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Remove EnumEntry, as Rust already provides O(1) access to the string length.

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This commit is contained in:
Ms2ger 2014-04-06 19:16:24 +02:00
parent 3e0d4a2509
commit 9a909229e3
2 changed files with 7 additions and 19 deletions
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5
src/components/script/dom/bindings/codegen/CodegenRust.py
View file

@ -2909,17 +2909,16 @@ class CGEnum(CGThing):
def __init__(self, enum):
CGThing.__init__(self)
inner = """
use dom::bindings::utils::EnumEntry;
#[repr(uint)]
pub enum valuelist {
%s
}
pub static strings: &'static [EnumEntry] = &[
pub static strings: &'static [&'static str] = &[
%s,
];
""" % (",\n ".join(map(getEnumValueName, enum.values())),
",\n ".join(['EnumEntry {value: &"' + val + '", length: ' + str(len(val)) + '}' for val in enum.values()]))
",\n ".join(['&"%s"' % val for val in enum.values()]))
self.cgRoot = CGList([
CGNamespace.build([enum.identifier.name + "Values"],

21
src/components/script/dom/bindings/utils.rs
View file

@ -566,14 +566,9 @@ pub fn InitIds(cx: *JSContext, specs: &[JSPropertySpec], ids: &mut [jsid]) -> bo
true
}
pub struct EnumEntry {
value: &'static str,
length: uint
}
pub fn FindEnumStringIndex(cx: *JSContext,
v: JSVal,
values: &[EnumEntry]) -> Result<uint, ()> {
values: &[&'static str]) -> Result<uint, ()> {
unsafe {
let jsstr = JS_ValueToString(cx, v);
if jsstr.is_null() {
@ -585,16 +580,10 @@ pub fn FindEnumStringIndex(cx: *JSContext,
return Err(());
}
for (i, value) in values.iter().enumerate() {
if value.length != length as uint {
continue;
}
let mut equal = true;
for j in range(0, length as int) {
if value.value[j] as u16 != *chars.offset(j) {
equal = false;
break;
}
};
let equal = value.len() == length as uint &&
range(0, length as int).all(|j| {
value[j] as u16 == *chars.offset(j)
});
if equal {
return Ok(i);