Adding upstream version 2:8.1.0875.upstream/2%8.1.0875upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 213 insertions, 0 deletions

diff --git a/src/po/check.vim b/src/po/check.vim
new file mode 100644
index 0000000..672b4f3
--- /dev/null
+++ b/src/po/check.vim
@@ -0,0 +1,213 @@
+" 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 not set.
+let s:save_wrapscan = &wrapscan
+set nowrapscan
+
+" Start at the first "msgid" line.
+let wsv = winsaveview()
+1
+/^msgid\>
+
+" When an error is detected this is set to the line number.
+" Note: this is used in the Makefile.
+let error = 0
+
+while 1
+  if getline(line('.') - 1) !~ "no-c-format"
+    " go over the "msgid" and "msgid_plural" lines
+    let prevfromline = 'foobar'
+    while 1
+      let fromline = GetMline()
+      if prevfromline != 'foobar' && prevfromline != fromline
+	echomsg 'Mismatching % in line ' . (line('.') - 1)
+	echomsg 'msgid: ' . prevfromline
+	echomsg 'msgid ' . fromline
+	if error == 0
+	  let error = line('.')
+	endif
+      endif
+      if getline('.') !~ 'msgid_plural'
+	break
+      endif
+      let prevfromline = fromline
+    endwhile
+
+    if getline('.') !~ '^msgstr'
+      echomsg 'Missing "msgstr" in line ' . line('.')
+      if error == 0
+	let error = line('.')
+      endif
+    endif
+
+    " check all the 'msgstr' lines
+    while getline('.') =~ '^msgstr'
+      let toline = GetMline()
+      if fromline != toline
+	echomsg 'Mismatching % in line ' . (line('.') - 1)
+	echomsg 'msgid: ' . fromline
+	echomsg 'msgstr: ' . toline
+	if error == 0
+	  let error = line('.')
+	endif
+      endif
+      if line('.') == line('$')
+	break
+      endif
+    endwhile
+  endif
+
+  " Find next msgid.  Quit when there is no more.
+  let lnum = line('.')
+  silent! /^msgid\>
+  if line('.') == lnum
+    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
+  echomsg 'Mismatching error/warning code in line ' . line('.')
+  if error == 0
+    let error = line('.')
+  endif
+endif
+
+func! CountNl(first, last)
+  let nl = 0
+  for lnum in range(a:first, a:last)
+    let nl += count(getline(lnum), "\n")
+  endfor
+  return nl
+endfunc
+
+" Check that the \n at the end of the msgid line is also present in the msgstr
+" line.  Skip over the header.
+1
+/^"MIME-Version:
+while 1
+  let lnum = search('^msgid\>')
+  if lnum <= 0
+    break
+  endif
+  let strlnum = search('^msgstr\>')
+  let end = search('^$')
+  if end <= 0
+    let end = line('$') + 1
+  endif
+  let origcount = CountNl(lnum, strlnum - 1)
+  let transcount = CountNl(strlnum, end - 1)
+  " Allow for a few more or less line breaks when there are 2 or more
+  if origcount != transcount && (origcount <= 2 || transcount <= 2)
+    echomsg 'Mismatching "\n" in line ' . line('.')
+    if error == 0
+      let error = lnum
+    endif
+  endif
+endwhile
+
+" Check that the file is well formed according to msgfmts understanding
+if executable("msgfmt")
+  let filename = expand("%")
+  " Newer msgfmt does not take OLD_PO_FILE_INPUT argument, must be in
+  " environment.
+  let $OLD_PO_FILE_INPUT = 'yes'
+  let a = system("msgfmt --statistics " . filename)
+  if v:shell_error != 0
+    let error = matchstr(a, filename.':\zs\d\+\ze:')+0
+    for line in split(a, '\n') | echomsg line | endfor
+  endif
+endif
+
+" Check that the plural form is properly initialized
+1
+let plural = search('^msgid_plural ', 'n')
+if (plural && search('^"Plural-Forms: ', 'n') == 0) || (plural && search('^msgstr\[0\] ".\+"', 'n') != plural + 1)
+  if search('^"Plural-Forms: ', 'n') == 0
+    echomsg "Missing Plural header"
+    if error == 0
+      let error = search('\(^"[A-Za-z-_]\+: .*\\n"\n\)\+\zs', 'n') - 1
+    endif
+  elseif error == 0
+    let error = plural
+  endif
+elseif !plural && search('^"Plural-Forms: ', 'n')
+  " We allow for a stray plural header, msginit adds one.
+endif
+
+" Check that 8bit encoding is used instead of 8-bit
+let cte = search('^"Content-Transfer-Encoding:\s\+8-bit', 'n')
+let ctc = search('^"Content-Type:.*;\s\+\<charset=[iI][sS][oO]_', 'n')
+let ctu = search('^"Content-Type:.*;\s\+\<charset=utf-8', 'n')
+if cte
+  echomsg "Content-Transfer-Encoding should be 8bit instead of 8-bit"
+  " TODO: make this an error
+  " if error == 0
+  "   let error = cte
+  " endif
+elseif ctc
+  echomsg "Content-Type charset should be 'ISO-...' instead of 'ISO_...'"
+  " TODO: make this an error
+  " if error == 0
+  "   let error = ct
+  " endif
+elseif ctu
+  echomsg "Content-Type charset should be 'UTF-8' instead of 'utf-8'"
+  " TODO: make this an error
+  " if error == 0
+  "   let error = ct
+  " endif
+endif
+
+
+if error == 0
+  " If all was OK restore the view.
+  call winrestview(wsv)
+  echomsg "OK"
+else
+  " Put the cursor on the line with the error.
+  exe error
+endif
+
+let &wrapscan = s:save_wrapscan
+unlet s:save_wrapscan
+
+endif