Files
typstar/lua/typstar/snippets/visual.lua
2024-12-28 15:17:06 +01:00

95 lines
4.0 KiB
Lua

local ts = vim.treesitter
local ls = require('luasnip')
local d = ls.dynamic_node
local i = ls.insert_node
local s = ls.snippet_node
local t = ls.text_node
local utils = require('typstar.utils')
local helper = require('typstar.autosnippets')
local math = helper.in_math
local snip = helper.snip
local snippets = {}
local operations = { -- first boolean: existing brackets should be kept; second boolean: brackets should be added
{ 'vi', '1/', '', true, false },
{ 'bb', '(', ')', true, false }, -- add round brackets
{ 'sq', '[', ']', true, false }, -- add square brackets
{ 'bB', '(', ')', false, false }, -- replace with round brackets
{ 'sQ', '[', ']', false, false }, -- replace with square brackets
{ 'BB', '', '', false, false }, -- remove brackets
{ 'ss', '"', '"', false, false },
{ 'abs', 'abs', '', true, true },
{ 'ul', 'underline', '', true, true },
{ 'ol', 'overline', '', true, true },
{ 'ub', 'underbrace', '', true, true },
{ 'ob', 'overbrace', '', true, true },
{ 'ht', 'hat', '', true, true },
{ 'br', 'macron', '', true, true },
{ 'dt', 'dot', '', true, true },
{ 'ci', 'circle', '', true, true },
{ 'td', 'tilde', '', true, true },
{ 'nr', 'norm', '', true, true },
{ 'vv', 'vec', '', true, true },
{ 'rt', 'sqrt', '', true, true },
{ 'flo', 'floor', '', true, true },
{ 'cei', 'ceil', '', true, true },
}
local ts_wrap_query = ts.query.parse('typst', '[(call) (ident) (letter) (number)] @wrap')
local ts_wrapnobrackets_query = ts.query.parse('typst', '(group) @wrapnobrackets')
local process_ts_query = function(bufnr, cursor, query, root, insert1, insert2, cut_offset)
for _, match, _ in query:iter_matches(root, bufnr, cursor[1], cursor[1] + 1) do
if match then
local start_row, start_col, end_row, end_col = utils.treesitter_match_start_end(match)
if end_row == cursor[1] and end_col == cursor[2] then
vim.schedule(function() -- to not interfere with luasnip
local cursor_offset = 0
local old_len1, new_len1 = utils.insert_text(
bufnr, start_row, start_col, insert1, 0, cut_offset)
if start_row == cursor[1] then
cursor_offset = cursor_offset + (new_len1 - old_len1)
end
local old_len2, new_len2 = utils.insert_text(
bufnr, end_row, cursor[2] + cursor_offset, insert2, cut_offset, 0)
if end_row == cursor[1] then
cursor_offset = cursor_offset + (new_len2 - old_len2)
end
vim.api.nvim_win_set_cursor(0, { cursor[1] + 1, cursor[2] + cursor_offset })
end)
return true
end
end
end
return false
end
local smart_wrap = function(args, parent, old_state, expand)
local bufnr = vim.api.nvim_get_current_buf()
local cursor = utils.get_cursor_pos()
local root = utils.get_treesitter_root(bufnr)
if process_ts_query(bufnr, cursor, ts_wrapnobrackets_query, root, expand[2], expand[3], expand[4] and 0 or 1) then
return s(nil, t())
end
local expand1 = expand[5] and expand[2] .. '(' or expand[2]
local expand2 = expand[5] and expand[3] .. ')' or expand[3]
if process_ts_query(bufnr, cursor, ts_wrap_query, root, expand1, expand2) then
return s(nil, t())
end
if #parent.env.LS_SELECT_RAW > 0 then
return s(nil, t(expand1 .. table.concat(parent.env.LS_SELECT_RAW) .. expand2))
end
return s(nil, { t(expand1), i(1, '1+1'), t(expand2) })
end
for _, val in pairs(operations) do
table.insert(snippets, snip(val[1], '<>', { d(1, smart_wrap, {}, { user_args = { val } }) }, math, 1000, false))
end
return {
unpack(snippets)
}