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------------------------------------------------------------------------------
-- luamark.lua:
-- Lua map marker handling.
------------------------------------------------------------------------------
dofile('clua/lm_pdesc.lua')
dofile('clua/lm_1way.lua')
dofile('clua/lm_timed.lua')
dofile('clua/lm_flags.lua')
dofile('clua/lm_fog.lua')
function dlua_marker_function(table, name)
return table[name]
end
function dlua_marker_method(table, name, marker, ...)
if table[name] then
return table[name](table, marker, ...)
end
end
function dlua_marker_read(fn, marker, th)
return fn({ }, marker, th)
end
lmark = { }
-- Marshalls a table comprising of keys that are strings or numbers only,
-- and values that are strings, numbers, functions, or tables only. The table
-- cannot have cycles, and the table's metatable is not preserved.
function lmark.marshall_table(th, table)
if not table then
file.marshall(th, -1)
return
end
-- Count the number of elements first (ugh)
local nsize = 0
local tsize = 0
for _, v in pairs(table) do
if type(v) == 'table' then
tsize = tsize + 1
else
nsize = nsize + 1
end
end
file.marshall(th, nsize)
for key, value in pairs(table) do
if type(value) ~= 'table' then
file.marshall_meta(th, key)
file.marshall_meta(th, value)
end
end
file.marshall(th, tsize)
for key, value in pairs(table) do
if type(value) == 'table' then
file.marshall_meta(th, key)
lmark.marshall_table(th, value)
end
end
end
-- Unmarshals a table marshaled by marshall_table.
function lmark.unmarshall_table(th)
local nsize = file.unmarshall_number(th)
if nsize == -1 then
return nil
end
local ret = { }
for i = 1, nsize do
local key = file.unmarshall_meta(th)
local val = file.unmarshall_meta(th)
ret[key] = val
end
local tsize = file.unmarshall_number(th)
for i = 1, tsize do
local key = file.unmarshall_meta(th)
local val = lmark.unmarshall_table(th)
ret[key] = val
end
return ret
end
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