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      1 #!/usr/bin/env python
      2 
      3 # Copyright (C) 2017 The Android Open Source Project
      4 #
      5 # Licensed under the Apache License, Version 2.0 (the 'License');
      6 # you may not use this file except in compliance with the License.
      7 # You may obtain a copy of the License at
      8 #
      9 #      http://www.apache.org/licenses/LICENSE-2.0
     10 #
     11 # Unless required by applicable law or agreed to in writing, software
     12 # distributed under the License is distributed on an 'AS IS' BASIS,
     13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 # See the License for the specific language governing permissions and
     15 # limitations under the License.
     16 
     17 import collections, sys
     18 
     19 TYPES = {
     20     "AID_MEDIA_AUDIO": ["aac","aac","amr","awb","snd","flac","flac","mp3","mpga","mpega","mp2","m4a","aif","aiff","aifc","gsm","mka","m3u","wma","wax","ra","rm","ram","ra","pls","sd2","wav","ogg","oga"],
     21     "AID_MEDIA_VIDEO": ["3gpp","3gp","3gpp2","3g2","avi","dl","dif","dv","fli","m4v","ts","mpeg","mpg","mpe","mp4","vob","qt","mov","mxu","webm","lsf","lsx","mkv","mng","asf","asx","wm","wmv","wmx","wvx","movie","wrf"],
     22     "AID_MEDIA_IMAGE": ["bmp","gif","jpg","jpeg","jpe","pcx","png","svg","svgz","tiff","tif","wbmp","webp","dng","cr2","ras","art","jng","nef","nrw","orf","rw2","pef","psd","pnm","pbm","pgm","ppm","srw","arw","rgb","xbm","xpm","xwd"]
     23 }
     24 
     25 if "--rc" in sys.argv:
     26     print "on early-boot"
     27     print "    mkdir /config/sdcardfs/extensions/1055"
     28     print "    mkdir /config/sdcardfs/extensions/1056"
     29     print "    mkdir /config/sdcardfs/extensions/1057"
     30     for gid, exts in TYPES.iteritems():
     31         if gid is "AID_MEDIA_AUDIO": gid = "1055"
     32         if gid is "AID_MEDIA_VIDEO": gid = "1056"
     33         if gid is "AID_MEDIA_IMAGE": gid = "1057"
     34         for ext in exts:
     35             print "    mkdir /config/sdcardfs/extensions/%s/%s" % (gid, ext)
     36     exit()
     37 
     38 print """/*
     39  * Copyright (C) 2017 The Android Open Source Project
     40  *
     41  * Licensed under the Apache License, Version 2.0 (the "License");
     42  * you may not use this file except in compliance with the License.
     43  * You may obtain a copy of the License at
     44  *
     45  *      http://www.apache.org/licenses/LICENSE-2.0
     46  *
     47  * Unless required by applicable law or agreed to in writing, software
     48  * distributed under the License is distributed on an "AS IS" BASIS,
     49  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     50  * See the License for the specific language governing permissions and
     51  * limitations under the License.
     52  */
     53 
     54 /******************************************************************
     55  * THIS CODE WAS GENERATED BY matchgen.py, DO NOT MODIFY DIRECTLY *
     56  ******************************************************************/
     57 
     58 #include <private/android_filesystem_config.h>
     59 
     60 int MatchExtension(const char* ext) {
     61 """
     62 
     63 trie = collections.defaultdict(lambda: collections.defaultdict(lambda: collections.defaultdict(lambda: collections.defaultdict(lambda: collections.defaultdict(lambda: collections.defaultdict(lambda: ""))))))
     64 
     65 for t in TYPES:
     66     for v in TYPES[t]:
     67         v = v.lower()
     68         target = trie
     69         for c in v:
     70             target = target[c]
     71         target["\0"] = t
     72 
     73 def dump(target, index):
     74     prefix = "    " * (index + 1)
     75     print "%sswitch (ext[%d]) {" % (prefix, index)
     76     for k in sorted(target.keys()):
     77         if k == "\0":
     78             print "%scase '\\0': return %s;" % (prefix, target[k])
     79         else:
     80             upper = k.upper()
     81             if k != upper:
     82                 print "%scase '%s': case '%s':" % (prefix, k, upper)
     83             else:
     84                 print "%scase '%s':" % (prefix, k)
     85             dump(target[k], index + 1)
     86     print "%s}" % (prefix)
     87 
     88 dump(trie, 0)
     89 
     90 print """
     91     return 0;
     92 }
     93 """
     94