From e44b188a497576393fab62d021e9f87c3ffe3a85 Mon Sep 17 00:00:00 2001
From: Ivan Tishchenko <ivan.tishchenko@dsr-company.con>
Date: Tue, 6 Jan 2015 23:13:28 +0300
Subject: [PATCH] :VimwikiGenerateTags

---
 autoload/vimwiki/base.vim | 33 +++++++++++++++++++++++++++++++++
 doc/vimwiki.txt           |  5 +++++
 ftplugin/vimwiki.vim      |  2 ++
 3 files changed, 40 insertions(+)

diff --git a/autoload/vimwiki/base.vim b/autoload/vimwiki/base.vim
index f5c792a..b368042 100644
--- a/autoload/vimwiki/base.vim
+++ b/autoload/vimwiki/base.vim
@@ -2105,6 +2105,39 @@ function! vimwiki#base#get_tags(metadata) "{{{
   return keys(tags)
 endfunction " }}}
 
+" vimwiki#base#generate_tags
+"   Similar to vimwiki#base#generate_links.  In the current buffer, appends
+"   tags and references to all their instances.  If no arguments (tags) are
+"   specified, outputs all tags.
+function! vimwiki#base#generate_tags(...) abort "{{{
+  let need_all_tags = (a:0 == 0)
+  let specific_tags = a:000
+
+  let metadata = vimwiki#base#load_tags_metadata()
+
+  call append(line('$'), [
+        \ '',
+        \ substitute(g:vimwiki_rxH1_Template, '__Header__', 'Generated Tags', '') ])
+
+  call sort(metadata)
+
+  let bullet = repeat(' ', vimwiki#lst#get_list_margin()).
+        \ vimwiki#lst#default_symbol().' '
+  let current_tag = ''
+  for entry in metadata
+    if need_all_tags || index(specific_tags, entry.tagname) != -1
+      if entry.tagname != current_tag
+        let current_tag = entry.tagname
+        call append(line('$'), [
+              \ '',
+              \ substitute(g:vimwiki_rxH2_Template, '__Header__', entry.tagname, ''),
+              \ '' ])
+      endif
+      call append(line('$'), bullet . '[[' . entry.link . ']]')
+    endif
+  endfor
+endfunction " }}}
+
 " }}}
 
 " Command completion functions {{{
diff --git a/doc/vimwiki.txt b/doc/vimwiki.txt
index a1db1b3..70bf723 100644
--- a/doc/vimwiki.txt
+++ b/doc/vimwiki.txt
@@ -712,6 +712,11 @@ il                      A single list item.
     Searches over the pages in current wiki and finds all locations of a given
     tag.  Supports |cmdline-completion|.
 
+*:VimwikiGenerateTags*
+    Similar to |:VimwikiGenerateLinks|.  In the current buffer, appends tags
+    and references to all their instances.  Supports |cmdline-completion|.  If
+    no arguments (tags) are specified, outputs all tags.
+
 ==============================================================================
 5. Wiki syntax                                                *vimwiki-syntax*
 
diff --git a/ftplugin/vimwiki.vim b/ftplugin/vimwiki.vim
index aa8dd17..434ed52 100644
--- a/ftplugin/vimwiki.vim
+++ b/ftplugin/vimwiki.vim
@@ -306,6 +306,8 @@ command! -buffer VimwikiDiaryPrevDay call vimwiki#diary#goto_prev_day()
 command! -buffer VimwikiRebuildTags call vimwiki#base#update_tags(1)
 command! -buffer -nargs=* -complete=custom,vimwiki#base#complete_tags
       \ VimwikiSearchTags VimwikiSearch /:<args>:/
+command! -buffer -nargs=* -complete=custom,vimwiki#base#complete_tags
+      \ VimwikiGenerateTags call vimwiki#base#generate_tags(<f-args>)
 
 " COMMANDS }}}