670 lines
19 KiB
Lua
670 lines
19 KiB
Lua
local config = require("oil.config")
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local constants = require("oil.constants")
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local M = {}
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local FIELD_ID = constants.FIELD_ID
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local FIELD_NAME = constants.FIELD_NAME
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local FIELD_TYPE = constants.FIELD_TYPE
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local FIELD_META = constants.FIELD_META
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---@param url string
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---@return nil|string
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---@return nil|string
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M.parse_url = function(url)
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return url:match("^(.*://)(.*)$")
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end
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---Escapes a filename for use in :edit
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---@param filename string
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---@return string
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M.escape_filename = function(filename)
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local ret = filename:gsub("([%%#$])", "\\%1")
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return ret
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end
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local _url_escape_chars = {
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[" "] = "%20",
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["$"] = "%24",
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["&"] = "%26",
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["`"] = "%60",
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[":"] = "%3A",
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["<"] = "%3C",
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["="] = "%3D",
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[">"] = "%3E",
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["?"] = "%3F",
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["["] = "%5B",
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["\\"] = "%5C",
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["]"] = "%5D",
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["^"] = "%5E",
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["{"] = "%7B",
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["|"] = "%7C",
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["}"] = "%7D",
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["~"] = "%7E",
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["“"] = "%22",
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["‘"] = "%27",
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["+"] = "%2B",
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[","] = "%2C",
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["#"] = "%23",
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["%"] = "%25",
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["@"] = "%40",
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["/"] = "%2F",
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[";"] = "%3B",
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}
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---@param string string
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---@return string
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M.url_escape = function(string)
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return (string:gsub(".", _url_escape_chars))
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end
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---@param bufnr integer
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---@return nil|oil.Adapter
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M.get_adapter = function(bufnr)
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local bufname = vim.api.nvim_buf_get_name(bufnr)
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local adapter = config.get_adapter_by_scheme(bufname)
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if not adapter then
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vim.notify_once(
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string.format("[oil] could not find adapter for buffer '%s://'", bufname),
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vim.log.levels.ERROR
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)
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end
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return adapter
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end
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---@param text string
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---@param length nil|integer
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---@return string
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M.rpad = function(text, length)
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if not length then
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return text
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end
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local textlen = vim.api.nvim_strwidth(text)
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local delta = length - textlen
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if delta > 0 then
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return text .. string.rep(" ", delta)
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else
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return text
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end
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end
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---@param text string
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---@param length nil|integer
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---@return string
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M.lpad = function(text, length)
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if not length then
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return text
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end
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local textlen = vim.api.nvim_strwidth(text)
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local delta = length - textlen
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if delta > 0 then
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return string.rep(" ", delta) .. text
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else
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return text
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end
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end
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---@generic T : any
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---@param tbl T[]
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---@param start_idx? number
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---@param end_idx? number
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---@return T[]
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M.tbl_slice = function(tbl, start_idx, end_idx)
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local ret = {}
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if not start_idx then
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start_idx = 1
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end
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if not end_idx then
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end_idx = #tbl
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end
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for i = start_idx, end_idx do
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table.insert(ret, tbl[i])
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end
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return ret
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end
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---@param entry oil.InternalEntry
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---@return oil.Entry
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M.export_entry = function(entry)
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return {
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name = entry[FIELD_NAME],
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type = entry[FIELD_TYPE],
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id = entry[FIELD_ID],
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meta = entry[FIELD_META],
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}
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end
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---@param src_bufnr integer|string Buffer number or name
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---@param dest_buf_name string
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---@return boolean True if the buffer was replaced instead of renamed
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M.rename_buffer = function(src_bufnr, dest_buf_name)
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if type(src_bufnr) == "string" then
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src_bufnr = vim.fn.bufadd(src_bufnr)
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if not vim.api.nvim_buf_is_loaded(src_bufnr) then
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vim.api.nvim_buf_delete(src_bufnr, {})
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return false
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end
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end
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local bufname = vim.api.nvim_buf_get_name(src_bufnr)
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-- If this buffer is not literally a file on disk, then we can use the simple
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-- rename logic. The only reason we can't use nvim_buf_set_name on files is because vim will
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-- think that the new buffer conflicts with the file next time it tries to save.
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if not vim.loop.fs_stat(dest_buf_name) then
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---@diagnostic disable-next-line: param-type-mismatch
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local altbuf = vim.fn.bufnr("#")
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-- This will fail if the dest buf name already exists
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local ok = pcall(vim.api.nvim_buf_set_name, src_bufnr, dest_buf_name)
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if ok then
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-- Renaming the buffer creates a new buffer with the old name. Find it and delete it.
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vim.api.nvim_buf_delete(vim.fn.bufadd(bufname), {})
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if altbuf and vim.api.nvim_buf_is_valid(altbuf) then
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vim.fn.setreg("#", altbuf)
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end
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return false
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end
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end
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local is_modified = vim.bo[src_bufnr].modified
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local dest_bufnr = vim.fn.bufadd(dest_buf_name)
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pcall(vim.fn.bufload, dest_bufnr)
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if vim.bo[src_bufnr].buflisted then
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vim.bo[dest_bufnr].buflisted = true
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end
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-- If the src_bufnr was marked as modified by the previous operation, we should undo that
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vim.bo[src_bufnr].modified = is_modified
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-- If we're renaming a buffer that we're about to enter, this may be called before the buffer is
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-- actually in the window. We need to wait to enter the buffer and _then_ replace it.
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vim.schedule(function()
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-- Find any windows with the old buffer and replace them
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for _, winid in ipairs(vim.api.nvim_list_wins()) do
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if vim.api.nvim_win_is_valid(winid) then
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if vim.api.nvim_win_get_buf(winid) == src_bufnr then
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vim.api.nvim_win_set_buf(winid, dest_bufnr)
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end
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end
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end
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if vim.api.nvim_buf_is_valid(src_bufnr) then
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if vim.bo[src_bufnr].modified then
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local src_lines = vim.api.nvim_buf_get_lines(src_bufnr, 0, -1, true)
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vim.api.nvim_buf_set_lines(dest_bufnr, 0, -1, true, src_lines)
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end
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-- Try to delete, but don't if the buffer has changes
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pcall(vim.api.nvim_buf_delete, src_bufnr, {})
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end
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end)
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return true
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end
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---@param count integer
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---@param cb fun(err: nil|string)
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M.cb_collect = function(count, cb)
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return function(err)
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if err then
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cb(err)
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cb = function() end
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else
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count = count - 1
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if count == 0 then
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cb()
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end
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end
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end
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end
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---@param url string
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---@return string[]
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local function get_possible_buffer_names_from_url(url)
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local fs = require("oil.fs")
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local scheme, path = M.parse_url(url)
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if config.adapters[scheme] == "files" then
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assert(path)
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return { fs.posix_to_os_path(path) }
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end
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return { url }
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end
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---@param entry_type oil.EntryType
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---@param src_url string
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---@param dest_url string
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M.update_moved_buffers = function(entry_type, src_url, dest_url)
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local src_buf_names = get_possible_buffer_names_from_url(src_url)
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local dest_buf_name = get_possible_buffer_names_from_url(dest_url)[1]
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if entry_type ~= "directory" then
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for _, src_buf_name in ipairs(src_buf_names) do
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M.rename_buffer(src_buf_name, dest_buf_name)
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end
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else
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M.rename_buffer(M.addslash(src_url), M.addslash(dest_url))
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-- If entry type is directory, we need to rename this buffer, and then update buffers that are
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-- inside of this directory
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for _, bufnr in ipairs(vim.api.nvim_list_bufs()) do
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local bufname = vim.api.nvim_buf_get_name(bufnr)
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if vim.startswith(bufname, src_url) then
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-- Handle oil directory buffers
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vim.api.nvim_buf_set_name(bufnr, dest_url .. bufname:sub(src_url:len() + 1))
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elseif bufname ~= "" and vim.bo[bufnr].buftype == "" then
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-- Handle regular buffers
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local scheme = M.parse_url(bufname)
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-- If the buffer is a local file, make sure we're using the absolute path
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if not scheme then
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bufname = vim.fn.fnamemodify(bufname, ":p")
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end
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for _, src_buf_name in ipairs(src_buf_names) do
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if vim.startswith(bufname, src_buf_name) then
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M.rename_buffer(bufnr, dest_buf_name .. bufname:sub(src_buf_name:len() + 1))
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break
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end
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end
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end
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end
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end
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end
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---@param name_or_config string|table
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---@return string
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---@return table|nil
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M.split_config = function(name_or_config)
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if type(name_or_config) == "string" then
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return name_or_config, nil
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else
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if not name_or_config[1] and name_or_config["1"] then
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-- This was likely loaded from json, so the first element got coerced to a string key
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name_or_config[1] = name_or_config["1"]
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name_or_config["1"] = nil
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end
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return name_or_config[1], name_or_config
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end
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end
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---@param lines oil.TextChunk[][]
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---@param col_width integer[]
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---@return string[]
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---@return any[][] List of highlights {group, lnum, col_start, col_end}
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M.render_table = function(lines, col_width)
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local str_lines = {}
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local highlights = {}
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for _, cols in ipairs(lines) do
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local col = 0
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local pieces = {}
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for i, chunk in ipairs(cols) do
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local text, hl
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if type(chunk) == "table" then
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text, hl = unpack(chunk)
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else
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text = chunk
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end
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text = M.rpad(text, col_width[i])
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table.insert(pieces, text)
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local col_end = col + text:len() + 1
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if hl then
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table.insert(highlights, { hl, #str_lines, col, col_end })
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end
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col = col_end
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end
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table.insert(str_lines, table.concat(pieces, " "))
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end
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return str_lines, highlights
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end
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---@param bufnr integer
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---@param highlights any[][] List of highlights {group, lnum, col_start, col_end}
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M.set_highlights = function(bufnr, highlights)
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local ns = vim.api.nvim_create_namespace("Oil")
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vim.api.nvim_buf_clear_namespace(bufnr, ns, 0, -1)
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for _, hl in ipairs(highlights) do
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vim.api.nvim_buf_add_highlight(bufnr, ns, unpack(hl))
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end
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end
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---@param path string
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---@return string
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M.addslash = function(path)
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if not vim.endswith(path, "/") then
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return path .. "/"
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else
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return path
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end
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end
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---@param winid nil|integer
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---@return boolean
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M.is_floating_win = function(winid)
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return vim.api.nvim_win_get_config(winid or 0).relative ~= ""
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end
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local winid_map = {}
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M.add_title_to_win = function(winid, opts)
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opts = opts or {}
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opts.align = opts.align or "left"
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if not vim.api.nvim_win_is_valid(winid) then
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return
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end
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local function get_title()
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local src_buf = vim.api.nvim_win_get_buf(winid)
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local title = vim.api.nvim_buf_get_name(src_buf)
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local scheme, path = M.parse_url(title)
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if config.adapters[scheme] == "files" then
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assert(path)
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local fs = require("oil.fs")
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title = vim.fn.fnamemodify(fs.posix_to_os_path(path), ":~")
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end
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return title
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end
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-- HACK to force the parent window to position itself
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-- See https://github.com/neovim/neovim/issues/13403
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vim.cmd.redraw()
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local title = get_title()
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local width = math.min(vim.api.nvim_win_get_width(winid) - 4, 2 + vim.api.nvim_strwidth(title))
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local title_winid = winid_map[winid]
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local bufnr
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if title_winid and vim.api.nvim_win_is_valid(title_winid) then
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vim.api.nvim_win_set_width(title_winid, width)
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bufnr = vim.api.nvim_win_get_buf(title_winid)
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else
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bufnr = vim.api.nvim_create_buf(false, true)
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local col = 1
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if opts.align == "center" then
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col = math.floor((vim.api.nvim_win_get_width(winid) - width) / 2)
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elseif opts.align == "right" then
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col = vim.api.nvim_win_get_width(winid) - 1 - width
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elseif opts.align ~= "left" then
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vim.notify(
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string.format("Unknown oil window title alignment: '%s'", opts.align),
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vim.log.levels.ERROR
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)
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end
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title_winid = vim.api.nvim_open_win(bufnr, false, {
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relative = "win",
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win = winid,
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width = width,
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height = 1,
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row = -1,
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col = col,
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focusable = false,
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zindex = 151,
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style = "minimal",
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noautocmd = true,
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})
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winid_map[winid] = title_winid
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vim.api.nvim_set_option_value(
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"winblend",
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vim.wo[winid].winblend,
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{ scope = "local", win = title_winid }
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)
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vim.bo[bufnr].bufhidden = "wipe"
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local update_autocmd = vim.api.nvim_create_autocmd("BufWinEnter", {
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desc = "Update oil floating window title when buffer changes",
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pattern = "*",
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callback = function(params)
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local winbuf = params.buf
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if vim.api.nvim_win_get_buf(winid) ~= winbuf then
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return
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end
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local new_title = get_title()
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local new_width =
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math.min(vim.api.nvim_win_get_width(winid) - 4, 2 + vim.api.nvim_strwidth(new_title))
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, true, { " " .. new_title .. " " })
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vim.bo[bufnr].modified = false
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vim.api.nvim_win_set_width(title_winid, new_width)
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local new_col = 1
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if opts.align == "center" then
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new_col = math.floor((vim.api.nvim_win_get_width(winid) - new_width) / 2)
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elseif opts.align == "right" then
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new_col = vim.api.nvim_win_get_width(winid) - 1 - new_width
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end
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vim.api.nvim_win_set_config(title_winid, {
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relative = "win",
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win = winid,
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row = -1,
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col = new_col,
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width = new_width,
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height = 1,
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})
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end,
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})
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vim.api.nvim_create_autocmd("WinClosed", {
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desc = "Close oil floating window title when floating window closes",
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pattern = tostring(winid),
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callback = function()
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if title_winid and vim.api.nvim_win_is_valid(title_winid) then
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vim.api.nvim_win_close(title_winid, true)
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end
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winid_map[winid] = nil
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vim.api.nvim_del_autocmd(update_autocmd)
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end,
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once = true,
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nested = true,
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})
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end
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, true, { " " .. title .. " " })
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vim.bo[bufnr].modified = false
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vim.api.nvim_set_option_value(
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"winhighlight",
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"Normal:FloatTitle,NormalFloat:FloatTitle",
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{ scope = "local", win = title_winid }
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)
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end
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---@param action oil.Action
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---@return oil.Adapter
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M.get_adapter_for_action = function(action)
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local adapter = config.get_adapter_by_scheme(action.url or action.src_url)
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if not adapter then
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error("no adapter found")
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end
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if action.dest_url then
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local dest_adapter = assert(config.get_adapter_by_scheme(action.dest_url))
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if adapter ~= dest_adapter then
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if
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adapter.supported_adapters_for_copy
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and adapter.supported_adapters_for_copy[dest_adapter.name]
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then
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return adapter
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elseif
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dest_adapter.supported_adapters_for_copy
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and dest_adapter.supported_adapters_for_copy[adapter.name]
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then
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return dest_adapter
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else
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error(
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string.format(
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"Cannot copy files from %s -> %s; no cross-adapter transfer method found",
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action.src_url,
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action.dest_url
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)
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)
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end
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end
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end
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return adapter
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end
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---@param str string
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---@param align "left"|"right"|"center"
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---@param width integer
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---@return string
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---@return integer
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M.h_align = function(str, align, width)
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if align == "center" then
|
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local padding = math.floor((width - vim.api.nvim_strwidth(str)) / 2)
|
||
return string.rep(" ", padding) .. str, padding
|
||
elseif align == "right" then
|
||
local padding = width - vim.api.nvim_strwidth(str)
|
||
return string.rep(" ", padding) .. str, padding
|
||
else
|
||
return str, 0
|
||
end
|
||
end
|
||
|
||
---@param bufnr integer
|
||
---@param text string|string[]
|
||
---@param opts nil|table
|
||
--- h_align nil|"left"|"right"|"center"
|
||
--- v_align nil|"top"|"bottom"|"center"
|
||
--- actions nil|string[]
|
||
--- winid nil|integer
|
||
M.render_text = function(bufnr, text, opts)
|
||
opts = vim.tbl_deep_extend("keep", opts or {}, {
|
||
h_align = "center",
|
||
v_align = "center",
|
||
})
|
||
if not vim.api.nvim_buf_is_valid(bufnr) then
|
||
return
|
||
end
|
||
if type(text) == "string" then
|
||
text = { text }
|
||
end
|
||
local height = 40
|
||
local width = 30
|
||
|
||
-- If no winid passed in, find the first win that displays this buffer
|
||
if not opts.winid then
|
||
for _, winid in ipairs(vim.api.nvim_list_wins()) do
|
||
if vim.api.nvim_win_is_valid(winid) and vim.api.nvim_win_get_buf(winid) == bufnr then
|
||
opts.winid = winid
|
||
break
|
||
end
|
||
end
|
||
end
|
||
if opts.winid then
|
||
height = vim.api.nvim_win_get_height(opts.winid)
|
||
width = vim.api.nvim_win_get_width(opts.winid)
|
||
end
|
||
local lines = {}
|
||
|
||
-- Add vertical spacing for vertical alignment
|
||
if opts.v_align == "center" then
|
||
for _ = 1, (height / 2) - (#text / 2) do
|
||
table.insert(lines, "")
|
||
end
|
||
elseif opts.v_align == "bottom" then
|
||
local num_lines = height
|
||
if opts.actions then
|
||
num_lines = num_lines - 2
|
||
end
|
||
while #lines + #text < num_lines do
|
||
table.insert(lines, "")
|
||
end
|
||
end
|
||
|
||
-- Add the lines of text
|
||
for _, line in ipairs(text) do
|
||
line = M.h_align(line, opts.h_align, width)
|
||
table.insert(lines, line)
|
||
end
|
||
|
||
-- Render the actions (if any) at the bottom
|
||
local highlights = {}
|
||
if opts.actions then
|
||
while #lines < height - 1 do
|
||
table.insert(lines, "")
|
||
end
|
||
local last_line, padding = M.h_align(table.concat(opts.actions, " "), "center", width)
|
||
local col = padding
|
||
for _, action in ipairs(opts.actions) do
|
||
table.insert(highlights, { "Special", #lines, col, col + 3 })
|
||
col = padding + action:len() + 4
|
||
end
|
||
table.insert(lines, last_line)
|
||
end
|
||
|
||
vim.bo[bufnr].modifiable = true
|
||
pcall(vim.api.nvim_buf_set_lines, bufnr, 0, -1, false, lines)
|
||
vim.bo[bufnr].modifiable = false
|
||
vim.bo[bufnr].modified = false
|
||
local ns = vim.api.nvim_create_namespace("Oil")
|
||
vim.api.nvim_buf_clear_namespace(bufnr, ns, 0, -1)
|
||
for _, hl in ipairs(highlights) do
|
||
vim.api.nvim_buf_add_highlight(bufnr, ns, unpack(hl))
|
||
end
|
||
end
|
||
|
||
---Run a function in the context of a full-editor window
|
||
---@param bufnr nil|integer
|
||
---@param callback fun()
|
||
M.run_in_fullscreen_win = function(bufnr, callback)
|
||
if not bufnr then
|
||
bufnr = vim.api.nvim_create_buf(false, true)
|
||
vim.bo[bufnr].bufhidden = "wipe"
|
||
end
|
||
local winid = vim.api.nvim_open_win(bufnr, false, {
|
||
relative = "editor",
|
||
width = vim.o.columns,
|
||
height = vim.o.lines,
|
||
row = 0,
|
||
col = 0,
|
||
noautocmd = true,
|
||
})
|
||
local winnr = vim.api.nvim_win_get_number(winid)
|
||
vim.cmd.wincmd({ count = winnr, args = { "w" }, mods = { noautocmd = true } })
|
||
callback()
|
||
vim.cmd.close({ count = winnr, mods = { noautocmd = true, emsg_silent = true } })
|
||
end
|
||
|
||
---@param bufnr integer
|
||
---@return boolean
|
||
M.is_oil_bufnr = function(bufnr)
|
||
if vim.bo[bufnr].filetype == "oil" then
|
||
return true
|
||
end
|
||
local scheme = M.parse_url(vim.api.nvim_buf_get_name(bufnr))
|
||
return config.adapters[scheme] or config.adapter_aliases[scheme]
|
||
end
|
||
|
||
---This is a hack so we don't end up in insert mode after starting a task
|
||
---@param prev_mode string The vim mode we were in before opening a terminal
|
||
M.hack_around_termopen_autocmd = function(prev_mode)
|
||
-- It's common to have autocmds that enter insert mode when opening a terminal
|
||
vim.defer_fn(function()
|
||
local new_mode = vim.api.nvim_get_mode().mode
|
||
if new_mode ~= prev_mode then
|
||
if string.find(new_mode, "i") == 1 then
|
||
vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes("<ESC>", true, true, true), "n", false)
|
||
if string.find(prev_mode, "v") == 1 or string.find(prev_mode, "V") == 1 then
|
||
vim.cmd.normal({ bang = true, args = { "gv" } })
|
||
end
|
||
end
|
||
end
|
||
end, 10)
|
||
end
|
||
|
||
---@return nil|integer
|
||
M.get_preview_win = function()
|
||
for _, winid in ipairs(vim.api.nvim_tabpage_list_wins(0)) do
|
||
if vim.api.nvim_win_is_valid(winid) and vim.wo[winid].previewwindow then
|
||
return winid
|
||
end
|
||
end
|
||
end
|
||
|
||
---@param bufnr integer
|
||
---@param preferred_win nil|integer
|
||
---@return nil|integer
|
||
M.buf_get_win = function(bufnr, preferred_win)
|
||
if
|
||
preferred_win
|
||
and vim.api.nvim_win_is_valid(preferred_win)
|
||
and vim.api.nvim_win_get_buf(preferred_win) == bufnr
|
||
then
|
||
return preferred_win
|
||
end
|
||
for _, winid in ipairs(vim.api.nvim_tabpage_list_wins(0)) do
|
||
if vim.api.nvim_win_is_valid(winid) and vim.api.nvim_win_get_buf(winid) == bufnr then
|
||
return winid
|
||
end
|
||
end
|
||
for _, winid in ipairs(vim.api.nvim_list_wins()) do
|
||
if vim.api.nvim_win_is_valid(winid) and vim.api.nvim_win_get_buf(winid) == bufnr then
|
||
return winid
|
||
end
|
||
end
|
||
return nil
|
||
end
|
||
|
||
return M
|