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Add style sheet parsing functions.

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This commit is contained in:
Cameron McCormack 2016-01-13 15:03:41 +11:00 • committed by Bobby Holley
parent b794efee05
commit da079c5b63
2 changed files with 33 additions and 2 deletions
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6
ports/geckolib/bindings.rs
View file

@ -49,6 +49,8 @@ pub enum Struct_RawGeckoDocument { }
pub type RawGeckoDocument = Struct_RawGeckoDocument;
pub enum Struct_ServoNodeData { }
pub type ServoNodeData = Struct_ServoNodeData;
pub enum Struct_ServoArcStyleSheet { }
pub type ServoArcStyleSheet = Struct_ServoArcStyleSheet;
extern "C" {
pub fn Gecko_ElementState(element: *mut RawGeckoElement) -> uint8_t;
pub fn Gecko_GetAttrAsUTF8(element: *mut RawGeckoElement, ns: *const uint8_t,
@ -78,4 +80,8 @@ extern "C" {
data: *mut ServoNodeData) -> ();
pub fn Servo_RestyleDocument(aDoc: *mut RawGeckoDocument) -> ();
pub fn Servo_DropNodeData(data: *mut ServoNodeData) -> ();
pub fn Servo_StylesheetFromUTF8Bytes(bytes: *const uint8_t,
length: uint32_t)
-> *mut ServoArcStyleSheet;
pub fn Servo_DropStylesheet(sheet: *mut ServoArcStyleSheet) -> ();
}

29
ports/geckolib/glue.rs
View file

@ -6,12 +6,15 @@
use app_units::Au;
use bindings::RawGeckoDocument;
use bindings::ServoNodeData;
use bindings::{ServoNodeData, ServoArcStyleSheet, uint8_t, uint32_t};
use euclid::Size2D;
use euclid::size::TypedSize2D;
use num_cpus;
use std::cmp;
use std::collections::HashMap;
use std::mem::transmute;
use std::slice;
use std::str::from_utf8_unchecked;
use std::sync::mpsc::{channel, Sender};
use std::sync::{Arc, Mutex, RwLock};
use style::animation::Animation;
@ -21,8 +24,9 @@ use style::error_reporting::StdoutErrorReporter;
use style::media_queries::{Device, MediaType};
use style::parallel::{self, WorkQueueData};
use style::selector_matching::Stylist;
use style::stylesheets::Stylesheet;
use style::stylesheets::{Origin, Stylesheet};
use style::traversal::RecalcStyleOnly;
use url::Url;
use util::geometry::ViewportPx;
use util::resource_files::set_resources_path;
use util::thread_state;
@ -90,3 +94,24 @@ pub extern "C" fn Servo_DropNodeData(data: *mut ServoNodeData) -> () {
let _ = Box::<NonOpaqueStyleData>::from_raw(data as *mut NonOpaqueStyleData);
}
}
#[no_mangle]
pub extern "C" fn Servo_StylesheetFromUTF8Bytes(bytes: *const uint8_t,
length: uint32_t) -> *mut ServoArcStyleSheet {
let input = unsafe { from_utf8_unchecked(slice::from_raw_parts(bytes, length as usize)) };
// FIXME(heycam): Pass in the real base URL and sheet origin to use.
let url = Url::parse("about:none").unwrap();
let sheet = Arc::new(Stylesheet::from_str(input, url, Origin::Author, Box::new(StdoutErrorReporter)));
unsafe {
transmute(sheet)
}
}
#[no_mangle]
pub extern "C" fn Servo_DropStylesheet(sheet: *mut ServoArcStyleSheet) -> () {
unsafe {
let _ : Arc<Stylesheet> = transmute(sheet);
}
}