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" Vim script for checking .po files.
"
" Go through the file and verify that:
" - All %...s items in "msgid" are identical to the ones in "msgstr".
" - An error or warning code in "msgid" matches the one in "msgstr".
if 1 " Only execute this if the eval feature is available.
" Function to get a split line at the cursor.
" Used for both msgid and msgstr lines.
" Removes all text except % items and returns the result.
func! GetMline()
let idline = substitute(getline('.'), '"\(.*\)"$', '\1', '')
while line('.') < line('$')
+
let line = getline('.')
if line[0] != '"'
break
endif
let idline .= substitute(line, '"\(.*\)"$', '\1', '')
endwhile
" remove '%', not used for formatting.
let idline = substitute(idline, "'%'", '', 'g')
" remove '%' used for plural forms.
let idline = substitute(idline, '\\nPlural-Forms: .\+;\\n', '', '')
" remove everything but % items.
return substitute(idline, '[^%]*\(%[-+ #''.0-9*]*l\=[dsuxXpoc%]\)\=', '\1', 'g')
endfunc
" This only works when 'wrapscan' is set.
let s:save_wrapscan = &wrapscan
set wrapscan
" Start at the first "msgid" line.
1
/^msgid
let startline = line('.')
let error = 0
while 1
if getline(line('.') - 1) !~ "no-c-format"
let fromline = GetMline()
if getline('.') !~ '^msgstr'
echo 'Missing "msgstr" in line ' . line('.')
let error = 1
endif
let toline = GetMline()
if fromline != toline
echo 'Mismatching % in line ' . (line('.') - 1)
echo 'msgid: ' . fromline
echo 'msgstr: ' . toline
let error = 1
endif
endif
" Find next msgid.
" Wrap around at the end of the file, quit when back at the first one.
/^msgid
if line('.') == startline
break
endif
endwhile
" Check that error code in msgid matches the one in msgstr.
"
" Examples of mismatches found with msgid "E123: ..."
" - msgstr "E321: ..." error code mismatch
" - msgstr "W123: ..." warning instead of error
" - msgstr "E123 ..." missing colon
" - msgstr "..." missing error code
"
1
if search('msgid "\("\n"\)\?\([EW][0-9]\+:\).*\nmsgstr "\("\n"\)\?[^"]\@=\2\@!') > 0
echo 'Mismatching error/warning code in line ' . line('.')
let error = 1
endif
if error == 0
echo "OK"
endif
let &wrapscan = s:save_wrapscan
unlet s:save_wrapscan
endif
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