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refactor toggle-block-comments, make command spaces aware, set selections correctly

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takase1121 2022-01-02 19:11:48 +08:00
parent 33f7fe4fda
commit e079ddfa37
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GPG Key ID: 60EEFFC68EB3031B
1 changed files with 27 additions and 34 deletions
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65
data/core/commands/doc.lua
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@ -305,49 +305,42 @@ local commands = {
-- if nothing is selected, toggle the whole line
if line1 == line2 and col1 == col2 then
col1 = 1
col2 = #doc().lines[line1]
col2 = #doc().lines[line2]
end
local text = doc():get_text(line1, col1, line2, col2)
-- might need to deal with unicode later...
local cs, cse = text:find(comment[1], 1, true)
local ce = text:find(comment[2], #text - #comment[2] + 1, true)
-- automatically skip spaces
local word_start = doc():get_text(line1, col1, line1, math.huge):find("%S")
local word_end = doc():get_text(line2, 1, line2, col2):find("%s*$")
col1 = col1 + (word_start and (word_start - 1) or 0)
col2 = word_end and word_end or col2
local new_col1, new_col2 = col1, col2
-- uncomment
if cs and ce then
if line1 == line2 then
new_col2 = new_col2 - #table.concat(comment)
local block_start = doc():get_text(line1, col1, line1, col1 + #comment[1])
local block_end = doc():get_text(line2, col2 - #comment[2], line2, col2)
if block_start == comment[1] and block_end == comment[2] then
-- remove up to 1 whitespace after the comment
local start_len, stop_len = #comment[1], #comment[2]
if doc():get_text(line1, col1 + #comment[1], line1, col1 + #comment[1] + 1):find("%s$") then
start_len = start_len + 1
end
if doc():get_text(line2, col2 - #comment[2] - 1, line2, col2):find("^%s") then
stop_len = stop_len + 1
end
doc():remove(line1, col1, line1, col1 + start_len)
col2 = col2 - (line1 == line2 and start_len or 0)
doc():remove(line2, col2 - stop_len, line2, col2)
doc():set_selections(1, line1, col1, line2, col2 - stop_len)
else
new_col2 = new_col2 - #comment[2]
end
doc():insert(line1, col1, comment[1] .. " ")
col2 = col2 + (line1 == line2 and (#comment[1] + 1) or 0)
doc():insert(line2, col2, " " .. comment[2])
-- remove 1 whitespace if possible
if text:sub(cse + 1, cse + 1) == " " then
cse = cse + 1
if line1 == line2 then
new_col2 = new_col2 - 1
col2 = col2 + #comment[2] + 1
doc():set_selections(idx, line1, col1, line2, col2)
end
end
if text:sub(ce - 1, ce - 1) == " " then
ce = ce - 1
new_col2 = new_col2 - 1
end
text = text:sub(cse + 1, ce - 1)
-- comment
else
text = comment[1] .. " " .. text .. " " .. comment[2]
if line1 == line2 then
new_col2 = new_col2 + #table.concat(comment) + 2
else
new_col2 = new_col2 + #comment[2] + 1
end
end
doc():remove(line1, col1, line2, col2)
doc():insert(line1, col1, text)
doc():set_selections(idx, line1, new_col1, line2, new_col2)
end
end,
["doc:toggle-line-comments"] = function()