81 lines
2.2 KiB
Lua
81 lines
2.2 KiB
Lua
-- Copyright (c) 2020-2021 shadmansaleh
|
|
-- MIT license, see LICENSE for more details.
|
|
local M = require('lualine.component'):extend()
|
|
|
|
local modules = require('lualine_require').lazy_require {
|
|
utils = 'lualine.utils.utils',
|
|
}
|
|
|
|
local default_options = {
|
|
symbols = { modified = '[+]', readonly = '[-]', unnamed = '[No Name]' },
|
|
file_status = true,
|
|
path = 0,
|
|
shorting_target = 40,
|
|
}
|
|
|
|
---counts how many times pattern occur in base ( used for counting path-sep )
|
|
---@param base string
|
|
---@param pattern string
|
|
---@return number
|
|
local function count(base, pattern)
|
|
return select(2, string.gsub(base, pattern, ''))
|
|
end
|
|
|
|
---shortens path by turning apple/orange -> a/orange
|
|
---@param path string
|
|
---@param sep string path separator
|
|
---@return string
|
|
local function shorten_path(path, sep)
|
|
-- ('([^/])[^/]+%/', '%1/', 1)
|
|
return path:gsub(string.format('([^%s])[^%s]+%%%s', sep, sep, sep), '%1' .. sep, 1)
|
|
end
|
|
|
|
M.init = function(self, options)
|
|
M.super.init(self, options)
|
|
self.options = vim.tbl_deep_extend('keep', self.options or {}, default_options)
|
|
end
|
|
|
|
M.update_status = function(self)
|
|
local data
|
|
if self.options.path == 1 then
|
|
-- relative path
|
|
data = vim.fn.expand('%:~:.')
|
|
elseif self.options.path == 2 then
|
|
-- absolute path
|
|
data = vim.fn.expand('%:p')
|
|
else
|
|
-- just filename
|
|
data = vim.fn.expand('%:t')
|
|
end
|
|
|
|
data = modules.utils.stl_escape(data)
|
|
|
|
if data == '' then
|
|
data = self.options.symbols.unnamed
|
|
end
|
|
|
|
if self.options.shorting_target ~= 0 then
|
|
local windwidth = self.options.globalstatus and vim.go.columns or vim.fn.winwidth(0)
|
|
local estimated_space_available = windwidth - self.options.shorting_target
|
|
|
|
local path_separator = package.config:sub(1, 1)
|
|
for _ = 0, count(data, path_separator) do
|
|
if windwidth <= 84 or #data > estimated_space_available then
|
|
data = shorten_path(data, path_separator)
|
|
end
|
|
end
|
|
end
|
|
|
|
if self.options.file_status then
|
|
if vim.bo.modified then
|
|
data = data .. self.options.symbols.modified
|
|
end
|
|
if vim.bo.modifiable == false or vim.bo.readonly == true then
|
|
data = data .. self.options.symbols.readonly
|
|
end
|
|
end
|
|
return data
|
|
end
|
|
|
|
return M
|