67 lines
1.8 KiB
Lua
67 lines
1.8 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local error, io, ipairs, minetest, pairs, string, type
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= error, io, ipairs, minetest, pairs, string, type
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local io_open, string_format, string_gsub
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= io.open, string.format, string.gsub
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-- LUALOCALS > ---------------------------------------------------------
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local include = ...
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local mediacache = include("mediacache")
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local function getdir(s)
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if not minetest.mkdir(s) then return error(string_format("failed to mkdir %q", s)) end
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return s
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end
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local cpfile
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do
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local buffsize = 1048576
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cpfile = function(src, dst, force)
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if not force then
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local done = io_open(dst, "rb")
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if done then
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done:close()
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return true
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end
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end
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local sf = io_open(src, "rb")
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if not sf then return error(string_format("failed to read %q", src)) end
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local df = io_open(dst, "wb")
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if not sf then return error(string_format("failed to write %q", dst)) end
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while true do
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local chunk = sf:read(buffsize)
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if not chunk then
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sf:close()
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df:close()
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return true
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end
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df:write(chunk)
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end
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end
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end
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local function ripmedia(reffed, thing, dest, rel, test)
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test = test or function(a, b) return a == b end
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local foundany
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if type(thing) == "string" then
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for _, s in ipairs(string_gsub(thing, "[\\[:,=&{()]", "^"):split("^")) do
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for k, v in pairs(mediacache) do
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if test(s, k) then
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local fulldest = getdir(dest .. "/" .. rel) .. "/" .. k
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cpfile(v.path, fulldest)
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reffed[fulldest] = v
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foundany = true
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end
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end
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end
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elseif type(thing) == "table" then
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if thing.name then return ripmedia(reffed, thing.name, dest, rel, test) end
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for _, v in pairs(thing) do
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foundany = ripmedia(reffed, v, dest, rel, test) or foundany
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end
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end
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return foundany
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end
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return getdir, ripmedia
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