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util.lua
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util.lua
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local Config = require("neoconf.config")
local M = {}
function M.merge(...)
local function can_merge(v)
return type(v) == "table" and (vim.tbl_isempty(v) or not vim.tbl_islist(v))
end
local values = { ... }
local ret = values[1]
for i = 2, #values, 1 do
local value = values[i]
if can_merge(ret) and can_merge(value) then
for k, v in pairs(value) do
ret[k] = M.merge(ret[k], v)
end
else
ret = value
end
end
return ret
end
function M.root_pattern(...)
return require("lspconfig.util").root_pattern(...)
end
function M.find_git_ancestor(...)
return require("lspconfig.util").find_git_ancestor(...)
end
function M.has_lspconfig(server)
return vim.tbl_contains(require("lspconfig.util").available_servers(), server)
end
---@param opts { on_config: fun(config, root_dir:string, original_config), root_dir: fun(), name: string }
function M.on_config(opts)
local lsputil = require("lspconfig.util")
local hook = lsputil.add_hook_after
lsputil.on_setup = hook(lsputil.on_setup, function(initial_config)
if opts.on_config then
initial_config.on_new_config = hook(
initial_config.on_new_config,
M.protect(function(config, root_dir)
opts.on_config(config, root_dir, initial_config)
end, "Failed to run client.before_init" .. (opts.name and (" for " .. opts.name) or ""))
)
end
if opts.root_dir then
local root_dir = initial_config.root_dir
initial_config.root_dir = function(...)
local b = root_dir(...)
if not b then
return
end
local a = opts.root_dir(...)
if a and b then
-- return longest
return #a > #b and a or b
end
return a or b
end
end
end)
end
---@param opts? { local: boolean, global: boolean, autocmd: boolean }
---@return string[]
function M.file_patterns(opts)
opts = M.merge({ ["local"] = true, ["global"] = true }, opts)
local ret = {}
if opts["local"] then
for _, p in ipairs(Config.local_patterns) do
table.insert(ret, p.pattern)
end
end
if opts["global"] then
for _, p in ipairs(Config.global_patterns) do
table.insert(ret, p.pattern)
end
end
if opts.autocmd then
for i, v in ipairs(ret) do
if v:find("/") then
ret[i] = "*/" .. v
end
end
end
return ret
end
---@return { pattern: table<string, string>, filename: table<string, string> }
function M.filetype_patterns()
local pattern = {}
local filename = {}
for _, p in ipairs(M.file_patterns({ autocmd = true })) do
if p:find("/") ~= nil then
pattern[".*/" .. p:gsub("%.", "%."):gsub("%*", ".*")] = "jsonc"
else
filename[p] = "jsonc"
end
end
return {
pattern = pattern,
filename = filename,
}
end
function M.path(str)
local f = debug.getinfo(1, "S").source:sub(2)
return M.fqn(vim.fn.fnamemodify(f, ":h:h:h") .. "/" .. (str or ""))
end
function M.read_file(file)
local fd = io.open(file, "r")
if not fd then
error(("Could not open file %s for reading"):format(file))
end
local data = fd:read("*a")
fd:close()
return data
end
function M.write_file(file, data)
local fd = io.open(file, "w+")
if not fd then
error(("Could not open file %s for writing"):format(file))
end
fd:write(data)
fd:close()
end
function M.json_decode(json)
json = vim.trim(json)
if json == "" then
json = "{}"
end
return require("neoconf.json.jsonc").decode_jsonc(json)
end
function M.fqn(fname)
fname = vim.fn.fnamemodify(fname, ":p")
return vim.loop.fs_realpath(fname) or fname
end
---@param root_dir string
---@param file string
function M.has_file(root_dir, file)
root_dir = M.fqn(root_dir)
file = M.fqn(file)
return M.exists(file) and file:find(root_dir, 1, true) == 1
end
function M.protect(fn, msg)
return function(...)
local args = { ... }
return xpcall(function()
return fn(unpack(args))
end, function(err)
local lines = {}
if msg then
table.insert(lines, msg)
end
table.insert(lines, err)
table.insert(lines, debug.traceback("", 3))
M.error(table.concat(lines, "\n"))
return err
end)
end
end
function M.try(fn, msg)
M.protect(fn, msg)()
end
function M.config_path()
return vim.loop.fs_realpath(vim.fn.stdpath("config"))
end
function M.is_nvim_config(path)
return M.has_file(M.fqn(path), M.config_path())
end
---@param patterns SettingsPattern[]
---@param fn fun(file: string, key:string|nil, pattern:string)
---@param root_dir string
function M.for_each(patterns, fn, root_dir)
for _, p in ipairs(patterns) do
local file = root_dir .. "/" .. p.pattern
---@diagnostic disable-next-line: param-type-mismatch
for _, f in pairs(vim.fn.expand(file, false, true)) do
---@diagnostic disable-next-line: param-type-mismatch
fn(f, type(p.key) == "function" and p.key(f) or p.key, p.pattern)
end
end
end
---@param patterns string|(string|SettingsPattern)[]
---@return SettingsPattern[]
function M.expand(patterns)
return vim.tbl_map(function(p)
return type(p) == "string" and { pattern = p } or p
end, type(patterns) == "table" and patterns or { patterns })
end
---@param root_dir string
---@param fn fun(file: string, key:string|nil, pattern:string)
function M.for_each_local(fn, root_dir)
M.for_each(Config.local_patterns, fn, root_dir)
end
---@param fn fun(file: string, key:string|nil, pattern:string)
function M.for_each_global(fn)
M.for_each(Config.global_patterns, fn, vim.fn.stdpath("config"))
end
function M.is_global(file)
local ret = false
M.for_each_global(function(f)
if file == f then
ret = true
end
end)
return ret
end
function M.fetch(url)
local fd = io.popen(string.format("curl -s -k %q", url))
if not fd then
error(("Could not download %s"):format(url))
end
local ret = fd:read("*a")
fd:close()
return ret
end
function M.json_format(obj)
local tmp = os.tmpname()
M.write_file(tmp, vim.json.encode(obj))
local fd = io.popen("jq -S < " .. tmp)
if not fd then
error("Could not format json")
end
local ret = fd:read("*a")
if ret == "" then
error("Could not format json")
end
fd:close()
return ret
end
function M.mtime(fname)
local stat = vim.loop.fs_stat(fname)
return (stat and stat.type) and stat.mtime.sec or 0
end
function M.exists(fname)
local stat = vim.loop.fs_stat(fname)
return (stat and stat.type) or false
end
function M.notify(msg, level)
vim.notify(msg, level, {
title = "settings.nvim",
on_open = function(win)
vim.api.nvim_win_set_option(win, "conceallevel", 3)
local buf = vim.api.nvim_win_get_buf(win)
vim.api.nvim_buf_set_option(buf, "filetype", "markdown")
vim.api.nvim_win_set_option(win, "spell", false)
end,
})
end
function M.warn(msg)
M.notify(msg, vim.log.levels.WARN)
end
function M.error(msg)
M.notify(msg, vim.log.levels.ERROR)
end
function M.info(msg)
M.notify(msg, vim.log.levels.INFO)
end
return M