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box: Use macros to reduce code duplication

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This commit is contained in:
Keegan McAllister 2014-02-13 14:01:23 -08:00
parent d10bbd5d47
commit 0523032afe
1 changed files with 74 additions and 151 deletions
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225
src/components/main/layout/box_.rs
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@ -304,6 +304,80 @@ pub struct InlineParentInfo {
node: OpaqueNode,
}
// FIXME: Take just one parameter and use concat_ident! (mozilla/rust#12249)
macro_rules! def_noncontent( ($side:ident, $get:ident, $inline_get:ident) => (
impl Box {
pub fn $get(&self) -> Au {
self.margin.get().$side + self.border.get().$side + self.padding.get().$side
}
pub fn $inline_get(&self) -> Au {
let mut val = Au::new(0);
let info = self.inline_info.borrow();
match info.get() {
&Some(ref info) => {
for info in info.parent_info.iter() {
val = val + info.margin.$side + info.border.$side + info.padding.$side;
}
},
&None => {}
}
val
}
}
))
macro_rules! def_noncontent_horiz( ($side:ident, $merge:ident, $clear:ident) => (
impl Box {
pub fn $merge(&self, other_box: &Box) {
let mut info = self.inline_info.borrow_mut();
let other_info = other_box.inline_info.borrow();
match other_info.get() {
&Some(ref other_info) => {
match info.get() {
&Some(ref mut info) => {
for other_item in other_info.parent_info.iter() {
for item in info.parent_info.mut_iter() {
if item.node == other_item.node {
item.border.$side = other_item.border.$side;
item.padding.$side = other_item.padding.$side;
item.margin.$side = other_item.margin.$side;
break;
}
}
}
},
&None => {}
}
},
&None => {}
}
}
pub fn $clear(&self) {
let mut info = self.inline_info.borrow_mut();
match info.get() {
&Some(ref mut info) => {
for item in info.parent_info.mut_iter() {
item.border.$side = Au::new(0);
item.padding.$side = Au::new(0);
item.margin.$side = Au::new(0);
}
},
&None => {}
}
}
}
))
def_noncontent!(left, noncontent_left, noncontent_inline_left)
def_noncontent!(right, noncontent_right, noncontent_inline_right)
def_noncontent!(top, noncontent_top, noncontent_inline_top)
def_noncontent!(bottom, noncontent_bottom, noncontent_inline_bottom)
def_noncontent_horiz!(left, merge_noncontent_inline_left, clear_noncontent_inline_left)
def_noncontent_horiz!(right, merge_noncontent_inline_right, clear_noncontent_inline_right)
impl Box {
/// Constructs a new `Box` instance.
@ -536,157 +610,6 @@ impl Box {
self.noncontent_top() + self.noncontent_bottom()
}
pub fn noncontent_left(&self) -> Au {
self.margin.get().left + self.border.get().left + self.padding.get().left
}
pub fn noncontent_right(&self) -> Au {
self.margin.get().right + self.border.get().right + self.padding.get().right
}
pub fn noncontent_top(&self) -> Au {
self.margin.get().top + self.border.get().top + self.padding.get().top
}
pub fn noncontent_bottom(&self) -> Au {
self.margin.get().bottom + self.border.get().bottom + self.padding.get().bottom
}
pub fn noncontent_inline_left(&self) -> Au {
let mut left = Au::new(0);
let info = self.inline_info.borrow();
match info.get() {
&Some(ref info) => {
for info in info.parent_info.iter() {
left = left + info.margin.left + info.border.left + info.padding.left;
}
},
&None => {}
}
left
}
pub fn noncontent_inline_right(&self) -> Au {
let mut right = Au::new(0);
let info = self.inline_info.borrow();
match info.get() {
&Some(ref info) => {
for info in info.parent_info.iter() {
right = right + info.margin.right + info.border.right + info.padding.right;
}
},
&None => {}
}
right
}
pub fn noncontent_inline_top(&self) -> Au {
let mut top = Au::new(0);
let info = self.inline_info.borrow();
match info.get() {
&Some(ref info) => {
for info in info.parent_info.iter() {
top = top + info.margin.top + info.border.top + info.padding.top;
}
},
&None => {}
}
top
}
pub fn noncontent_inline_bottom(&self) -> Au {
let mut bottom = Au::new(0);
let info = self.inline_info.borrow();
match info.get() {
&Some(ref info) => {
for info in info.parent_info.iter() {
bottom = bottom + info.margin.bottom + info.border.bottom + info.padding.bottom;
}
},
&None => {}
}
bottom
}
pub fn merge_noncontent_inline_right(&self, other_box: &Box) {
let mut info = self.inline_info.borrow_mut();
let other_info = other_box.inline_info.borrow();
match other_info.get() {
&Some(ref other_info) => {
match info.get() {
&Some(ref mut info) => {
for other_item in other_info.parent_info.iter() {
for item in info.parent_info.mut_iter() {
if item.node == other_item.node {
item.border.right = other_item.border.right;
item.padding.right = other_item.padding.right;
item.margin.right = other_item.margin.right;
break;
}
}
}
},
&None => {}
}
},
&None => {}
}
}
pub fn merge_noncontent_inline_left(&self, other_box: &Box) {
let mut info = self.inline_info.borrow_mut();
let other_info = other_box.inline_info.borrow();
match other_info.get() {
&Some(ref other_info) => {
match info.get() {
&Some(ref mut info) => {
for other_item in other_info.parent_info.iter() {
for item in info.parent_info.mut_iter() {
if item.node == other_item.node {
item.border.left = other_item.border.left;
item.padding.left = other_item.padding.left;
item.margin.left = other_item.margin.left;
break;
}
}
}
},
&None => {}
}
},
&None => {}
}
}
pub fn clear_noncontent_inline_right(&self) {
let mut info = self.inline_info.borrow_mut();
match info.get() {
&Some(ref mut info) => {
for item in info.parent_info.mut_iter() {
item.border.right = Au::new(0);
item.padding.right = Au::new(0);
item.margin.right = Au::new(0);
}
},
&None => {}
}
}
pub fn clear_noncontent_inline_left(&self) {
let mut info = self.inline_info.borrow_mut();
match info.get() {
&Some(ref mut info) => {
for item in info.parent_info.mut_iter() {
item.border.left = Au::new(0);
item.padding.left = Au::new(0);
item.margin.left = Au::new(0);
}
},
&None => {}
}
}
pub fn relative_position(&self, container_block_size: &Size2D<Au>) -> Point2D<Au> {
fn left_right(style: &ComputedValues, block_width: Au) -> Au {
// TODO(ksh8281) : consider RTL(right-to-left) culture