Function utf8ToUtf16Le [src]

Returns index of next character. If exact fit, returned index equals output slice length. Assumes there is enough space for the output.

Prototype

pub fn utf8ToUtf16Le(utf16le: []u16, utf8: []const u8) error{InvalidUtf8}!usize

Parameters

utf16le: []u16utf8: []const u8

Possible Errors

InvalidUtf8

Example

 test utf8ToUtf16Le {
    var utf16le: [128]u16 = undefined;
    {
        const length = try utf8ToUtf16Le(utf16le[0..], "𐐷");
        try testing.expectEqualSlices(u8, "\x01\xd8\x37\xdc", mem.sliceAsBytes(utf16le[0..length]));
    }
    {
        const length = try utf8ToUtf16Le(utf16le[0..], "\u{10FFFF}");
        try testing.expectEqualSlices(u8, "\xff\xdb\xff\xdf", mem.sliceAsBytes(utf16le[0..length]));
    }
    {
        const result = utf8ToUtf16Le(utf16le[0..], "\xf4\x90\x80\x80");
        try testing.expectError(error.InvalidUtf8, result);
    }
    {
        const length = try utf8ToUtf16Le(utf16le[0..], "This string has been designed to test the vectorized implementat" ++
            "ion by beginning with one hundred twenty-seven ASCII characters¡");
        try testing.expectEqualSlices(u8, &.{
            'T', 0, 'h', 0, 'i', 0, 's', 0, ' ', 0, 's', 0, 't', 0, 'r', 0, 'i', 0, 'n', 0, 'g', 0, ' ', 0, 'h', 0, 'a', 0, 's', 0, ' ',  0,
            'b', 0, 'e', 0, 'e', 0, 'n', 0, ' ', 0, 'd', 0, 'e', 0, 's', 0, 'i', 0, 'g', 0, 'n', 0, 'e', 0, 'd', 0, ' ', 0, 't', 0, 'o',  0,
            ' ', 0, 't', 0, 'e', 0, 's', 0, 't', 0, ' ', 0, 't', 0, 'h', 0, 'e', 0, ' ', 0, 'v', 0, 'e', 0, 'c', 0, 't', 0, 'o', 0, 'r',  0,
            'i', 0, 'z', 0, 'e', 0, 'd', 0, ' ', 0, 'i', 0, 'm', 0, 'p', 0, 'l', 0, 'e', 0, 'm', 0, 'e', 0, 'n', 0, 't', 0, 'a', 0, 't',  0,
            'i', 0, 'o', 0, 'n', 0, ' ', 0, 'b', 0, 'y', 0, ' ', 0, 'b', 0, 'e', 0, 'g', 0, 'i', 0, 'n', 0, 'n', 0, 'i', 0, 'n', 0, 'g',  0,
            ' ', 0, 'w', 0, 'i', 0, 't', 0, 'h', 0, ' ', 0, 'o', 0, 'n', 0, 'e', 0, ' ', 0, 'h', 0, 'u', 0, 'n', 0, 'd', 0, 'r', 0, 'e',  0,
            'd', 0, ' ', 0, 't', 0, 'w', 0, 'e', 0, 'n', 0, 't', 0, 'y', 0, '-', 0, 's', 0, 'e', 0, 'v', 0, 'e', 0, 'n', 0, ' ', 0, 'A',  0,
            'S', 0, 'C', 0, 'I', 0, 'I', 0, ' ', 0, 'c', 0, 'h', 0, 'a', 0, 'r', 0, 'a', 0, 'c', 0, 't', 0, 'e', 0, 'r', 0, 's', 0, '¡', 0,
        }, mem.sliceAsBytes(utf16le[0..length]));
    }
}

Source

  pub fn utf8ToUtf16Le(utf16le: []u16, utf8: []const u8) error{InvalidUtf8}!usize {
    return utf8ToUtf16LeImpl(utf16le, utf8, .cannot_encode_surrogate_half);
}  