Dj 6dZddlmZdZdZdZdededzfd Zy) zStage 1d: UTF-8 structural validation. Note: ``from __future__ import annotations`` is intentionally omitted because this module is compiled with mypyc, which does not support PEP 563 string annotations. )DetectionResultg?gGz?datareturnNc |syd}t|}d}d}||kr||}|dkr|dz }d|cxkrdkrnnd}n#d|cxkrd krnnd }nd |cxkrd krnyd }ny||z|kDrntd|D]}d|||zcxkrdkryy|d k(r"|dk(r ||dzdkry|dk(r3||dzdkDr(y|d k(r"|d k(r ||dzdkry|d k(r ||dzdkDry|dz }||z }||z }||kr|dk(ry||z }ttz } t tt| t |t zdzz} t d| dS)aValidate UTF-8 byte structure. Returns a result only if multi-byte sequences are found (pure ASCII is handled by the ASCII stage). :param data: The raw byte data to examine. :returns: A :class:`DetectionResult` for UTF-8, or ``None``. Nrg?zutf-8)encoding confidencelanguage)lenrange_MAX_CONFIDENCE_BASE_CONFIDENCEmin_MB_RATIO_SCALEr) rilengthmultibyte_sequencesmultibyte_bytesbyteseq_lenjmb_ratioconfidence_rangers S/root/workspace/ytshorts/venv/lib/python3.12/site-packages/chardet/pipeline/utf8.py detect_utf8r,s  A YFO f*Aw $; FA  4 4 G T !T !G T !T !G w;  q'" ADQK/4/0  a<t|QU d 2t|QU d 2 \t|QU d 2t|QU d 2q 7" W _ f*da'H&)99+c(_2Lc.RRRJ G T RR)__doc__chardet.pipelinerrrr!bytesr,r-r+r2sA-NSeNS$ 6NSr-