intl/uconv/ucvko/nsJohabToUnicode.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

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 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     2 /* This Source Code Form is subject to the terms of the Mozilla Public
     3  * License, v. 2.0. If a copy of the MPL was not distributed with this
     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     6 #include "nsJohabToUnicode.h"
     7 #include "nsUCvKODll.h"
     8 #include "nsUCConstructors.h"
     9 #include "mozilla/Telemetry.h"
    11 using namespace mozilla;
    13 //----------------------------------------------------------------------
    14 // Global functions and data [declaration]
    16 static const uScanClassID g_JOHABScanClassIDs[] = {
    17   u1ByteCharset,
    18   uJohabHangulCharset,
    19   u2BytesCharset,
    20   uJohabSymbolCharset,
    21   uJohabSymbolCharset
    22 };
    24 static const uRange g_JOHABRanges[] = {
    25   { 0x00, 0x7E },
    26   { 0x84, 0xD3 },
    27   { 0x84, 0xD3 },
    28   { 0xD8, 0xDE },
    29   { 0xE0, 0xF9 }
    30 };
    32 static const uint16_t g_utJohabJamoMapping[] ={   
    33 #include "johabjamo.ut"
    34 };
    36 static const uint16_t *g_JOHABMappingTableSet [] ={
    37   g_ASCIIMappingTable,
    38   g_HangulNullMapping,
    39   g_utJohabJamoMapping,
    40   g_utKSC5601Mapping,
    41   g_utKSC5601Mapping
    42 };
    45 //----------------------------------------------------------------------
    46 // Class nsJohabToUnicode [implementation]
    48 nsresult
    49 nsJohabToUnicodeConstructor(nsISupports *aOuter, REFNSIID aIID,
    50                             void **aResult)
    51 {
    52   Telemetry::Accumulate(Telemetry::DECODER_INSTANTIATED_JOHAB, true);
    53   return CreateMultiTableDecoder(sizeof(g_JOHABRanges) / sizeof(g_JOHABRanges[0]),
    54                                  (const uRange*) &g_JOHABRanges,
    55                                  (uScanClassID*) &g_JOHABScanClassIDs,
    56                                  (uMappingTable**) &g_JOHABMappingTableSet, 1,
    57                                  aOuter, aIID, aResult);
    58 }

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