Tue, 06 Jan 2015 21:39:09 +0100
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 #!/user/local/bin/perl
2 # -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
3 #
4 # This Source Code Form is subject to the terms of the Mozilla Public
5 # License, v. 2.0. If a copy of the MPL was not distributed with this
6 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
7 $rowwidth = ((0xff - 0x80)+(0x7f - 0x40));
8 sub cp936tonum()
9 {
10 my($cp936) = (@_);
11 my($first,$second,$jnum);
12 $first = hex(substr($cp936,2,2));
13 $second = hex(substr($cp936,4,2));
14 $jnum = ($first - 0x81 ) * $rowwidth;
15 if($second >= 0x80)
16 {
17 $jnum += $second - 0x80 + (0x7f-0x40);
18 }
19 else
20 {
21 $jnum += $second - 0x40;
22 }
23 return $jnum;
24 }
26 @map = {};
27 sub readtable()
28 {
29 open(CP936, "<gbkcommon.txt") || die "cannot open gbkcommon.txt";
30 while(<CP936>)
31 {
32 if(! /^#/) {
33 chop();
34 ($j, $u, $r) = split(/\t/,$_);
35 if(length($j) > 4)
36 {
37 $n = &cp936tonum($j);
38 $map{$n} = $u;
39 }
40 }
41 }
42 }
45 sub printtable()
46 {
47 for($i=0;$i<126;$i++)
48 {
49 printf ( "/* 0x%2XXX */\n", ( $i + 0x81));
50 for($j=0;$j<(0x7f-0x40);$j++)
51 {
52 if("" eq ($map{($i * $rowwidth + $j)}))
53 {
54 printf "0xFFFD,"
55 }
56 else
57 {
58 printf $map{($i * $rowwidth + $j)} . ",";
59 }
60 if( 0 == (($j + 1) % 8))
61 {
62 printf "/* 0x%2X%1X%1X*/\n", $i+0x81, 4+($j/16), (7==($j%16))?0:8;
63 }
64 }
66 print "0xFFFD,";
68 printf "/* 0x%2X%1X%1X*/\n", $i+0x81, 4+($j/16),(7==($j%16))?0:8;
69 for($j=0;$j < (0xff-0x80);$j++)
70 {
71 if("" eq ($map{($i * $rowwidth + $j + 0x3f)})) # user defined chars map to 0xFFFD
72 {
74 if ( ( $i == 125 ) and ( $j == (0xff - 0x80 - 1 )))
75 {
76 printf "0xFFFD"; #has no ',' followed last item
77 }
78 else
79 {
80 printf "0xFFFD,";
81 }
82 }
83 else
84 {
85 if ( ( $i == 125 ) and ( $j == (0xff - 0x80 - 1 )))
86 {
87 printf $map{($i * $rowwidth + $j + 0x3f)}; #has no ',' followed last item
88 }
89 else
90 {
91 printf $map{($i * $rowwidth + $j + 0x3f)} . ",";
92 }
93 }
95 if( 0 == (($j + 1) % 8))
96 {
97 printf "/* 0x%2X%1X%1X*/\n", $i+0x81, 8+($j/16), (7==($j%16))?0:8;
98 }
99 }
100 printf " /* 0x%2X%1X%1X*/\n", $i+0x81, 8+($j/16),(7==($j%16))?0:8;
101 }
102 }
103 sub printnpl()
104 {
105 $npl = <<END_OF_NPL;
106 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
107 /* This Source Code Form is subject to the terms of the Mozilla Public
108 * License, v. 2.0. If a copy of the MPL was not distributed with this
109 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
110 END_OF_NPL
111 print $npl;
112 }
113 sub printdontmodify()
114 {
115 $dont_modify = <<END_OF_DONT_MODIFY;
116 /*
117 This file is generated by mozilla/intl/uconv/tools/cp936tocdx.pl
118 Please do not modify this file by hand
119 Instead, you should download CP936.TXT from
120 http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/
121 and put under mozilla/intl/uconv/toools
122 and run perl cp936tocdx.pl > ../ucvcn/cp936map.h
123 If you have question, mailto:ftan\@netscape.com
124 */
125 END_OF_DONT_MODIFY
126 print $dont_modify;
127 }
129 &readtable();
130 &printnpl();
131 &printdontmodify();
132 &printtable();