export lspc_select as lspc:select

This allows external code to reuse the select method.

Example visrc.lua:
	local lspc = require('plugins/vis-lspc')
	local choice = lspc:select({'A', 'B', 'C', '6'})

2 files changed, 16 insertions, 5 deletions

diff --git a/README.md b/README.md
index 0a0b6fc..b67bd9c 100644
--- a/README.md
+++ b/README.md
@@ -253,6 +253,17 @@ get_running_ls(win, explicit_syntax)
   - `win` - a window in which the language server is running
   - `explicit_syntax` - syntax of the language server if it differs from `win.syntax`
 
+#### `lspc.select`
+
+Select an item from a list of choices by calling the external program specified by `lspc.menu_cmd`.
+
+```lua
+lspc.select(lspc, choices) -- or
+lspc:select(choices)
+```
+
+  - `choices` - A numeric table containing the possible choices
+
 ## License
 
 All code except otherwise noted is licensed under the term of GPL-3.
diff --git a/init.lua b/init.lua
index 321518e..63610c7 100644
--- a/init.lua
+++ b/init.lua
@@ -215,7 +215,7 @@ local function lsp_range_starts_before(r1, r2)
 end
 
 -- concatenate all numeric values in choices and pass it on stdin to lspc.menu_cmd
-local function lspc_select(choices)
+function lspc:select(choices)
   local menu_input = ''
   local i = 0
   for _, c in ipairs(choices) do
@@ -228,8 +228,8 @@ local function lspc_select(choices)
     return choices[1]
   end
 
-  local fullscreen = lspc.menu_cmd == 'fzf'
-  local status, output = util.vis_pipe(menu_input, lspc.menu_cmd, fullscreen)
+  local fullscreen = self.menu_cmd == 'fzf'
+  local status, output = util.vis_pipe(menu_input, self.menu_cmd, fullscreen)
 
   local choice = nil
   if status == 0 then
@@ -307,7 +307,7 @@ local function lspc_select_location(locations)
   end
 
   -- select a location
-  local choice = lspc_select(choices)
+  local choice = lspc:select(choices)
   if not choice then
     return nil
   end
@@ -805,7 +805,7 @@ local function lspc_handle_completion_method_response(win, result, old_pos)
   end
 
   -- select a completion
-  local choice = lspc_select(choices)
+  local choice = lspc:select(choices)
   if not choice then
     return
   end