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Move parse_integer and parse_unsigned_integer from util::str to style…
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…::attr
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zakorgy committed Feb 17, 2016
1 parent f0d4c03 commit 43d527f
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Showing 3 changed files with 49 additions and 49 deletions.
7 changes: 4 additions & 3 deletions components/script/dom/htmltableelement.rs
Expand Up @@ -18,7 +18,8 @@ use dom::node::{Node, document_from_node};
use dom::virtualmethods::VirtualMethods;
use std::cell::Cell;
use string_cache::Atom;
use util::str::{self, DOMString, LengthOrPercentageOrAuto};
use style::attr::parse_unsigned_integer;
use util::str::{DOMString, LengthOrPercentageOrAuto};

#[dom_struct]
pub struct HTMLTableElement {
Expand Down Expand Up @@ -176,12 +177,12 @@ impl VirtualMethods for HTMLTableElement {
atom!("border") => {
// According to HTML5 § 14.3.9, invalid values map to 1px.
self.border.set(mutation.new_value(attr).map(|value| {
str::parse_unsigned_integer(value.chars()).unwrap_or(1)
parse_unsigned_integer(value.chars()).unwrap_or(1)
}));
}
atom!("cellspacing") => {
self.cellspacing.set(mutation.new_value(attr).and_then(|value| {
str::parse_unsigned_integer(value.chars())
parse_unsigned_integer(value.chars())
}));
},
_ => {},
Expand Down
47 changes: 45 additions & 2 deletions components/style/attr.rs
Expand Up @@ -5,12 +5,13 @@
use app_units::Au;
use cssparser::{self, Color, RGBA};
use euclid::num::Zero;
use num::ToPrimitive;
use std::ascii::AsciiExt;
use std::ops::Deref;
use string_cache::{Atom, Namespace};
use url::Url;
use util::str::{DOMString, LengthOrPercentageOrAuto, WHITESPACE, parse_unsigned_integer, parse_length};
use util::str::{split_html_space_chars, str_join, parse_integer};
use util::str::{DOMString, LengthOrPercentageOrAuto, HTML_SPACE_CHARACTERS, WHITESPACE};
use util::str::{parse_length, read_numbers, split_html_space_chars, str_join};
use values::specified::{Length};

// Duplicated from script::dom::values.
Expand All @@ -29,6 +30,48 @@ pub enum AttrValue {
Url(DOMString, Option<Url>),
}

/// Shared implementation to parse an integer according to
/// <https://html.spec.whatwg.org/multipage/#rules-for-parsing-integers> or
/// <https://html.spec.whatwg.org/multipage/#rules-for-parsing-non-negative-integers>
fn do_parse_integer<T: Iterator<Item=char>>(input: T) -> Option<i64> {
let mut input = input.skip_while(|c| {
HTML_SPACE_CHARACTERS.iter().any(|s| s == c)
}).peekable();

let sign = match input.peek() {
None => return None,
Some(&'-') => {
input.next();
-1
},
Some(&'+') => {
input.next();
1
},
Some(_) => 1,
};

let value = read_numbers(input);

value.and_then(|value| value.checked_mul(sign))
}

/// Parse an integer according to
/// <https://html.spec.whatwg.org/multipage/#rules-for-parsing-integers>.
pub fn parse_integer<T: Iterator<Item=char>>(input: T) -> Option<i32> {
do_parse_integer(input).and_then(|result| {
result.to_i32()
})
}

/// Parse an integer according to
/// <https://html.spec.whatwg.org/multipage/#rules-for-parsing-non-negative-integers>
pub fn parse_unsigned_integer<T: Iterator<Item=char>>(input: T) -> Option<u32> {
do_parse_integer(input).and_then(|result| {
result.to_u32()
})
}

impl AttrValue {
pub fn from_serialized_tokenlist(tokens: DOMString) -> AttrValue {
let atoms =
Expand Down
44 changes: 0 additions & 44 deletions components/util/str.rs
Expand Up @@ -4,7 +4,6 @@

use app_units::Au;
use libc::c_char;
use num_lib::ToPrimitive;
use std::borrow::ToOwned;
use std::convert::AsRef;
use std::ffi::CStr;
Expand Down Expand Up @@ -174,49 +173,6 @@ pub fn read_numbers<I: Iterator<Item=char>>(mut iter: Peekable<I>) -> Option<i64
})
}


/// Shared implementation to parse an integer according to
/// <https://html.spec.whatwg.org/multipage/#rules-for-parsing-integers> or
/// <https://html.spec.whatwg.org/multipage/#rules-for-parsing-non-negative-integers>
fn do_parse_integer<T: Iterator<Item=char>>(input: T) -> Option<i64> {
let mut input = input.skip_while(|c| {
HTML_SPACE_CHARACTERS.iter().any(|s| s == c)
}).peekable();

let sign = match input.peek() {
None => return None,
Some(&'-') => {
input.next();
-1
},
Some(&'+') => {
input.next();
1
},
Some(_) => 1,
};

let value = read_numbers(input);

value.and_then(|value| value.checked_mul(sign))
}

/// Parse an integer according to
/// <https://html.spec.whatwg.org/multipage/#rules-for-parsing-integers>.
pub fn parse_integer<T: Iterator<Item=char>>(input: T) -> Option<i32> {
do_parse_integer(input).and_then(|result| {
result.to_i32()
})
}

/// Parse an integer according to
/// <https://html.spec.whatwg.org/multipage/#rules-for-parsing-non-negative-integers>
pub fn parse_unsigned_integer<T: Iterator<Item=char>>(input: T) -> Option<u32> {
do_parse_integer(input).and_then(|result| {
result.to_u32()
})
}

#[derive(Clone, Copy, Debug, HeapSizeOf, PartialEq)]
pub enum LengthOrPercentageOrAuto {
Auto,
Expand Down

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