Vim - My vimrc snippet for searching for texts; ver.2

search.vim

"---------------------------------------
" Search

set incsearch nohlsearch
set noignorecase nosmartcase

nnoremap [Space]hl :<C-u>call util#toggle_option("hlsearch")

cnoremap <expr> / getcmdtype() == '/' ? '\/' : '/'
cnoremap <expr> ? getcmdtype() == '?' ? '\?' : '?'

function! s:pre_search_command()
  " return ":\<C-u>set hlsearch ignorecase smartcase\<CR>"
  return ":\<C-u>set hls ic scs\<CR>"
endfunction

function! s:post_jump_command()
  return 'zz'
endfunction

execute 'nnoremap <silent> n' s:pre_search_command() . 'n' . s:post_jump_command()
execute 'nnoremap <silent> N' s:pre_search_command() . 'N' . s:post_jump_command()

" used only for setting the pattern
execute 'nnoremap <silent> *' s:pre_search_command() . '*N'
execute 'nnoremap <silent> #' s:pre_search_command() . '#N'
execute 'nnoremap <silent> g*' s:pre_search_command() . 'g*N'
execute 'nnoremap <silent> g#' s:pre_search_command() . 'g#N'
execute 'xnoremap <silent> * "vy' s:pre_search_command() . '/<C-r>=<SID>reg_v_value()<CR><CR>N'
execute 'xnoremap <silent> # "vy' s:pre_search_command() . '?<C-r>=<SID>reg_v_value()<CR><CR>'

"" search for the user input in the current buffer
execute 'nnoremap /' s:pre_search_command() . '/'
execute 'nnoremap ?' s:pre_search_command() . '?'

" search for the user input in the selection
execute 'xnoremap ,v/' s:pre_search_command() . '/\%V'
execute 'xnoremap ,v?' s:pre_search_command() . '?\%V'

" search for the user input in the last selected
execute 'nnoremap ,v/' s:pre_search_command() . '/\%V'
execute 'nnoremap ,v?' s:pre_search_command() . '?\%V'

" clear the highlights
nnoremap <silent> <C-l> :<C-u>noh<CR><C-l>:set nohlsearch noignorecase nosmartcase<CR>

"---------------------------------------

if !exists('g:grep_glob')
  let g:grep_glob = '**/*'
endif

function! s:grep_glob_set(...)
  if a:0
    let g:grep_glob = a:1
  else
    let g:grep_glob = '**/*'
  endif
endfunction

" derived from:
" http://vim-users.jp/2010/03/hack130/
function! s:grep(args, ...)
  if a:0
    let grep = 'vimgrepadd'
  else
    let grep = 'vimgrep'
  endif
  let pat = a:args[-1]
  let globs = join(a:args[:-2])
  silent! execute grep '/'.pat.'/j' globs
  if empty(getqflist())
    redraw
    echo "No matches found."
  else
    let @/ = pat
    set hlsearch
    copen
  endif
endfunction

command! -nargs=? Grepglob call s:grep_glob_set(<f-args>)

nnoremap <expr> [Space]glo ':Grepglob ' . g:grep_glob

command! -complete=file -nargs=+ Grep call s:grep([<f-args>])
command! -complete=file -nargs=+ Grepadd call s:grep([<f-args>], 1)

" grep the user input
nnoremap [Space]gre :<C-u>Grep <C-r>=g:grep_glob<CR> 
nnoremap [Space]Gre :<C-u>Grepadd <C-r>=g:grep_glob<CR> 

" grep the cword
nnoremap <silent> [Space]g* :<C-u>Grep <C-r>=g:grep_glob<CR> \<<C-r>=expand('<cword>')<CR>\><CR>
nnoremap <silent> [Space]gg :<C-u>Grep <C-r>=g:grep_glob<CR> <C-r>=expand('<cword>')<CR><CR>
nnoremap <silent> [Space]G* :<C-u>Grepadd <C-r>=g:grep_glob<CR> \<<C-r>=expand('<cword>')<CR>\><CR>
nnoremap <silent> [Space]Gg :<C-u>Grepadd <C-r>=g:grep_glob<CR> <C-r>=expand('<cword>')<CR><CR>

" grep the selection
xnoremap <silent> [Space]g* "vy:<C-u>Grep <C-r>=g:grep_glob<CR> \<<C-r>=<SID>reg_v_value()<CR>\><CR>
xnoremap <silent> [Space]gg "vy:<C-u>Grep <C-r>=g:grep_glob<CR> <C-r>=<SID>reg_v_value()<CR><CR>
xnoremap <silent> [Space]G* "vy:<C-u>Grepadd <C-r>=g:grep_glob<CR> \<<C-r>=<SID>reg_v_value()<CR>\><CR>
xnoremap <silent> [Space]Gg "vy:<C-u>Grepadd <C-r>=g:grep_glob<CR> <C-r>=<SID>reg_v_value()<CR><CR>

grep を別関数にするとともに、共通部分を関数にくくり出して replace とも共有