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local M = {}
local config = require("denote-fzf-lua.config")
local fzflua = require('fzf-lua')
local builtin = require("fzf-lua.previewer.builtin")
--- fzf-lua custom previewer (recombines search result fields into a filename)
M.recombine_previewer = builtin.buffer_or_file:extend()
function M.recombine_previewer:new(o, opts, fzf_win)
M.recombine_previewer.super.new(self, o, opts, fzf_win)
setmetatable(self, M.recombine_previewer)
return self
end
function M.recombine_previewer:parse_entry(entry_str)
local path = entry_str:match("([^:]+:%d%d:[^:]+):?")
return {
path = M.recombine_filename(path),
line = 1,
col = 1,
}
end
function M.copy_table(table)
local new_table = {}
for k, v in pairs(table) do
new_table[k] = v
end
return new_table
end
---@param force_slow boolean - If true, act as if we don't have dependencies
---Check for dependencies and optional dependencies
function M.has_prereqs(force_slow)
if vim.fn.executable('fzf') ~= 1 then return "no" end
if force_slow then return "partial" end
if vim.fn.executable('fd') ~= 1 then return "partial" end
if vim.fn.executable('sd') ~= 1 then return "partial" end
if vim.fn.executable('qsv') ~= 1 then return "partial" end
return "yes"
end
---@param force_slow boolean - If true, act as if we don't have dependencies
---Sets the full path of the appropriate search script (regular or fallback)
function M.set_script_path(force_slow)
local lua_file_path = debug.getinfo(1, "S").source:sub(2)
local lua_file_dir = vim.fn.fnamemodify(lua_file_path, ":h")
local script_path = lua_file_dir .. "/denote-fzf-lua/scripts/"
local dependencies = M.has_prereqs(force_slow)
if dependencies == "yes" then
script_path = script_path .. "search_files.sh"
elseif dependencies == "partial" then
script_path = script_path .. "fallback_search_files.sh"
else
error("Missing dependency: fzf")
return false
end
return script_path
end
---@param options table of user options
---Format the --with-nth argument for fzf (which fields are shown)
function M.format_fzf_with_nth(options)
local fzf_with_nth = ""
local fields = {"path", "date", "time", "sig", "title", "keywords", "ext" }
for i, v in ipairs(fields) do
if options.search_fields[v] then
fzf_with_nth = fzf_with_nth .. i .. ','
end
end
return fzf_with_nth:sub(1, -2)
end
---@param f string - Field from search result
---@param delim string delimiter character
---Puts a field from the search results back into Denote format (e.g. two words to --two-words)
function M.repopulate_field(f, delim)
if f == "." then
return ""
else
return delim .. delim .. f:gsub("%s",delim)
end
end
---@param filename string chopped up string with fields separated by multiple spaces
function M.recombine_filename(filename)
local t = {}
filename = filename:gsub("%s%s+", "|")
t.path, t.year, t.month, t.day, t.hour, t.min, t.sec, t.sig, t.title, t.keywords, t.ext =
filename:match("^(.*/)|(%d%d%d%d)%-(%d%d)%-(%d%d)|(%d%d):(%d%d):(%d%d)|([^|]+)|([^|]+)|([^|]+)|(%..+)")
t.sig = M.repopulate_field(t.sig,"=")
t.title = M.repopulate_field(t.title,"-")
t.keywords = M.repopulate_field(t.keywords,"_")
return t.path .. t.year .. t.month .. t.day .. "T" .. t.hour .. t.min .. t.sec .. t.sig .. t.title .. t.keywords .. t.ext
end
---@param options table of user options
---Opens a window to search filenames
function M.search_files(options)
script_path = M.set_script_path(options.force_slow_mode)
if not script_path then return end
local opts = {}
opts.previewer = M.recombine_previewer
opts.fzf_opts = M.copy_table(options.fzf_lua_opts.fzf_opts)
opts.fzf_opts["--with-nth"] = M.format_fzf_with_nth(options)
opts.fzf_opts['--header-lines'] = 1
opts.fzf_opts['--delimiter'] = "\\s{2,}"
-- print(vim.inspect(opts))
opts.actions = {
['default'] = function(selected, opts)
local filename = M.recombine_filename(selected[1])
vim.api.nvim_command('edit ' .. filename)
end }
fzflua.fzf_exec(script_path .. " " .. options.dir, opts)
end
--- Performs a standard rg search
function M.search_contents(options)
local opts = {}
opts.cwd = options.dir
opts.previewer = "builtin"
opts.fzf_opts = options.fzf_lua_opts.fzf_opts
opts.actions = fzflua.defaults.actions.files
return fzflua.fzf_live(function(q)
return "rg --column --color=always -i -- " .. vim.fn.shellescape(q or '')
end, opts)
end
---@param options table of user options
---Creates Neovim command :DenoteSearch
function M.load_cmd(options)
vim.api.nvim_create_user_command("DenoteSearch", function(opts)
if opts.fargs[1] == "files" then
M.search_files(options)
elseif opts.fargs[1] == "contents" then
M.search_contents(options)
else
error("Unsupported operation " .. opts.fargs[1])
end
end, {
nargs = 1,
complete = function()
return {"files", "contents"}
end,
})
end
---@param options? table user configuration
function M.setup(options)
options = vim.tbl_deep_extend("force", config.defaults, options or {})
fzflua.setup(options.fzf_lua_opts)
M.load_cmd(options)
end
return M
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