summaryrefslogtreecommitdiffstats
path: root/src/po/check.vim
blob: 917c648494376a908dc3f9fae64d75fa7196bf79 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
" 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.

" using line continuation
set cpo&vim

" 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')
  let idline = substitute(idline, "%%", '', 'g')

  " remove '%' used for plural forms.
  let idline = substitute(idline, '\\nPlural-Forms: .\+;\\n', '', '')

  " remove duplicate positional format arguments
  let idline2 = ""
  while idline2 != idline
    let idline2 = idline
    let idline = substitute(idline, '%\([1-9][0-9]*\)\$\([-+ #''.*]*[0-9]*l\=[dsuxXpoc%]\)\(.*\)%\1$\([-+ #''.*]*\)\(l\=[dsuxXpoc%]\)', '%\1$\2\3\4', 'g')
  endwhile

  " remove everything but % items.
  return substitute(idline, '[^%]*\(%([1-9][0-9]*\$)\=[-+ #''.0-9*]*l\=[dsuxXpoc%]\)\=', '\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
keeppatterns /^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
  let lnum = line('.')
  if getline(lnum) =~ 'msgid "Text;.*;"'
    if getline(lnum + 1) !~ '^msgstr "\([^;]\+;\)\+"'
      echomsg 'Mismatching ; in line ' . (lnum + 1)
      echomsg 'Did you forget the trailing semicolon?'
      if error == 0
	let error = lnum + 1
      endif
    endif
  endif

  if getline(line('.') - 1) !~ "no-c-format"
    " go over the "msgid" and "msgid_plural" lines
    let prevfromline = 'foobar'
    let plural = 0
    while 1
      if getline('.') =~ 'msgid_plural'
	let plural += 1
      endif
      let fromline = GetMline()
      if prevfromline != 'foobar' && prevfromline != fromline
	    \ && (plural != 1
	    \     || count(prevfromline, '%') + 1 != count(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
	    \ && (plural == 0 || count(fromline, '%') != count(toline, '%') + 1)
	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! keeppatterns /^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
keeppatterns /^"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