sbrl-github/Minetest-WorldEditAdditions
1
0
Fork 0
mirror of https://github.com/sbrl/Minetest-WorldEditAdditions.git synced 2024-12-23 12:05:01 +00:00
Code Issues Releases Wiki Activity

split_shell: fix escape handling by unwinding escaping by 1 level

Browse source
This commit is contained in:
Starbeamrainbowlabs 2021-07-28 17:54:44 +01:00
parent c282e286bb
commit 6a77b3cd21
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
1 changed files with 15 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
worldeditadditions/utils/strings/split_shell.lua
View file

@ -2,6 +2,15 @@ function is_whitespace(char)
return char == " " or char == "\t" or char == "\r" or char == "\n"
end
local function table_map(tbl, func)
local result = {}
for i,value in ipairs(tbl) do
local newval = func(value, i)
if newval ~= nil then table.insert(result, newval) end
end
return result
end
function split_shell(text)
local text_length = #text
local scan_pos = 1
@ -60,7 +69,11 @@ function split_shell(text)
if #acc > 0 then
table.insert(result, table.concat(acc, ""))
end
return result
-- Unwind all escapes by 1 level
return table_map(result, function(str)
return str:gsub("\\([\"'\\])", "%1")
end)
end
function test(text)
@ -74,7 +87,7 @@ end
test("yay yay yay")
test("yay \"yay yay\" yay")
test("yay \"yay\\\" yay\" yay")
test("yay \"yay 'inside quotes' yay\" yay")
test("yay \"yay 'inside quotes' yay\\\"\" yay")
test("yay 'inside quotes' another")
test("y\"ay \"yay 'in\\\"side quotes' yay\" y\\\"ay")