62 lines
1.6 KiB
Lua
62 lines
1.6 KiB
Lua
-- mod-version:1 -- lite-xl 1.16
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local core = require "core"
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local command = require "core.command"
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local translate = require "core.doc.translate"
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local function gmatch_to_array(text, ptn)
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local res = {}
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for x in text:gmatch(ptn) do
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table.insert(res, x)
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end
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return res
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end
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local function tabularize_lines(lines, delim)
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local rows = {}
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local cols = {}
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-- split lines at delimiters and get maximum width of columns
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local ptn = "[^" .. delim:sub(1,1):gsub("%W", "%%%1") .. "]+"
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for i, line in ipairs(lines) do
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rows[i] = gmatch_to_array(line, ptn)
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for j, col in ipairs(rows[i]) do
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cols[j] = math.max(#col, cols[j] or 0)
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end
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end
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-- pad columns with space
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for _, row in ipairs(rows) do
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for i = 1, #row - 1 do
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row[i] = row[i] .. string.rep(" ", cols[i] - #row[i])
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end
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end
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-- write columns back to lines array
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for i, line in ipairs(lines) do
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lines[i] = table.concat(rows[i], delim)
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end
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end
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command.add("core.docview", {
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["tabularize:tabularize"] = function()
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core.command_view:enter("Tabularize On Delimiter", function(delim)
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if delim == "" then delim = " " end
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local doc = core.active_view.doc
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local line1, col1, line2, col2, swap = doc:get_selection(true)
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line1, col1 = doc:position_offset(line1, col1, translate.start_of_line)
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line2, col2 = doc:position_offset(line2, col2, translate.end_of_line)
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doc:set_selection(line1, col1, line2, col2, swap)
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doc:replace(function(text)
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local lines = gmatch_to_array(text, "[^\n]*\n?")
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tabularize_lines(lines, delim)
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return table.concat(lines)
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end)
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end)
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end,
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})
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