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--[[
Based on https://github.com/lutobler/vis-commentary
Changes made:
- stylua
--]]
--
-- vis-commentary
--
local comment_string = {
actionscript = "//",
ada = "--",
ansi_c = "/*|*/",
antlr = "//",
apdl = "!",
apl = "#",
applescript = "--",
asp = "'",
autoit = ";",
awk = "#",
b_lang = "//",
bash = "#",
batch = ":",
bibtex = "%",
boo = "#",
chuck = "//",
cmake = "#",
coffeescript = "#",
context = "%",
cpp = "//",
crystal = "#",
csharp = "//",
css = "/*|*/",
cuda = "//",
dart = "//",
desktop = "#",
django = "{#|#}",
dmd = "//",
dockerfile = "#",
dot = "//",
eiffel = "--",
elixir = "#",
erlang = "%",
faust = "//",
fennel = ";;",
fish = "#",
forth = "|\\",
fortran = "!",
fsharp = "//",
gap = "#",
gettext = "#",
gherkin = "#",
glsl = "//",
gnuplot = "#",
go = "//",
groovy = "//",
gtkrc = "#",
haskell = "--",
html = "<!--|-->",
icon = "#",
idl = "//",
inform = "!",
ini = "#",
Io = "#",
java = "//",
javascript = "//",
json = "/*|*/",
jsp = "//",
latex = "%",
ledger = "#",
less = "//",
lilypond = "%",
lisp = ";",
logtalk = "%",
lua = "--",
makefile = "#",
markdown = "<!--|-->",
matlab = "#",
moonscript = "--",
myrddin = "//",
nemerle = "//",
nsis = "#",
objective_c = "//",
pascal = "//",
perl = "#",
php = "//",
pico8 = "//",
pike = "//",
pkgbuild = "#",
prolog = "%",
props = "#",
protobuf = "//",
ps = "%",
pure = "//",
python = "#",
rails = "#",
rc = "#",
rebol = ";",
rest = ".. ",
rexx = "--",
rhtml = "<!--|-->",
rstats = "#",
ruby = "#",
rust = "//",
sass = "//",
scala = "//",
scheme = ";",
smalltalk = '"|"',
sml = "(*)",
snobol4 = "#",
sql = "#",
tcl = "#",
tex = "%",
text = "",
toml = "#",
vala = "//",
vb = "'",
vbscript = "'",
verilog = "//",
vhdl = "--",
wsf = "<!--|-->",
xml = "<!--|-->",
yaml = "#",
zig = "//",
nim = "#",
julia = "#",
rpmspec = "#",
}
-- escape all magic characters with a '%'
local function esc(str)
if not str then
return ""
end
return (
str:gsub("%%", "%%%%")
:gsub("^%^", "%%^")
:gsub("%$$", "%%$")
:gsub("%(", "%%(")
:gsub("%)", "%%)")
:gsub("%.", "%%.")
:gsub("%[", "%%[")
:gsub("%]", "%%]")
:gsub("%*", "%%*")
:gsub("%+", "%%+")
:gsub("%-", "%%-")
:gsub("%?", "%%?")
)
end
-- escape '%'
local function pesc(str)
if not str then
return ""
end
return str:gsub("%%", "%%%%")
end
local function rtrim(s)
local n = #s
while n > 0 and s:find("^%s", n) do
n = n - 1
end
return s:sub(1, n)
end
local function comment_line(lines, lnum, prefix, suffix)
if suffix ~= "" then
suffix = " " .. suffix
end
lines[lnum] = string.gsub(lines[lnum], "(%s*)(.*)", "%1" .. pesc(prefix) .. " %2" .. pesc(suffix))
end
local function uncomment_line(lines, lnum, prefix, suffix)
local match_str = "^(%s*)" .. esc(prefix) .. "%s?(.*)" .. esc(suffix)
local m = table.pack(lines[lnum]:match(match_str))
lines[lnum] = m[1] .. rtrim(m[2])
end
local function is_comment(line, prefix)
return (line:match("^%s*(.+)"):sub(0, #prefix) == prefix)
end
local function toggle_line_comment(lines, lnum, prefix, suffix)
if not lines or not lines[lnum] then
return
end
if not lines[lnum]:match("^%s*(.+)") then
return
end -- ignore empty lines
if is_comment(lines[lnum], prefix) then
uncomment_line(lines, lnum, prefix, suffix)
else
comment_line(lines, lnum, prefix, suffix)
end
end
-- if one line inside the block is not a comment, comment the block.
-- only uncomment, if every single line is comment.
local function block_comment(lines, a, b, prefix, suffix)
local uncomment = true
for i = a, b do
if lines[i]:match("^%s*(.+)") and not is_comment(lines[i], prefix) then
uncomment = false
end
end
if uncomment then
for i = a, b do
if lines[i]:match("^%s*(.+)") then
uncomment_line(lines, i, prefix, suffix)
end
end
else
for i = a, b do
if lines[i]:match("^%s*(.+)") then
comment_line(lines, i, prefix, suffix)
end
end
end
end
vis:map(vis.modes.NORMAL, "gcc", function()
local win = vis.win
local lines = win.file.lines
local comment = comment_string[win.syntax]
if not comment then
return
end
local prefix, suffix = comment:match("^([^|]+)|?([^|]*)$")
if not prefix then
return
end
for sel in win:selections_iterator() do
local lnum = sel.line
local col = sel.col
toggle_line_comment(lines, lnum, prefix, suffix)
sel:to(lnum, col) -- restore cursor position
end
win:draw()
end, "Toggle comment on a the current line")
local function visual_f(i)
return function()
local win = vis.win
local lines = win.file.lines
local comment = comment_string[win.syntax]
if not comment then
return
end
local prefix, suffix = comment:match("^([^|]+)|?([^|]*)$")
if not prefix then
return
end
for sel in win:selections_iterator() do
local r = sel.range
local lnum = sel.line -- line number of cursor
local col = sel.col -- column of cursor
if sel.anchored and r then
sel.pos = r.start
local a = sel.line
sel.pos = r.finish
local b = sel.line - i
block_comment(lines, a, b, prefix, suffix)
sel:to(lnum, col) -- restore cursor position
end
end
win:draw()
vis.mode = vis.modes.NORMAL -- go to normal mode
end
end
vis:map(vis.modes.VISUAL_LINE, "gc", visual_f(1), "Toggle comment on the selected lines")
vis:map(vis.modes.VISUAL, "gc", visual_f(0), "Toggle comment on the selected lines")
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