yazi/yazi-plugin/preset/plugins/mime.lua

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local SUPPORTED_TYPES = "application/audio/biosig/chemical/font/image/inode/message/model/rinex/text/vector/video/x-epoc/"
local M = {}
local function match_mimetype(s)
local type, sub = s:match("([-a-z]+/)([+-.a-zA-Z0-9]+)%s*$")
if type and sub and string.find(SUPPORTED_TYPES, type, 1, true) then
return type .. sub
end
end
2024-05-20 12:25:55 +03:00
function M:prefetch()
local urls = {}
for _, file in ipairs(self.files) do
urls[#urls + 1] = tostring(file.url)
end
local cmd = os.getenv("YAZI_FILE_ONE") or "file"
local child, code = Command(cmd):args({ "-bL", "--mime-type" }):args(urls):stdout(Command.PIPED):spawn()
if not child then
ya.err(string.format("Spawn `%s` command returns %s", cmd, code))
return 0
end
local updates, last = {}, ya.time()
local flush = function(force)
if not force and ya.time() - last < 0.3 then
return
end
if next(updates) then
ya.manager_emit("update_mimetype", { updates = updates })
updates, last = {}, ya.time()
end
end
local i, j, valid = 1, 0, nil
repeat
local line, event = child:read_line_with { timeout = 300 }
if event == 3 then
flush(true)
goto continue
elseif event ~= 0 then
break
end
valid = match_mimetype(line)
if valid and string.find(line, valid, 1, true) ~= 1 then
goto continue
elseif valid then
j, updates[urls[i]] = j + 1, valid
flush(false)
end
i = i + 1
::continue::
until i > #urls
flush(true)
return j == #urls and 3 or 2
end
return M