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bug fixes galore

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This commit is contained in:
Jarred Sumner
2021-05-13 17:44:50 -07:00
parent b42b239344
commit 7243945291
15 changed files with 308 additions and 119 deletions
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19
src/string_immutable.zig
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@@ -142,6 +142,25 @@ pub fn eqlUtf16(comptime self: string, other: JavascriptString) bool {
return std.mem.eql(u16, std.unicode.utf8ToUtf16LeStringLiteral(self), other);
}
pub fn toUTF8Alloc(allocator: *std.mem.Allocator, js: JavascriptString) !string {
var temp = std.mem.zeroes([4]u8);
var list = std.ArrayList(u8).initCapacity(allocator, js.len) catch unreachable;
var i: usize = 0;
while (i < js.len) : (i += 1) {
var r1 = @intCast(i32, js[i]);
if (r1 >= 0xD800 and r1 <= 0xDBFF and i + 1 < js.len) {
const r2 = @intCast(i32, js[i] + 1);
if (r2 >= 0xDC00 and r2 <= 0xDFFF) {
r1 = (r1 - 0xD800) << 10 | (r2 - 0xDC00) + 0x10000;
i += 1;
}
}
const width = encodeWTF8Rune(&temp, r1);
list.appendSlice(temp[0..width]) catch unreachable;
}
return list.toOwnedSlice();
}
// Check utf16 string equals utf8 string without allocating extra memory
pub fn utf16EqlString(text: []u16, str: string) bool {
if (text.len > str.len) {