Function JSONArray

Lib/json/decoder.py:221–263

(s_and_end, scan_once, array_hook, _w=WHITESPACE.match, _ws=WHITESPACE_STR)

    return pairs, end

def JSONArray(s_and_end, scan_once, array_hook, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
    s, end = s_and_end
    values = []
    nextchar = s[end:end + 1]
    if nextchar in _ws:
        end = _w(s, end + 1).end()
        nextchar = s[end:end + 1]
    # Look-ahead for trivial empty array
    if nextchar == ']':
        if array_hook is not None:
            values = array_hook(values)
        return values, end + 1
    _append = values.append
    while True:
        try:
            value, end = scan_once(s, end)
        except StopIteration as err:
            raise JSONDecodeError("Expecting value", s, err.value) from None
        _append(value)
        nextchar = s[end:end + 1]
        if nextchar in _ws:
            end = _w(s, end + 1).end()
            nextchar = s[end:end + 1]
        end += 1
        if nextchar == ']':
            break
        elif nextchar != ',':
            raise JSONDecodeError("Expecting ',' delimiter", s, end - 1)
        comma_idx = end - 1
        try:
            if s[end] in _ws:
                end += 1
                if s[end] in _ws:
                    end = _w(s, end + 1).end()
            nextchar = s[end:end + 1]
        except IndexError:
            pass
        if nextchar == ']':
            raise JSONDecodeError("Illegal trailing comma before end of array", s, comma_idx)

    if array_hook is not None:
        values = array_hook(values)
    return values, end


class JSONDecoder(object):