forked from github/server
91ec503b43
1. move xml configuration reading to a separate module, it's compliated. 2. move the map file to the main scripts folder.
95 lines
3.7 KiB
Lua
95 lines
3.7 KiB
Lua
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-- Return indentation string for passed level
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---------------------------------------------
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local function tabs(i)
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return string.rep(".",i).." " -- Dots followed by a space
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end
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-----------------------------------------------------------
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-- Return string representation of parameter's value & type
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-----------------------------------------------------------
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local function toStrType(t)
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local function fttu2hex(t) -- Grab hex value from tostring() output
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local str = tostring(t);
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if str == nil then
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return "tostring() failure! \n"
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else
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local str2 = string.match(str,"[ :][ (](%x+)")
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if str2 == nil then
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return "string.match() failure: "..str.."\n"
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else
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return "0x"..str2
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end
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end
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end
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-- Stringify a value of a given type using a table of functions keyed
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-- by the name of the type (Lua's version of C's switch() statement).
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local stringify = {
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-- Keys are all possible strings that type() may return,
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-- per http://www.lua.org/manual/5.1/manual.html#pdf-type.
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["nil"] = function(v) return "nil (nil)" end,
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["string"] = function(v) return '"'..v..'" (string)' end,
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["number"] = function(v) return v.." (number)" end,
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["boolean"] = function(v) return tostring(v).." (boolean)" end,
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["function"] = function(v) return fttu2hex(v).." (function)" end,
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["table"] = function(v) return fttu2hex(v).." (table)" end,
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["thread"] = function(v) return fttu2hex(v).." (thread)" end,
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["userdata"] = function(v) return fttu2hex(v).." (userdata)" end
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}
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return stringify[type(t)](t)
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end
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-------------------------------------
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-- Count elements in the passed table
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-------------------------------------
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local function lenTable(t) -- What Lua builtin does this simple thing?
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local n=0 -- '#' doesn't work with mixed key types
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if ("table" == type(t)) then
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for key in pairs(t) do -- Just count 'em
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n = n + 1
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end
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return n
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else
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return nil
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end
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end
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--------------------------------
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-- Pretty-print the passed table
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--------------------------------
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local function do_dumptable(t, indent, seen)
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-- "seen" is an initially empty table used to track all tables
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-- that have been dumped so far. No table is dumped twice.
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-- This also keeps the code from following self-referential loops,
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-- the need for which was found when first dumping "_G".
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if ("table" == type(t)) then -- Dump passed table
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seen[t] = 1
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if (indent == 0) then
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print ("The passed table has "..lenTable(t).." entries:")
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indent = 1
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end
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for f,v in pairsByKeys(t) do
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if ("table" == type(v)) and (seen[v] == nil) then -- Recurse
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print( tabs(indent)..toStrType(f).." has "..lenTable(v).." entries: {")
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do_dumptable(v, indent+1, seen)
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print( tabs(indent).."}" )
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else
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print( tabs(indent)..toStrType(f).." = "..toStrType(v))
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end
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end
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else
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print (tabs(indent).."Not a table!")
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end
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end
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--------------------------------
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-- Wrapper to handle persistence
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--------------------------------
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function dumptable(t) -- Only global declaration in the package
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-- This wrapper exists only to set the environment for the first run:
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-- The second param is the indentation level.
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-- The third param is the list of tables dumped during this call.
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-- Getting this list allocated and freed was a pain, and this
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-- wrapper was the best solution I came up with...
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return do_dumptable(t, 0, {})
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end
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