| | require "utils"
function dot(a,b) local r=0
if #a~=#b then error "invalid args" end
for i=1,#a do r=r+a[i]*b[i] end
return r
end
T=template{
c1=dot( {1,2,3}, {6,7,8} ),
c2=dot( {1,2,3,4,5}, {6.1,7.3,8.0,9,10} ),
}
print(T[[
/* main.c */
#include <stdio.h>
int main(int argc,char** argv) {
printf("{{c1}}\n");
printf("{{c2}}\n");
return 0;
}
]])
| | utils.lua | | | function base64(s)
local n,a,res,b64
b64='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='
n=0 a=0 s=s:gsub('[^A-Za-z0-9+/=]','');
local function ch(a,r,n) local x={}
a=a>>r for i=1,n do x[i]=(a>>8*(n-i))&255 end
return string.char(table.unpack(x))
end
local function tl() local r=''
if n==3 then r=ch(a,2,2)
elseif n==2 then r=ch(a,4,1) end
return r
end
res=s:gsub('[A-Za-z0-9+/=]',function(x) local r=''
if x=='=' then r=tl() n=4 else
a=a*64+b64:find(x)-1 n=n+1
if n==4 then r=ch(a,0,3) n=0 a=0 end
end
return r
end)
return res..tl()
end
function create(name,decoder) decoder=decoder or base64
local f=io.open(name,"wb")
return function(data) f:write(decoder(data)) f:close() end
end
function xml_encode(x)
local tab={ ['<']='<',['>']='>',
['&']='&',['"']='"',["'"]=''' }
return x:gsub("[<>&'\"]",function(v) return tab[v] end)
end
function template(G) G=G or _G local get_fn
function get_fn(m) local fn
fn=function(t) if t==nil then return fn end
if type(t)=='table' then G=setmetatable(t,{__index=G}) return fn end
if type(t)=='function' then
if m then return get_fn(function(x) return m(t(x)) end) end
return get_fn(t)
end
local r=t:gsub('{{([^}]+)}}',function(v)
local g=G for i in v:gmatch("[^%.]+") do
local p,fn=i:find('|')
if p then fn=i:sub(p+1) i=i:sub(1,p-1) end
if type(g[i])=='function' then g=g[i]() else g=g[i]
if g==nil then error("no variable "..i.." in {{"..v.."}}") end
end
if p then fn:gsub('[^|]+',function(f)
if G[f]==nil then error("no function "..fn.." in {{"..v.."}}") end
g=G[f](g)
end)
end
end
return g
end)
if m then r=m(r) end
return r
end
return fn
end
return get_fn()
end
function create_text(name,G) return create(name,template(G)) end
function ansi_encode(x)
local tab={ ['\0']='\\0',['\n']='\\n',['\r']='\\r',
['\t']='\\t',['\a']='\\a',['\\']='\\\\',['"']='\\"' };
return x:gsub('[\x00-\x1f\\\"\x80-\xFF]',function(v)
if tab[v]~=null then return tab[v] end
return string.format("\\x%02X",string.byte(v))
end)
end
function hex_encode(x)
return x:gsub('.',function(v)
return string.format("%02X",string.byte(v))
end)
end
function string.split(s,delim,limit,plain)
local res,pos,t,h={},1
delim=delim or ',' limit=limit or 0 plain=plain or false
while pos do
h,t=s:find(delim,pos,plain)
if h then h=h-1 t=t+1 end
limit=limit-1 if limit==0 then h=null t=null end
table.insert(res,s:sub(pos,h))
pos=t
end
return res
end
| | | | |
