template.lua

-- Penlight 1.11.0-1 | /lua/pl/template.lua | https://github.com/lunarmodules/Penlight | License: MIT | Minified using https://www.npmjs.com/package/luamin/v/1.0.4
-- Copyright (C) 2009-2016 Steve Donovan, David Manura.
-- Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-- The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
local a=require'pl.utils'local b,c,d,e,f=table.insert,string.format,string.sub,string.find,string.gsub;local g="\n__R_size = __R_size + 1; __R_table[__R_size] = "local function h(i,j,k,l)local m=1;for n,o,p in j:gmatch(k)do o='('..d(o,2,-2)..')'b(i,g..c("%q",d(j,m,n-1)))b(i,g..c("__tostring(%s or '')",o))m=p end;local q;if l then q=c("%q",f(d(j,m),"\n",""))else q=c("%q",d(j,m))end;if q~='""'then b(i,g..q)end end;local function r(j,s,t,u,l)local k="()"..s.."(%b"..t..")()"local v=u.."+([^\n]*\n?)"local w,x="^"..v,"\n"..v;local i,m={"return function()\nlocal __R_size, __R_table, __tostring = 0, {}, __tostring",n=1},1;while true do local y,p,z=e(j,w,m)if not p then local A;A,p,z=e(j,x,m)h(i,d(j,m,A),k,l)if not p then break end end;if d(z,-1,-1)=="\n"then z=d(z,1,-2)end;b(i,"\n"..z)m=p+1 end;b(i,"\nreturn __R_table\nend")local B=false;if#i==3 and i[2]:find(g,1,true)==1 then i={"return "..i[2]:sub(#g+1,-1)}B=true end;return table.concat(i),B end;local C={}function C.substitute(D,E)E=E or{}local F,G=C.compile(D,{chunk_name=rawget(E,"_chunk_name"),escape=rawget(E,"_escape"),inline_escape=rawget(E,"_inline_escape"),inline_brackets=rawget(E,"_brackets"),newline=nil,debug=rawget(E,"_debug")})if not F then return F,G end;return F:render(E,rawget(E,"_parent"),rawget(E,"_debug"))end;local H=function(self,E,I,J)E=E or{}if I then setmetatable(E,{__index=I})end;setmetatable(self.env,{__index=E})local K,L=xpcall(self.fn,debug.traceback)if not K then if self.code and J then print(self.code)end;return nil,L,self.code end;return table.concat(L),nil,self.code end;function C.compile(D,M)M=M or{}local N=M.chunk_name or'TMP'local O=M.escape or'#'local s=M.inline_escape or'$'local P=M.inline_brackets or'()'local Q,B=r(D,s,P,O,M.newline)local E={__tostring=tostring}local R,G=a.load(Q,N,'t',E)if not R then return nil,G,Q end;if B then local S=R()return{fn=R(),env=E,render=function(self)return S,nil,self.code end,code=M.debug and Q or nil}end;return{fn=R(),env=E,render=H,code=M.debug and Q or nil}end;return C