From 2ad1fe1e3c4a76d68dae5c0fc9ff629065b976b2 Mon Sep 17 00:00:00 2001
From: Aasif Versi <versi786@gmail.com>
Date: Thu, 12 Nov 2020 21:44:41 -0500
Subject: [PATCH] Add ability to search all open buffers

Closes #189
---
 autoload/ack.vim | 22 ++++++++++++++++++++++
 doc/ack.txt      | 10 ++++++++++
 plugin/ack.vim   |  3 +++
 3 files changed, 35 insertions(+)

diff --git a/autoload/ack.vim b/autoload/ack.vim
index b6afdba4..c8edcd12 100644
--- a/autoload/ack.vim
+++ b/autoload/ack.vim
@@ -79,6 +79,7 @@ endfunction "}}}
 
 function! ack#AckWindow(cmd, args) "{{{
   let files = tabpagebuflist()
+  echom string(files)
 
   " remove duplicated filenames (files appearing in more than one window)
   let files = filter(copy(sort(files)), 'index(files,v:val,v:key+1)==-1')
@@ -94,6 +95,27 @@ function! ack#AckWindow(cmd, args) "{{{
   call ack#Ack(a:cmd, args)
 endfunction "}}}
 
+function! ack#AckBuffers(cmd, args) "{{{
+  echom "test"
+  echom string(getbufinfo())
+  let files = map(filter(copy(getbufinfo()), 'v:val.listed'), 'v:val.bufnr')
+  echom string(files)
+
+  " remove duplicated filenames (files appearing in more than one window)
+  let files = filter(copy(sort(files)), 'index(files,v:val,v:key+1)==-1')
+  call map(files, "bufname(v:val)")
+
+  " remove unnamed buffers as quickfix (empty strings before shellescape)
+  call filter(files, 'v:val != ""')
+
+  " expand to full path (avoid problems with cd/lcd in au QuickFixCmdPre)
+  let files = map(files, "shellescape(fnamemodify(v:val, ':p'))")
+  let args = a:args . ' ' . join(files)
+
+  call ack#Ack(a:cmd, args)
+endfunction "}}}
+
+
 function! ack#ShowResults() "{{{
   let l:handler = s:UsingLocList() ? g:ack_lhandler : g:ack_qhandler
   execute l:handler
diff --git a/doc/ack.txt b/doc/ack.txt
index 22e884bc..554261db 100644
--- a/doc/ack.txt
+++ b/doc/ack.txt
@@ -41,6 +41,16 @@ shows the results in a split window.
     Just like |:AckAdd| but instead of the |quickfix| list, matches are added
     to the current |location-list|
 
+:AckBuffers[!] [options] {pattern}                               *:AckBuffers*
+
+    Search all buffers visible in the screen (current tab page only) files for
+    the {pattern}.
+
+:LAckBuffers [options] {pattern}                                *:LAckBuffers*
+
+    Just like |:AckBuffers| but instead of the |quickfix| list, matches are
+    placed in the current |location-list|.
+
 :AckFile [options] {pattern} [{directory}]                          *:AckFile*
 
     Search recursively in {directory} (which defaults to the current
diff --git a/plugin/ack.vim b/plugin/ack.vim
index 202ae2ea..829a0c9e 100644
--- a/plugin/ack.vim
+++ b/plugin/ack.vim
@@ -72,12 +72,15 @@ command! -bang -nargs=* -complete=file AckAdd        call ack#Ack('grepadd<bang>
 command! -bang -nargs=* -complete=file AckFromSearch call ack#AckFromSearch('grep<bang>', <q-args>)
 command! -bang -nargs=* -complete=file LAck          call ack#Ack('lgrep<bang>', <q-args>)
 command! -bang -nargs=* -complete=file LAckAdd       call ack#Ack('lgrepadd<bang>', <q-args>)
+command! -bang -nargs=*                AckBuffers    call ack#AckBuffers('grep<bang>', <q-args>)
+command! -bang -nargs=*                LAckBuffers   call ack#AckBuffers('lgrep<bang>', <q-args>)
 command! -bang -nargs=* -complete=file AckFile       call ack#Ack('grep<bang> -g', <q-args>)
 command! -bang -nargs=* -complete=help AckHelp       call ack#AckHelp('grep<bang>', <q-args>)
 command! -bang -nargs=* -complete=help LAckHelp      call ack#AckHelp('lgrep<bang>', <q-args>)
 command! -bang -nargs=*                AckWindow     call ack#AckWindow('grep<bang>', <q-args>)
 command! -bang -nargs=*                LAckWindow    call ack#AckWindow('lgrep<bang>', <q-args>)
 
+
 let g:loaded_ack = 1
 
 " vim:set et sw=2 ts=2 tw=78 fdm=marker