feat(log): improve logger api

autoload/SpaceVim/logger.vim

@@ -15,10 +15,11 @@ if has('nvim-0.5.0')
           \ )
   endfunction
   ""
-  " write warning message to spacevim runtime log.
+  " write warning {msg} to spacevim runtime log.
-  " by default, the warning message will not be printed in cmdline, if
+  " The `msg` must be string. the second argument is optional, It can a
-  " `silent` is set, and is `0`, the warning message will be printed to
+  " boolean or `0/1`. By default, the warning message will not be printed,
-  " cmdline.
+  " if the second argument is given, and is `0` or false, the warning msg
+  " will be printed to screen.
   function! SpaceVim#logger#warn(msg, ...) abort
     let issilent = get(a:000, 0, 1)
     lua require("spacevim.logger").warn(

doc/SpaceVim.txt

@@ -1683,9 +1683,10 @@ SpaceVim#logger#info({msg})                           *SpaceVim#logger#info()*
   write message to SpaceVim runtime log with `info` level.
 
 SpaceVim#logger#warn({msg})                           *SpaceVim#logger#warn()*
-  write warning message to spacevim runtime log. by default, the warning
+  write warning {msg} to spacevim runtime log. The `msg` must be string. the
-  message will not be printed in cmdline, if `silent` is set, and is `0`, the
+  second argument is optional, It can a boolean or `0/1`. By default, the
-  warning message will be printed to cmdline.
+  warning message will not be printed, if the second argument is given, and is
+  `0` or false, the warning msg will be printed to screen.
 
 SpaceVim#logger#error({msg})                         *SpaceVim#logger#error()*
   write error message to spacevim runtime log.

docs/api/logger.md

@@ -22,7 +22,7 @@ description: "logger API provides some basic functions for log message when crea
 | name                  | description                       |
 | --------------------- | --------------------------------- |
 | `set_name(string)`    | set the name of current logger    |
-| `set_silent(0 or 1)`  | enable/disable silent mode        |
+| `set_silent(silent)`  | enable/disable silent mode, `silent` should be boolean or 0/1       |
 | `set_verbose(number)` | set the verbose level             |
 | `set_level(number)`   | set the logger level              |
 | `error(string)`       | log error message                 |

lua/spacevim/api/logger.lua

@@ -8,29 +8,43 @@
 
 local fn = vim.fn or require('spacevim').fn
 
-local cmd = require('spacevim').cmd
+local nt = require('spacevim.api.notify')
+
+local rtplog = {}
 
 local M = {
-  ['name'] = '',
+  name = '',
-  ['silent'] = 1,
+  silent = 1,
-  ['level'] = 1,
+  level = 1,
-  ['verbose'] = 1,
+  verbose = 1,
-  ['file'] = '',
+  file = '',
-  ['temp'] = {},
+  temp = {},
 }
 
--- 0 : log debug, info, warn, error messages
--- 1 : log info, warn, error messages
--- 2 : log warn, error messages
--- 3 : log error messages
 M.levels = { 'Info ', 'Warn ', 'Error', 'Debug' }
 M.clock = fn.reltime()
 
 function M.set_silent(sl)
-  M.silent = sl
+  if type(sl) == 'boolean' then
+    M.silent = sl
+  elseif type(sl) == 'number' then
+    -- this is for backward compatibility.
+    if sl == 1 then
+      M.silent = true
+    elseif sl == 0 then
+      M.silent = false
+    end
+  end
 end
 
 function M.set_verbose(vb)
+  -- verbose should be 1 - 4
+  -- message type: log debug, info, warn, error
+  -- info and debug should not be print to screen.
+  -- the default verbose is 1
+  -- 1: notify nothing
+  -- 2: notify only error
+  -- 3: notify warn and error
   M.verbose = vb
 end
 
@@ -47,30 +61,27 @@ end
 
 function M._build_msg(msg, l)
   msg = msg or ''
-  -- local time = fn.strftime('%H:%M:%S')
-  -- error(string.format("Tried to call API function with vim.fn: use vim.api.%s instead", key))
-  -- local log = '[ ' ..  M.name .. ' ] [' .. time .. '] [ ' .. M.levels[l] .. '] ' .. msg
-  -- change the format to
-  -- [ name ] [00:00:00:000] [level] msg
-  -- https://github.com/neovim/neovim/issues/4433
-  -- string.format("%s:%03d", os.date("%H:%M:%S"), vim.loop.now() % 1000)
-  -- local clock = fn.reltimefloat(fn.reltime(M.clock))
-  -- local h = fn.float2nr(clock / 60 / 60)
-  -- local m = fn.float2nr(clock / 60)
-  -- local s = fn.float2nr(clock) % 60
-  -- local mic = string.format('%00.3f', clock - fn.float2nr(clock))
   local _, mic = vim.loop.gettimeofday()
-  local c = string.format("%s:%03d", os.date("%H:%M:%S"), mic / 1000)
+  local c = string.format('%s:%03d', os.date('%H:%M:%S'), mic / 1000)
-  local log = string.format('[ %s ] [%s] [ %s ] %s', M.name, c, M.levels[l], msg)
+  -- local log = string.format('[ %s ] [%s] [ %s ] %s', M.name, c, M.levels[l], msg)
-  return log
+
+  return {
+    name = M.name,
+    time = c,
+    msg = msg,
+    level = l,
+    str = string.format('[ %s ] [%s] [ %s ] %s', M.name, c, M.levels[l], msg),
+  }
+end
+
+function M.write(log)
+  table.insert(M.temp, log)
+  table.insert(rtplog, log.str)
 end
 
 function M.debug(msg)
   if M.level <= 0 then
     local log = M._build_msg(msg, 4)
-    if M.silent == 0 and M.verbose >= 4 then
-      cmd('echom "' .. log .. '"')
-    end
     M.write(log)
   end
 end
@@ -78,34 +89,30 @@ end
 function M.error(msg)
   local log = M._build_msg(msg, 3)
   if M.silent == 0 and M.verbose >= 1 then
-    cmd('echohl Error')
+    nt.notify(msg, 'Error')
-    cmd('echom "' .. log .. '"')
-    cmd('echohl None')
   end
   M.write(log)
 end
 
-function M.write(msg)
-  table.insert(M.temp, msg)
-  if M.file ~= '' then
-    if fn.isdirectory(fn.fnamemodify(M.file, ':p:h')) == 0 then
-      fn.mkdir(fn.expand(fn.fnamemodify(M.file, ':p:h')), 'p')
-    end
-    local flags = ''
-    if fn.filereadable(M.file) == 1 then
-      flags = 'a'
-    end
-    fn.writefile({ msg }, M.file, flags)
-  end
-end
-
 function M.warn(msg, ...)
   if M.level <= 2 then
     local log = M._build_msg(msg, 2)
-    if (M.silent == 0 and M.verbose >= 2) or select(1, ...) == 0 then
+    local issilent = select(1, ...)
-      cmd('echohl WarningMsg')
+    if type(issilent) == 'number' then
-      cmd('echom "' .. log .. '"')
+      if issilent == 1 then
-      cmd('echohl None')
+        issilent = true
+      else
+        issilent = false
+      end
+    elseif type(issilent) ~= 'boolean' then
+      issilent = false
+    end
+    if not issilent then
+      nt.notify(msg, 'WarningMsg')
+    else
+      if not M.silent and M.verbose >= 2 then
+        nt.notify(msg, 'WarningMsg')
+      end
     end
     M.write(log)
   end
@@ -114,65 +121,33 @@ end
 function M.info(msg)
   if M.level <= 1 then
     local log = M._build_msg(msg, 1)
-    if M.silent == 0 and M.verbose >= 3 then
-      cmd('echom "' .. log .. '"')
-    end
     M.write(log)
   end
 end
 
+function M.view_all()
+  local info = table.concat(rtplog, '\n')
+  return info
+end
+
 function M.view(l)
   local info = ''
-  local logs = ''
+  for _, log in ipairs(M.temp) do
-  if fn.filereadable(M.file) == 1 then
+    if log.level >= l then
-    logs = fn.readfile(M.file, '')
+      info = info .. log.str .. '\n'
-    info = info .. fn.join(fn.filter(logs, 'self._comp(v:val, a:l)'), '\n')
-  else
-    info = info
-      .. '[ '
-      .. M.name
-      .. ' ] : logger file '
-      .. M.file
-      .. ' does not exists, only log for current process will be shown!'
-      .. '\n'
-    for key, value in pairs(M.temp) do
-      if M._comp(value, l) == 1 then
-        info = info .. value .. '\n'
-      end
     end
   end
   return info
 end
 
-function M._comp(msg, l)
-  -- if a:msg =~# '\[ ' . self.name . ' \] \[\d\d\:\d\d\:\d\d\] \[ '
-  if string.find(msg, M.levels[2]) ~= nil then
-    return 1
-  elseif string.find(msg, M.levels[1]) ~= nil then
-    if l > 2 then
-      return 0
-    else
-      return 1
-    end
-  else
-    if l > 1 then
-      return 0
-    else
-      return 1
-    end
-  end
-end
-
 function M.set_name(name)
-  M.name = name
+  if type(name) == 'string' then
+    M.name = name
+  end
 end
 
 function M.get_name()
   return M.name
 end
 
-function M.set_file(file)
-  M.file = file
-end
-
 return M

lua/spacevim/logger.lua

@@ -49,7 +49,8 @@ function M.setOutput(file)
 end
 
 function M.viewRuntimeLog()
-  local info = '### SpaceVim runtime log :\n\n' .. logger.view(logger.level)
+  -- this function should be more faster, and view runtime log without filter
+  local info = '### SpaceVim runtime log :\n\n' .. logger.view_all()
   cmd('tabnew')
   cmd('setl nobuflisted')
   cmd('nnoremap <buffer><silent> q :tabclose!<CR>')