neovim: refactor

1 files changed, 150 insertions, 0 deletions

diff --git a/.config/nvim/lua/vimrc/init.lua b/.config/nvim/lua/vimrc/init.lua
new file mode 100644
index 0000000..65d229e
--- /dev/null
+++ b/.config/nvim/lua/vimrc/init.lua
@@ -0,0 +1,150 @@
+local M = {}
+
+
+
+local vimrc_augroup
+
+function M.create_augroup_for_vimrc()
+   vimrc_augroup = vim.api.nvim_create_augroup('Vimrc', {})
+end
+
+function M.autocmd(event, opts)
+   if not opts.group then
+      opts.group = vimrc_augroup
+   end
+   vim.api.nvim_create_autocmd(event, opts)
+end
+
+
+
+function M.after_ftplugin(ft, callback)
+   local var_name = 'did_ftplugin_' .. ft .. '_after'
+   if vim.b[var_name] ~= nil then
+      return
+   end
+
+   callback(conf)
+
+   vim.b[var_name] = true
+end
+
+
+
+local function set_indentation(style, width)
+   vim.bo.expandtab = style
+   vim.bo.tabstop = width
+   vim.bo.shiftwidth = width
+   vim.bo.softtabstop = width
+end
+
+
+function M.register_filetype_autocmds_for_indentation()
+   local SPACE = true
+   local TAB = false
+
+   local indentation_settings = {
+      c          = { style = SPACE, width = 4 },
+      cmake      = { style = SPACE, width = 2 },
+      cpp        = { style = SPACE, width = 4 },
+      css        = { style = SPACE, width = 2 },
+      docbk      = { style = SPACE, width = 2 },
+      go         = { style = TAB,   width = 4 },
+      haskell    = { style = SPACE, width = 4 },
+      html       = { style = SPACE, width = 2 },
+      javascript = { style = SPACE, width = 2 },
+      json       = { style = SPACE, width = 2 },
+      leaf       = { style = SPACE, width = 4 },
+      lisp       = { style = SPACE, width = 2 },
+      lua        = { style = SPACE, width = 3 },
+      markdown   = { style = SPACE, width = 4 },
+      php        = { style = SPACE, width = 2 },
+      python     = { style = SPACE, width = 4 },
+      ruby       = { style = SPACE, width = 2 },
+      toml       = { style = SPACE, width = 2 },
+      typescript = { style = SPACE, width = 2 },
+      vim        = { style = SPACE, width = 4 },
+      xml        = { style = SPACE, width = 2 },
+      yaml       = { style = SPACE, width = 2 },
+   }
+
+   for ft, setting in pairs(indentation_settings) do
+      vimrc.autocmd('FileType', {
+         pattern = ft,
+         callback = function()
+            set_indentation(setting.style, setting.width)
+         end,
+      })
+   end
+end
+
+
+
+function M.hi(group, attributes)
+   vim.cmd(('highlight! %s %s'):format(group, attributes))
+end
+
+
+function M.hi_link(from, to)
+   vim.cmd(('highlight! link %s %s'):format(from, to))
+end
+
+
+M.map_callbacks = {}
+
+
+
+-- Wrapper of |getchar()|.
+function M.getchar()
+   local ch = vim.fn.getchar()
+   while ch == "\\<CursorHold>" do
+      ch = vim.fn.getchar()
+   end
+   return type(ch) == 'number' and vim.fn.nr2char(ch) or ch
+end
+
+
+-- Wrapper of |:echo| and |:echohl|.
+function M.echo(message, hl)
+   if not hl then
+      hl = 'None'
+   end
+   vim.cmd('redraw')
+   vim.api.nvim_echo({{ message, hl }}, false, {})
+end
+
+
+-- Wrapper of |getchar()|.
+function M.getchar_with_prompt(prompt)
+   M.echo(prompt, 'Question')
+   return M.getchar()
+end
+
+
+-- Wrapper of |input()|.
+-- Only when it is used in a mapping, |inputsave()| and |inputstore()| are
+-- required.
+function M.input(prompt)
+   vim.fn.inputsave()
+   local result = vim.fn.input(prompt)
+   vim.fn.inputrestore()
+   return result
+end
+
+
+function M.term(s)
+   return vim.api.nvim_replace_termcodes(s, true, true, true)
+end
+
+
+
+function M.iabbrev(from, to)
+   vim.cmd(('inoreabbrev %s %s'):format(from, to))
+end
+
+
+function M.cabbrev(from, to)
+   vim.cmd(('cnoreabbrev %s %s'):format(from, to))
+end
+
+
+return M