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Blacklist (and whitelist) config by file type

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This commit is contained in:
Reed Esau
2015-09-07 00:26:37 -06:00
parent 290b0872d0
commit f89a3ac998
3 changed files with 108 additions and 76 deletions
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53
autoload/pencil.vim
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@@ -53,7 +53,18 @@ fun! s:imap(preserve_completion, key, icmd) abort
endf
fun! s:maybe_enable_autoformat() abort
" don't enable autoformat if in a code block or table
" don't enable autoformat if in a blacklisted code block or table,
" allowing for reprieve via whitelist in certain cases
let l:af_cfg = get(g:pencil#autoformat_config, &ft, {})
let l:black = get(l:af_cfg, 'black', [])
let l:white = get(l:af_cfg, 'white', [])
let l:has_black_re = len(l:black) > 0
let l:has_white_re = len(l:white) > 0
let l:black_re = l:has_black_re ? '\v(' . join( l:black, '|') . ')' : ''
let l:white_re = l:has_white_re ? '\v(' . join( l:white, '|') . ')' : ''
let l:enforce_previous_line = get(l:af_cfg, 'enforce-previous-line', 0)
let l:okay_to_enable = 1
let l:line = line('.')
let l:col = col('.')
@@ -88,21 +99,21 @@ fun! s:maybe_enable_autoformat() abort
endw
en
" enforce blacklist by scanning for syntax matches
for l:sid in l:stack
if match(synIDattr(l:sid, 'name'),
\ g:pencil#autoformat_blacklist_re) >= 0
let l:okay_to_enable = 0
"echohl WarningMsg
"echo 'hit blacklist line=' . l:line . ' col=' . l:col .
" \ ' name=' . synIDattr(l:sid, 'name')
"echohl NONE
break
en
endfo
" enforce whitelist by detecting inline `markup` for
" which we DO want autoformat to be enabled (e.g.,
" tpope's markdownCode)
if !l:okay_to_enable
if l:has_black_re
for l:sid in l:stack
if match(synIDattr(l:sid, 'name'), l:black_re) >= 0
let l:okay_to_enable = 0
"echohl WarningMsg
"echo 'hit blacklist line=' . l:line . ' col=' . l:col .
" \ ' name=' . synIDattr(l:sid, 'name')
"echohl NONE
break
en
endfo
en
" enforce whitelist by detecting inline `markup` for which we DO want
" autoformat to be enabled (e.g., tpope's markdownCode)
if l:has_white_re && !l:okay_to_enable
" one final check for an empty stack at the start and end of line,
" either of which greenlights a whitelist check
if !l:found_empty
@@ -113,8 +124,7 @@ fun! s:maybe_enable_autoformat() abort
en
if l:found_empty
for l:sid in l:stack
if match(synIDattr(l:sid, 'name'),
\ g:pencil#autoformat_inline_whitelist_re) >= 0
if match(synIDattr(l:sid, 'name'), l:white_re) >= 0
let l:okay_to_enable = 1
break
en
@@ -122,14 +132,11 @@ fun! s:maybe_enable_autoformat() abort
en
en
" disallow enable if start of previous line is in blacklist,
" (To avoid problem of autowrap screwing up adding a new item
" to a list.)
if l:okay_to_enable && l:line > 1
if l:has_black_re && l:enforce_previous_line && l:okay_to_enable && l:line > 1
let l:prev_stack = synstack(l:line - 1, 1)
for l:sid in l:prev_stack
if len(l:sid) > 0 &&
\ match(synIDattr(l:sid, 'name'),
\ g:pencil#autoformat_blacklist_re) >= 0
\ match(synIDattr(l:sid, 'name'), l:black_re) >= 0
let l:okay_to_enable = 0
break
en