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@ -27,35 +27,28 @@ local function getIfosInDir(path)
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-- - No sorting, entries are processed in the order the dir_read_name() call
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-- returns them (inodes linked list)
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-- - If entry is a directory, Walk in it first and recurse
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-- With a small optimisation to avoid walking dict subdirectories that
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-- may contain many images: if .ifo found, don't recurse subdirectories.
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-- Don't walk into "res/" subdirectories, as per Stardict specs, they
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-- may contain possibly many resource files (image, audio files...)
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-- that could slow down our walk here.
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local ifos = {}
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local ok, iter, dir_obj = pcall(lfs.dir, path)
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if ok then
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local ifo_found = false
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local subdirs = {}
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for name in iter, dir_obj do
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if name ~= "." and name ~= ".." then
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if name ~= "." and name ~= ".." and name ~= "res" then
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local fullpath = path.."/"..name
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if fullpath:match("%.ifo$") then
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table.insert(ifos, fullpath)
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ifo_found = true
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elseif not ifo_found then -- don't check for dirs anymore if we found one .ifo
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local attributes = lfs.attributes(fullpath)
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if attributes ~= nil and attributes.mode == "directory" then
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table.insert(subdirs, fullpath)
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local attributes = lfs.attributes(fullpath)
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if attributes ~= nil then
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if attributes.mode == "directory" then
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local dirifos = getIfosInDir(fullpath) -- recurse
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for _, ifo in pairs(dirifos) do
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table.insert(ifos, ifo)
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end
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elseif fullpath:match("%.ifo$") then
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table.insert(ifos, fullpath)
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end
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end
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end
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end
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if not ifo_found and #subdirs > 0 then
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for _, subdir in pairs(subdirs) do
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local dirifos = getIfosInDir(subdir)
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for _, ifo in pairs(dirifos) do
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table.insert(ifos, ifo)
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end
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end
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end
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end
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return ifos
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end
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