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-rw-r--r--plugin/big_file_options.vim120
1 files changed, 3 insertions, 117 deletions
diff --git a/plugin/big_file_options.vim b/plugin/big_file_options.vim
index bc69e44..d78077a 100644
--- a/plugin/big_file_options.vim
+++ b/plugin/big_file_options.vim
@@ -8,132 +8,18 @@
if exists('loaded_big_file_options') || &compatible
finish
endif
-if !has('autocmd') || v:version < 600
+if !has('autocmd') || v:version < 700
finish
endif
let loaded_big_file_options = 1
-" Wrapper function to get the configured size limit, default to 10 MiB
-function! s:Limit()
- let limit = exists('g:big_file_options_limit')
- \ ? g:big_file_options_limit
- \ : 10 * 1024 * 1024
- return limit
-endfunction
-
-" If we can use filesize to detect the big file early, we should
-function! s:CheckPre(filename)
-
- " Try and get filesize, bail out if we can't
- let size = getfsize(a:filename)
- if size == -1
- return
- endif
-
- " Set the buffer's big flag to whether the file is verifiably outsize
- let b:big_file_options_big = size == -2 || size > s:Limit()
-
- " If we found it's a big file, call the early options set
- if b:big_file_options_big
- call s:SetPre()
- endif
-
-endfunction
-
-" If it's still indeterminate (stdin read?), try to check the buffer size
-" itself
-function! s:CheckPost()
-
- " The BufReadPre hook couldn't tell how big the file was; we'll examine it
- " now it's loaded into the buffer instead
- if !exists('b:big_file_options_big')
-
- " Test buffer size, bail if that doesn't work either
- let size = line2byte(line('$') + 1)
- if size == -1
- return
- endif
-
- " Flag the buffer's oversize status, if it's positive, we'll catch up and
- " run the early options set now
- let b:big_file_options_big = size > s:Limit()
- if b:big_file_options_big
- call s:SetPre()
- endif
-
- endif
-
- " If the buffer size is verifiably over the threshold, run the late options
- " set
- if b:big_file_options_big
- call s:SetPost()
- endif
-
-endfunction
-
-" These options can and should be set as early as possible
-function! s:SetPre()
-
- " These are always set
- setlocal noswapfile
- setlocal undolevels=-1
- if has('persistent_undo')
- setlocal noundofile
- endif
-
- " Decide whether to set readonly options
- let readonly = exists('g:big_file_options_readonly')
- \ ? g:big_file_options_readonly
- \ : 1
- if readonly
- setlocal buftype=nowrite
- setlocal nomodifiable
- setlocal readonly
- endif
-
-endfunction
-
-" These options need to be set later, after the buffer has loaded
-function! s:SetPost()
-
- " Force filetype off
- setlocal filetype=NONE
-
- " Syntax features
- if has('syntax')
-
- " Disable syntax highlighting if configured
- let syntax = exists('g:big_file_options_syntax')
- \ ? g:big_file_options_syntax
- \ : 0
- if !syntax
- setlocal syntax=OFF
- endif
-
- " Force maximum syntax columns down if configured
- if exists('+synmaxcol')
- let synmaxcol = exists('g:big_file_options_synmaxcol')
- \ ? g:big_file_options_synmaxcol
- \ : 256
- if exists('+synmaxcol') && &synmaxcol > synmaxcol
- let &l:synmaxcol = synmaxcol
- endif
- endif
-
- endif
-
- " Tell the user what we've done
- echomsg 'Big file detected, set appropriate options'
-
-endfunction
-
" Define autocmd for calling to check filesize
augroup big_file_options
autocmd!
autocmd BufReadPre,StdinReadPre
\ *
- \ call s:CheckPre(expand('<afile>'))
+ \ call big_file_options#CheckPre(expand('<afile>'))
autocmd BufReadPost,StdinReadPost
\ *
- \ call s:CheckPost()
+ \ call big_file_options#CheckPost()
augroup end