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local M = {}
---@param str string
---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
---@param str string
---Make lowercase, remove special chars, remove extraneous spaces
function M.plain_format(str)
str = str:gsub("[^%w%s]","")
str = str:lower()
str = M.trim(str)
str = str:gsub("%s+"," ")
return str
end
---@param str string
---@param char delimiter that replaces spaces (- for titles, _ for tags, = for sigs)
---Format the title/tags/sig string of a Denote filename
function M.format_denote_string(str, char)
str = M.plain_format(str)
if str == "" then return "" end
str = char .. char .. str:gsub("%s", char)
return str
end
---@param title string heading text
---@param ext string file extension
---Set the first line to title if it's an empty buffer or the first line is a heading
function M.set_heading(options, title)
if title == "" then return end
local first_char = vim.api.nvim_buf_get_lines(0, 0, 1, false)[1]:sub(1, 1)
if first_char == "" or first_char == options.heading_char then
local prefix = options.heading_char
if prefix ~= "" then prefix = prefix .. " " end
vim.api.nvim_buf_set_lines(0, 0, 1, false, {prefix .. title})
end
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 string
---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(options, og_title)
vim.cmd("norm! 2o")
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.title(options, filename, title)
local prefix = filename:match("^(.-%d%d%d%d%d%d%d%dT%d%d%d%d%d%d).*")
if not prefix then
error("This doesn't look like a Denote filename")
end
local sig = filename:match(".-(==[^%-%_%.]*)")
local tags = filename:match(".-(__.*)%..*")
if not tags then tags = "" end
if not sig then sig = "" end
title = M.trim(title)
if options.retitle_heading then
M.set_heading(options, title)
end
title = M.format_denote_string(title, "-")
local new_filename = prefix .. sig .. title .. tags .. "." .. options.ext
M.replace_file(filename, new_filename)
end
---@param options table
---@param filename string
---@param tags string
---Replaces the __tags in filename
function M.tag(options, filename, tags)
local prefix = filename:match("^(.*)__.*$")
if not prefix then
prefix = filename:match("^(.*)%..-$")
end
if not prefix:match("%d%d%d%d%d%d%d%dT%d%d%d%d%d%d") then
error("This doesn't look like a Denote filename")
end
tags = M.format_denote_string(tags, "_")
local new_filename = prefix .. tags .. "." .. options.ext
M.replace_file(filename, new_filename)
end
---@param options table
---@param filename string
---@param sig string
---Add/change the ==signature in the filename
function M.signature(options, filename, sig)
local prefix, suffix = filename:match("^(.-%d%d%d%d%d%d%d%dT%d%d%d%d%d%d)(.*)")
if not prefix then
error("This doesn't look like a Denote filename")
end
suffix = suffix:gsub("==[^%-%_%.]*", "")
sig = M.format_denote_string(sig, "=")
local new_filename = prefix .. sig .. suffix
M.replace_file(filename, new_filename)
end
return M
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