support custom table type keyword (#450)

* support custom table type keyword

* remove custom split function use vim.split

* remove unused varable fix test

* rewrite get extensions subcommand

* add comment

* remove blankline

* check the param in default options

* revert

* add register keyword function

2 files changed, 56 insertions, 40 deletions

diff --git a/lua/telescope/command.lua b/lua/telescope/command.lua
index c8d7336..d28f540 100644
--- a/lua/telescope/command.lua
+++ b/lua/telescope/command.lua
@@ -66,7 +66,7 @@ end
 --   opts = {
 --      cwd = '***',
 -- }
-function command.run_command(args)
+local function run_command(args)
   local user_opts = args or {}
   if next(user_opts) == nil and not user_opts.cmd then
     print('[Telescope] your command miss args')
@@ -101,4 +101,56 @@ function command.run_command(args)
   end
 end
 
+-- @Summary get extensions sub command
+-- register extensions dap gh etc.
+-- input in command line `Telescope gh <TAB>`
+-- It will show a list that all extensions sub command list
+-- ['commands','list_breakpoints','variables','issues','gist','pull_request']
+function command.get_extensions_subcommand()
+  local exts = require('telescope._extensions').manager
+  local complete_ext_table = {}
+  for _,value in pairs(exts) do
+    if type(value) == "table" then
+      for key,_ in pairs(value) do
+        table.insert(complete_ext_table,key)
+      end
+    end
+  end
+  return complete_ext_table
+end
+
+local split_keywords = {
+  ['find_command'] = true,
+  ['vimgrep_arguments'] = true,
+  ['sections'] = true
+}
+
+function command.register_keyword(keyword)
+  split_keywords[keyword] = true
+end
+
+function command.load_command(cmd,...)
+  local args = {...}
+  local user_opts = {}
+  user_opts['cmd'] = cmd
+  user_opts.opts = {}
+
+  for _,arg in ipairs(args) do
+    if arg:find('=',1) == nil then
+      user_opts['extension_type'] = arg
+    else
+      local param = vim.split(arg,'=')
+      if param[1] == 'theme' then
+        user_opts['theme'] = param[2]
+      elseif split_keywords[param[1]] then
+        user_opts.opts[param[1]] = vim.split(param[2],',')
+      else
+        user_opts.opts[param[1]] = param[2]
+      end
+    end
+  end
+
+  run_command(user_opts)
+end
+
 return command
diff --git a/plugin/telescope.vim b/plugin/telescope.vim
index 8317cfa..b3668d9 100644
--- a/plugin/telescope.vim
+++ b/plugin/telescope.vim
@@ -60,16 +60,7 @@ function! s:telescope_complete(arg,line,pos)
   let l:builtin_list = luaeval('vim.tbl_keys(require("telescope.builtin"))')
   let l:extensions_list = luaeval('vim.tbl_keys(require("telescope._extensions").manager)')
   let l:options_list = luaeval('vim.tbl_keys(require("telescope.config").values)')
-  let ext_type = v:lua.require('telescope._extensions').manager
-  let l:ext_type_list = []
-
-  if !empty(ext_type)
-    for val in values(ext_type)
-      if type(val) == 3
-        call extend(l:ext_type_list,keys(val))
-      endif
-    endfor
-  endif
+  let l:extensions_subcommand_list = luaeval('require("telescope.command").get_extensions_subcommand()')
 
   let list = [extend(l:builtin_list,l:extensions_list),l:options_list]
   let l = split(a:line[:a:pos-1], '\%(\%(\%(^\|[^\\]\)\\\)\@<!\s\)\+', 1)
@@ -81,7 +72,7 @@ function! s:telescope_complete(arg,line,pos)
 
   if n == 1
     if index(l:extensions_list,l[1]) >= 0
-      return join(l:ext_type_list,"\n")
+      return join(l:extensions_subcommand_list,"\n")
     endif
     return join(list[1],"\n")
   endif
@@ -91,32 +82,5 @@ function! s:telescope_complete(arg,line,pos)
   endif
 endfunction
 
-function! s:load_command(builtin,...) abort
-  let user_opts = {}
-  let user_opts.cmd = a:builtin
-  let user_opts.opts = {}
-
-  " range command args
-  " if arg in lua code is table type,we split command string by `,` to vimscript
-  " list type.
-  for arg in a:000
-    if stridx(arg,'=') < 0
-      let user_opts.extension_type = arg
-      continue
-    endif
-    " split args by =
-    let arg_list = split(arg,'=')
-    if arg_list[0] == 'find_command' || arg_list[0] == 'vimgrep_arguments'
-      let user_opts.opts[arg_list[0]] = split(arg_list[1],',')
-    elseif arg_list[0] == 'theme'
-      let user_opts.theme = arg_list[1]
-    else
-      let user_opts.opts[arg_list[0]] = arg_list[1]
-    endif
-  endfor
-
-  call v:lua.require('telescope.command').run_command(user_opts)
-endfunction
-
 " Telescope Commands with complete
-command! -nargs=+ -complete=custom,s:telescope_complete Telescope          call s:load_command(<f-args>)
+command! -nargs=+ -complete=custom,s:telescope_complete Telescope    lua require('telescope.command').load_command(<f-args>)