Moved to presser subdirectory
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130
init.lua
130
init.lua
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local popup = require'plenary.popup'
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local utils = require'presser.utils'
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local api = vim.api
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local presser = {} -- list of functions to be exported
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local g = vim.g
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g.presser_buf_ctx = {} -- setup a new global context manager for windows/buffers
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-- :@Dev: close all Presser windows that may be open for all contexts
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presser.close = function ()
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for _type, ctx in pairs( g.presser_buf_ctx ) do
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for _, win_id in pairs( ctx ) do
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api.nvim_win_close( win_id, true ) -- buffer contents are irrelevant in this context to save
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end
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end
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g.presser_buf_ctx = {} -- clear the global context manager
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end
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-- @Description: Construct a new instance of a window and buffer using the 'plenary.popup' module.
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-- @Params:
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-- + `_type` ~ string denoting which context manager is owner of the window.
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-- + `placeholder` ~ string allowing for placeholder text to be placed within the buffer when constructed.
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-- + `opts` ~ a table of additional options to be provided when constructing the window.
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-- @Returns: nil. Constructs a new window and stores the window's ID in a global table.
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--
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-- @Dev: This function is to be as generic for creating a window whilst allowing for as much customisation over the
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-- window/buffer which are to be constructed. Users are to access this function so is not part of the module export.
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-- However, it's used by all internal built-ins which are meant to be used by users. Consider a class constructor in
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-- C++, this function is akin to that behaviour and is responsible for constructing the window/buffer and ensuring it
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-- can be tracked by Vim itself.
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local new = function ( _type, placeholder, opts )
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-- create new manager for handling windows in the
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local manager = g.presser_buf_ctx
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-- create specific context manager if it doesn't exist
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if not manager[_type] then
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manager[_type] = {}
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g.presser_buf_ctx = manager
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end
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local opts = opts or {}
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local placeholder = placeholder or ""
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local buf_opts = {
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minwidth = 80, -- getwin_w() / 2 - ((getwin_w() % 2) / 2),
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borderchars = { "─", "│", "─", "│", "╭", "╮", "╯", "╰" },
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}
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if opts.window then
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for k,v in pairs( opts.window ) do
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buf_opts[k] = v
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end
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end
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local obj = popup.create( placeholder, buf_opts )
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table.insert( manager[_type], obj )
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g.presser_buf_ctx = manager
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-- :@Dev: handle for keybindings (TODO: any future stuff below here once window is made)
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local buf_id = function ()
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return api.nvim_win_get_buf(obj)
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end
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-- handle for key bindings
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if opts.keybinds then
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for mode, mode_map in pairs( opts.keybinds ) do
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mode = string.lower(mode)
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for key_bind, key_action in pairs(mode_map) do
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local key_bind = api.nvim_replace_termcodes(key_bind, true, false, true),
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api.nvim_buf_set_keymap(buf_id(), mode, key_bind, key_action,
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{ noremap = true, silent = true }
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)
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end
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end
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end
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end
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-- @Description: Find and replace words within the current buffer.
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-- @Params:
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-- @Returns: nil.
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--
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-- @Dev: function is responsible to creating all required buffers to allow full user interaction.
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--
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-- @Future: implementation may allow for greater user customisation similar to what's found with
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-- extensions such as Telescope. For now, it should provide a concrete UI for purpose of design.
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function presser.find_replace()
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-- define the context which these windows will belong to in the context manager.
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local ctx = "find_replace"
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local keymap = {
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n = {
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["<esc>"] = "<cmd>lua require'presser'.close()<CR>",
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},
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}
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-- options for the title buffer of the built-in
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local opts = {
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window = {
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line = 12,
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border = false,
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minwidth = 82,
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padding = { 0, 1, 1, 1 }
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},
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keybinds = keymap,
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}
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local tab_title = new( ctx, "Find & Replace", opts )
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-- options for the replace buffer
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local opts = {
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window = {
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line = 18,
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title = "Replace",
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},
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keybinds = keymap,
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}
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local replace = new( ctx, nil, opts )
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-- modify options for find buffer
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opts["window"]["line"] = 15
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opts["window"]["title"] = "Find"
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local find = new ( ctx, nil, opts )
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api.nvim_feedkeys('A', 'n', false)
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end
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return presser
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40
utils.lua
40
utils.lua
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@ -1,40 +0,0 @@
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local M = {}
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M.iter_table_dump = function ( arr )
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for k, v in pairs(arr) do
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print("Table:", k, v)
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end
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end
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local escape_chars = function ( text )
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return string.gsub(text, "[%(|%)|\\|%[|%]|%-|%{%}|%?|%+|%*|%^|%$|%.]", {
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["\\"] = "\\\\",
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["-"] = "\\-",
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["("] = "\\(",
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[")"] = "\\)",
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["["] = "\\[",
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["]"] = "\\]",
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["{"] = "\\{",
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["}"] = "\\}",
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["?"] = "\\?",
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["+"] = "\\+",
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["*"] = "\\*",
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["^"] = "\\^",
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["$"] = "\\$",
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["."] = "\\.",
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})
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end
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-- :@dev: clean the text once it has been fetched from buffer
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M.clean_buf = function ( text )
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if not type(text) == "string" or text == nil then
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print("[DEBUG - clean_buf] Given input is not of type string.")
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return
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end
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return escape_chars( text )
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:match( "^%s*(.-)%s*$" )
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end
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return M
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