The Tor Browser: intl/uconv/ucvko/nsCP949ToUnicode.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C; tab-width: 4; 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 "nsCP949ToUnicode.h"

     7 #include "nsUCvKODll.h"

     8 #include "nsUCConstructors.h"

    10 //----------------------------------------------------------------------

    11 // Global functions and data [declaration]

    13 static const uScanClassID g_CP949ScanClassIDs[] = {

    14   u1ByteCharset,

    15 // This is necessary to decode 8byte sequence representation of Hangul

    16 // syllables. This representation is uniq to EUC-KR and is not used

    17 // in CP949. However, this converter is for both EUC-KR and CP949

    18 // so that this class ID is put here. See bug 131388.

    19   uDecomposedHangulCharset,

    20   u2BytesGRCharset,       // EUC_KR

    21   u2BytesGR128Charset,    // CP949 High

    22   u2BytesCharset          // CP949 Low

    23 };

    25 // CP949(non-EUC-KR portion) to Unicode

    26 static const uint16_t g_utCP949NoKSCHangulMapping[] = {

    27 #include "u20cp949hangul.ut"

    28 };

    30 static const uRange g_CP949Ranges[] = {

    31   { 0x00, 0x7F },

    32   { 0xA4, 0xA4 },   // 8byte seq. for Hangul syllables not available

    33                     // in pre-composed form in KS X 1001

    34   { 0xA1, 0xFE },

    35   { 0xA1, 0xC6 },   // CP949 extension B. ends at 0xC6.

    36   { 0x80, 0xA0 }

    37 };

    39 static const uint16_t *g_CP949MappingTableSet [] ={

    40   g_ASCIIMappingTable,

    41   g_HangulNullMapping,

    42   g_utKSC5601Mapping,

    43   g_utCP949NoKSCHangulMapping,

    44   g_utCP949NoKSCHangulMapping

    45 //g_CP949HighMapping,

    46 //g_CP949LowMapping

    47 };

    50 nsresult

    51 nsCP949ToUnicodeConstructor(nsISupports *aOuter, REFNSIID aIID,

    52                             void **aResult)

    53 {

    54   return CreateMultiTableDecoder(sizeof(g_CP949Ranges) / sizeof(g_CP949Ranges[0]),

    55                                  (const uRange*) &g_CP949Ranges,

    56                                  (uScanClassID*) &g_CP949ScanClassIDs,

    57                                  (uMappingTable**) &g_CP949MappingTableSet, 1,

    58                                  aOuter, aIID, aResult);

    59 }

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