cleanup

1 files changed, 88 insertions, 0 deletions

diff --git a/plugin/cmp.lua b/plugin/cmp.lua
new file mode 100644
index 0000000..56b25f5
--- /dev/null
+++ b/plugin/cmp.lua
@@ -0,0 +1,88 @@
+local luasnip = require('luasnip')
+local cmp = require'cmp'
+
+local has_words_before = function()
+	unpack = unpack or table.unpack
+	local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+	return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match('%s') == nil
+end
+
+local kind_icons = {
+	Text = "",
+	Method = "",
+	Function = "",
+	Constructor = "",
+	Field = "",
+	Variable = "",
+	Class = "ﴯ",
+	Interface = "",
+	Module = "",
+	Property = "ﰠ",
+	Unit = "",
+	Value = "",
+	Enum = "",
+	Keyword = "",
+	Snippet = "",
+	Color = "",
+	File = "",
+	Reference = "",
+	Folder = "",
+	EnumMember = "",
+	Constant = "",
+	Struct = "",
+	Event = "",
+	Operator = "",
+	TypeParameter = ""
+}
+
+cmp.setup({
+	snippet = {
+		expand = function(args)
+			require('luasnip').lsp_expand(args.body)
+		end,
+	},
+	window = {
+	},
+	mapping = cmp.mapping.preset.insert({
+		['<Tab>'] = cmp.mapping(function(fallback)
+			if cmp.visible() then
+				cmp.select_next_item()
+			elseif luasnip.expand_or_jumpable() then
+				luasnip.expand_or_jump()
+			elseif has_words_before() then
+				cmp.complete()
+			else
+				fallback()
+			end
+		end, { 'i', 's' }),
+
+		['<S-Tab>'] = cmp.mapping(function(fallback)
+			if cmp.visible() then
+				cmp.select_prev_item()
+			elseif luasnip.jumpable(-1) then
+				luasnip.jump(-1)
+			else
+				fallback()
+			end
+		end, { 'i', 's' }),
+	}),
+	sources = cmp.config.sources({
+		{ name = 'nvim_lsp' },
+		{ name = 'luasnip' },
+		{ name = 'omni' },
+		{ name = 'buffer' },
+	}),
+	formatting = {
+		format = function(entry, vim_item)
+			vim_item.kind = string.format('%s %s', kind_icons[vim_item.kind], vim_item.kind)
+			vim_item.menu = ({
+				buffer = "[Buffer]",
+				nvim_lsp = "[LSP]",
+				luasnip = "[LuaSnip]",
+				nvim_lua = "[Lua]",
+				latex_symbols = "[LaTeX]",
+			})[entry.source.name]
+			return vim_item
+		end
+	},
+})