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local M = {}
--- Trim whitespace on either end of string
function M.trim(str)
local from = str:match"^%s*()"
return from > #str and "" or str:match(".*%S", from)
end
--- Make lowercase, remove special chars, remove extraneous spaces
function M.plain_format(string)
if not string then return "" end
string = string:gsub("[^%w%s]","")
string = string:lower()
string = M.trim(string)
string = string:gsub("%s+"," ")
return string
end
---@param string string
---@param char delimiter that replaces spaces (- for titles, _ for tags)
--- Format the title/tags string of a Denote filename
function M.format_denote_string(string, char)
string = M.plain_format(string)
if string == "" then return "" end
string = char .. char .. string:gsub("%s", char)
return string
end
---@param title string heading text
---@param ext string file extension
---Set the first line to title, including the appropriate heading char
function M.set_heading(title, ext)
local prefix = ""
if ext == "md" then
prefix = "# "
elseif ext == "org" or ext == "norg" then
prefix = "* "
end
vim.api.nvim_buf_set_lines(0, 0, 1, false, {prefix .. title})
end
---@param new_filename string
---@param old_filename string
---Save new file, delete old file
function M.replace_file(old_filename, new_filename)
if old_filename ~= new_filename then
vim.cmd('saveas ' .. new_filename)
vim.cmd('silent !rm ' .. old_filename)
end
end
---@param options table
---@param title string
---@param tags table|nil
---Edit a new note with a Denote filename
function M.note(options, title, tags)
title = M.trim(title)
local og_title = title
tags = M.format_denote_string(tags, "_")
title = M.format_denote_string(title, "-")
local file = options.dir .. os.date("%Y%m%dT%H%M%S")
file = file .. title .. tags .. "." .. options.ext
vim.cmd("edit " .. file)
if options.add_heading and og_title ~= "" then
M.set_heading(og_title, options.ext)
vim.cmd("norm! o")
end
vim.cmd("startinsert")
end
---@param options table
---@param filename string
---@param title string
--- Retitles the filename and changes the first heading of the note
function M.retitle(options, filename, title)
local new_filename = filename:match("^(.-%d%d%d%d%d%d%d%dT%d%d%d%d%d%d).*")
local tags = filename:match(".-(__.*)%..*")
if new_filename == nil then
error("This file doesn't look like it has a Denote-style name")
end
title = M.trim(title)
if options.retitle_heading and title ~= "" then
local first_char = vim.api.nvim_buf_get_lines(0, 0, 1, false)[1]:sub(1, 1)
if (first_char == "#" and options.ext == "md") or
(first_char == "*" and (options.ext == "org" or options.ext == "norg")) then
M.set_heading(title, options.ext)
end
end
title = M.format_denote_string(title, "-")
new_filename = new_filename .. title .. (tags or "") .. "." .. options.ext
M.replace_file(filename, new_filename)
end
---@param options table
---@param filename string
---@param new_tags table
---Replaces the tags in filename
function M.retag(options, filename, tags)
local new_filename = filename:match("^(.*)__.*$")
if new_filename == nil then
new_filename = filename:match("^(.*)%..*$")
end
tags = M.format_denote_string(tags, "_")
new_filename = new_filename .. tags .. "." .. options.ext
M.replace_file(filename, new_filename)
end
return M
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