
value.as_ptr())
}
}
fn match_attr_prefix(&self, attr: &AttrSelector<SelectorImpl>, value: &Atom) -> bool {
unsafe {
bindings::Gecko_SnapshotAttrHasPrefix(self,
attr.ns_or_null(),
attr.select_name(self.is_html_element_in_html_document()),
value.as_ptr())
}
}
fn match_attr_substring(&self, attr: &AttrSelector<SelectorImpl>, value: &Atom) -> bool {
unsafe {
bindings::Gecko_SnapshotAttrHasSubstring(self,
attr.ns_or_null(),
attr.select_name(self.is_html_element_in_html_document()),
value.as_ptr())
}
}
fn match_attr_suffix(&self, attr: &AttrSelector<SelectorImpl>, value: &Atom) -> bool {
unsafe {
bindings::Gecko_SnapshotAttrHasSuffix(self,
attr.ns_or_null(),
attr.select_name(self.is_html_element_in_html_document()),
value.as_ptr())
match *operation {
AttrSelectorOperation::Exists => {
bindings:: Gecko_SnapshotHasAttr(self,
ns.atom_or_null(),
local_name.as_ptr())
}
AttrSelectorOperation::WithValue { operator, case_sensitivity, expected_value } => {
let ignore_case = match case_sensitivity {
CaseSensitivity::CaseSensitive => false,
CaseSensitivity::AsciiCaseInsensitive => true,
};
// FIXME: case sensitivity for operators other than Equal
match operator {
AttrSelectorOperator::Equal => bindings::Gecko_SnapshotAttrEquals(
self,
ns.atom_or_null(),
local_name.as_ptr(),
expected_value.as_ptr(),
ignore_case
),
AttrSelectorOperator::Includes => bindings::Gecko_SnapshotAttrIncludes(
self,
ns.atom_or_null(),
local_name.as_ptr(),
expected_value.as_ptr(),
),
AttrSelectorOperator::DashMatch => bindings::Gecko_SnapshotAttrDashEquals(
self,
ns.atom_or_null(),
local_name.as_ptr(),
expected_value.as_ptr(),
),
AttrSelectorOperator::Prefix => bindings::Gecko_SnapshotAttrHasPrefix(
self,
ns.atom_or_null(),
local_name.as_ptr(),
expected_value.as_ptr(),
),
AttrSelectorOperator::Suffix => bindings::Gecko_SnapshotAttrHasSuffix(
self,
ns.atom_or_null(),
local_name.as_ptr(),
expected_value.as_ptr(),
),
AttrSelectorOperator::Substring => bindings::Gecko_SnapshotAttrHasSubstring(
self,
ns.atom_or_null(),
local_name.as_ptr(),
expected_value.as_ptr(),
),
}
}
}
}
}
}