about summary refs log tree commit diff
path: root/Completion/Core/_path_files
blob: 3454654c75c723efc953f0c2fcacde6891d31ee6 (plain) (blame)
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
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
#autoload

# Utility function for in-path completion. This allows `/u/l/b<TAB>'
# to complete to `/usr/local/bin'.

local linepath realpath donepath prepath testpath exppath skips
local tmp1 tmp2 tmp3 tmp4 i orig eorig pre suf tpre tsuf opre osuf cpre
local pats haspats=no ignore group expl addpfx addsfx remsfx rem remt
local nm=$compstate[nmatches] menu mspec matcher mopts atmp sort match

typeset -U prepaths exppaths

setopt localoptions nullglob rcexpandparam
unsetopt markdirs globsubst shwordsplit nounset

local sopt='-' gopt='' opt
exppaths=()
prepaths=('')
ignore=()
group=()
pats=()
addpfx=()
addsfx=()
remsfx=()
expl=()
matcher=()
mopts=()

# Get the options.

while getopts "P:S:qr:R:W:F:J:V:X:f/g:M:12n" opt; do
  case "$opt" in
  [12n]) mopts=( "$mopts[@]" "-$opt" )
         ;;
  P)     addpfx=(-P "$OPTARG")
         ;;
  S)     addsfx=(-S "$OPTARG")
         ;;
  q)     tmp1=yes
         ;;
  [rR])  remsfx=("-$opt" "$OPTARG")
         ;;
  W)     tmp1="$OPTARG"
         if [[ "$tmp1[1]" = '(' ]]; then
           prepaths=( ${^=tmp1[2,-2]%/}/ )
	 elif [[ "$tmp1[1]" = '/' ]]; then
           prepaths=( "$tmp1/" )
         else
	   # In this case the variable should be an array, so
	   # don't use an extra ${=...}.
           prepaths=( ${(P)^tmp1%/}/ )
           (( ! $#prepaths )) && prepaths=( ${tmp1%/}/ )
         fi
         (( ! $#prepaths )) && prepaths=( '' )
         ;;
  F)     tmp1="$OPTARG"
         if [[ "$tmp1[1]" = '(' ]]; then
           ignore=( ${=tmp1[2,-2]} )
         else
           ignore=( ${(P)tmp1} )
         fi
         ;;
  [JV])  group=("-$opt" "$OPTARG")
         ;;
  X)     expl=(-X "$OPTARG")
         ;;
  f)     sopt="${sopt}f"
         pats=("$pats[@]" '*')
	 ;;
  /)     sopt="${sopt}/"
         pats=("$pats[@]" '*(-/)')
	 haspats=yes
	 ;;
  g)     gopt='-g'
         pats=("$pats[@]" ${=OPTARG})
	 haspats=yes
	 ;;
  M)     mspec="$OPTARG"
         matcher=(-M "$OPTARG")
         ;;
  esac
done

if [[ -z "$_file_pat_checked" ]] &&
   zstyle -s ":completion:${curcontext}:files" file-patterns tmp1 &&
   [[ -n "$tmp1" ]]; then
  if [[ "$tmp1" = '*(-/)' ]]; then
    gopt=''
    sopt=-/
  else
    gopt='-g'
    sopt=-
  fi
  pats=( $=tmp1 )
  haspats=yes
fi

if (( ! ( $#group + $#expl ) )); then
  if [[ -z "$gopt" && "$sopt" = -/ ]]; then
    _description directories expl directory
  else
    _description files expl file
  fi
  tmp1=$expl[(I)-M]
  if (( tmp1 )); then
    mspec="$mspec $expl[1+tmp1]"
    if (( $#matcher )); then
      matcher[2]="$matcher[2] $expl[1+tmp1]"
    else
      matcher=(-M "$expl[1+tmp1]")
    fi
  fi
fi

[[ -n "$tmp1" && $#addsfx -ne 0 ]] && addsfx[1]=-qS

# If we were given no file selection option, we behave as if we were given
# a `-f'.

if [[ "$sopt" = - ]]; then
  if [[ -z "$gopt" ]]; then
    sopt='-f'
    pats=('*')
  else
    unset sopt
  fi
fi

if zstyle -s ":completion:${curcontext}:files" sort tmp1; then
  case "$tmp1" in
  *size*)             sort=oL;;
  *links*)            sort=ol;;
  *(time|date|modi)*) sort=om;;
  *access*)           sort=oa;;
  *(inode|change)*)   sort=oc;;
  *)                  sort=on;;
  esac
  [[ "$tmp1" = *rev* ]] && sort[1]=O

  if [[ "$sort" = on ]]; then
    sort=''
  else
    group=( "${(@)group/#-J/-V}" )
    expl=( "${(@)expl/#-J/-V}" )

    tmp2=()
    for tmp1 in "$pats[@]"; do
      if [[ "$tmp1" = (#b)(?*)(\(\([^\|~]##\)\)) ]]; then
        tmp2=( "$tmp2[@]" "${match[1]}((${sort}${match[2][3,-1]}" )
      elif [[ "$tmp1" = (#b)(?*)(\([^\|~]##\)) ]]; then
        tmp2=( "$tmp2[@]" "${match[1]}(${sort}${match[2][2,-1]}" )
      else
        tmp2=( "$tmp2[@]" "${tmp1}(${sort})" )
      fi
    done
    pats=( "$tmp2[@]" )
  fi
fi

# Skip over sequences of slashes.

zstyle -t ":completion:${curcontext}:paths" squeeze-slashes && skips=yes

# We get the prefix and the suffix from the line and save the whole
# original string. Then we see if we will do menucompletion.

pre="$PREFIX"
suf="$SUFFIX"
opre="$PREFIX"
osuf="$SUFFIX"
orig="${PREFIX}${SUFFIX}"
eorig="$orig"

[[ $compstate[insert] = (*menu|[0-9]*) || -n "$_comp_correct" ||
   ( -n "$compstate[pattern_match]" &&
     "${orig#\~}" != "${${orig#\~}:q}" ) ]] && menu=yes

# If given no `-F' option, we may want to use $fignore, turned into patterns.

[[ $#ignore -eq 0 && -z $gopt && -n $FIGNORE ]] && 
   ignore=( "?*${^fignore[@]}" )

if (( $#ignore )); then
  _comp_ignore=( "$_comp_ignore[@]" "$ignore[@]" )
  (( $expl[(I)-F] )) || expl=( "$expl[@]" -F _comp_ignore )
fi

# Now let's have a closer look at the string to complete.

if [[ "$pre[1]" = \~ ]]; then
  # It begins with `~', so remember anything before the first slash to be able
  # to report it to the completion code. Also get an expanded version of it
  # (in `realpath'), so that we can generate the matches. Then remove that
  # prefix from the string to complete, set `donepath' to build the correct
  # paths and make sure that the loop below is run only once with an empty
  # prefix path by setting `prepaths'.
  
  linepath="${pre%%/*}/"
  realpath=$~linepath
  [[ "$realpath" = "$linepath" ]] && return 1
  pre="${pre#*/}"
  orig="${orig#*/}"
  donepath=''
  prepaths=( '' )
elif [[ "$pre" = *\$*/* ]]; then

  # If there is a parameter expansion in the word from the line, we try
  # to complete the beast by expanding the prefix and completing anything
  # after the first slash after the parameter expansion.
  # This fails for things like `f/$foo/b/<TAB>' where the first `f' is
  # meant as a partial path.

  linepath="${(M)pre##*\$[^/]##/}"
  realpath=${(e)~linepath}
  [[ "$realpath" = "$linepath" ]] && return 1
  pre="${pre#${linepath}}"
  i="${#linepath//[^\\/]}"
  orig="${orig[1,(in:i:)/][1,-2]}"
  donepath=''
  prepaths=( '' )
else
  # If the string does not start with a `~' we don't remove a prefix from the
  # string.

  linepath=''
  realpath=''

  if [[ "$pre[1]" = / ]]; then
    # If it is a absolut path name, we remove the first slash and put it in
    # `donepath' meaning that we treat it as the path that was already handled.
    # Also, we don't use the paths from `-W'.

    pre="$pre[2,-1]"
    orig="$orig[2,-1]"
    donepath='/'
    prepaths=( '' )
  else
    # The common case, we just use the string as it is, unless it begins with
    # `./' or `../' in which case we don't use the paths from `-W'.
    
    [[ "$pre" = (.|..)/* ]] && prepaths=( '' )
    donepath=''
  fi
fi

# Now we generate the matches. First we loop over all prefix paths given
# with the `-W' option.

for prepath in "$prepaths[@]"; do

  # Get local copies of the prefix, suffix, and the prefix path to use
  # in the following loop, which walks through the pathname components
  # in the string from the line.

  tpre="$pre"
  tsuf="$suf"
  testpath="$donepath"

  tmp1=( "$prepath$realpath$donepath" )

  while true; do

    # Skip over `./' and `../'.

    if [[ "$tpre" = (.|..)/* ]]; then
      tmp1=( ${^tmp1}${tpre%%/*}/ )
      tpre="${tpre#*/}"
      continue
    fi

    # Skip over multiple slashes?

    if [[ -n "$skips" && "$tpre" = /* ]]; then
      tmp1=( ${^tmp1}/ )
      tpre="${tpre#/}"
      continue
    fi

    # Get the prefix and suffix for matching.

    if [[ "$tpre" = */* ]]; then
      PREFIX="${tpre%%/*}"
      SUFFIX=""
    else
      PREFIX="${tpre}"
      SUFFIX="${tsuf%%/*}"
    fi

    # Get the matching files by globbing.

    if [[ "$tpre$tsuf" = */* ]]; then
      tmp2=( ${^tmp1}*(-/) )
      [[ ! -o globdots && "$PREFIX" = .* ]] &&
          tmp2=( "$tmp2[@]" ${^tmp1}.*(-/) )
      if [[ -o globdots || "$PREFIX" = .* ]] &&
         zstyle -s ":completion:${curcontext}:paths" special-dirs atmp; then
	if [[ "$atmp" = (yes|true|1|on) ]]; then
	  tmp2=( "$tmp2[@]" . .. )
	elif [[ "$atmp" = .. ]]; then
	  tmp2=( "$tmp2[@]" .. )
        fi
      fi
    else
      tmp2=( ${^tmp1}${^~pats} )
      [[ ! -o globdots && "$PREFIX" = .* ]] &&
          tmp2=( "$tmp2[@]" ${^tmp1}.${^~pats} )
      if (( $#tmp2 )) &&
         zstyle -s ":completion:${curcontext}:files" ignore-parents rem &&
	 [[ ( "$rem" != *dir* || "$pats" = '*(-/)' ) &&
	    ( "$rem" != *..* || "$tmp1" = *../* ) ]]; then
        if [[ "$rem" = *parent* ]]; then
	  for i in "$tmp2[@]"; do
	    if [[ -d "$i" && "$i" = */* ]]; then
	      remt="${i%/*}"
	      while [[ "$remt" = */* ]]; do
		[[ "$remt" -ef "$i" ]] && break
		remt="${remt%/*}"
	      done
	      [[ "$remt" = */* || "$remt" -ef "$i" ]] &&
	          _comp_ignore=( "$_comp_ignore[@]" "${(q)i}" )
	    fi
	  done
        fi
        if [[ "$rem" = *pwd* ]]; then
          for i in "$tmp2[@]"; do
	    [[ "$i" -ef "$PWD" ]] && _comp_ignore=( "$_comp_ignore[@]" "${(q)i}" )
	  done
        fi
       (( $#_comp_ignore )) && (( $expl[(I)-F] )) ||
           expl=( "$expl[@]" -F _comp_ignore )
      fi
      if [[ "$sopt" = *[/f]* && ( -o globdots || "$PREFIX" = .* ) ]] &&
	  zstyle -s ":completion:${curcontext}:paths" special-dirs atmp; then
	if [[ "$atmp" = (yes|true|1|on) ]]; then
	  tmp2=( "$tmp2[@]" . .. )
	elif [[ "$atmp" = .. ]]; then
	  tmp2=( "$tmp2[@]" .. )
        fi
      fi
    fi
    tmp1=( "$tmp2[@]" )

    if [[ -n "$PREFIX$SUFFIX" ]]; then
      # See which of them match what's on the line.

      builtin compadd -D tmp1 -F _comp_ignore "$matcher[@]" - "${(@)tmp1:t}"

      if [[ $#tmp1 -eq 0 && -n "$_comp_correct" ]]; then
        tmp1=( "$tmp2[@]" )
	compadd -D tmp1 -F _comp_ignore "$matcher[@]" - "${(@)tmp2:t}"
      fi

      # If no file matches, save the expanded path and continue with
      # the outer loop.

      if [[ $#tmp1 -eq 0 ]]; then
 	if [[ "$tmp2[1]" = */* ]]; then
	  tmp2=( "${(@)tmp2#${prepath}${realpath}}" )
	  if [[ "$tmp2[1]" = */* ]]; then
	    tmp2=( "${(@)tmp2:h}" )
	    compquote tmp2
	    if [[ "$tmp2" = */ ]]; then
	      exppaths=( "$exppaths[@]" ${^tmp2}${tpre}${tsuf} )
	    else
	      exppaths=( "$exppaths[@]" ${^tmp2}/${tpre}${tsuf} )
	    fi
          else
	    exppaths=( "$exppaths[@]" ${tpre}${tsuf} )
	  fi
        fi
        continue 2
      fi
    elif (( ! $#tmp1 )); then
      # A little extra hack: if we were completing `foo/<TAB>' and `foo'
      # contains no files, this will normally produce no matches and other
      # completers might think that's it's their time now. But if the next
      # completer is _correct or something like that, this will result in
      # an attempt to correct a valid directory name. So we just add the
      # original string in such a case so that the command line doesn't 
      # change but other completers still think there are matches.
      # We do this only if we weren't given a `-g' or `-/' option because
      # otherwise this would keep `_files' from completing all filenames
      # if none of the patterns match.

      if [[ -z "$tpre$tsuf" && -n "$pre$suf" ]]; then
        tmp1=( "$tmp2[@]" )
	addsfx=(-S '')
	remsfx=()
	break;
      elif [[ "$haspats" = no && -z "$tpre$tsuf" &&
	"$pre" = */ && -z "$suf" ]]; then
	PREFIX="${opre}"
	SUFFIX="${osuf}"
        compadd -nQS '' - "$linepath$donepath$orig"
        tmp4=-
      fi
      continue 2
    fi

    # Step over to the next component, if any.

    if [[ "$tpre" = */* ]]; then
      tpre="${tpre#*/}"
    elif [[ "$tsuf" = */* ]]; then
      tpre="${tsuf#*/}"
      tsuf=""
    else
      break
    fi

    # There are more components, so add a slash to the files we are
    # collecting.

    tmp1=( ${^tmp1}/ )
  done

  # The next loop searches the first ambiguous component.

  tmp3="$pre$suf"
  tpre="$pre"
  tsuf="$suf"
  tmp1=( "${(@)tmp1#${prepath}${realpath}${testpath}}" )

  while true; do

    # First we check if some of the files match the original string
    # for this component. If there are some we remove all other
    # names. This avoids having `foo' complete to `foo' and `foobar'.

    if [[ "$tmp3" = */* ]]; then
      tmp4=( "${(@M)tmp1:#${tmp3%%/*}/*}" )
      if (( $#tmp4 )); then
        tmp1=( "$tmp4[@]" )
      fi
    fi

    # Next we see if this component is ambiguous.

    if [[ "$tmp3" = */* ]]; then
      tmp4=( "${(@)tmp1:#${tmp1[1]%%/*}/*}" )
    else
      tmp4=( "${(@)tmp1:#${tmp1[1]}}" )
    fi

    if [[ "$tpre" = */* ]]; then
      PREFIX="${donepath}${linepath}${cpre}${tpre%%/*}"
      SUFFIX="/${tsuf#*/}"
      tmp2="${cpre}${tpre%%/*}"
    else
      PREFIX="${donepath}${linepath}${cpre}${tpre}"
      SUFFIX="${tsuf}"
      tmp2="${cpre}${tpre}"
    fi

    if (( $#tmp4 )) ||
       [[ -n "$compstate[pattern_match]" && "$tmp2" != "${(q)tmp2}" ]]; then
      # It is. For menucompletion we now add the possible completions
      # for this component with the unambigous prefix we have built
      # and the rest of the string from the line as the suffix.
      # For normal completion we add the rests of the filenames
      # collected as the suffixes to make the completion code expand
      # it as far as possible.

      tmp2="$testpath"
      compquote tmp1 tmp2

      if [[ -n $menu ]] ||
         ! zstyle -t ":completion:${curcontext}:paths" expand suffix; then
        (( $#tmp4 )) && zstyle -t ":completion:${curcontext}:paths" cursor &&
            compstate[to_end]=''
        if [[ "$tmp3" = */* ]]; then
	  compadd -Qf "$mopts[@]" -p "$linepath$tmp2" -s "/${tmp3#*/}" \
	          -W "$prepath$realpath$testpath" \
		  "$addpfx[@]" "$addsfx[@]" "$remsfx[@]" \
                  -M "r:|/=* r:|=* $mspec" "$group[@]" "$expl[@]" \
		  - "${(@)tmp1%%/*}"
	else
	  compadd -Qf "$mopts[@]" -p "$linepath$tmp2" \
	          -W "$prepath$realpath$testpath" \
		   "$addpfx[@]" "$addsfx[@]" "$remsfx[@]" \
                   -M "r:|/=* r:|=* $mspec" "$group[@]" "$expl[@]" \
		   - "$tmp1[@]"
	fi
      else
        if [[ "$tmp3" = */* ]]; then
	  atmp=( -Qf "$mopts[@]" -p "$linepath$tmp2"
	         -W "$prepath$realpath$testpath"
	         "$addpfx[@]" "$addsfx[@]" "$remsfx[@]"
                 -M "r:|/=* r:|=* $mspec" "$group[@]" "$expl[@]" )
          for i in "$tmp1[@]"; do
	    compadd "$atmp[@]" -s "/${i#*/}" - "${i%%/*}"
	  done
        else
	  compadd -Qf "$mopts[@]" -p "$linepath$tmp2" \
		  -W "$prepath$realpath$testpath" \
		  "$addpfx[@]" "$addsfx[@]" "$remsfx[@]" \
                  -M "r:|/=* r:|=* $mspec" "$group[@]" "$expl[@]" \
		  - "$tmp1[@]"
        fi
      fi
      tmp4=-
      break
    fi

    # If we have checked all components, we stop now and add the 
    # strings collected after the loop.

    if [[ "$tmp3" != */* ]]; then
      tmp4=""
      break
    fi

    # Otherwise we add the unambiguous component to `testpath' and
    # take it from the filenames.

    testpath="${testpath}${tmp1[1]%%/*}/"
    tmp1=( "${(@)tmp1#*/}" )

    tmp3="${tmp3#*/}"

    if [[ "$tpre" = */* ]]; then
      cpre="${cpre}${tpre%%/*}/"
      tpre="${tpre#*/}"
    elif [[ "$tsuf" = */* ]]; then
      cpre="${cpre}${tpre}/"
      tpre="${tsuf#*/}"
      tsuf=""
    else
      tpre=""
      tsuf=""
    fi
  done

  if [[ -z "$tmp4" ]]; then
    if [[ "$osuf" = */* ]]; then
      PREFIX="${opre}${osuf}"
      SUFFIX=""
    else
      PREFIX="${opre}"
      SUFFIX="${osuf}"
    fi
    tmp4="$testpath"
    compquote tmp4 tmp1
    compadd -Qf "$mopts[@]" -p "$linepath$tmp4" \
	    -W "$prepath$realpath$testpath" \
	    "$addpfx[@]" "$addsfx[@]" "$remsfx[@]" \
            -M "r:|/=* r:|=* $mspec" "$group[@]" "$expl[@]" \
	    - "$tmp1[@]"
  fi
done

# If we are configured to expand paths as far as possible and we collected
# expanded paths that are different from the string on the line, we add
# them as possible matches.

exppaths=( "${(@)exppaths:#$eorig}" )

if zstyle -t ":completion:${curcontext}:paths" expand prefix &&
   [[ $#exppaths -gt 0 && nm -eq compstate[nmatches] ]]; then
  PREFIX="${opre}"
  SUFFIX="${osuf}"
  compadd -Q "$mopts[@]" -S '' "$group[@]" "$expl[@]" \
          -M "r:|/=* r:|=* $mspec" -p "$linepath" - "$exppaths[@]"
fi

[[ nm -ne compstate[nmatches] ]]