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update for new grapheme_break

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This commit is contained in:
Jacob Sandlund
2025-08-21 22:29:34 -04:00
parent 90832d89b3
commit 0444c614da
3 changed files with 20 additions and 8 deletions
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18
src/unicode/props.zig
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@@ -81,9 +81,10 @@ pub const GraphemeBoundaryClass = enum(u4) {
/// The use case for this is only in generating lookup tables.
pub fn init(cp: u21) GraphemeBoundaryClass {
if (cp < uucode.code_point_range_end) {
if (uucode.get(.is_emoji_modifier, cp)) return .emoji_modifier;
if (uucode.get(.is_emoji_modifier_base, cp)) return .extended_pictographic_base;
return switch (uucode.get(.grapheme_break, cp)) {
.emoji_modifier_base => .extended_pictographic_base,
.emoji_modifier => .emoji_modifier,
.extended_pictographic => .extended_pictographic,
.l => .L,
.v => .V,
@@ -91,15 +92,24 @@ pub const GraphemeBoundaryClass = enum(u4) {
.lv => .LV,
.lvt => .LVT,
.prepend => .prepend,
.extend => .extend,
.zwj => .zwj,
.spacing_mark => .spacing_mark,
.regional_indicator => .regional_indicator,
.zwnj,
.indic_conjunct_break_extend,
.indic_conjunct_break_linker,
=> .extend,
// This is obviously not INVALID invalid, there is SOME grapheme
// boundary class for every codepoint. But we don't care about
// anything that doesn't fit into the above categories.
.other, .cr, .lf, .control => .invalid,
.other,
.indic_conjunct_break_consonant,
.cr,
.lf,
.control,
=> .invalid,
};
} else {
return .invalid;