Skip to content

Commit

Permalink
Unify common code for implementing a rule type.
Browse files Browse the repository at this point in the history
  • Loading branch information
@upsuper
upsuper committed Mar 15, 2017
1 parent de42121 commit f5e24fc
Showing 1 changed file with 45 additions and 50 deletions.
95 changes: 45 additions & 50 deletions ports/geckolib/glue.rs
View file
Expand Up @@ -33,8 +33,8 @@ use style::gecko_bindings::bindings;
use style::gecko_bindings::bindings::{RawGeckoKeyframeListBorrowed, RawGeckoKeyframeListBorrowedMut};
use style::gecko_bindings::bindings::{RawServoDeclarationBlockBorrowed, RawServoDeclarationBlockStrong};
use style::gecko_bindings::bindings::{RawServoMediaListBorrowed, RawServoMediaListStrong};
use style::gecko_bindings::bindings::{RawServoMediaRuleBorrowed, RawServoMediaRuleStrong};
use style::gecko_bindings::bindings::{RawServoStyleRuleBorrowed, RawServoStyleRuleStrong};
use style::gecko_bindings::bindings::{RawServoMediaRule, RawServoMediaRuleBorrowed};
use style::gecko_bindings::bindings::{RawServoStyleRule, RawServoStyleRuleBorrowed};
use style::gecko_bindings::bindings::{RawServoStyleSetBorrowed, RawServoStyleSetOwned};
use style::gecko_bindings::bindings::{RawServoStyleSheetBorrowed, ServoComputedValuesBorrowed};
use style::gecko_bindings::bindings::{RawServoStyleSheetStrong, ServoComputedValuesStrong};
Expand Down Expand Up @@ -510,30 +510,6 @@ pub extern "C" fn Servo_CssRules_ListTypes(rules: ServoCssRulesBorrowed,
result.iter_mut().zip(iter).fold((), |_, (r, v)| *r = v);
}

#[no_mangle]
pub extern "C" fn Servo_CssRules_GetStyleRuleAt(rules: ServoCssRulesBorrowed, index: u32)
-> RawServoStyleRuleStrong {
let rules = RwLock::<CssRules>::as_arc(&rules).read();
match rules.0[index as usize] {
CssRule::Style(ref rule) => rule.clone().into_strong(),
_ => {
unreachable!("GetStyleRuleAt should only be called on a style rule");
}
}
}

#[no_mangle]
pub extern "C" fn Servo_CssRules_GetMediaRuleAt(rules: ServoCssRulesBorrowed, index: u32)
-> RawServoMediaRuleStrong {
let rules = RwLock::<CssRules>::as_arc(&rules).read();
match rules.0[index as usize] {
CssRule::Media(ref rule) => rule.clone().into_strong(),
_ => {
unreachable!("GetMediaRuleAt should only be called on a media rule");
}
}
}

#[no_mangle]
pub extern "C" fn Servo_CssRules_InsertRule(rules: ServoCssRulesBorrowed, sheet: RawServoStyleSheetBorrowed,
rule: *const nsACString, index: u32, nested: bool,
Expand All @@ -559,11 +535,49 @@ pub extern "C" fn Servo_CssRules_DeleteRule(rules: ServoCssRulesBorrowed, index:
}
}

#[no_mangle]
pub extern "C" fn Servo_StyleRule_Debug(rule: RawServoStyleRuleBorrowed, result: *mut nsACString) {
let rule = RwLock::<StyleRule>::as_arc(&rule);
let result = unsafe { result.as_mut().unwrap() };
write!(result, "{:?}", *rule.read()).unwrap();
macro_rules! impl_basic_rule_funcs {
{ ($name:ident, $rule_type:ty, $raw_type:ty),
getter: $getter:ident,
debug: $debug:ident,
to_css: $to_css:ident,
} => {
#[no_mangle]
pub extern "C" fn $getter(rules: ServoCssRulesBorrowed, index: u32) -> Strong<$raw_type> {
let rules = RwLock::<CssRules>::as_arc(&rules).read();
match rules.0[index as usize] {
CssRule::$name(ref rule) => rule.clone().into_strong(),
_ => {
unreachable!(concat!(stringify!($getter), "should only be called ",
"on a ", stringify!($name), " rule"));
}
}
}

#[no_mangle]
pub extern "C" fn $debug(rule: &$raw_type, result: *mut nsACString) {
let rule = RwLock::<$rule_type>::as_arc(&rule);
let result = unsafe { result.as_mut().unwrap() };
write!(result, "{:?}", *rule.read()).unwrap();
}

#[no_mangle]
pub extern "C" fn $to_css(rule: &$raw_type, result: *mut nsAString) {
let rule = RwLock::<$rule_type>::as_arc(&rule);
rule.read().to_css(unsafe { result.as_mut().unwrap() }).unwrap();
}
}
}

impl_basic_rule_funcs! { (Style, StyleRule, RawServoStyleRule),
getter: Servo_CssRules_GetStyleRuleAt,
debug: Servo_StyleRule_Debug,
to_css: Servo_StyleRule_GetCssText,
}

impl_basic_rule_funcs! { (Media, MediaRule, RawServoMediaRule),
getter: Servo_CssRules_GetMediaRuleAt,
debug: Servo_MediaRule_Debug,
to_css: Servo_MediaRule_GetCssText,
}

#[no_mangle]
Expand All @@ -580,25 +594,12 @@ pub extern "C" fn Servo_StyleRule_SetStyle(rule: RawServoStyleRuleBorrowed,
rule.write().block = declarations.clone();
}

#[no_mangle]
pub extern "C" fn Servo_StyleRule_GetCssText(rule: RawServoStyleRuleBorrowed, result: *mut nsAString) {
let rule = RwLock::<StyleRule>::as_arc(&rule);
rule.read().to_css(unsafe { result.as_mut().unwrap() }).unwrap();
}

#[no_mangle]
pub extern "C" fn Servo_StyleRule_GetSelectorText(rule: RawServoStyleRuleBorrowed, result: *mut nsAString) {
let rule = RwLock::<StyleRule>::as_arc(&rule);
rule.read().selectors.to_css(unsafe { result.as_mut().unwrap() }).unwrap();
}

#[no_mangle]
pub extern "C" fn Servo_MediaRule_Debug(rule: RawServoMediaRuleBorrowed, result: *mut nsACString) {
let rule = RwLock::<MediaRule>::as_arc(&rule);
let result = unsafe { result.as_mut().unwrap() };
write!(result, "{:?}", *rule.read()).unwrap();
}

#[no_mangle]
pub extern "C" fn Servo_MediaRule_GetMedia(rule: RawServoMediaRuleBorrowed) -> RawServoMediaListStrong {
let rule = RwLock::<MediaRule>::as_arc(&rule);
Expand All @@ -611,12 +612,6 @@ pub extern "C" fn Servo_MediaRule_GetRules(rule: RawServoMediaRuleBorrowed) -> S
rule.read().rules.clone().into_strong()
}

#[no_mangle]
pub extern "C" fn Servo_MediaRule_GetCssText(rule: RawServoMediaRuleBorrowed, result: *mut nsAString) {
let rule = RwLock::<MediaRule>::as_arc(&rule);
rule.read().to_css(unsafe { result.as_mut().unwrap() }).unwrap();
}

#[no_mangle]
pub extern "C" fn Servo_ComputedValues_GetForAnonymousBox(parent_style_or_null: ServoComputedValuesBorrowedOrNull,
pseudo_tag: *mut nsIAtom,
Expand Down

0 comments on commit f5e24fc

Please sign in to comment.