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Add binding functions for length and item getter of DeclarationBlock

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This commit is contained in:
Xidorn Quan 2016-11-03 14:46:09 +11:00
parent 0b0ff2b152
commit 1af2edf190
3 changed files with 38 additions and 2 deletions
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20
ports/geckolib/glue.rs
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@ -7,6 +7,7 @@ use cssparser::{Parser, ToCss};
use env_logger;
use euclid::Size2D;
use parking_lot::RwLock;
use std::fmt::Write;
use std::mem::transmute;
use std::sync::{Arc, Mutex};
use style::arc_ptr_eq;
@ -474,6 +475,25 @@ pub extern "C" fn Servo_DeclarationBlock_SerializeOneValue(
}
}
#[no_mangle]
pub extern "C" fn Servo_DeclarationBlock_Count(declarations: RawServoDeclarationBlockBorrowed) -> u32 {
let declarations = RwLock::<PropertyDeclarationBlock>::as_arc(&declarations);
declarations.read().declarations.len() as u32
}
#[no_mangle]
pub extern "C" fn Servo_DeclarationBlock_GetNthProperty(declarations: RawServoDeclarationBlockBorrowed,
index: u32, result: *mut nsAString) -> bool {
let declarations = RwLock::<PropertyDeclarationBlock>::as_arc(&declarations);
if let Some(&(ref decl, _)) = declarations.read().declarations.get(index as usize) {
let result = unsafe { result.as_mut().unwrap() };
write!(result, "{}", decl.name()).unwrap();
true
} else {
false
}
}
#[no_mangle]
pub extern "C" fn Servo_CSSSupports(property: *const nsACString, value: *const nsACString) -> bool {
let property = unsafe { property.as_ref().unwrap().as_str_unchecked() };