Add basic support for [No Name] buffers (fix #55)

Author: Jorengarenar

doc/editorconfig.txt

@@ -153,6 +153,15 @@ To set this option, add any of the following lines to your |vimrc| file:
 <
 The default value is "line".
 
+                                            *g:EditorConfig_enable_for_new_buf*
+Set this to 1 if you want EditorConfig plugin to set options
+for new empty buffers too.
+Path to .editorconfig will be determined based on CWD (see |getcwd()|)
+>
+ let g:EditorConfig_enable_for_new_buf = 1
+<
+This option defaults to 0.
+
                                             *g:EditorConfig_preserve_formatoptions*
 Set this to 1 if you don't want your formatoptions modified when
 max_line_length is set:

plugin/editorconfig.vim

@@ -60,6 +60,10 @@ if !exists('g:EditorConfig_disable_rules')
     let g:EditorConfig_disable_rules = []
 endif
 
+if !exists('g:EditorConfig_enable_for_new_buf')
+    let g:EditorConfig_enable_for_new_buf = 0
+endif
+
 if !exists('g:EditorConfig_softtabstop_space')
     let g:EditorConfig_softtabstop_space = 1
 endif
@@ -203,9 +207,13 @@ endfunction " }}}1
 function! s:UseConfigFiles() abort " Apply config to the current buffer {{{1
     let b:editorconfig_tried = 1
     let l:buffer_name = expand('%:p')
-    " ignore buffers without a name
+
     if empty(l:buffer_name)
-        return
+        if g:EditorConfig_enable_for_new_buf
+            let l:buffer_name = getcwd() . "/."
+        else
+            return
+        endif
     endif
 
     if exists("b:EditorConfig_disable") && b:EditorConfig_disable
@@ -247,11 +255,11 @@ function! s:UseConfigFiles() abort " Apply config to the current buffer {{{1
     endfor
 
     if s:editorconfig_core_mode ==? 'vim_core'
-        if s:UseConfigFiles_VimCore() == 0
+        if s:UseConfigFiles_VimCore(l:buffer_name) == 0
             let b:editorconfig_applied = 1
         endif
     elseif s:editorconfig_core_mode ==? 'external_command'
-        call s:UseConfigFiles_ExternalCommand()
+        call s:UseConfigFiles_ExternalCommand(l:buffer_name)
         let b:editorconfig_applied = 1
     else
         echohl Error |
@@ -269,6 +277,7 @@ function! s:EditorConfigEnable(should_enable)
         autocmd!
         if a:should_enable
             autocmd BufNewFile,BufReadPost,BufFilePost * call s:UseConfigFiles()
+            autocmd VimEnter,BufNew * call s:UseConfigFiles()
         endif
     augroup END
 endfunction
@@ -289,29 +298,29 @@ call s:EditorConfigEnable(1)
 
 " UseConfigFiles function for different modes {{{1
 
-function! s:UseConfigFiles_VimCore()
+function! s:UseConfigFiles_VimCore(target)
 " Use the vimscript EditorConfig core
     try
         let l:config = editorconfig_core#handler#get_configurations(
-            \ { 'target': expand('%:p') } )
+            \ { 'target': a:target } )
         call s:ApplyConfig(l:config)
         return 0    " success
     catch
         return 1    " failure
     endtry
 endfunction
 
-function! s:UseConfigFiles_ExternalCommand()
+function! s:UseConfigFiles_ExternalCommand(target)
 " Use external EditorConfig core (e.g., the C core)
 
     call s:DisableShellSlash()
     let l:exec_path = shellescape(s:editorconfig_exec_path)
     call s:ResetShellSlash()
 
-    call s:SpawnExternalParser(l:exec_path)
+    call s:SpawnExternalParser(l:exec_path, a:target)
 endfunction
 
-function! s:SpawnExternalParser(cmd) " {{{2
+function! s:SpawnExternalParser(cmd, target) " {{{2
 " Spawn external EditorConfig. Used by s:UseConfigFiles_ExternalCommand()
 
     let l:cmd = a:cmd
@@ -323,7 +332,7 @@ function! s:SpawnExternalParser(cmd) " {{{2
     let l:config = {}
 
     call s:DisableShellSlash()
-    let l:cmd = l:cmd . ' ' . shellescape(expand('%:p'))
+    let l:cmd = l:cmd . ' ' . shellescape(a:target)
     call s:ResetShellSlash()
 
     let l:parsing_result = split(system(l:cmd), '\v[\r\n]+')