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-- filename : luat-exe.lua
-- comment : companion to luat-lib.tex
-- author : Hans Hagen, PRAGMA-ADE, Hasselt NL
-- copyright: PRAGMA ADE / ConTeXt Development Team
-- license : see context related readme files
if not versions then versions = { } end versions['luat-exe'] = 1.001
if not executer then executer = { } end
executer.permitted = { }
executer.execute = os.execute
function executer.register(...)
for k,v in pairs({...}) do
if v == "*" then
table.insert(executer.permitted, ".*")
else
table.insert(executer.permitted, v)
end
end
end
function executer.finalize() -- todo: os.exec
do
local execute = os.execute
function executer.execute(...)
local t, name, arguments = {...}, "", ""
if #t == 1 then
if type(t[1]) == 'table' then
name, arguments = t[1], table.concat(t," ",2,#t)
else
name, arguments = string.match(t[1],"^(.-)%s+(.+)$")
if not (name and arguments) then
name, arguments = t[1], ""
end
end
else
name, arguments = t[1], table.concat(t," ",2,#t)
end
for _,v in pairs(executer.permitted) do
if string.find(name,v) then
execute(name .. " " .. arguments)
-- print("executed: " .. name .. " " .. arguments)
else
print("not permitted: " .. name .. " " .. arguments)
end
end
end
function executer.finalize()
print("executer is already finalized")
end
function executer.register(name)
print("executer is already finalized")
end
os.execute = executer.execute
end
end
--~ executer.register('.*')
--~ executer.register('*')
--~ executer.register('dir','ls')
--~ executer.register('dir')
--~ executer.finalize()
--~ executer.execute('dir',"*.tex")
--~ executer.execute("dir *.tex")
--~ executer.execute("ls *.tex")
--~ os.execute('ls')
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