Improve `common.serialize` (#1640)

* Make `common.serialize` more locale-independent

* Handle inf/nan numbers in `common.serialize`
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Guldoman 2023-10-18 06:45:52 +02:00 committed by takase1121
parent 1ad3b70e9e
commit a066190ee2
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1 changed files with 11 additions and 2 deletions

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@ -378,12 +378,15 @@ function common.bench(name, fn, ...)
return res
end
-- From gvx/Ser
local oddvals = {[tostring(1/0)] = "1/0", [tostring(-1/0)] = "-1/0", [tostring(-(0/0))] = "-(0/0)", [tostring(0/0)] = "0/0"}
local function serialize(val, pretty, indent_str, escape, sort, limit, level)
local space = pretty and " " or ""
local indent = pretty and string.rep(indent_str, level) or ""
local newline = pretty and "\n" or ""
if type(val) == "string" then
local ty = type(val)
if ty == "string" then
local out = string.format("%q", val)
if escape then
out = string.gsub(out, "\\\n", "\\n")
@ -395,7 +398,7 @@ local function serialize(val, pretty, indent_str, escape, sort, limit, level)
out = string.gsub(out, "\\13", "\\r")
end
return out
elseif type(val) == "table" then
elseif ty == "table" then
-- early exit
if level >= limit then return tostring(val) end
local next_indent = pretty and (indent .. indent_str) or ""
@ -410,6 +413,12 @@ local function serialize(val, pretty, indent_str, escape, sort, limit, level)
if sort then table.sort(t) end
return "{" .. newline .. table.concat(t, "," .. newline) .. newline .. indent .. "}"
end
if ty == "number" then
-- tostring is locale-dependent, so we need to replace an eventual `,` with `.`
local res, _ = tostring(val):gsub(",", ".")
-- handle inf/nan
return oddvals[res] or res
end
return tostring(val)
end