github-actions[bot]
1 line
4.3 KiB
Lua
1 line
4.3 KiB
Lua
local a={_version="0.1.2"}local b;local c={["\\"]="\\",["\""]="\"",["\b"]="b",["\f"]="f",["\n"]="n",["\r"]="r",["\t"]="t"}local d={["/"]="/"}for a,b in pairs(c)do d[b]=a end;local function e(a)return"\\"..(c[a]or string.format("u%04x",a:byte()))end;local function c(a)return"null"end;local function f(a,c)local d={}c=c or{}if c[a]then error("circular reference")end;c[a]=true;if rawget(a,1)~=nil or next(a)==nil then local e=0;for a in pairs(a)do if type(a)~="number"then error("invalid table: mixed or invalid key types")end;e=e+1 end;if e~=#a then error("invalid table: sparse array")end;for a,a in ipairs(a)do table.insert(d,b(a,c))end;c[a]=nil;return"["..table.concat(d,",").."]"else for a,e in pairs(a)do if type(a)~="string"then error("invalid table: mixed or invalid key types")end;table.insert(d,b(a,c)..":"..b(e,c))end;c[a]=nil;return"{"..table.concat(d,",").."}"end end;local function g(a)return'"'..a:gsub('[%z\1-\31\\"]',e)..'"'end;local function e(a)if a~=a or a<=-math.huge or a>=math.huge then error("unexpected number value '"..tostring(a).."'")end;return string.format("%.14g",a)end;local c={["nil"]=c,["table"]=f,["string"]=g,["number"]=e,["boolean"]=tostring}b=function(a,b)local d=type(a)local c=c[d]if c then return c(a,b)end;error("unexpected type '"..d.."'")end;function a.encode(a)return b(a)end;local b;local function c(...)local a={}for b=1,select("#",...)do a[select(b,...)]=true end;return a end;local e=c(" ","\t","\r","\n")local f=c(" ","\t","\r","\n","]","}",",")local g=c("\\","/",'"',"b","f","n","r","t","u")local c=c("true","false","null")local h={["true"]=true,["false"]=false,["null"]=nil}local function i(a,b,c,d)for b=b,#a do if c[a:sub(b,b)]~=d then return b end end;return#a+1 end;local function j(a,b,c)local d=1;local e=1;for b=1,b-1 do e=e+1;if a:sub(b,b)=="\n"then d=d+1;e=1 end end;error(string.format("%s at line %d col %d",c,d,e))end;local function k(a)local b=math.floor;if a<=127 then return string.char(a)elseif a<=2047 then return string.char(b(a/64)+192,a%64+128)elseif a<=65535 then return string.char(b(a/4096)+224,b(a%4096/64)+128,a%64+128)elseif a<=1114111 then return string.char(b(a/262144)+240,b(a%262144/4096)+128,b(a%4096/64)+128,a%64+128)end;error(string.format("invalid unicode codepoint '%x'",a))end;local function l(a)local b=tonumber(a:sub(1,4),16)local a=tonumber(a:sub(7,10),16)if a then return k((b-55296)*1024+a-56320+65536)else return k(b)end end;local function k(a,b)local c=""local e=b+1;local f=e;while e<=#a do local b=a:byte(e)if b<32 then j(a,e,"control character in string")elseif b==92 then c=c..a:sub(f,e-1)e=e+1;local b=a:sub(e,e)if b=="u"then local a=a:match("^[dD][89aAbB]%x%x\\u%x%x%x%x",e+1)or a:match("^%x%x%x%x",e+1)or j(a,e-1,"invalid unicode escape in string")c=c..l(a)e=e+#a else if not g[b]then j(a,e-1,"invalid escape char '"..b.."' in string")end;c=c..d[b]end;f=e+1 elseif b==34 then c=c..a:sub(f,e-1)return c,e+1 end;e=e+1 end;j(a,b,"expected closing quote for string")end;local function d(a,b)local c=i(a,b,f)local d=a:sub(b,c-1)local e=tonumber(d)if not e then j(a,b,"invalid number '"..d.."'")end;return e,c end;local function g(a,b)local d=i(a,b,f)local e=a:sub(b,d-1)if not c[e]then j(a,b,"invalid literal '"..e.."'")end;return h[e],d end;local function c(a,c)local d={}local f=1;c=c+1;while 1 do local g;c=i(a,c,e,true)if a:sub(c,c)=="]"then c=c+1;break end;g,c=b(a,c)d[f]=g;f=f+1;c=i(a,c,e,true)local b=a:sub(c,c)c=c+1;if b=="]"then break end;if b~=","then j(a,c,"expected ']' or ','")end end;return d,c end;local function f(a,c)local d={}c=c+1;while 1 do local f,g;c=i(a,c,e,true)if a:sub(c,c)=="}"then c=c+1;break end;if a:sub(c,c)~='"'then j(a,c,"expected string for key")end;f,c=b(a,c)c=i(a,c,e,true)if a:sub(c,c)~=":"then j(a,c,"expected ':' after key")end;c=i(a,c+1,e,true)g,c=b(a,c)d[f]=g;c=i(a,c,e,true)local b=a:sub(c,c)c=c+1;if b=="}"then break end;if b~=","then j(a,c,"expected '}' or ','")end end;return d,c end;local c={['"']=k,["0"]=d,["1"]=d,["2"]=d,["3"]=d,["4"]=d,["5"]=d,["6"]=d,["7"]=d,["8"]=d,["9"]=d,["-"]=d,["t"]=g,["f"]=g,["n"]=g,["["]=c,["{"]=f}b=function(a,b)local d=a:sub(b,b)local c=c[d]if c then return c(a,b)end;j(a,b,"unexpected character '"..d.."'")end;function a.decode(a)if type(a)~="string"then error("expected argument of type string, got "..type(a))end;local b,c=b(a,i(a,1,e,true))c=i(a,c,e,true)if c<=#a then j(a,c,"trailing garbage")end;return b end;return a |