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Add initial values.

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This commit is contained in:
Simon Sapin 2013-08-30 13:57:39 +01:00
parent bdca6d9fc4
commit dd8b178860
1 changed files with 37 additions and 10 deletions
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47
properties/mod.rs.mako
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@ -78,6 +78,9 @@ pub mod longhands {
% endfor
}
pub type ComputedValue = SpecifiedValue;
#[inline] pub fn get_initial_value() -> ComputedValue {
${to_rust_ident(values.split()[0])}
}
pub fn from_component_value(v: &ComponentValue) -> Option<SpecifiedValue> {
do get_ident_lower(v).chain |keyword| {
match keyword.as_slice() {
@ -91,11 +94,12 @@ pub mod longhands {
</%self:single_component_value>
</%def>
<%def name="predefined_type(name, type, parse_method='parse', inherited=False)">
<%def name="predefined_type(name, type, initial_value, parse_method='parse', inherited=False)">
<%self:longhand name="${name}" inherited="${inherited}">
pub use to_computed_value = super::super::common_types::computed::compute_${type};
pub type SpecifiedValue = specified::${type};
pub type ComputedValue = computed::${type};
#[inline] pub fn get_initial_value() -> ComputedValue { ${initial_value} }
pub fn parse(input: &[ComponentValue]) -> Option<SpecifiedValue> {
one_component_value(input).chain(specified::${type}::${parse_method})
}
@ -106,15 +110,18 @@ pub mod longhands {
// CSS 2.1, Section 8 - Box model
% for side in ["top", "right", "bottom", "left"]:
${predefined_type("margin-" + side, "LengthOrPercentageOrAuto")}
${predefined_type("margin-" + side, "LengthOrPercentageOrAuto",
"computed::LPA_Length(computed::Length(0))")}
% endfor
% for side in ["top", "right", "bottom", "left"]:
${predefined_type("padding-" + side, "LengthOrPercentage", "parse_non_negative")}
${predefined_type("padding-" + side, "LengthOrPercentage",
"computed::LP_Length(computed::Length(0))",
"parse_non_negative")}
% endfor
% for side in ["top", "right", "bottom", "left"]:
${predefined_type("border-%s-color" % side, "CSSColor")}
${predefined_type("border-%s-color" % side, "CSSColor", "CurrentColor")}
% endfor
// dotted dashed double groove ridge insed outset hidden
@ -142,6 +149,9 @@ pub mod longhands {
<%self:longhand name="border-${side}-width">
pub type SpecifiedValue = specified::Length;
pub type ComputedValue = computed::Length;
#[inline] pub fn get_initial_value() -> ComputedValue {
computed::Length(3 * 60) // medium
}
pub fn parse(input: &[ComponentValue]) -> Option<SpecifiedValue> {
one_component_value(input).chain(parse_border_width)
}
@ -163,13 +173,17 @@ pub mod longhands {
// "table-row table-column-group table-column table-cell table-caption"
${single_keyword("position", "static absolute relative fixed")}
${single_keyword("float", "left right none")}
${single_keyword("clear", "left right none both")}
${single_keyword("float", "none left right")}
${single_keyword("clear", "none left right both")}
// CSS 2.1, Section 10 - Visual formatting model details
${predefined_type("width", "LengthOrPercentageOrAuto", "parse_non_negative")}
${predefined_type("height", "LengthOrPercentageOrAuto", "parse_non_negative")}
${predefined_type("width", "LengthOrPercentageOrAuto",
"computed::LPA_Auto",
"parse_non_negative")}
${predefined_type("height", "LengthOrPercentageOrAuto",
"computed::LPA_Auto",
"parse_non_negative")}
<%self:single_component_value name="line-height">
pub enum SpecifiedValue {
@ -198,6 +212,7 @@ pub mod longhands {
Length(computed::Length),
Number(Float),
}
#[inline] pub fn get_initial_value() -> ComputedValue { Normal }
pub fn to_computed_value(value: SpecifiedValue, context: &computed::Context)
-> ComputedValue {
match value {
@ -216,8 +231,11 @@ pub mod longhands {
// CSS 2.1, Section 14 - Colors and Backgrounds
${predefined_type("background-color", "CSSColor")}
${predefined_type("color", "CSSColor", inherited=True)}
${predefined_type("background-color", "CSSColor",
"RGBA(RGBA { red: 0., green: 0., blue: 0., alpha: 0. }) /* transparent */")}
${predefined_type("color", "CSSColor",
"RGBA(RGBA { red: 0., green: 0., blue: 0., alpha: 1. }) /* black */",
inherited=True)}
// CSS 2.1, Section 15 - Fonts
@ -234,6 +252,7 @@ pub mod longhands {
}
pub type SpecifiedValue = ~[FontFamily];
pub type ComputedValue = SpecifiedValue;
#[inline] pub fn get_initial_value() -> ComputedValue { ~[FamilyName(~"serif")] }
/// <familiy-name>#
/// <familiy-name> = <string> | [ <ident>+ ]
/// TODO: <generic-familiy>
@ -334,6 +353,7 @@ pub mod longhands {
Weight${weight},
% endfor
}
#[inline] pub fn get_initial_value() -> ComputedValue { Weight400 } // normal
pub fn to_computed_value(value: SpecifiedValue, context: &computed::Context)
-> ComputedValue {
match value {
@ -370,6 +390,9 @@ pub mod longhands {
pub use to_computed_value = super::super::common_types::computed::compute_Length;
pub type SpecifiedValue = specified::Length; // Percentages are the same as em.
pub type ComputedValue = computed::Length;
#[inline] pub fn get_initial_value() -> ComputedValue {
computed::Length(16 * 60) // medium
}
/// <length> | <percentage>
/// TODO: support <absolute-size> and <relative-size>
pub fn from_component_value(input: &ComponentValue) -> Option<SpecifiedValue> {
@ -384,6 +407,7 @@ pub mod longhands {
// CSS 2.1, Section 16 - Text
// TODO: initial value should be 'start' (CSS Text Level 3, direction-dependent.)
${single_keyword("text-align", "left right center justify", inherited=True)}
<%self:longhand name="text-decoration">
@ -396,6 +420,9 @@ pub mod longhands {
// Just not blinking the text is a conforming implementation per CSS 2.1.
}
pub type ComputedValue = SpecifiedValue;
#[inline] pub fn get_initial_value() -> ComputedValue {
SpecifiedValue { underline: false, overline: false, line_through: false } // none
}
/// none | [ underline || overline || line-through || blink ]
pub fn parse(input: &[ComponentValue]) -> Option<SpecifiedValue> {
let mut result = SpecifiedValue {