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local utils = {}
local uv = vim.loop
-- recursive Print (structure, limit, separator)
local function r_inspect_settings(structure, limit, separator)
limit = limit or 100 -- default item limit
separator = separator or "." -- indent string
if limit < 1 then
print "ERROR: Item limit reached."
return limit - 1
end
if structure == nil then
io.write("-- O", separator:sub(2), " = nil\n")
return limit - 1
end
local ts = type(structure)
if ts == "table" then
for k, v in pairs(structure) do
-- replace non alpha keys with ["key"]
if tostring(k):match "[^%a_]" then
k = '["' .. tostring(k) .. '"]'
end
limit = r_inspect_settings(v, limit, separator .. "." .. tostring(k))
if limit < 0 then
break
end
end
return limit
end
if ts == "string" then
-- escape sequences
structure = string.format("%q", structure)
end
separator = separator:gsub("%.%[", "%[")
if type(structure) == "function" then
-- don't print functions
io.write("-- options", separator:sub(2), " = function ()\n")
else
io.write("options", separator:sub(2), " = ", tostring(structure), "\n")
end
return limit - 1
end
function utils.generate_settings()
-- Opens a file in append mode
local file = io.open("lv-settings.lua", "w")
-- sets the default output file as test.lua
io.output(file)
-- write all `options` related settings to `lv-settings.lua` file
r_inspect_settings(options, 10000, ".")
-- closes the open file
io.close(file)
end
function utils.unrequire(m)
package.loaded[m] = nil
_G[m] = nil
end
function utils.gsub_args(args)
if args == nil or type(args) ~= "table" then
return args
end
local buffer_filepath = vim.fn.fnameescape(vim.api.nvim_buf_get_name(0))
for i = 1, #args do
args[i] = string.gsub(args[i], "${FILEPATH}", buffer_filepath)
end
return args
end
--- Returns a table with the default values that are missing.
--- either paramter can be empty.
--@param config (table) table containing entries that take priority over defaults
--@param default_config (table) table contatining default values if found
function utils.apply_defaults(config, default_config)
config = config or {}
default_config = default_config or {}
local new_config = vim.tbl_deep_extend("keep", vim.empty_dict(), config)
new_config = vim.tbl_deep_extend("keep", new_config, default_config)
return new_config
end
--- Checks whether a given path exists and is a file.
--@param path (string) path to check
--@returns (bool)
function utils.is_file(path)
local stat = uv.fs_stat(path)
return stat and stat.type == "file" or false
end
--- Checks whether a given path exists and is a directory
--@param path (string) path to check
--@returns (bool)
function utils.is_directory(path)
local stat = uv.fs_stat(path)
return stat and stat.type == "directory" or false
end
utils.join_paths = _G.join_paths
function utils.write_file(path, txt, flag)
uv.fs_open(path, flag, 438, function(open_err, fd)
assert(not open_err, open_err)
uv.fs_write(fd, txt, -1, function(write_err)
assert(not write_err, write_err)
uv.fs_close(fd, function(close_err)
assert(not close_err, close_err)
end)
end)
end)
end
function utils.debounce(ms, fn)
local timer = vim.loop.new_timer()
return function(...)
local argv = { ... }
timer:start(ms, 0, function()
timer:stop()
vim.schedule_wrap(fn)(unpack(argv))
end)
end
end
function utils.search_file(file, args)
local Job = require "plenary.job"
local stderr = {}
local stdout, ret = Job
:new({
command = "grep",
args = { args, file },
cwd = get_cache_dir(),
on_stderr = function(_, data)
table.insert(stderr, data)
end,
})
:sync()
return stdout, ret, stderr
end
function utils.file_contains(file, query)
local stdout, ret, stderr = utils.search_file(file, query)
if ret == 0 then
return true
end
if not vim.tbl_isempty(stderr) then
error(vim.inspect(stderr))
end
if not vim.tbl_isempty(stdout) then
error(vim.inspect(stdout))
end
return false
end
function utils.log_contains(query)
local logfile = require("core.log"):get_path()
local stdout, ret, stderr = utils.search_file(logfile, query)
if ret == 0 then
return true
end
if not vim.tbl_isempty(stderr) then
error(vim.inspect(stderr))
end
if not vim.tbl_isempty(stdout) then
error(vim.inspect(stdout))
end
if not vim.tbl_isempty(stderr) then
error(vim.inspect(stderr))
end
return false
end
return utils
-- TODO: find a new home for these autocommands
|
