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Remove the tab removal script again

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Desour 2024-03-21 17:31:11 +01:00 committed by sfan5
parent dd1043c4c0
commit 594e88bf3b
1 changed files with 0 additions and 87 deletions
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87
replace_non_leading_tabs.lua
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@ -1,87 +0,0 @@
#!/bin/env luajit
-- SPDX-FileCopyrightText: 2024 DS
--
-- SPDX-License-Identifier: Apache-2.0
local function string_width(s)
local w = 0
for i = 1, #s do
if s:sub(i,i) == "\t" then
w = w + 4
else
w = w + 1 -- (just an estimate. works well for most of ascii)
end
end
return w
end
local path = ...
assert(path, "No path given")
local file = assert(io.open(path, "r"))
local lines_new = {}
local in_multiline_comment = false
for line in file:lines() do
local line_new = {}
local line_new_columns = 0
local function add_to_line_new(s)
table.insert(line_new, s)
line_new_columns = line_new_columns + string_width(s)
end
-- skip leading tabs
local i = line:find("[^\t]") or #line + 1
add_to_line_new(string.rep("\t", i-1))
while i <= #line do
if in_multiline_comment then
local j = line:find("*/", i, true)
if j then
add_to_line_new(line:sub(i, j+1))
in_multiline_comment = false
i = j + 2
else
add_to_line_new(line:sub(i))
i = #line + 1
end
else
local j = line:find("\t", i, true) or #line + 1
j = math.min(j, line:find("/*", i, true) or #line + 1)
j = math.min(j, line:find("//", i, true) or #line + 1)
if j ~= #line + 1 then
add_to_line_new(line:sub(i, j-1))
if line:sub(j, j) == "\t" then
add_to_line_new(string.rep(" ", 4 - (line_new_columns % 4)))
i = j + 1
elseif line:sub(j, j+1) == "/*" then
add_to_line_new("/*")
in_multiline_comment = true
i = j + 2
else -- //
add_to_line_new(line:sub(j))
i = #line + 1
end
else
add_to_line_new(line:sub(i))
i = #line + 1
end
end
end
line_new = table.concat(line_new)
table.insert(lines_new, line_new)
end
file:close()
-- new line at end of file
table.insert(lines_new, "")
lines_new = table.concat(lines_new, "\n")
file = assert(io.open(path, "w"))
assert(file:write(lines_new))
file:close()