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|
--- Module of magic functions for nvim
-- @module nvim
-- Equivalent to `echo vim.inspect(...)`
local function nvim_print(...)
if select("#", ...) == 1 then
vim.api.nvim_out_write(vim.inspect((...)))
else
vim.api.nvim_out_write(vim.inspect {...})
end
vim.api.nvim_out_write("\n")
end
--- Equivalent to `echo` EX command
local function nvim_echo(...)
for i = 1, select("#", ...) do
local part = select(i, ...)
vim.api.nvim_out_write(tostring(part))
-- vim.api.nvim_out_write("\n")
vim.api.nvim_out_write(" ")
end
vim.api.nvim_out_write("\n")
end
local window_options = {
arab = true; arabic = true; breakindent = true; breakindentopt = true;
bri = true; briopt = true; cc = true; cocu = true;
cole = true; colorcolumn = true; concealcursor = true; conceallevel = true;
crb = true; cuc = true; cul = true; cursorbind = true;
cursorcolumn = true; cursorline = true; diff = true; fcs = true;
fdc = true; fde = true; fdi = true; fdl = true;
fdm = true; fdn = true; fdt = true; fen = true;
fillchars = true; fml = true; fmr = true; foldcolumn = true;
foldenable = true; foldexpr = true; foldignore = true; foldlevel = true;
foldmarker = true; foldmethod = true; foldminlines = true; foldnestmax = true;
foldtext = true; lbr = true; lcs = true; linebreak = true;
list = true; listchars = true; nu = true; number = true;
numberwidth = true; nuw = true; previewwindow = true; pvw = true;
relativenumber = true; rightleft = true; rightleftcmd = true; rl = true;
rlc = true; rnu = true; scb = true; scl = true;
scr = true; scroll = true; scrollbind = true; signcolumn = true;
spell = true; statusline = true; stl = true; wfh = true;
wfw = true; winbl = true; winblend = true; winfixheight = true;
winfixwidth = true; winhighlight = true; winhl = true; wrap = true;
}
-- `nvim.$method(...)` redirects to `nvim.api.nvim_$method(...)`
-- `nvim.fn.$method(...)` redirects to `vim.api.nvim_call_function($method, {...})`
-- TODO `nvim.ex.$command(...)` is approximately `:$command {...}.join(" ")`
-- `nvim.print(...)` is approximately `echo vim.inspect(...)`
-- `nvim.echo(...)` is approximately `echo table.concat({...}, '\n')`
-- Both methods cache the inital lookup in the metatable, but there is a small overhead regardless.
return setmetatable({
print = nvim_print;
echo = nvim_echo;
fn = setmetatable({}, {
__index = function(self, k)
local mt = getmetatable(self)
local x = mt[k]
if x ~= nil then
return x
end
local f = function(...) return vim.api.nvim_call_function(k, {...}) end
mt[k] = f
return f
end
});
buf = setmetatable({
}, {
__index = function(self, k)
local mt = getmetatable(self)
local x = mt[k]
if x ~= nil then return x end
local f
if k == 'line' then
f = function()
local pos = vim.api.nvim_win_get_cursor(0)
return vim.api.nvim_buf_get_lines(0, pos[1]-1, pos[1], 'line')[1]
end
elseif k == 'nr' then
f = vim.api.nvim_get_current_buf
end
mt[k] = f
return f
end
});
ex = setmetatable({}, {
__index = function(self, k)
local mt = getmetatable(self)
local x = mt[k]
if x ~= nil then
return x
end
local command = k:gsub("_$", "!")
local f = function(...)
return vim.api.nvim_command(table.concat(vim.tbl_flatten {command, ...}, " "))
end
mt[k] = f
return f
end
});
g = setmetatable({}, {
__index = function(_, k)
return vim.api.nvim_get_var(k)
end;
__newindex = function(_, k, v)
if v == nil then
return vim.api.nvim_del_var(k)
else
return vim.api.nvim_set_var(k, v)
end
end;
});
v = setmetatable({}, {
__index = function(_, k)
return vim.api.nvim_get_vvar(k)
end;
__newindex = function(_, k, v)
return vim.api.nvim_set_vvar(k, v)
end
});
b = setmetatable({}, {
__index = function(_, k)
return vim.api.nvim_buf_get_var(0, k)
end;
__newindex = function(_, k, v)
if v == nil then
return vim.api.nvim_buf_del_var(0, k)
else
return vim.api.nvim_buf_set_var(0, k, v)
end
end
});
w = setmetatable({}, {
__index = function(_, k)
return vim.api.nvim_win_get_var(0, k)
end;
__newindex = function(_, k, v)
if v == nil then
return vim.api.nvim_win_del_var(0, k)
else
return vim.api.nvim_win_set_var(0, k, v)
end
end
});
o = setmetatable({}, {
__index = function(_, k)
return vim.api.nvim_get_option(k)
end;
__newindex = function(_, k, v)
return vim.api.nvim_set_option(k, v)
end
});
-- TODO add warning if you try to use a window option here?
bo = setmetatable({}, {
__index = function(_, k)
return vim.api.nvim_buf_get_option(0, k)
end;
__newindex = function(_, k, v)
return vim.api.nvim_buf_set_option(0, k, v)
end
});
wo = setmetatable({}, {
__index = function(_, k)
return vim.api.nvim_win_get_option(0, k)
end;
__newindex = function(_, k, v)
-- passing v == nil will clear the value, just like above.
return vim.api.nvim_win_set_option(0, k, v)
end
});
env = setmetatable({}, {
__index = function(_, k)
return vim.api.nvim_call_function('getenv', {k})
end;
__newindex = function(_, k, v)
return vim.api.nvim_call_function('setenv', {k, v})
end
});
}, {
__index = function(self, k)
local mt = getmetatable(self)
local x = mt[k]
if x ~= nil then
return x
end
local f = vim.api['nvim_'..k]
mt[k] = f
return f
end
})
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