64 lines
1.7 KiB
Lua
64 lines
1.7 KiB
Lua
-- mod-version:3
|
|
local core = require "core"
|
|
local command = require "core.command"
|
|
local translate = require "core.doc.translate"
|
|
|
|
|
|
local function gmatch_to_array(text, ptn)
|
|
local res = {}
|
|
for x in text:gmatch(ptn) do
|
|
table.insert(res, x)
|
|
end
|
|
return res
|
|
end
|
|
|
|
|
|
local function tabularize_lines(lines, delim)
|
|
local rows = {}
|
|
local cols = {}
|
|
|
|
-- split lines at delimiters and get maximum width of columns
|
|
local ptn = "[^" .. delim:sub(1,1):gsub("%W", "%%%1") .. "]+"
|
|
for i, line in ipairs(lines) do
|
|
rows[i] = gmatch_to_array(line, ptn)
|
|
for j, col in ipairs(rows[i]) do
|
|
cols[j] = math.max(#col, cols[j] or 0)
|
|
end
|
|
end
|
|
|
|
-- pad columns with space
|
|
for _, row in ipairs(rows) do
|
|
for i = 1, #row - 1 do
|
|
row[i] = row[i] .. string.rep(" ", cols[i] - #row[i])
|
|
end
|
|
end
|
|
|
|
-- write columns back to lines array
|
|
for i, line in ipairs(lines) do
|
|
lines[i] = table.concat(rows[i], delim)
|
|
end
|
|
end
|
|
|
|
|
|
command.add("core.docview", {
|
|
["tabularize:tabularize"] = function()
|
|
core.command_view:enter("Tabularize On Delimiter", {
|
|
submit = function(delim)
|
|
if delim == "" then delim = " " end
|
|
|
|
local doc = core.active_view.doc
|
|
local line1, col1, line2, col2, swap = doc:get_selection(true)
|
|
line1, col1 = doc:position_offset(line1, col1, translate.start_of_line)
|
|
line2, col2 = doc:position_offset(line2, col2, translate.end_of_line)
|
|
doc:set_selection(line1, col1, line2, col2, swap)
|
|
|
|
doc:replace(function(text)
|
|
local lines = gmatch_to_array(text, "[^\n]*\n?")
|
|
tabularize_lines(lines, delim)
|
|
return table.concat(lines)
|
|
end)
|
|
end
|
|
})
|
|
end,
|
|
})
|