92 lines
1.8 KiB
Lua
92 lines
1.8 KiB
Lua
|
|
--
|
|
-- Util.lua
|
|
--
|
|
-- Provides some common utilities shared throughout the project.
|
|
--
|
|
|
|
local function lookupify(tb)
|
|
for _, v in pairs(tb) do
|
|
tb[v] = true
|
|
end
|
|
return tb
|
|
end
|
|
|
|
|
|
local function CountTable(tb)
|
|
local c = 0
|
|
for _ in pairs(tb) do c = c + 1 end
|
|
return c
|
|
end
|
|
|
|
|
|
local function PrintTable(tb, atIndent)
|
|
if tb.Print then
|
|
return tb.Print()
|
|
end
|
|
atIndent = atIndent or 0
|
|
local useNewlines = (CountTable(tb) > 1)
|
|
local baseIndent = string.rep(' ', atIndent+1)
|
|
local out = "{"..(useNewlines and '\n' or '')
|
|
for k, v in pairs(tb) do
|
|
if type(v) ~= 'function' then
|
|
--do
|
|
out = out..(useNewlines and baseIndent or '')
|
|
if type(k) == 'number' then
|
|
--nothing to do
|
|
elseif type(k) == 'string' and k:match("^[A-Za-z_][A-Za-z0-9_]*$") then
|
|
out = out..k.." = "
|
|
elseif type(k) == 'string' then
|
|
out = out.."[\""..k.."\"] = "
|
|
else
|
|
out = out.."["..tostring(k).."] = "
|
|
end
|
|
if type(v) == 'string' then
|
|
out = out.."\""..v.."\""
|
|
elseif type(v) == 'number' then
|
|
out = out..v
|
|
elseif type(v) == 'table' then
|
|
out = out..PrintTable(v, atIndent+(useNewlines and 1 or 0))
|
|
else
|
|
out = out..tostring(v)
|
|
end
|
|
if next(tb, k) then
|
|
out = out..","
|
|
end
|
|
if useNewlines then
|
|
out = out..'\n'
|
|
end
|
|
end
|
|
end
|
|
out = out..(useNewlines and string.rep(' ', atIndent) or '').."}"
|
|
return out
|
|
end
|
|
|
|
|
|
local function splitLines(str)
|
|
if str:match("\n") then
|
|
local lines = {}
|
|
for line in str:gmatch("[^\n]*") do
|
|
table.insert(lines, line)
|
|
end
|
|
assert(#lines > 0)
|
|
return lines
|
|
else
|
|
return { str }
|
|
end
|
|
end
|
|
|
|
|
|
local function printf(fmt, ...)
|
|
return print(string.format(fmt, ...))
|
|
end
|
|
|
|
|
|
return {
|
|
PrintTable = PrintTable,
|
|
CountTable = CountTable,
|
|
lookupify = lookupify,
|
|
splitLines = splitLines,
|
|
printf = printf,
|
|
}
|