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local utils = require('blink.cmp.completion.brackets.utils')
--- @param ctx blink.cmp.Context
--- @param filetype string
--- @param item blink.cmp.CompletionItem
--- @return 'added' | 'check_semantic_token' | 'skipped', lsp.TextEdit | lsp.InsertReplaceEdit, number
local function add_brackets(ctx, filetype, item)
local text_edit = item.textEdit
assert(text_edit ~= nil, 'Got nil text edit while adding brackets via kind')
local brackets_for_filetype = utils.get_for_filetype(filetype, item)
-- skip if we're not in default mode
if ctx.mode ~= 'default' then return 'skipped', text_edit, 0 end
-- if there's already the correct brackets in front, skip but indicate the cursor should move in front of the bracket
-- TODO: what if the brackets_for_filetype[1] == '' or ' ' (haskell/ocaml)?
-- TODO: should this check semantic tokens and still move the cursor in that case?
if utils.has_brackets_in_front(text_edit, brackets_for_filetype[1]) then
local offset = utils.can_have_brackets(item, brackets_for_filetype) and #brackets_for_filetype[1] or 0
return 'skipped', text_edit, offset
end
-- if the item already contains the brackets, conservatively skip adding brackets
-- todo: won't work for snippets when the brackets_for_filetype is { '{', '}' }
-- I've never seen a language like that though
if brackets_for_filetype[1] ~= ' ' and text_edit.newText:match('[\\' .. brackets_for_filetype[1] .. ']') ~= nil then
return 'skipped', text_edit, 0
end
-- check if configuration incidates we should skip
if not utils.should_run_resolution(filetype, 'kind') then return 'check_semantic_token', text_edit, 0 end
-- cannot have brackets, skip
if not utils.can_have_brackets(item, brackets_for_filetype) then return 'check_semantic_token', text_edit, 0 end
text_edit = vim.deepcopy(text_edit)
-- For snippets, we add the cursor position between the brackets as the last placeholder
if item.insertTextFormat == vim.lsp.protocol.InsertTextFormat.Snippet then
local placeholders = utils.snippets_extract_placeholders(text_edit.newText)
local last_placeholder_index = math.max(0, unpack(placeholders))
text_edit.newText = text_edit.newText
.. brackets_for_filetype[1]
.. '$'
.. tostring(last_placeholder_index + 1)
.. brackets_for_filetype[2]
-- Otherwise, we add as usual
else
text_edit.newText = text_edit.newText .. brackets_for_filetype[1] .. brackets_for_filetype[2]
end
return 'added', text_edit, -#brackets_for_filetype[2]
end
return add_brackets
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