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|
local vim = assert(vim)
local M = {}
local hsel1 = "tnshrdlcmwfpgkbvjxy" -- 19
local hsel2 = "aeiouzq" -- 7
local function char_at(s, i)
local m = (i % #s) + 1
return string.sub(s, m, m)
end
local function make_big_line()
local col = 0
local line = ''
local v = ''
local c = nil
local i = 0
local col_map = {}
while true do
v = char_at(hsel1, i)
if c then
if col_map[c .. v] then break end
col_map[c .. v] = col
end
c = char_at(hsel2, i)
col = col + 1
if col_map[v .. c] then break end
col_map[v .. c] = col
line = line .. v .. c
col = col + 1
i = i + 1
end
return line, col_map
end
local big_line, col_map = make_big_line()
M.strategy = function()
local filter
return {
display = function()
local curpos = vim.api.nvim_win_get_cursor(0)
local line_at = vim.fn.getline(curpos[1])
local unfiltered = big_line:sub(1, #line_at + 1)
local line = unfiltered
if filter then
line = ""
local i = 1
while i <= #unfiltered do
local curch = char_at(unfiltered, i - 1)
if curch == filter then
line = line .. char_at(unfiltered, i)
else
line = line .. ' '
end
i = i + 1
end
end
return line
end,
on_char = function(ch)
if not filter then
if ch == '$' or ch == '^' then
vim.cmd("normal! " .. ch)
return false
elseif not ch:match('[a-z]') then
vim.cmd("normal! f" .. ch)
return false
else
filter = ch
return true
end
else
if col_map[filter .. ch] then
vim.cmd("normal! " .. col_map[filter .. ch] .. "|")
end
end
return false
end
}
end
return M
|
