PNG  IHDRxsBIT|d pHYs+tEXtSoftwarewww.inkscape.org<,tEXtComment File Manager

File Manager

Path: /opt/alt/python311/lib/python3.11/site-packages/jmespath/

Viewing File: lexer.py

import string
import warnings
from json import loads

from jmespath.exceptions import LexerError, EmptyExpressionError


class Lexer(object):
    START_IDENTIFIER = set(string.ascii_letters + '_')
    VALID_IDENTIFIER = set(string.ascii_letters + string.digits + '_')
    VALID_NUMBER = set(string.digits)
    WHITESPACE = set(" \t\n\r")
    SIMPLE_TOKENS = {
        '.': 'dot',
        '*': 'star',
        ']': 'rbracket',
        ',': 'comma',
        ':': 'colon',
        '@': 'current',
        '(': 'lparen',
        ')': 'rparen',
        '{': 'lbrace',
        '}': 'rbrace',
    }

    def tokenize(self, expression):
        self._initialize_for_expression(expression)
        while self._current is not None:
            if self._current in self.SIMPLE_TOKENS:
                yield {'type': self.SIMPLE_TOKENS[self._current],
                       'value': self._current,
                       'start': self._position, 'end': self._position + 1}
                self._next()
            elif self._current in self.START_IDENTIFIER:
                start = self._position
                buff = self._current
                while self._next() in self.VALID_IDENTIFIER:
                    buff += self._current
                yield {'type': 'unquoted_identifier', 'value': buff,
                       'start': start, 'end': start + len(buff)}
            elif self._current in self.WHITESPACE:
                self._next()
            elif self._current == '[':
                start = self._position
                next_char = self._next()
                if next_char == ']':
                    self._next()
                    yield {'type': 'flatten', 'value': '[]',
                           'start': start, 'end': start + 2}
                elif next_char == '?':
                    self._next()
                    yield {'type': 'filter', 'value': '[?',
                           'start': start, 'end': start + 2}
                else:
                    yield {'type': 'lbracket', 'value': '[',
                           'start': start, 'end': start + 1}
            elif self._current == "'":
                yield self._consume_raw_string_literal()
            elif self._current == '|':
                yield self._match_or_else('|', 'or', 'pipe')
            elif self._current == '&':
                yield self._match_or_else('&', 'and', 'expref')
            elif self._current == '`':
                yield self._consume_literal()
            elif self._current in self.VALID_NUMBER:
                start = self._position
                buff = self._consume_number()
                yield {'type': 'number', 'value': int(buff),
                       'start': start, 'end': start + len(buff)}
            elif self._current == '-':
                # Negative number.
                start = self._position
                buff = self._consume_number()
                if len(buff) > 1:
                    yield {'type': 'number', 'value': int(buff),
                           'start': start, 'end': start + len(buff)}
                else:
                    raise LexerError(lexer_position=start,
                                     lexer_value=buff,
                                     message="Unknown token '%s'" % buff)
            elif self._current == '"':
                yield self._consume_quoted_identifier()
            elif self._current == '<':
                yield self._match_or_else('=', 'lte', 'lt')
            elif self._current == '>':
                yield self._match_or_else('=', 'gte', 'gt')
            elif self._current == '!':
                yield self._match_or_else('=', 'ne', 'not')
            elif self._current == '=':
                if self._next() == '=':
                    yield {'type': 'eq', 'value': '==',
                        'start': self._position - 1, 'end': self._position}
                    self._next()
                else:
                    if self._current is None:
                        # If we're at the EOF, we never advanced
                        # the position so we don't need to rewind
                        # it back one location.
                        position = self._position
                    else:
                        position = self._position - 1
                    raise LexerError(
                        lexer_position=position,
                        lexer_value='=',
                        message="Unknown token '='")
            else:
                raise LexerError(lexer_position=self._position,
                                 lexer_value=self._current,
                                 message="Unknown token %s" % self._current)
        yield {'type': 'eof', 'value': '',
               'start': self._length, 'end': self._length}

    def _consume_number(self):
        start = self._position
        buff = self._current
        while self._next() in self.VALID_NUMBER:
            buff += self._current
        return buff

    def _initialize_for_expression(self, expression):
        if not expression:
            raise EmptyExpressionError()
        self._position = 0
        self._expression = expression
        self._chars = list(self._expression)
        self._current = self._chars[self._position]
        self._length = len(self._expression)

    def _next(self):
        if self._position == self._length - 1:
            self._current = None
        else:
            self._position += 1
            self._current = self._chars[self._position]
        return self._current

    def _consume_until(self, delimiter):
        # Consume until the delimiter is reached,
        # allowing for the delimiter to be escaped with "\".
        start = self._position
        buff = ''
        self._next()
        while self._current != delimiter:
            if self._current == '\\':
                buff += '\\'
                self._next()
            if self._current is None:
                # We're at the EOF.
                raise LexerError(lexer_position=start,
                                 lexer_value=self._expression[start:],
                                 message="Unclosed %s delimiter" % delimiter)
            buff += self._current
            self._next()
        # Skip the closing delimiter.
        self._next()
        return buff

    def _consume_literal(self):
        start = self._position
        lexeme = self._consume_until('`').replace('\\`', '`')
        try:
            # Assume it is valid JSON and attempt to parse.
            parsed_json = loads(lexeme)
        except ValueError:
            try:
                # Invalid JSON values should be converted to quoted
                # JSON strings during the JEP-12 deprecation period.
                parsed_json = loads('"%s"' % lexeme.lstrip())
                warnings.warn("deprecated string literal syntax",
                              PendingDeprecationWarning)
            except ValueError:
                raise LexerError(lexer_position=start,
                                 lexer_value=self._expression[start:],
                                 message="Bad token %s" % lexeme)
        token_len = self._position - start
        return {'type': 'literal', 'value': parsed_json,
                'start': start, 'end': token_len}

    def _consume_quoted_identifier(self):
        start = self._position
        lexeme = '"' + self._consume_until('"') + '"'
        try:
            token_len = self._position - start
            return {'type': 'quoted_identifier', 'value': loads(lexeme),
                    'start': start, 'end': token_len}
        except ValueError as e:
            error_message = str(e).split(':')[0]
            raise LexerError(lexer_position=start,
                             lexer_value=lexeme,
                             message=error_message)

    def _consume_raw_string_literal(self):
        start = self._position
        lexeme = self._consume_until("'").replace("\\'", "'")
        token_len = self._position - start
        return {'type': 'literal', 'value': lexeme,
                'start': start, 'end': token_len}

    def _match_or_else(self, expected, match_type, else_type):
        start = self._position
        current = self._current
        next_char = self._next()
        if next_char == expected:
            self._next()
            return {'type': match_type, 'value': current + next_char,
                    'start': start, 'end': start + 1}
        return {'type': else_type, 'value': current,
                'start': start, 'end': start}
b IDATxytVսϓ22 A@IR :hCiZ[v*E:WũZA ^dQeQ @ !jZ'>gsV仿$|?g)&x-EIENT ;@xT.i%-X}SvS5.r/UHz^_$-W"w)Ɗ/@Z &IoX P$K}JzX:;` &, ŋui,e6mX ԵrKb1ԗ)DADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADA݀!I*]R;I2$eZ#ORZSrr6mteffu*((Pu'v{DIߔ4^pIm'77WEEE;vƎ4-$]'RI{\I&G :IHJ DWBB=\WR޽m o$K(V9ABB.}jѢv`^?IOȅ} ڶmG}T#FJ`56$-ھ}FI&v;0(h;Б38CӧOWf!;A i:F_m9s&|q%=#wZprrrla A &P\\СC[A#! {olF} `E2}MK/vV)i{4BffV\|ۭX`b@kɶ@%i$K z5zhmX[IXZ` 'b%$r5M4º/l ԃߖxhʔ)[@=} K6IM}^5k㏷݆z ΗÿO:gdGBmyT/@+Vɶ纽z񕏵l.y޴it뭷zV0[Y^>Wsqs}\/@$(T7f.InݺiR$푔n.~?H))\ZRW'Mo~v Ov6oԃxz! S,&xm/yɞԟ?'uaSѽb,8GלKboi&3t7Y,)JJ c[nzӳdE&KsZLӄ I?@&%ӟ۶mSMMњ0iؐSZ,|J+N ~,0A0!5%Q-YQQa3}$_vVrf9f?S8`zDADADADADADADADADAdqP,تmMmg1V?rSI꒟]u|l RCyEf٢9 jURbztѰ!m5~tGj2DhG*{H9)꒟ר3:(+3\?/;TUݭʴ~S6lڧUJ*i$d(#=Yݺd{,p|3B))q:vN0Y.jkק6;SɶVzHJJЀ-utѹսk>QUU\޲~]fFnK?&ߡ5b=z9)^|u_k-[y%ZNU6 7Mi:]ۦtk[n X(e6Bb."8cۭ|~teuuw|ήI-5"~Uk;ZicEmN/:]M> cQ^uiƞ??Ңpc#TUU3UakNwA`:Y_V-8.KKfRitv޲* 9S6ֿj,ՃNOMߤ]z^fOh|<>@Å5 _/Iu?{SY4hK/2]4%it5q]GGe2%iR| W&f*^]??vq[LgE_3f}Fxu~}qd-ږFxu~I N>\;͗O֊:̗WJ@BhW=y|GgwܷH_NY?)Tdi'?խwhlmQi !SUUsw4kӺe4rfxu-[nHtMFj}H_u~w>)oV}(T'ebʒv3_[+vn@Ȭ\S}ot}w=kHFnxg S 0eޢm~l}uqZfFoZuuEg `zt~? b;t%>WTkķh[2eG8LIWx,^\thrl^Ϊ{=dž<}qV@ ⠨Wy^LF_>0UkDuʫuCs$)Iv:IK;6ֲ4{^6եm+l3>݆uM 9u?>Zc }g~qhKwڭeFMM~pМuqǿz6Tb@8@Y|jx](^]gf}M"tG -w.@vOqh~/HII`S[l.6nØXL9vUcOoB\xoǤ'T&IǍQw_wpv[kmO{w~>#=P1Pɞa-we:iǏlHo׈꒟f9SzH?+shk%Fs:qVhqY`jvO'ρ?PyX3lх]˾uV{ݞ]1,MzYNW~̈́ joYn}ȚF߾׮mS]F z+EDxm/d{F{-W-4wY듏:??_gPf ^3ecg ҵs8R2מz@TANGj)}CNi/R~}c:5{!ZHӋӾ6}T]G]7W6^n 9*,YqOZj:P?Q DFL|?-^.Ɵ7}fFh׶xe2Pscz1&5\cn[=Vn[ĶE鎀uˌd3GII k;lNmشOuuRVfBE]ۣeӶu :X-[(er4~LHi6:Ѻ@ԅrST0trk%$Č0ez" *z"T/X9|8.C5Feg}CQ%͞ˣJvL/?j^h&9xF`њZ(&yF&Iݻfg#W;3^{Wo^4'vV[[K';+mӍִ]AC@W?1^{එyh +^]fm~iԵ]AB@WTk̏t uR?l.OIHiYyԶ]Aˀ7c:q}ힽaf6Z~қm(+sK4{^6}T*UUu]n.:kx{:2 _m=sAߤU@?Z-Vކеz왍Nэ{|5 pڶn b p-@sPg]0G7fy-M{GCF'%{4`=$-Ge\ eU:m+Zt'WjO!OAF@ik&t݆ϥ_ e}=]"Wz_.͜E3leWFih|t-wZۍ-uw=6YN{6|} |*={Ѽn.S.z1zjۻTH]흾 DuDvmvK.`V]yY~sI@t?/ϓ. m&["+P?MzovVЫG3-GRR[(!!\_,^%?v@ҵő m`Y)tem8GMx.))A]Y i`ViW`?^~!S#^+ѽGZj?Vģ0.))A꨷lzL*]OXrY`DBBLOj{-MH'ii-ϰ ok7^ )쭡b]UXSְmռY|5*cֽk0B7镹%ڽP#8nȎq}mJr23_>lE5$iwui+ H~F`IjƵ@q \ @#qG0".0" l`„.0! ,AQHN6qzkKJ#o;`Xv2>,tێJJ7Z/*A .@fفjMzkg @TvZH3Zxu6Ra'%O?/dQ5xYkU]Rֽkق@DaS^RSּ5|BeHNN͘p HvcYcC5:y #`οb;z2.!kr}gUWkyZn=f Pvsn3p~;4p˚=ē~NmI] ¾ 0lH[_L hsh_ғߤc_њec)g7VIZ5yrgk̞W#IjӪv>՞y睝M8[|]\շ8M6%|@PZڨI-m>=k='aiRo-x?>Q.}`Ȏ:Wsmu u > .@,&;+!!˱tﭧDQwRW\vF\~Q7>spYw$%A~;~}6¾ g&if_=j,v+UL1(tWake:@Ș>j$Gq2t7S?vL|]u/ .(0E6Mk6hiۺzښOrifޱxm/Gx> Lal%%~{lBsR4*}{0Z/tNIɚpV^#Lf:u@k#RSu =S^ZyuR/.@n&΃z~B=0eg뺆#,Þ[B/?H uUf7y Wy}Bwegל`Wh(||`l`.;Ws?V@"c:iɍL֯PGv6zctM̠':wuW;d=;EveD}9J@B(0iհ bvP1{\P&G7D޴Iy_$-Qjm~Yrr&]CDv%bh|Yzni_ˆR;kg}nJOIIwyuL}{ЌNj}:+3Y?:WJ/N+Rzd=hb;dj͒suݔ@NKMԄ jqzC5@y°hL m;*5ezᕏ=ep XL n?מ:r`۵tŤZ|1v`V뽧_csج'ߤ%oTuumk%%%h)uy]Nk[n 'b2 l.=͜E%gf$[c;s:V-͞WߤWh-j7]4=F-X]>ZLSi[Y*We;Zan(ӇW|e(HNNP5[= r4tP &0<pc#`vTNV GFqvTi*Tyam$ߏWyE*VJKMTfFw>'$-ؽ.Ho.8c"@DADADADADADADADADA~j*֘,N;Pi3599h=goضLgiJ5փy~}&Zd9p֚ e:|hL``b/d9p? fgg+%%hMgXosج, ΩOl0Zh=xdjLmhݻoO[g_l,8a]٭+ӧ0$I]c]:粹:Teꢢ"5a^Kgh,&= =՟^߶“ߢE ܹS J}I%:8 IDAT~,9/ʃPW'Mo}zNƍ쨓zPbNZ~^z=4mswg;5 Y~SVMRXUյڱRf?s:w ;6H:ºi5-maM&O3;1IKeamZh͛7+##v+c ~u~ca]GnF'ټL~PPPbn voC4R,ӟgg %hq}@#M4IÇ Oy^xMZx ) yOw@HkN˖-Sǎmb]X@n+i͖!++K3gd\$mt$^YfJ\8PRF)77Wא!Cl$i:@@_oG I{$# 8磌ŋ91A (Im7֭>}ߴJq7ޗt^ -[ԩSj*}%]&' -ɓ'ꫯVzzvB#;a 7@GxI{j޼ƌ.LÇWBB7`O"I$/@R @eee@۷>}0,ɒ2$53Xs|cS~rpTYYY} kHc %&k.], @ADADADADADADADADA@lT<%''*Lo^={رc5h %$+CnܸQ3fҥK}vUVVs9G R,_{xˇ3o߾;TTTd}馛]uuuG~iԩ@4bnvmvfϞ /Peeeq}}za I~,誫{UWW뮻}_~YƍSMMMYχ֝waw\ďcxꩧtEƍկ_?۷5@u?1kNׯWzz/wy>}zj3 k(ٺuq_Zvf̘:~ ABQ&r|!%KҥKgԞ={<_X-z !CyFUUz~ ABQIIIjݺW$UXXDٳZ~ ABQƍecW$<(~<RSSvZujjjԧOZQu@4 8m&&&jԩg$ď1h ͟?_{768@g =@`)))5o6m3)ѣƌJ;wҿUTT /KZR{~a=@0o<*狔iFɶ[ˎ;T]]OX@?K.ۈxN pppppppppppppppppPfl߾] ,{ァk۶mڿo5BTӦMӴiӴ|r DB2e|An!Dy'tkΝ[A $***t5' "!駟oaDnΝ:t֭[gDШQ06qD;@ x M6v(PiizmZ4ew"@̴ixf [~-Fٱc&IZ2|n!?$@{[HTɏ#@hȎI# _m(F /6Z3z'\r,r!;w2Z3j=~GY7"I$iI.p_"?pN`y DD?: _  Gÿab7J !Bx@0 Bo cG@`1C[@0G @`0C_u V1 aCX>W ` | `!<S `"<. `#c`?cAC4 ?c p#~@0?:08&_MQ1J h#?/`7;I  q 7a wQ A 1 Hp !#<8/#@1Ul7=S=K.4Z?E_$i@!1!E4?`P_  @Bă10#: "aU,xbFY1 [n|n #'vEH:`xb #vD4Y hi.i&EΖv#O H4IŶ}:Ikh @tZRF#(tXҙzZ ?I3l7q@õ|ۍ1,GpuY Ꮿ@hJv#xxk$ v#9 5 }_$c S#=+"K{F*m7`#%H:NRSp6I?sIՖ{Ap$I$I:QRv2$Z @UJ*$]<FO4IENDB`