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Format file.lua

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Lars Mueller 2020-12-22 11:32:35 +01:00
parent f39596efb6
commit 2e4f03c94e
1 changed files with 73 additions and 69 deletions
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142
file.lua
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@ -1,92 +1,96 @@
function read(filename) function read(filename)
local file=io.open(filename,"r") local file = io.open(filename, "r")
if file==nil then if file == nil then return nil end
return nil local content = file:read"*a"
end file:close()
local content=file:read("*a") return content
file:close()
return content
end end
function write(filename, new_content) function write(filename, new_content)
local file=io.open(filename,"w") local file = io.open(filename, "w")
if file==nil then if file == nil then return false end
return false file:write(new_content)
end file:close()
file:write(new_content) return true
file:close()
return true
end end
function append(filename, new_content) function append(filename, new_content)
local file=io.open(filename,"a") local file = io.open(filename, "a")
if file==nil then if file == nil then return false end
return false file:write(new_content)
end file:close()
file:write(new_content) return true
file:close()
return true
end end
function exists(filename) function exists(filename)
local file=io.open(filename, "r") local file = io.open(filename, "r")
if file==nil then if file == nil then return false end
return false file:close()
end return true
file:close()
return true
end end
function create_if_not_exists(filename, content) function create_if_not_exists(filename, content)
if not exists(filename) then if not exists(filename) then
write(filename, content or "") write(filename, content or "")
return true return true
end end
return false return false
end
function create_if_not_exists_from_file(filename, src_filename)
return create_if_not_exists(filename, read(src_filename))
end end
function create_if_not_exists_from_file(filename, src_filename) return create_if_not_exists(filename, read(src_filename)) end
-- Process Bridge Helpers -- Process Bridge Helpers
process_bridges={} process_bridges = {}
function process_bridge_build(name, input, output, logs) function process_bridge_build(name, input, output, logs)
if not input or not output or not logs then if not input or not output or not logs then
minetest.mkdir(minetest.get_worldpath().."/bridges/"..name) minetest.mkdir(minetest.get_worldpath() .. "/bridges/" .. name)
end end
input=input or minetest.get_worldpath().."/bridges/"..name.."/input.txt" input = input or minetest.get_worldpath() .. "/bridges/" .. name .. "/input.txt"
output=output or minetest.get_worldpath().."/bridges/"..name.."/output.txt" output = output or minetest.get_worldpath() .. "/bridges/" .. name .. "/output.txt"
logs=logs or minetest.get_worldpath().."/bridges/"..name.."/logs.txt" logs = logs or minetest.get_worldpath() .. "/bridges/" .. name .. "/logs.txt"
-- Clear input -- Clear input
write(input, "") write(input, "")
-- Clear output -- Clear output
write(output, "") write(output, "")
-- Create logs if not exists -- Create logs if not exists
create_if_not_exists(logs, "") create_if_not_exists(logs, "")
process_bridges[name]={input=input, output=output, logs=logs, output_file=io.open(output,"a")} process_bridges[name] = {
input = input,
output = output,
logs = logs,
output_file = io.open(output, "a")
}
end end
function process_bridge_listen(name, line_consumer, step) function process_bridge_listen(name, line_consumer, step)
local bridge=process_bridges[name] local bridge = process_bridges[name]
modlib.minetest.register_globalstep(step or 0.1, function(dtime) modlib.minetest.register_globalstep(step or 0.1, function(dtime)
local content=io.open(bridge.input, "r") local content = io.open(bridge.input, "r")
local line=content:read() local line = content:read()
while line do while line do
line_consumer(line) line_consumer(line)
line=content:read() line = content:read()
end end
write(bridge.input, "") write(bridge.input, "")
end) end)
end end
function process_bridge_serve(name, step) function process_bridge_serve(name, step)
local bridge=process_bridges[name] local bridge = process_bridges[name]
modlib.minetest.register_globalstep(step or 0.1, function(dtime) modlib.minetest.register_globalstep(step or 0.1, function(dtime)
bridge.output_file:close() bridge.output_file:close()
process_bridges[name].output_file=io.open(bridge.output,"a") process_bridges[name].output_file = io.open(bridge.output, "a")
end) end)
end end
function process_bridge_write(name, message) function process_bridge_write(name, message)
local bridge=process_bridges[name] local bridge = process_bridges[name]
bridge.output_file:write(message.."\n") bridge.output_file:write(message .. "\n")
--append(bridge.input, message) -- append(bridge.input, message)
end end
function process_bridge_start(name, command, os_execute) function process_bridge_start(name, command, os_execute)
local bridge=process_bridges[name] local bridge = process_bridges[name]
os_execute(string.format(command, bridge.output, bridge.input, bridge.logs)) os_execute(string.format(command, bridge.output, bridge.input, bridge.logs))
end end