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HyperionOS/Test/Hyperion-kernel-v0.1.0/lib/modules/Hyperion/00_stdlib.kmod
2025-12-08 21:42:20 -05:00

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function string.hasSuffix(str, suffix)
return string.sub(str, #suffix+1) == suffix
end
function string.hasPrefix(str, prefix)
return string.sub(str, 1, #prefix) == prefix
end
function string.getSuffix(str, prefix)
return string.sub(str, #prefix+1)
end
function string.getPrefix(str, suffix)
return string.sub(str, 1, #suffix)
end
function string.join(str, ...)
return table.concat(table.pack(str, ...))
end
function string.delim(str, ...)
return table.concat(table.pack(...), str)
end
function string.split(str, delim, maxResultCountOrNil)
assert(#delim == 1, "only delim len 1 supported for now")
maxResultCountOrNil = (maxResultCountOrNil or 0)-1
local rv = {}
local buf = ""
for i = 1, #str do
local c = string.sub(str,i,i)
if #rv ~= maxResultCountOrNil and c == delim then
table.insert(rv, buf)
buf = ""
else
buf = buf..c
end
end
table.insert(rv, buf)
return rv
end
function string.replace(str, search, replacement)
local rv = ""
local consumedLen = 1
local i = 1
while i<#str do
if string.sub(str, i, i+#search-1) == search then
rv = rv .. string.sub(str, consumedLen, i-1) .. replacement
i=i+#search
consumedLen = i
end
i=i+1
end
return rv .. string.sub(str, consumedLen)
end
function table.deepcopy(orig, copies)
copies = copies or {}
if type(orig) ~= 'table' then
return orig
elseif copies[orig] then
return copies[orig]
end
local copy = {}
copies[orig] = copy
for k, v in next, orig, nil do
local copied_key = table.deepcopy(k, copies)
local copied_val = table.deepcopy(v, copies)
copy[copied_key] = copied_val
end
return copy
end
function table.hasKey(tabl, query)
for i,v in pairs(tabl) do
if i==query then
return true
end
end
return false
end
function table.hasVal(tabl, query)
for i,v in pairs(tabl) do
if v==query then
return true
end
end
return false
end
local function serialize(table)
local output = "{"
for i,v in pairs(table) do
local coma=true
if type(i) == "string" then
output=output.."[\""..i.."\"]="
end
if type(v) == "table" then
if v == table then
output=string.sub(output,1,#output-(#i+1))
coma=false
else
output=output..serialize(v)
end
elseif type(v) == "string" then
output=output.."[=["..v.."]=]"
elseif type(v) == "number" then
output=output..tostring(v)
elseif type(v) == "boolean" then
if v == true then
output=output.."true"
else
output=output.."false"
end
elseif type(v) == "function" then
output=output.."function() end"
else
error("serialization of type \""..type(v).."\" is not supported")
end
if coma then
output=output..","
end
end
if #table>0 or string.sub(output,#output,#output) == "," then
output=string.sub(output,1,#output-1)
end
output=output.."}"
return output
end
table.serialize=serialize