os/textandloc/charconvfw/charconvplugins/src/plugins/EucJpDirectmap.CPP
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/charconvfw/charconvplugins/src/plugins/EucJpDirectmap.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,2150 @@
     1.4 +/*
     1.5 +* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description:    This file is a source code file for a charconv plug-in.
    1.18 +*                This plug-in supports EUC-JP with direct mapped pictograph.
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +
    1.24 +
    1.25 +
    1.26 +
    1.27 +
    1.28 +// INCLUDE FILES
    1.29 +
    1.30 +#include <e32std.h>
    1.31 +
    1.32 +#include <charconv.h>
    1.33 +
    1.34 +
    1.35 +
    1.36 +#ifndef EKA2
    1.37 +
    1.38 +#include <CONVPLUG.H>
    1.39 +
    1.40 +#else
    1.41 +
    1.42 +#include <convgeneratedcpp.h>
    1.43 +
    1.44 +#include <ecom/implementationproxy.h>
    1.45 +
    1.46 +#include "charactersetconverter.h"
    1.47 +
    1.48 +#endif // !EKA2
    1.49 +
    1.50 +
    1.51 +
    1.52 +#include <convutils.h>
    1.53 +
    1.54 +#include "jisx0201.h"
    1.55 +
    1.56 +#include "jisx0208.h"
    1.57 +
    1.58 +#include "jisx0212.h"
    1.59 +
    1.60 +#include "CnvShiftJisDirectmap.h"
    1.61 +
    1.62 +// LOCAL CONSTANTS AND MACROS
    1.63 +
    1.64 +const TUint KSingleShift2=0x8e;
    1.65 +
    1.66 +const TUint KSingleShift3=0x8f;
    1.67 +
    1.68 +const TUint KFirstByteRangeFirstBlockStart = 0xF5;
    1.69 +
    1.70 +const TUint KFirstByteRangeFirstBlockEnd = 0xFE;
    1.71 +
    1.72 +const TUint KSecondByteRangeSecondBlockStart = 0xA1;
    1.73 +
    1.74 +const TUint KSecondByteRangeSecondBlockEnd = 0xFE;
    1.75 +
    1.76 +const TUint KPictographStartFirstByte = 0xF0;
    1.77 +
    1.78 +const TUint KPictographStartSecondByte = 0x40;
    1.79 +
    1.80 +const TUint KEUCJPSecondBlockStart = 0xF5;
    1.81 +
    1.82 +const TUint KEUCJPBlockSize = 0x5D;
    1.83 +
    1.84 +const TUint KShiftJisTrailByteIllegal = 0x7F;
    1.85 +
    1.86 +
    1.87 +
    1.88 +// SecureID for Brower app
    1.89 +
    1.90 +const TUint32 KBrowserSecureId = 0x10008D39;
    1.91 +
    1.92 +// Define for converting from YenSign to BackSlash
    1.93 +
    1.94 +const TUint KCharacterCodeForYenSign = 0x00A5;
    1.95 +
    1.96 +const TUint KCharacterCodeForBackSlash = 0x005C;
    1.97 +
    1.98 +
    1.99 +
   1.100 +// fullwidth question mark
   1.101 +
   1.102 +_LIT8(KLit8EucJpPackedReplacementForUnconvertibleUnicodeCharacters, "\xa1\xa9");
   1.103 +
   1.104 +#if defined(_DEBUG)
   1.105 +
   1.106 +_LIT(KLitPanicText, "EucJpDirectmap");
   1.107 +
   1.108 +enum TPanic
   1.109 +
   1.110 +    {
   1.111 +
   1.112 +    EPanicNothingToConvert1=1,
   1.113 +
   1.114 +    EPanicNothingToConvert2,
   1.115 +
   1.116 +    EPanicNothingToConvert3,
   1.117 +
   1.118 +    EPanicNothingToConvert4,
   1.119 +
   1.120 +    EPanicNothingToConvert5,
   1.121 +
   1.122 +    EPanicNothingToConvert6,
   1.123 +
   1.124 +    EPanicOddNumberOfBytes1,
   1.125 +
   1.126 +    EPanicOddNumberOfBytes2,
   1.127 +
   1.128 +    EPanicOddNumberOfBytes3,
   1.129 +
   1.130 +    EPanicOddNumberOfBytes4,
   1.131 +
   1.132 +    EPanicOddNumberOfBytes5,
   1.133 +
   1.134 +    EPanicOddNumberOfBytes6,
   1.135 +
   1.136 +    EPanicBadHighBit1,
   1.137 +
   1.138 +    EPanicBadHighBit2,
   1.139 +
   1.140 +    EPanicBadHighBit3,
   1.141 +
   1.142 +    EPanicBadHighBit4,
   1.143 +
   1.144 +    EPanicBadHighBit5,
   1.145 +
   1.146 +    EPanicBadHighBit6,
   1.147 +
   1.148 +    EPanicBadHighBit7,
   1.149 +
   1.150 +    EPanicBadPointers1,
   1.151 +
   1.152 +    EPanicBadPointers2,
   1.153 +
   1.154 +    EPanicBadPointers3,
   1.155 +
   1.156 +    EPanicBadPointers4,
   1.157 +
   1.158 +    EPanicBadPointers5,
   1.159 +
   1.160 +    EPanicBadPointers6,
   1.161 +
   1.162 +    EPanicBadPointers7,
   1.163 +
   1.164 +    EPanicBadPointers8,
   1.165 +
   1.166 +    EPanicBadPointers9,
   1.167 +
   1.168 +    EPanicBadPointers10,
   1.169 +
   1.170 +    EPanicBadPointers11,
   1.171 +
   1.172 +    EPanicBadPointers12,
   1.173 +
   1.174 +    EPanicBadPointers13,
   1.175 +
   1.176 +    EPanicBadPointers14,
   1.177 +
   1.178 +    EPanicBadPointers15,
   1.179 +
   1.180 +    EPanicBadPointers16,
   1.181 +
   1.182 +    EPanicBadPointers17,
   1.183 +
   1.184 +    EPanicBadPointers18,
   1.185 +
   1.186 +    EPanicBadPointers19,
   1.187 +
   1.188 +    EPanicBadPointers20,
   1.189 +
   1.190 +    EPanicBadPointers21,
   1.191 +
   1.192 +    EPanicBadPointers22,
   1.193 +
   1.194 +    EPanicBadPointers23,
   1.195 +
   1.196 +    EPanicBadPointers24,
   1.197 +
   1.198 +    EPanicBadPointers25,
   1.199 +
   1.200 +    EPanicBadPointers26,
   1.201 +
   1.202 +    EPanicBadPointers27,
   1.203 +
   1.204 +    EPanicBadPointers28,
   1.205 +
   1.206 +    EPanicBadPointers29,
   1.207 +
   1.208 +    EPanicBadPointers30,
   1.209 +
   1.210 +    EPanicBadPointers31,
   1.211 +
   1.212 +    EPanicBadPointers32,
   1.213 +
   1.214 +    EPanicBadPointers33,
   1.215 +
   1.216 +    EPanicBadPointers34,
   1.217 +
   1.218 +    EPanicBadPointers35,
   1.219 +
   1.220 +    EPanicBadPointers36,
   1.221 +
   1.222 +    EPanicBadCalculation1,
   1.223 +
   1.224 +    EPanicBadCalculation2,
   1.225 +
   1.226 +    EPanicNumberOfBytesIsNotMultipleOfThree1,
   1.227 +
   1.228 +    EPanicNumberOfBytesIsNotMultipleOfThree2,
   1.229 +
   1.230 +    EPanicSingleShift2Expected,
   1.231 +
   1.232 +    EPanicSingleShift3Expected
   1.233 +
   1.234 +    };
   1.235 +
   1.236 +
   1.237 +
   1.238 +LOCAL_C void Panic(TPanic aPanic)
   1.239 +
   1.240 +    {
   1.241 +
   1.242 +    User::Panic(KLitPanicText, aPanic);
   1.243 +
   1.244 +    }
   1.245 +
   1.246 +#endif
   1.247 +
   1.248 +
   1.249 +
   1.250 +// -----------------------------------------------------------------------------
   1.251 +
   1.252 +// DummyConvertFromIntermediateBufferInPlace
   1.253 +
   1.254 +//
   1.255 +
   1.256 +// -----------------------------------------------------------------------------
   1.257 +
   1.258 +//
   1.259 +
   1.260 +LOCAL_C void DummyConvertFromIntermediateBufferInPlace(TInt, TDes8&,
   1.261 +
   1.262 +        TInt& aNumberOfCharactersThatDroppedOut)
   1.263 +
   1.264 +    {
   1.265 +
   1.266 +    aNumberOfCharactersThatDroppedOut = 0;
   1.267 +
   1.268 +    }
   1.269 +
   1.270 +
   1.271 +
   1.272 +// -----------------------------------------------------------------------------
   1.273 +
   1.274 +// ConvertFromJisX0208ToEucJpPackedInPlace
   1.275 +
   1.276 +// Converts from JIS code to EUC-JP
   1.277 +
   1.278 +// -----------------------------------------------------------------------------
   1.279 +
   1.280 +//
   1.281 +
   1.282 +LOCAL_C void ConvertFromJisX0208ToEucJpPackedInPlace(
   1.283 +
   1.284 +        TInt aStartPositionInDescriptor, TDes8& aDescriptor,
   1.285 +
   1.286 +        TInt& aNumberOfCharactersThatDroppedOut)
   1.287 +
   1.288 +    {
   1.289 +
   1.290 +    aNumberOfCharactersThatDroppedOut = 0;
   1.291 +
   1.292 +    const TInt descriptorLength = aDescriptor.Length();
   1.293 +
   1.294 +    __ASSERT_DEBUG(descriptorLength > aStartPositionInDescriptor,
   1.295 +
   1.296 +        Panic(EPanicNothingToConvert1));
   1.297 +
   1.298 +    __ASSERT_DEBUG((descriptorLength - aStartPositionInDescriptor) % 2 == 0,
   1.299 +
   1.300 +        Panic(EPanicOddNumberOfBytes1));
   1.301 +
   1.302 +    TUint8* pointerToCurrentByte = CONST_CAST(TUint8*, aDescriptor.Ptr());
   1.303 +
   1.304 +    const TUint8* const pointerToLastByte =
   1.305 +
   1.306 +        pointerToCurrentByte + (descriptorLength - 1);
   1.307 +
   1.308 +    pointerToCurrentByte += aStartPositionInDescriptor;
   1.309 +
   1.310 +    FOREVER
   1.311 +
   1.312 +        {
   1.313 +
   1.314 +        const TUint currentByte = *pointerToCurrentByte;
   1.315 +
   1.316 +        __ASSERT_DEBUG((currentByte & 0x80) == 0, Panic(EPanicBadHighBit1));
   1.317 +
   1.318 +        *pointerToCurrentByte = STATIC_CAST(TUint8, currentByte | 0x80);
   1.319 +
   1.320 +        __ASSERT_DEBUG(pointerToCurrentByte <= pointerToLastByte,
   1.321 +
   1.322 +            Panic(EPanicBadPointers1));
   1.323 +
   1.324 +        if (pointerToCurrentByte >= pointerToLastByte)
   1.325 +
   1.326 +            {
   1.327 +
   1.328 +            break;
   1.329 +
   1.330 +            }
   1.331 +
   1.332 +        ++pointerToCurrentByte;
   1.333 +
   1.334 +        }
   1.335 +
   1.336 +    }
   1.337 +
   1.338 +
   1.339 +
   1.340 +// -----------------------------------------------------------------------------
   1.341 +
   1.342 +// ConvertFromHalfWidthKatakana8ToEucJpPackedInPlace
   1.343 +
   1.344 +// Converts from half width Katakana code to EUC-JP
   1.345 +
   1.346 +// -----------------------------------------------------------------------------
   1.347 +
   1.348 +//
   1.349 +
   1.350 +LOCAL_C void ConvertFromHalfWidthKatakana8ToEucJpPackedInPlace(
   1.351 +
   1.352 +        TInt aStartPositionInDescriptor, TDes8& aDescriptor,
   1.353 +
   1.354 +        TInt& aNumberOfCharactersThatDroppedOut)
   1.355 +
   1.356 +    {
   1.357 +
   1.358 +    TInt descriptorLength = aDescriptor.Length();
   1.359 +
   1.360 +    __ASSERT_DEBUG(descriptorLength > aStartPositionInDescriptor,
   1.361 +
   1.362 +        Panic(EPanicNothingToConvert2));
   1.363 +
   1.364 +    aNumberOfCharactersThatDroppedOut = Max(0, (descriptorLength -
   1.365 +
   1.366 +        aStartPositionInDescriptor) - ((aDescriptor.MaxLength() -
   1.367 +
   1.368 +        aStartPositionInDescriptor) / 2));
   1.369 +
   1.370 +    descriptorLength -= aNumberOfCharactersThatDroppedOut;
   1.371 +
   1.372 +    __ASSERT_DEBUG(descriptorLength >= aStartPositionInDescriptor,
   1.373 +
   1.374 +        Panic(EPanicBadCalculation1));
   1.375 +
   1.376 +    if (descriptorLength <= aStartPositionInDescriptor)
   1.377 +
   1.378 +        {
   1.379 +
   1.380 +        aDescriptor.SetLength(descriptorLength);
   1.381 +
   1.382 +        }
   1.383 +
   1.384 +    else
   1.385 +
   1.386 +        {
   1.387 +
   1.388 +        // pointerToTargetByte is initialized properly when descriptorLength
   1.389 +
   1.390 +        // has been offset to the actual final length of aDescriptor
   1.391 +
   1.392 +        TUint8* pointerToTargetByte = CONST_CAST(TUint8*, aDescriptor.Ptr());
   1.393 +
   1.394 +        const TUint8* const pointerToFirstByte =
   1.395 +
   1.396 +            pointerToTargetByte + aStartPositionInDescriptor;
   1.397 +
   1.398 +        const TUint8* pointerToSourceByte =
   1.399 +
   1.400 +            pointerToTargetByte + (descriptorLength - 1);
   1.401 +
   1.402 +        descriptorLength =
   1.403 +
   1.404 +            ((descriptorLength - aStartPositionInDescriptor) * 2) +
   1.405 +
   1.406 +            aStartPositionInDescriptor;
   1.407 +
   1.408 +        __ASSERT_DEBUG((descriptorLength - aStartPositionInDescriptor) % 2 == 0,
   1.409 +
   1.410 +            Panic(EPanicOddNumberOfBytes2));
   1.411 +
   1.412 +        aDescriptor.SetLength(descriptorLength);
   1.413 +
   1.414 +        // pointerToTargetByte is is initialized properly here
   1.415 +
   1.416 +        pointerToTargetByte += descriptorLength - 1;
   1.417 +
   1.418 +        FOREVER
   1.419 +
   1.420 +            {
   1.421 +
   1.422 +            *pointerToTargetByte = *pointerToSourceByte;
   1.423 +
   1.424 +            __ASSERT_DEBUG(pointerToTargetByte>pointerToFirstByte,
   1.425 +
   1.426 +                Panic(EPanicBadPointers2));
   1.427 +
   1.428 +            --pointerToTargetByte;
   1.429 +
   1.430 +            *pointerToTargetByte = KSingleShift2;
   1.431 +
   1.432 +            __ASSERT_DEBUG(pointerToTargetByte >= pointerToFirstByte,
   1.433 +
   1.434 +                Panic(EPanicBadPointers3));
   1.435 +
   1.436 +            if (pointerToTargetByte <= pointerToFirstByte)
   1.437 +
   1.438 +                {
   1.439 +
   1.440 +                break;
   1.441 +
   1.442 +                }
   1.443 +
   1.444 +            --pointerToTargetByte;
   1.445 +
   1.446 +            __ASSERT_DEBUG(pointerToSourceByte > pointerToFirstByte,
   1.447 +
   1.448 +                Panic(EPanicBadPointers4));
   1.449 +
   1.450 +            --pointerToSourceByte;
   1.451 +
   1.452 +            }
   1.453 +
   1.454 +        __ASSERT_DEBUG(pointerToTargetByte == pointerToFirstByte,
   1.455 +
   1.456 +            Panic(EPanicBadPointers5));
   1.457 +
   1.458 +        __ASSERT_DEBUG(pointerToSourceByte == pointerToFirstByte,
   1.459 +
   1.460 +            Panic(EPanicBadPointers6));
   1.461 +
   1.462 +        }
   1.463 +
   1.464 +    }
   1.465 +
   1.466 +
   1.467 +
   1.468 +// -----------------------------------------------------------------------------
   1.469 +
   1.470 +// ConvertFromJisX0212ToEucJpPackedInPlace
   1.471 +
   1.472 +// Converts from JIS code to EUC-JP
   1.473 +
   1.474 +// -----------------------------------------------------------------------------
   1.475 +
   1.476 +//
   1.477 +
   1.478 +LOCAL_C void ConvertFromJisX0212ToEucJpPackedInPlace(
   1.479 +
   1.480 +        TInt aStartPositionInDescriptor, TDes8& aDescriptor,
   1.481 +
   1.482 +        TInt& aNumberOfCharactersThatDroppedOut)
   1.483 +
   1.484 +    {
   1.485 +
   1.486 +    TInt descriptorLength=aDescriptor.Length();
   1.487 +
   1.488 +    __ASSERT_DEBUG(descriptorLength > aStartPositionInDescriptor,
   1.489 +
   1.490 +        Panic(EPanicNothingToConvert3));
   1.491 +
   1.492 +    __ASSERT_DEBUG((descriptorLength - aStartPositionInDescriptor) % 2 == 0,
   1.493 +
   1.494 +        Panic(EPanicOddNumberOfBytes3));
   1.495 +
   1.496 +    aNumberOfCharactersThatDroppedOut =
   1.497 +
   1.498 +        Max(0, ((descriptorLength - aStartPositionInDescriptor) / 2) -
   1.499 +
   1.500 +        ((aDescriptor.MaxLength() - aStartPositionInDescriptor) / 3));
   1.501 +
   1.502 +    descriptorLength -= aNumberOfCharactersThatDroppedOut * 2;
   1.503 +
   1.504 +    __ASSERT_DEBUG(descriptorLength >= aStartPositionInDescriptor,
   1.505 +
   1.506 +        Panic(EPanicBadCalculation2));
   1.507 +
   1.508 +    if (descriptorLength <= aStartPositionInDescriptor)
   1.509 +
   1.510 +        {
   1.511 +
   1.512 +        aDescriptor.SetLength(descriptorLength);
   1.513 +
   1.514 +        }
   1.515 +
   1.516 +    else
   1.517 +
   1.518 +        {
   1.519 +
   1.520 +        __ASSERT_DEBUG((descriptorLength - aStartPositionInDescriptor) % 2 == 0,
   1.521 +
   1.522 +            Panic(EPanicOddNumberOfBytes4));
   1.523 +
   1.524 +        // pointerToTargetByte is initialized properly when descriptorLength
   1.525 +
   1.526 +        // has been offset to the actual final length of aDescriptor
   1.527 +
   1.528 +        TUint8* pointerToTargetByte = CONST_CAST(TUint8*, aDescriptor.Ptr());
   1.529 +
   1.530 +        const TUint8* const pointerToFirstByte =
   1.531 +
   1.532 +            pointerToTargetByte + aStartPositionInDescriptor;
   1.533 +
   1.534 +        const TUint8* pointerToSourceByte =
   1.535 +
   1.536 +            pointerToTargetByte + (descriptorLength - 1);
   1.537 +
   1.538 +        descriptorLength = (((descriptorLength - aStartPositionInDescriptor)
   1.539 +
   1.540 +            * 3) / 2) + aStartPositionInDescriptor;
   1.541 +
   1.542 +        __ASSERT_DEBUG((descriptorLength - aStartPositionInDescriptor) % 3 ==0,
   1.543 +
   1.544 +            Panic(EPanicNumberOfBytesIsNotMultipleOfThree1));
   1.545 +
   1.546 +        aDescriptor.SetLength(descriptorLength);
   1.547 +
   1.548 +        // pointerToTargetByte is is initialized properly here
   1.549 +
   1.550 +        pointerToTargetByte += descriptorLength - 1;
   1.551 +
   1.552 +        FOREVER
   1.553 +
   1.554 +            {
   1.555 +
   1.556 +            __ASSERT_DEBUG((*pointerToSourceByte & 0x80) == 0,
   1.557 +
   1.558 +                Panic(EPanicBadHighBit2));
   1.559 +
   1.560 +            *pointerToTargetByte =
   1.561 +
   1.562 +                STATIC_CAST(TUint8, *pointerToSourceByte | 0x80);
   1.563 +
   1.564 +            __ASSERT_DEBUG(pointerToTargetByte > pointerToFirstByte,
   1.565 +
   1.566 +                Panic(EPanicBadPointers7));
   1.567 +
   1.568 +            --pointerToTargetByte;
   1.569 +
   1.570 +            __ASSERT_DEBUG(pointerToSourceByte > pointerToFirstByte,
   1.571 +
   1.572 +                Panic(EPanicBadPointers8));
   1.573 +
   1.574 +            --pointerToSourceByte;
   1.575 +
   1.576 +            __ASSERT_DEBUG((*pointerToSourceByte & 0x80) == 0,
   1.577 +
   1.578 +                Panic(EPanicBadHighBit3));
   1.579 +
   1.580 +            *pointerToTargetByte =
   1.581 +
   1.582 +                STATIC_CAST(TUint8, *pointerToSourceByte | 0x80);
   1.583 +
   1.584 +            __ASSERT_DEBUG(pointerToTargetByte > pointerToFirstByte,
   1.585 +
   1.586 +                Panic(EPanicBadPointers9));
   1.587 +
   1.588 +            --pointerToTargetByte;
   1.589 +
   1.590 +            *pointerToTargetByte = KSingleShift3;
   1.591 +
   1.592 +            __ASSERT_DEBUG(pointerToTargetByte >= pointerToFirstByte,
   1.593 +
   1.594 +                Panic(EPanicBadPointers10));
   1.595 +
   1.596 +            if (pointerToTargetByte <= pointerToFirstByte)
   1.597 +
   1.598 +                {
   1.599 +
   1.600 +                break;
   1.601 +
   1.602 +                }
   1.603 +
   1.604 +            --pointerToTargetByte;
   1.605 +
   1.606 +            __ASSERT_DEBUG(pointerToSourceByte > pointerToFirstByte,
   1.607 +
   1.608 +                Panic(EPanicBadPointers11));
   1.609 +
   1.610 +            --pointerToSourceByte;
   1.611 +
   1.612 +            }
   1.613 +
   1.614 +        __ASSERT_DEBUG(pointerToTargetByte == pointerToFirstByte,
   1.615 +
   1.616 +            Panic(EPanicBadPointers12));
   1.617 +
   1.618 +        __ASSERT_DEBUG(pointerToSourceByte == pointerToFirstByte,
   1.619 +
   1.620 +            Panic(EPanicBadPointers13));
   1.621 +
   1.622 +        }
   1.623 +
   1.624 +    }
   1.625 +
   1.626 +
   1.627 +
   1.628 +// -----------------------------------------------------------------------------
   1.629 +
   1.630 +// NumberOfBytesAbleToConvertToJisRoman
   1.631 +
   1.632 +// Counts the bytes of be able to convert to JIS
   1.633 +
   1.634 +// -----------------------------------------------------------------------------
   1.635 +
   1.636 +//
   1.637 +
   1.638 +LOCAL_C TInt NumberOfBytesAbleToConvertToJisRoman(const TDesC8& aDescriptor)
   1.639 +
   1.640 +    {
   1.641 +
   1.642 +    const TUint8* pointerToPreviousByte = aDescriptor.Ptr() - 1;
   1.643 +
   1.644 +    const TUint8* const pointerToLastByte =
   1.645 +
   1.646 +        pointerToPreviousByte + aDescriptor.Length();
   1.647 +
   1.648 +    if (pointerToPreviousByte == pointerToLastByte)
   1.649 +
   1.650 +        {
   1.651 +
   1.652 +        return 0;
   1.653 +
   1.654 +        }
   1.655 +
   1.656 +    FOREVER
   1.657 +
   1.658 +        {
   1.659 +
   1.660 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.661 +
   1.662 +            Panic(EPanicBadPointers14));
   1.663 +
   1.664 +        const TUint currentByte = *(pointerToPreviousByte + 1);
   1.665 +
   1.666 +        if (currentByte & 0x80)
   1.667 +
   1.668 +            {
   1.669 +
   1.670 +            break;
   1.671 +
   1.672 +            }
   1.673 +
   1.674 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.675 +
   1.676 +            Panic(EPanicBadPointers15));
   1.677 +
   1.678 +        ++pointerToPreviousByte;
   1.679 +
   1.680 +        __ASSERT_DEBUG(pointerToPreviousByte <= pointerToLastByte,
   1.681 +
   1.682 +            Panic(EPanicBadPointers16));
   1.683 +
   1.684 +        if (pointerToPreviousByte >= pointerToLastByte)
   1.685 +
   1.686 +            {
   1.687 +
   1.688 +            break;
   1.689 +
   1.690 +            }
   1.691 +
   1.692 +        }
   1.693 +
   1.694 +    return (pointerToPreviousByte + 1) - aDescriptor.Ptr();
   1.695 +
   1.696 +    }
   1.697 +
   1.698 +
   1.699 +
   1.700 +// -----------------------------------------------------------------------------
   1.701 +
   1.702 +// NumberOfBytesAbleToConvertToJisX0208
   1.703 +
   1.704 +// Counts the bytes of be able to convert to JIS
   1.705 +
   1.706 +// -----------------------------------------------------------------------------
   1.707 +
   1.708 +//
   1.709 +
   1.710 +LOCAL_C TInt NumberOfBytesAbleToConvertToJisX0208(const TDesC8& aDescriptor)
   1.711 +
   1.712 +    {
   1.713 +
   1.714 +    const TUint8* pointerToPreviousByte = aDescriptor.Ptr() - 1;
   1.715 +
   1.716 +    const TUint8* const pointerToLastByte =
   1.717 +
   1.718 +        pointerToPreviousByte + aDescriptor.Length();
   1.719 +
   1.720 +    if (pointerToPreviousByte == pointerToLastByte)
   1.721 +
   1.722 +        {
   1.723 +
   1.724 +        return 0;
   1.725 +
   1.726 +        }
   1.727 +
   1.728 +    FOREVER
   1.729 +
   1.730 +        {
   1.731 +
   1.732 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.733 +
   1.734 +            Panic(EPanicBadPointers17));
   1.735 +
   1.736 +        TUint currentByte = *(pointerToPreviousByte + 1);
   1.737 +
   1.738 +        if (currentByte < 0xa0)
   1.739 +
   1.740 +            {
   1.741 +
   1.742 +            break;
   1.743 +
   1.744 +            }
   1.745 +
   1.746 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.747 +
   1.748 +            Panic(EPanicBadPointers18));
   1.749 +
   1.750 +        if (pointerToLastByte - pointerToPreviousByte < 2)
   1.751 +
   1.752 +            {
   1.753 +
   1.754 +            break;
   1.755 +
   1.756 +            }
   1.757 +
   1.758 +        ++pointerToPreviousByte;
   1.759 +
   1.760 +        currentByte = *(pointerToPreviousByte + 1);
   1.761 +
   1.762 +        if (currentByte < 0xa0)
   1.763 +
   1.764 +            {
   1.765 +
   1.766 +            return CCnvCharacterSetConverter::EErrorIllFormedInput;
   1.767 +
   1.768 +            }
   1.769 +
   1.770 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.771 +
   1.772 +            Panic(EPanicBadPointers19));
   1.773 +
   1.774 +        ++pointerToPreviousByte;
   1.775 +
   1.776 +        __ASSERT_DEBUG(pointerToPreviousByte <= pointerToLastByte,
   1.777 +
   1.778 +            Panic(EPanicBadPointers20));
   1.779 +
   1.780 +        if (pointerToPreviousByte >= pointerToLastByte)
   1.781 +
   1.782 +            {
   1.783 +
   1.784 +            break;
   1.785 +
   1.786 +            }
   1.787 +
   1.788 +        }
   1.789 +
   1.790 +    return (pointerToPreviousByte + 1) - aDescriptor.Ptr();
   1.791 +
   1.792 +    }
   1.793 +
   1.794 +
   1.795 +
   1.796 +// -----------------------------------------------------------------------------
   1.797 +
   1.798 +// NumberOfBytesAbleToConvertToHalfWidthKatakana8
   1.799 +
   1.800 +// Counts the bytes of be able to convert to half width Katakana
   1.801 +
   1.802 +// -----------------------------------------------------------------------------
   1.803 +
   1.804 +//
   1.805 +
   1.806 +LOCAL_C TInt NumberOfBytesAbleToConvertToHalfWidthKatakana8(const TDesC8& aDescriptor)
   1.807 +
   1.808 +    {
   1.809 +
   1.810 +    const TUint8* pointerToPreviousByte = aDescriptor.Ptr() - 1;
   1.811 +
   1.812 +    const TUint8* const pointerToLastByte =
   1.813 +
   1.814 +        pointerToPreviousByte + aDescriptor.Length();
   1.815 +
   1.816 +    if (pointerToPreviousByte == pointerToLastByte)
   1.817 +
   1.818 +        {
   1.819 +
   1.820 +        return 0;
   1.821 +
   1.822 +        }
   1.823 +
   1.824 +    FOREVER
   1.825 +
   1.826 +        {
   1.827 +
   1.828 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.829 +
   1.830 +            Panic(EPanicBadPointers21));
   1.831 +
   1.832 +        TUint currentByte = *(pointerToPreviousByte + 1);
   1.833 +
   1.834 +        if (currentByte != KSingleShift2)
   1.835 +
   1.836 +            {
   1.837 +
   1.838 +            break;
   1.839 +
   1.840 +            }
   1.841 +
   1.842 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.843 +
   1.844 +            Panic(EPanicBadPointers22));
   1.845 +
   1.846 +        if (pointerToLastByte - pointerToPreviousByte < 2)
   1.847 +
   1.848 +            {
   1.849 +
   1.850 +            break;
   1.851 +
   1.852 +            }
   1.853 +
   1.854 +        ++pointerToPreviousByte;
   1.855 +
   1.856 +        currentByte = *(pointerToPreviousByte + 1);
   1.857 +
   1.858 +        if (currentByte < 0xa0)
   1.859 +
   1.860 +            {
   1.861 +
   1.862 +            return CCnvCharacterSetConverter::EErrorIllFormedInput;
   1.863 +
   1.864 +            }
   1.865 +
   1.866 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.867 +
   1.868 +            Panic(EPanicBadPointers23));
   1.869 +
   1.870 +        ++pointerToPreviousByte;
   1.871 +
   1.872 +        __ASSERT_DEBUG(pointerToPreviousByte <= pointerToLastByte,
   1.873 +
   1.874 +            Panic(EPanicBadPointers24));
   1.875 +
   1.876 +        if (pointerToPreviousByte >= pointerToLastByte)
   1.877 +
   1.878 +            {
   1.879 +
   1.880 +            break;
   1.881 +
   1.882 +            }
   1.883 +
   1.884 +        }
   1.885 +
   1.886 +    return (pointerToPreviousByte + 1) - aDescriptor.Ptr();
   1.887 +
   1.888 +    }
   1.889 +
   1.890 +
   1.891 +
   1.892 +// -----------------------------------------------------------------------------
   1.893 +
   1.894 +// NumberOfBytesAbleToConvertToJisX0212
   1.895 +
   1.896 +// Counts the bytes of be able to convert to JIS
   1.897 +
   1.898 +// -----------------------------------------------------------------------------
   1.899 +
   1.900 +//
   1.901 +
   1.902 +LOCAL_C TInt NumberOfBytesAbleToConvertToJisX0212(const TDesC8& aDescriptor)
   1.903 +
   1.904 +    {
   1.905 +
   1.906 +    const TUint8* pointerToPreviousByte = aDescriptor.Ptr() - 1;
   1.907 +
   1.908 +    const TUint8* const pointerToLastByte =
   1.909 +
   1.910 +        pointerToPreviousByte + aDescriptor.Length();
   1.911 +
   1.912 +    if (pointerToPreviousByte == pointerToLastByte)
   1.913 +
   1.914 +        {
   1.915 +
   1.916 +        return 0;
   1.917 +
   1.918 +        }
   1.919 +
   1.920 +    FOREVER
   1.921 +
   1.922 +        {
   1.923 +
   1.924 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.925 +
   1.926 +            Panic(EPanicBadPointers25));
   1.927 +
   1.928 +        TUint currentByte = *(pointerToPreviousByte + 1);
   1.929 +
   1.930 +        if (currentByte != KSingleShift3)
   1.931 +
   1.932 +            {
   1.933 +
   1.934 +            break;
   1.935 +
   1.936 +            }
   1.937 +
   1.938 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.939 +
   1.940 +            Panic(EPanicBadPointers26));
   1.941 +
   1.942 +        if (pointerToLastByte - pointerToPreviousByte < 3)
   1.943 +
   1.944 +            {
   1.945 +
   1.946 +            break;
   1.947 +
   1.948 +            }
   1.949 +
   1.950 +        ++pointerToPreviousByte;
   1.951 +
   1.952 +        currentByte = *(pointerToPreviousByte + 1);
   1.953 +
   1.954 +        if (currentByte < 0xa0)
   1.955 +
   1.956 +            {
   1.957 +
   1.958 +            return CCnvCharacterSetConverter::EErrorIllFormedInput;
   1.959 +
   1.960 +            }
   1.961 +
   1.962 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.963 +
   1.964 +            Panic(EPanicBadPointers27));
   1.965 +
   1.966 +        ++pointerToPreviousByte;
   1.967 +
   1.968 +        currentByte = *(pointerToPreviousByte + 1);
   1.969 +
   1.970 +        if (currentByte < 0xa0)
   1.971 +
   1.972 +            {
   1.973 +
   1.974 +            return CCnvCharacterSetConverter::EErrorIllFormedInput;
   1.975 +
   1.976 +            }
   1.977 +
   1.978 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
   1.979 +
   1.980 +            Panic(EPanicBadPointers28));
   1.981 +
   1.982 +        ++pointerToPreviousByte;
   1.983 +
   1.984 +        __ASSERT_DEBUG(pointerToPreviousByte <= pointerToLastByte,
   1.985 +
   1.986 +            Panic(EPanicBadPointers29));
   1.987 +
   1.988 +        if (pointerToPreviousByte >= pointerToLastByte)
   1.989 +
   1.990 +            {
   1.991 +
   1.992 +            break;
   1.993 +
   1.994 +            }
   1.995 +
   1.996 +        }
   1.997 +
   1.998 +    return (pointerToPreviousByte + 1) - aDescriptor.Ptr();
   1.999 +
  1.1000 +    }
  1.1001 +
  1.1002 +
  1.1003 +
  1.1004 +// -----------------------------------------------------------------------------
  1.1005 +
  1.1006 +// DummyConvertToIntermediateBufferInPlace
  1.1007 +
  1.1008 +//
  1.1009 +
  1.1010 +// -----------------------------------------------------------------------------
  1.1011 +
  1.1012 +//
  1.1013 +
  1.1014 +LOCAL_C void DummyConvertToIntermediateBufferInPlace(TDes8&)
  1.1015 +
  1.1016 +    {
  1.1017 +
  1.1018 +    }
  1.1019 +
  1.1020 +
  1.1021 +
  1.1022 +// -----------------------------------------------------------------------------
  1.1023 +
  1.1024 +// ConvertToJisX0208FromEucJpPackedInPlace
  1.1025 +
  1.1026 +// Converts from EUC-JP to JIS code
  1.1027 +
  1.1028 +// -----------------------------------------------------------------------------
  1.1029 +
  1.1030 +//
  1.1031 +
  1.1032 +LOCAL_C void ConvertToJisX0208FromEucJpPackedInPlace(TDes8& aDescriptor)
  1.1033 +
  1.1034 +    {
  1.1035 +
  1.1036 +    const TInt descriptorLength = aDescriptor.Length();
  1.1037 +
  1.1038 +    __ASSERT_DEBUG(descriptorLength > 0, Panic(EPanicNothingToConvert4));
  1.1039 +
  1.1040 +    __ASSERT_DEBUG(descriptorLength % 2 == 0, Panic(EPanicOddNumberOfBytes5));
  1.1041 +
  1.1042 +    TUint8* pointerToCurrentByte = CONST_CAST(TUint8*, aDescriptor.Ptr());
  1.1043 +
  1.1044 +    const TUint8* const pointerToLastByte =
  1.1045 +
  1.1046 +        pointerToCurrentByte + (descriptorLength - 1);
  1.1047 +
  1.1048 +    FOREVER
  1.1049 +
  1.1050 +        {
  1.1051 +
  1.1052 +        const TUint currentByte = *pointerToCurrentByte;
  1.1053 +
  1.1054 +        __ASSERT_DEBUG(currentByte & 0x80, Panic(EPanicBadHighBit4));
  1.1055 +
  1.1056 +        *pointerToCurrentByte = STATIC_CAST(TUint8, currentByte & ~0x80);
  1.1057 +
  1.1058 +        __ASSERT_DEBUG(pointerToCurrentByte <= pointerToLastByte,
  1.1059 +
  1.1060 +            Panic(EPanicBadPointers30));
  1.1061 +
  1.1062 +        if (pointerToCurrentByte >= pointerToLastByte)
  1.1063 +
  1.1064 +            {
  1.1065 +
  1.1066 +            break;
  1.1067 +
  1.1068 +            }
  1.1069 +
  1.1070 +        ++pointerToCurrentByte;
  1.1071 +
  1.1072 +        }
  1.1073 +
  1.1074 +    }
  1.1075 +
  1.1076 +
  1.1077 +
  1.1078 +// -----------------------------------------------------------------------------
  1.1079 +
  1.1080 +// ConvertToHalfWidthKatakana8FromEucJpPackedInPlace
  1.1081 +
  1.1082 +// Converts from EUC-JP to half width Katakana
  1.1083 +
  1.1084 +// -----------------------------------------------------------------------------
  1.1085 +
  1.1086 +//
  1.1087 +
  1.1088 +LOCAL_C void ConvertToHalfWidthKatakana8FromEucJpPackedInPlace(
  1.1089 +
  1.1090 +        TDes8& aDescriptor)
  1.1091 +
  1.1092 +    {
  1.1093 +
  1.1094 +    const TInt descriptorLength = aDescriptor.Length();
  1.1095 +
  1.1096 +    __ASSERT_DEBUG(descriptorLength > 0, Panic(EPanicNothingToConvert5));
  1.1097 +
  1.1098 +    __ASSERT_DEBUG(descriptorLength % 2 == 0, Panic(EPanicOddNumberOfBytes6));
  1.1099 +
  1.1100 +    TUint8* pointerToTargetByte = CONST_CAST(TUint8*, aDescriptor.Ptr());
  1.1101 +
  1.1102 +    const TUint8* pointerToSourceByte = pointerToTargetByte;
  1.1103 +
  1.1104 +    const TUint8* const pointerToLastByte = pointerToSourceByte +
  1.1105 +
  1.1106 +        (descriptorLength - 1);
  1.1107 +
  1.1108 +    FOREVER
  1.1109 +
  1.1110 +        {
  1.1111 +
  1.1112 +        __ASSERT_DEBUG(*pointerToSourceByte == KSingleShift2,
  1.1113 +
  1.1114 +            Panic(EPanicSingleShift2Expected));
  1.1115 +
  1.1116 +        __ASSERT_DEBUG(pointerToSourceByte < pointerToLastByte,
  1.1117 +
  1.1118 +            Panic(EPanicBadPointers31));
  1.1119 +
  1.1120 +        ++pointerToSourceByte;
  1.1121 +
  1.1122 +        const TUint sourceByte = *pointerToSourceByte;
  1.1123 +
  1.1124 +        __ASSERT_DEBUG(sourceByte & 0x80, Panic(EPanicBadHighBit5));
  1.1125 +
  1.1126 +        *pointerToTargetByte = STATIC_CAST(TUint8, sourceByte);
  1.1127 +
  1.1128 +        __ASSERT_DEBUG(pointerToSourceByte <= pointerToLastByte,
  1.1129 +
  1.1130 +            Panic(EPanicBadPointers32));
  1.1131 +
  1.1132 +        if (pointerToSourceByte >= pointerToLastByte)
  1.1133 +
  1.1134 +            {
  1.1135 +
  1.1136 +            break;
  1.1137 +
  1.1138 +            }
  1.1139 +
  1.1140 +        ++pointerToSourceByte;
  1.1141 +
  1.1142 +        ++pointerToTargetByte;
  1.1143 +
  1.1144 +        }
  1.1145 +
  1.1146 +    aDescriptor.SetLength(descriptorLength / 2);
  1.1147 +
  1.1148 +    }
  1.1149 +
  1.1150 +
  1.1151 +
  1.1152 +// -----------------------------------------------------------------------------
  1.1153 +
  1.1154 +// ConvertToJisX0212FromEucJpPackedInPlace
  1.1155 +
  1.1156 +// Converts from EUC-JP to JIS
  1.1157 +
  1.1158 +// -----------------------------------------------------------------------------
  1.1159 +
  1.1160 +//
  1.1161 +
  1.1162 +LOCAL_C void ConvertToJisX0212FromEucJpPackedInPlace(TDes8& aDescriptor)
  1.1163 +
  1.1164 +    {
  1.1165 +
  1.1166 +    const TInt descriptorLength = aDescriptor.Length();
  1.1167 +
  1.1168 +    __ASSERT_DEBUG(descriptorLength > 0, Panic(EPanicNothingToConvert6));
  1.1169 +
  1.1170 +    __ASSERT_DEBUG(descriptorLength % 3 == 0,
  1.1171 +
  1.1172 +        Panic(EPanicNumberOfBytesIsNotMultipleOfThree2));
  1.1173 +
  1.1174 +    TUint8* pointerToTargetByte = CONST_CAST(TUint8*, aDescriptor.Ptr());
  1.1175 +
  1.1176 +    const TUint8* pointerToSourceByte = pointerToTargetByte;
  1.1177 +
  1.1178 +    const TUint8* const pointerToLastByte =
  1.1179 +
  1.1180 +        pointerToSourceByte + (descriptorLength - 1);
  1.1181 +
  1.1182 +    FOREVER
  1.1183 +
  1.1184 +        {
  1.1185 +
  1.1186 +        __ASSERT_DEBUG(*pointerToSourceByte == KSingleShift3,
  1.1187 +
  1.1188 +            Panic(EPanicSingleShift3Expected));
  1.1189 +
  1.1190 +        __ASSERT_DEBUG(pointerToSourceByte < pointerToLastByte,
  1.1191 +
  1.1192 +            Panic(EPanicBadPointers33));
  1.1193 +
  1.1194 +        ++pointerToSourceByte;
  1.1195 +
  1.1196 +        TUint sourceByte = *pointerToSourceByte;
  1.1197 +
  1.1198 +        __ASSERT_DEBUG(sourceByte & 0x80, Panic(EPanicBadHighBit6));
  1.1199 +
  1.1200 +        *pointerToTargetByte = STATIC_CAST(TUint8, sourceByte & ~0x80);
  1.1201 +
  1.1202 +        __ASSERT_DEBUG(pointerToSourceByte<pointerToLastByte,
  1.1203 +
  1.1204 +            Panic(EPanicBadPointers34));
  1.1205 +
  1.1206 +        ++pointerToSourceByte;
  1.1207 +
  1.1208 +        sourceByte = *pointerToSourceByte;
  1.1209 +
  1.1210 +        __ASSERT_DEBUG(sourceByte&0x80, Panic(EPanicBadHighBit7));
  1.1211 +
  1.1212 +        __ASSERT_DEBUG(pointerToTargetByte < pointerToLastByte,
  1.1213 +
  1.1214 +            Panic(EPanicBadPointers35));
  1.1215 +
  1.1216 +        ++pointerToTargetByte;
  1.1217 +
  1.1218 +        *pointerToTargetByte = STATIC_CAST(TUint8, sourceByte & ~0x80);
  1.1219 +
  1.1220 +        __ASSERT_DEBUG(pointerToSourceByte <= pointerToLastByte,
  1.1221 +
  1.1222 +            Panic(EPanicBadPointers36));
  1.1223 +
  1.1224 +        if (pointerToSourceByte >= pointerToLastByte)
  1.1225 +
  1.1226 +            {
  1.1227 +
  1.1228 +            break;
  1.1229 +
  1.1230 +            }
  1.1231 +
  1.1232 +        ++pointerToSourceByte;
  1.1233 +
  1.1234 +        ++pointerToTargetByte;
  1.1235 +
  1.1236 +        }
  1.1237 +
  1.1238 +    aDescriptor.SetLength((descriptorLength / 3) * 2);
  1.1239 +
  1.1240 +    }
  1.1241 +
  1.1242 +
  1.1243 +
  1.1244 +// -----------------------------------------------------------------------------
  1.1245 +
  1.1246 +// NumberOfBytesAbleToConvertToPictograph
  1.1247 +
  1.1248 +//
  1.1249 +
  1.1250 +// -----------------------------------------------------------------------------
  1.1251 +
  1.1252 +//
  1.1253 +
  1.1254 +LOCAL_C TInt NumberOfBytesAbleToConvertToPictograph1(const TDesC8& aDescriptor)
  1.1255 +
  1.1256 +    {
  1.1257 +
  1.1258 +    const TUint8* pointerToPreviousByte = aDescriptor.Ptr() - 1;
  1.1259 +
  1.1260 +    const TUint8* const pointerToLastByte =
  1.1261 +
  1.1262 +        pointerToPreviousByte + aDescriptor.Length();
  1.1263 +
  1.1264 +    if (pointerToPreviousByte == pointerToLastByte)
  1.1265 +
  1.1266 +        {
  1.1267 +
  1.1268 +        return 0;
  1.1269 +
  1.1270 +        }
  1.1271 +
  1.1272 +    for (;pointerToPreviousByte < pointerToLastByte;)
  1.1273 +
  1.1274 +        {
  1.1275 +
  1.1276 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
  1.1277 +
  1.1278 +            Panic(EPanicBadPointers14));
  1.1279 +
  1.1280 +        TUint currentByte = *(pointerToPreviousByte + 1);
  1.1281 +
  1.1282 +        const TUint nextByte = *(pointerToPreviousByte + 2);
  1.1283 +
  1.1284 +        if (((currentByte < KFirstByteRangeFirstBlockStart) ||
  1.1285 +
  1.1286 +             (currentByte > KFirstByteRangeFirstBlockEnd)) ||
  1.1287 +
  1.1288 +            ((nextByte < KSecondByteRangeSecondBlockStart) ||
  1.1289 +
  1.1290 +             (nextByte > KSecondByteRangeSecondBlockEnd)))
  1.1291 +
  1.1292 +            {
  1.1293 +
  1.1294 +            break;
  1.1295 +
  1.1296 +            }
  1.1297 +
  1.1298 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
  1.1299 +
  1.1300 +            Panic(EPanicBadPointers15));
  1.1301 +
  1.1302 +        pointerToPreviousByte += 2;
  1.1303 +
  1.1304 +        }
  1.1305 +
  1.1306 +    return (pointerToPreviousByte + 1) - aDescriptor.Ptr();
  1.1307 +
  1.1308 +    }
  1.1309 +
  1.1310 +
  1.1311 +
  1.1312 +// -----------------------------------------------------------------------------
  1.1313 +
  1.1314 +// NumberOfBytesAbleToConvertToPictograph
  1.1315 +
  1.1316 +//
  1.1317 +
  1.1318 +// -----------------------------------------------------------------------------
  1.1319 +
  1.1320 +//
  1.1321 +
  1.1322 +LOCAL_C TInt NumberOfBytesAbleToConvertToPictograph2(const TDesC8& aDescriptor)
  1.1323 +
  1.1324 +    {
  1.1325 +
  1.1326 +    const TUint8* pointerToPreviousByte = aDescriptor.Ptr() - 1;
  1.1327 +
  1.1328 +    const TUint8* const pointerToLastByte =
  1.1329 +
  1.1330 +        pointerToPreviousByte + aDescriptor.Length();
  1.1331 +
  1.1332 +    if (pointerToPreviousByte == pointerToLastByte)
  1.1333 +
  1.1334 +        {
  1.1335 +
  1.1336 +        return 0;
  1.1337 +
  1.1338 +        }
  1.1339 +
  1.1340 +    for (;pointerToPreviousByte < pointerToLastByte;)
  1.1341 +
  1.1342 +        {
  1.1343 +
  1.1344 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
  1.1345 +
  1.1346 +            Panic(EPanicBadPointers14));
  1.1347 +
  1.1348 +        TUint currentByte = *(pointerToPreviousByte + 1);
  1.1349 +
  1.1350 +        if (currentByte == KSingleShift3)
  1.1351 +
  1.1352 +            {
  1.1353 +
  1.1354 +            pointerToPreviousByte++;
  1.1355 +
  1.1356 +            currentByte = *(pointerToPreviousByte + 1);
  1.1357 +
  1.1358 +            }
  1.1359 +
  1.1360 +        else
  1.1361 +
  1.1362 +            {
  1.1363 +
  1.1364 +            break;
  1.1365 +
  1.1366 +            }
  1.1367 +
  1.1368 +        if (currentByte < 0xa0)
  1.1369 +
  1.1370 +            {
  1.1371 +
  1.1372 +            return CCnvCharacterSetConverter::EErrorIllFormedInput;
  1.1373 +
  1.1374 +            }
  1.1375 +
  1.1376 +        const TUint nextByte = *(pointerToPreviousByte + 2);
  1.1377 +
  1.1378 +        if (nextByte < 0xa0)
  1.1379 +
  1.1380 +            {
  1.1381 +
  1.1382 +            return CCnvCharacterSetConverter::EErrorIllFormedInput;
  1.1383 +
  1.1384 +            }
  1.1385 +
  1.1386 +        if (((currentByte < KFirstByteRangeFirstBlockStart) ||
  1.1387 +
  1.1388 +             (currentByte > KFirstByteRangeFirstBlockEnd)) ||
  1.1389 +
  1.1390 +            ((nextByte < KSecondByteRangeSecondBlockStart) ||
  1.1391 +
  1.1392 +             (nextByte > KSecondByteRangeSecondBlockEnd)))
  1.1393 +
  1.1394 +            {
  1.1395 +
  1.1396 +            // return the previous byte to the beginning of loop.
  1.1397 +
  1.1398 +            pointerToPreviousByte--;
  1.1399 +
  1.1400 +            break;
  1.1401 +
  1.1402 +            }
  1.1403 +
  1.1404 +        __ASSERT_DEBUG(pointerToPreviousByte < pointerToLastByte,
  1.1405 +
  1.1406 +            Panic(EPanicBadPointers15));
  1.1407 +
  1.1408 +        pointerToPreviousByte += 2;
  1.1409 +
  1.1410 +        }
  1.1411 +
  1.1412 +    return (pointerToPreviousByte + 1) - aDescriptor.Ptr();
  1.1413 +
  1.1414 +    }
  1.1415 +
  1.1416 +
  1.1417 +
  1.1418 +// -----------------------------------------------------------------------------
  1.1419 +
  1.1420 +// ConvertFromPictogaphToEucJpDirectmapInPlace
  1.1421 +
  1.1422 +// Converts from EucJp packed Pictograph to Unicode
  1.1423 +
  1.1424 +// -----------------------------------------------------------------------------
  1.1425 +
  1.1426 +//
  1.1427 +
  1.1428 +LOCAL_C void ConvertFromPictogaphToEucJpDirectmapInPlace(
  1.1429 +
  1.1430 +        TInt aStartPositionInDescriptor, TDes8& aDescriptor,
  1.1431 +
  1.1432 +        TInt& aNumberOfCharactersThatDroppedOut)
  1.1433 +
  1.1434 +    {
  1.1435 +
  1.1436 +    TInt descriptorLength=aDescriptor.Length();
  1.1437 +
  1.1438 +    __ASSERT_DEBUG(descriptorLength > aStartPositionInDescriptor,
  1.1439 +
  1.1440 +        Panic(EPanicNothingToConvert3));
  1.1441 +
  1.1442 +    __ASSERT_DEBUG((descriptorLength - aStartPositionInDescriptor) % 2 == 0,
  1.1443 +
  1.1444 +        Panic(EPanicOddNumberOfBytes3));
  1.1445 +
  1.1446 +    TInt bytesPerCharacter = 2;
  1.1447 +
  1.1448 +    if (aDescriptor[0] >= KEUCJPSecondBlockStart)
  1.1449 +
  1.1450 +        {
  1.1451 +
  1.1452 +        bytesPerCharacter = 3;
  1.1453 +
  1.1454 +        }
  1.1455 +
  1.1456 +
  1.1457 +
  1.1458 +    aNumberOfCharactersThatDroppedOut =
  1.1459 +
  1.1460 +        Max(0, ((descriptorLength - aStartPositionInDescriptor) / 2) -
  1.1461 +
  1.1462 +        ((aDescriptor.MaxLength() - aStartPositionInDescriptor) /
  1.1463 +
  1.1464 +        bytesPerCharacter));
  1.1465 +
  1.1466 +    descriptorLength -= aNumberOfCharactersThatDroppedOut * 2;
  1.1467 +
  1.1468 +    __ASSERT_DEBUG(descriptorLength >= aStartPositionInDescriptor,
  1.1469 +
  1.1470 +        Panic(EPanicBadCalculation2));
  1.1471 +
  1.1472 +    if (descriptorLength <= aStartPositionInDescriptor)
  1.1473 +
  1.1474 +        {
  1.1475 +
  1.1476 +        aDescriptor.SetLength(descriptorLength);
  1.1477 +
  1.1478 +        }
  1.1479 +
  1.1480 +    else
  1.1481 +
  1.1482 +        {
  1.1483 +
  1.1484 +        __ASSERT_DEBUG((descriptorLength - aStartPositionInDescriptor) % 2 == 0,
  1.1485 +
  1.1486 +            Panic(EPanicOddNumberOfBytes4));
  1.1487 +
  1.1488 +        // pointerToTargetByte is initialized properly when descriptorLength
  1.1489 +
  1.1490 +        // has been offset to the actual final length of aDescriptor
  1.1491 +
  1.1492 +        TUint8* pointerToTargetByte = CONST_CAST(TUint8*, aDescriptor.Ptr());
  1.1493 +
  1.1494 +        const TUint8* const pointerToFirstByte =
  1.1495 +
  1.1496 +            pointerToTargetByte + aStartPositionInDescriptor;
  1.1497 +
  1.1498 +        const TUint8* pointerToSourceByte =
  1.1499 +
  1.1500 +            pointerToTargetByte + (descriptorLength - 1);
  1.1501 +
  1.1502 +        descriptorLength = (((descriptorLength - aStartPositionInDescriptor)
  1.1503 +
  1.1504 +            * bytesPerCharacter) / 2) + aStartPositionInDescriptor;
  1.1505 +
  1.1506 +        __ASSERT_DEBUG((descriptorLength - aStartPositionInDescriptor) %
  1.1507 +
  1.1508 +            bytesPerCharacter == 0, Panic(EPanicNumberOfBytesIsNotMultipleOfThree1));
  1.1509 +
  1.1510 +        aDescriptor.SetLength(descriptorLength);
  1.1511 +
  1.1512 +        // pointerToTargetByte is is initialized properly here
  1.1513 +
  1.1514 +        pointerToTargetByte += descriptorLength - 1;
  1.1515 +
  1.1516 +        for (;pointerToTargetByte > pointerToFirstByte; )
  1.1517 +
  1.1518 +            {
  1.1519 +
  1.1520 +            TInt secondByte = *pointerToSourceByte;
  1.1521 +
  1.1522 +            TInt firstByte = *(pointerToSourceByte - 1);
  1.1523 +
  1.1524 +
  1.1525 +
  1.1526 +            if (bytesPerCharacter == 3)
  1.1527 +
  1.1528 +                {
  1.1529 +
  1.1530 +                firstByte = (firstByte - KEUCJPSecondBlockStart) * 2 +
  1.1531 +
  1.1532 +                    KFirstByteRangeFirstBlockStart;
  1.1533 +
  1.1534 +                }
  1.1535 +
  1.1536 +            else
  1.1537 +
  1.1538 +                {
  1.1539 +
  1.1540 +                firstByte = (firstByte - KPictographStartFirstByte) * 2 +
  1.1541 +
  1.1542 +                    KFirstByteRangeFirstBlockStart;
  1.1543 +
  1.1544 +                }
  1.1545 +
  1.1546 +            if (static_cast<TInt>(KEUCJPBlockSize + KPictographStartSecondByte + 1)
  1.1547 +
  1.1548 +                 < secondByte)
  1.1549 +
  1.1550 +                {
  1.1551 +
  1.1552 +                if (secondByte > KShiftJisTrailByteIllegal)
  1.1553 +
  1.1554 +                    secondByte -= 1;
  1.1555 +
  1.1556 +                secondByte = secondByte -(KPictographStartSecondByte +
  1.1557 +
  1.1558 +                    KEUCJPBlockSize + 1) + KSecondByteRangeSecondBlockStart;
  1.1559 +
  1.1560 +                firstByte++;
  1.1561 +
  1.1562 +                }
  1.1563 +
  1.1564 +            else
  1.1565 +
  1.1566 +                {
  1.1567 +
  1.1568 +                if (secondByte > KShiftJisTrailByteIllegal)
  1.1569 +
  1.1570 +                    secondByte -= 1;
  1.1571 +
  1.1572 +                secondByte += KSecondByteRangeSecondBlockStart - KPictographStartSecondByte;
  1.1573 +
  1.1574 +                }
  1.1575 +
  1.1576 +            *pointerToTargetByte = static_cast<TUint8>(secondByte);
  1.1577 +
  1.1578 +            --pointerToTargetByte;
  1.1579 +
  1.1580 +            *pointerToTargetByte = static_cast<TUint8>(firstByte);
  1.1581 +
  1.1582 +            if (bytesPerCharacter == 3)
  1.1583 +
  1.1584 +                {
  1.1585 +
  1.1586 +                --pointerToTargetByte;
  1.1587 +
  1.1588 +                *pointerToTargetByte = KSingleShift3;
  1.1589 +
  1.1590 +                }
  1.1591 +
  1.1592 +            __ASSERT_DEBUG(pointerToTargetByte >= pointerToFirstByte,
  1.1593 +
  1.1594 +                Panic(EPanicBadPointers10));
  1.1595 +
  1.1596 +            --pointerToTargetByte;
  1.1597 +
  1.1598 +            pointerToSourceByte -= 2;
  1.1599 +
  1.1600 +            }
  1.1601 +
  1.1602 +        }
  1.1603 +
  1.1604 +    }
  1.1605 +
  1.1606 +
  1.1607 +
  1.1608 +// -----------------------------------------------------------------------------
  1.1609 +
  1.1610 +// ConvertToPictographFromEucJpPackedInPlace1
  1.1611 +
  1.1612 +// Converts from EucJp packed Pictograph to Unicode
  1.1613 +
  1.1614 +// -----------------------------------------------------------------------------
  1.1615 +
  1.1616 +//
  1.1617 +
  1.1618 +LOCAL_C void ConvertToPictographFromEucJpPackedInPlace(TDes8& aDescriptor)
  1.1619 +
  1.1620 +    {
  1.1621 +
  1.1622 +    const TInt descriptorLength = aDescriptor.Length();
  1.1623 +
  1.1624 +    __ASSERT_DEBUG(descriptorLength > 0, Panic(EPanicNothingToConvert6));
  1.1625 +
  1.1626 +    TUint8* pointerToTargetByte = CONST_CAST(TUint8*, aDescriptor.Ptr());
  1.1627 +
  1.1628 +    const TUint8* pointerToSourceByte = pointerToTargetByte;
  1.1629 +
  1.1630 +    const TUint8* const pointerToLastByte =
  1.1631 +
  1.1632 +        pointerToSourceByte + (descriptorLength - 1);
  1.1633 +
  1.1634 +    TInt bytesPerCharacter = 2;
  1.1635 +
  1.1636 +    TInt sjisStartbyte = KPictographStartFirstByte;
  1.1637 +
  1.1638 +    if (*pointerToSourceByte == KSingleShift3)
  1.1639 +
  1.1640 +        {
  1.1641 +
  1.1642 +        ++pointerToSourceByte;
  1.1643 +
  1.1644 +        bytesPerCharacter = 3;
  1.1645 +
  1.1646 +        sjisStartbyte = KEUCJPSecondBlockStart;
  1.1647 +
  1.1648 +        }
  1.1649 +
  1.1650 +    for (;pointerToSourceByte < pointerToLastByte; )
  1.1651 +
  1.1652 +        {
  1.1653 +
  1.1654 +        __ASSERT_DEBUG(pointerToSourceByte < pointerToLastByte,
  1.1655 +
  1.1656 +            Panic(EPanicBadPointers33));
  1.1657 +
  1.1658 +        TUint firstByte = (*pointerToSourceByte
  1.1659 +
  1.1660 +            - KFirstByteRangeFirstBlockStart) / 2 + sjisStartbyte;
  1.1661 +
  1.1662 +        TUint secondByte = *(pointerToSourceByte + 1);
  1.1663 +
  1.1664 +        if ((*pointerToSourceByte % 2) == 0)
  1.1665 +
  1.1666 +            {
  1.1667 +
  1.1668 +            secondByte += KPictographStartSecondByte -
  1.1669 +
  1.1670 +                KSecondByteRangeSecondBlockStart + KEUCJPBlockSize + 1;
  1.1671 +
  1.1672 +            if (secondByte >= KShiftJisTrailByteIllegal)
  1.1673 +
  1.1674 +                secondByte++;
  1.1675 +
  1.1676 +            }
  1.1677 +
  1.1678 +        else
  1.1679 +
  1.1680 +            {
  1.1681 +
  1.1682 +            secondByte += KPictographStartSecondByte - KSecondByteRangeSecondBlockStart;
  1.1683 +
  1.1684 +            if (secondByte >= KShiftJisTrailByteIllegal)
  1.1685 +
  1.1686 +                secondByte++;
  1.1687 +
  1.1688 +            }
  1.1689 +
  1.1690 +        *pointerToTargetByte = static_cast<TUint8>(firstByte);
  1.1691 +
  1.1692 +
  1.1693 +
  1.1694 +        __ASSERT_DEBUG(pointerToTargetByte < pointerToLastByte,
  1.1695 +
  1.1696 +            Panic(EPanicBadPointers35));
  1.1697 +
  1.1698 +        ++pointerToTargetByte;
  1.1699 +
  1.1700 +        *pointerToTargetByte = static_cast<TUint8>(secondByte);
  1.1701 +
  1.1702 +        __ASSERT_DEBUG(pointerToSourceByte <= pointerToLastByte,
  1.1703 +
  1.1704 +            Panic(EPanicBadPointers36));
  1.1705 +
  1.1706 +        pointerToSourceByte += 2;
  1.1707 +
  1.1708 +        ++pointerToTargetByte;
  1.1709 +
  1.1710 +        }
  1.1711 +
  1.1712 +    aDescriptor.SetLength((descriptorLength / bytesPerCharacter) * 2);
  1.1713 +
  1.1714 +    }
  1.1715 +
  1.1716 +
  1.1717 +
  1.1718 +// New Interface class
  1.1719 +
  1.1720 +class CEucJpDirectmapImplementation : public CCharacterSetConverterPluginInterface
  1.1721 +
  1.1722 +{
  1.1723 +
  1.1724 +    public:
  1.1725 +
  1.1726 +        virtual const TDesC8& ReplacementForUnconvertibleUnicodeCharacters();
  1.1727 +
  1.1728 +
  1.1729 +
  1.1730 +        virtual TInt ConvertFromUnicode(
  1.1731 +
  1.1732 +            CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters,
  1.1733 +
  1.1734 +            const TDesC8& aReplacementForUnconvertibleUnicodeCharacters,
  1.1735 +
  1.1736 +            TDes8& aForeign,
  1.1737 +
  1.1738 +            const TDesC16& aUnicode,
  1.1739 +
  1.1740 +            CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters );
  1.1741 +
  1.1742 +
  1.1743 +
  1.1744 +        virtual TInt ConvertToUnicode(
  1.1745 +
  1.1746 +            CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters,
  1.1747 +
  1.1748 +            TDes16& aUnicode,
  1.1749 +
  1.1750 +            const TDesC8& aForeign,
  1.1751 +
  1.1752 +            TInt&,
  1.1753 +
  1.1754 +            TInt& aNumberOfUnconvertibleCharacters,
  1.1755 +
  1.1756 +            TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter );
  1.1757 +
  1.1758 +
  1.1759 +
  1.1760 +        virtual TBool IsInThisCharacterSetL(
  1.1761 +
  1.1762 +            TBool& aSetToTrue,
  1.1763 +
  1.1764 +            TInt& aConfidenceLevel,
  1.1765 +
  1.1766 +            const TDesC8& );
  1.1767 +
  1.1768 +
  1.1769 +
  1.1770 +        static CEucJpDirectmapImplementation* NewL();
  1.1771 +
  1.1772 +
  1.1773 +
  1.1774 +        virtual ~CEucJpDirectmapImplementation();
  1.1775 +
  1.1776 +    private:
  1.1777 +
  1.1778 +        CEucJpDirectmapImplementation();
  1.1779 +
  1.1780 +};
  1.1781 +
  1.1782 +
  1.1783 +
  1.1784 +// -----------------------------------------------------------------------------
  1.1785 +
  1.1786 +// ReplacementForUnconvertibleUnicodeCharacters
  1.1787 +
  1.1788 +// Retruns the character to replacement for unconvertible unicode character.
  1.1789 +
  1.1790 +// Returns: '?':
  1.1791 +
  1.1792 +// -----------------------------------------------------------------------------
  1.1793 +
  1.1794 +//
  1.1795 +
  1.1796 +const TDesC8& CEucJpDirectmapImplementation::ReplacementForUnconvertibleUnicodeCharacters()
  1.1797 +
  1.1798 +    {
  1.1799 +
  1.1800 +    return KLit8EucJpPackedReplacementForUnconvertibleUnicodeCharacters;
  1.1801 +
  1.1802 +    }
  1.1803 +
  1.1804 +
  1.1805 +
  1.1806 +// -----------------------------------------------------------------------------
  1.1807 +
  1.1808 +// ConvertFromUnicode
  1.1809 +
  1.1810 +// Converts from Unicode to EUC-JP
  1.1811 +
  1.1812 +// Returns: The number of unconverted characters
  1.1813 +
  1.1814 +// -----------------------------------------------------------------------------
  1.1815 +
  1.1816 +//
  1.1817 +
  1.1818 +TInt CEucJpDirectmapImplementation::ConvertFromUnicode(
  1.1819 +
  1.1820 +        CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters,
  1.1821 +
  1.1822 +        const TDesC8& aReplacementForUnconvertibleUnicodeCharacters,
  1.1823 +
  1.1824 +        TDes8& aForeign, const TDesC16& aUnicode,
  1.1825 +
  1.1826 +        CCnvCharacterSetConverter::TArrayOfAscendingIndices& aIndicesOfUnconvertibleCharacters)
  1.1827 +
  1.1828 +    {
  1.1829 +
  1.1830 +    TFixedArray<CnvUtilities::SCharacterSet, 6> characterSets;
  1.1831 +
  1.1832 +    characterSets[0].iConversionData = &CnvJisRoman::ConversionData();
  1.1833 +
  1.1834 +    characterSets[0].iConvertFromIntermediateBufferInPlace =
  1.1835 +
  1.1836 +        DummyConvertFromIntermediateBufferInPlace;
  1.1837 +
  1.1838 +    characterSets[0].iEscapeSequence = &KNullDesC8;
  1.1839 +
  1.1840 +    characterSets[1].iConversionData = &CnvJisX0208::ConversionData();
  1.1841 +
  1.1842 +    characterSets[1].iConvertFromIntermediateBufferInPlace =
  1.1843 +
  1.1844 +        ConvertFromJisX0208ToEucJpPackedInPlace;
  1.1845 +
  1.1846 +    characterSets[1].iEscapeSequence = &KNullDesC8;
  1.1847 +
  1.1848 +    characterSets[2].iConversionData = &CnvHalfWidthKatakana8::ConversionData();
  1.1849 +
  1.1850 +    characterSets[2].iConvertFromIntermediateBufferInPlace =
  1.1851 +
  1.1852 +        ConvertFromHalfWidthKatakana8ToEucJpPackedInPlace;
  1.1853 +
  1.1854 +    characterSets[2].iEscapeSequence = &KNullDesC8;
  1.1855 +
  1.1856 +    characterSets[3].iConversionData = &CnvJisX0212::ConversionData();
  1.1857 +
  1.1858 +    characterSets[3].iConvertFromIntermediateBufferInPlace =
  1.1859 +
  1.1860 +        ConvertFromJisX0212ToEucJpPackedInPlace;
  1.1861 +
  1.1862 +    characterSets[3].iEscapeSequence = &KNullDesC8;
  1.1863 +
  1.1864 +    characterSets[4].iConversionData = &CnvShiftJisDirectmap::ConversionData();
  1.1865 +
  1.1866 +    characterSets[4].iConvertFromIntermediateBufferInPlace =
  1.1867 +
  1.1868 +        ConvertFromPictogaphToEucJpDirectmapInPlace;
  1.1869 +
  1.1870 +    characterSets[4].iEscapeSequence = &KNullDesC8;
  1.1871 +
  1.1872 +    characterSets[5].iConversionData = &CnvShiftJisDirectmap::ConversionData();
  1.1873 +
  1.1874 +    characterSets[5].iConvertFromIntermediateBufferInPlace =
  1.1875 +
  1.1876 +        ConvertFromPictogaphToEucJpDirectmapInPlace;
  1.1877 +
  1.1878 +    characterSets[5].iEscapeSequence = &KNullDesC8;
  1.1879 +
  1.1880 +
  1.1881 +
  1.1882 +    TInt unconvert = CnvUtilities::ConvertFromUnicode(
  1.1883 +
  1.1884 +        aDefaultEndiannessOfForeignCharacters,
  1.1885 +
  1.1886 +        aReplacementForUnconvertibleUnicodeCharacters,
  1.1887 +
  1.1888 +        aForeign, aUnicode, aIndicesOfUnconvertibleCharacters,
  1.1889 +
  1.1890 +        characterSets.Array());
  1.1891 +
  1.1892 +
  1.1893 +
  1.1894 +    return unconvert;
  1.1895 +
  1.1896 +    }
  1.1897 +
  1.1898 +
  1.1899 +
  1.1900 +// -----------------------------------------------------------------------------
  1.1901 +
  1.1902 +// ConvertToUnicode
  1.1903 +
  1.1904 +// Converts from EUC-JP to Unicode.
  1.1905 +
  1.1906 +// Returns: The number of unconverted bytes
  1.1907 +
  1.1908 +// -----------------------------------------------------------------------------
  1.1909 +
  1.1910 +//
  1.1911 +
  1.1912 +TInt CEucJpDirectmapImplementation::ConvertToUnicode(
  1.1913 +
  1.1914 +        CCnvCharacterSetConverter::TEndianness aDefaultEndiannessOfForeignCharacters,
  1.1915 +
  1.1916 +        TDes16& aUnicode, const TDesC8& aForeign, TInt&,
  1.1917 +
  1.1918 +        TInt& aNumberOfUnconvertibleCharacters,
  1.1919 +
  1.1920 +        TInt& aIndexOfFirstByteOfFirstUnconvertibleCharacter)
  1.1921 +
  1.1922 +    {
  1.1923 +
  1.1924 +    TFixedArray<CnvUtilities::SMethod, 6> methods;
  1.1925 +
  1.1926 +
  1.1927 +
  1.1928 +    methods[0].iNumberOfBytesAbleToConvert =
  1.1929 +
  1.1930 +        NumberOfBytesAbleToConvertToPictograph1;
  1.1931 +
  1.1932 +    methods[0].iConvertToIntermediateBufferInPlace =
  1.1933 +
  1.1934 +        ConvertToPictographFromEucJpPackedInPlace;
  1.1935 +
  1.1936 +    methods[0].iConversionData = &CnvShiftJisDirectmap::ConversionData();
  1.1937 +
  1.1938 +    methods[0].iNumberOfBytesPerCharacter = 2;
  1.1939 +
  1.1940 +    methods[0].iNumberOfCoreBytesPerCharacter = 2;
  1.1941 +
  1.1942 +    methods[1].iNumberOfBytesAbleToConvert =
  1.1943 +
  1.1944 +        NumberOfBytesAbleToConvertToPictograph2;
  1.1945 +
  1.1946 +    methods[1].iConvertToIntermediateBufferInPlace =
  1.1947 +
  1.1948 +        ConvertToPictographFromEucJpPackedInPlace;
  1.1949 +
  1.1950 +    methods[1].iConversionData = &CnvShiftJisDirectmap::ConversionData();
  1.1951 +
  1.1952 +    methods[1].iNumberOfBytesPerCharacter = 3;
  1.1953 +
  1.1954 +    methods[1].iNumberOfCoreBytesPerCharacter = 2;
  1.1955 +
  1.1956 +
  1.1957 +
  1.1958 +    methods[2].iNumberOfBytesAbleToConvert = NumberOfBytesAbleToConvertToJisRoman;
  1.1959 +
  1.1960 +    methods[2].iConvertToIntermediateBufferInPlace =
  1.1961 +
  1.1962 +        DummyConvertToIntermediateBufferInPlace;
  1.1963 +
  1.1964 +    methods[2].iConversionData = &CnvJisRoman::ConversionData();
  1.1965 +
  1.1966 +    methods[2].iNumberOfBytesPerCharacter = 1;
  1.1967 +
  1.1968 +    methods[2].iNumberOfCoreBytesPerCharacter = 1;
  1.1969 +
  1.1970 +    methods[3].iNumberOfBytesAbleToConvert = NumberOfBytesAbleToConvertToJisX0208;
  1.1971 +
  1.1972 +    methods[3].iConvertToIntermediateBufferInPlace =
  1.1973 +
  1.1974 +        ConvertToJisX0208FromEucJpPackedInPlace;
  1.1975 +
  1.1976 +    methods[3].iConversionData = &CnvJisX0208::ConversionData();
  1.1977 +
  1.1978 +    methods[3].iNumberOfBytesPerCharacter = 2;
  1.1979 +
  1.1980 +    methods[3].iNumberOfCoreBytesPerCharacter = 2;
  1.1981 +
  1.1982 +    methods[4].iNumberOfBytesAbleToConvert =
  1.1983 +
  1.1984 +        NumberOfBytesAbleToConvertToHalfWidthKatakana8;
  1.1985 +
  1.1986 +    methods[4].iConvertToIntermediateBufferInPlace =
  1.1987 +
  1.1988 +        ConvertToHalfWidthKatakana8FromEucJpPackedInPlace;
  1.1989 +
  1.1990 +    methods[4].iConversionData = &CnvHalfWidthKatakana8::ConversionData();
  1.1991 +
  1.1992 +    methods[4].iNumberOfBytesPerCharacter = 2;
  1.1993 +
  1.1994 +    methods[4].iNumberOfCoreBytesPerCharacter = 1;
  1.1995 +
  1.1996 +    methods[5].iNumberOfBytesAbleToConvert =
  1.1997 +
  1.1998 +        NumberOfBytesAbleToConvertToJisX0212;
  1.1999 +
  1.2000 +    methods[5].iConvertToIntermediateBufferInPlace =
  1.2001 +
  1.2002 +        ConvertToJisX0212FromEucJpPackedInPlace;
  1.2003 +
  1.2004 +    methods[5].iConversionData = &CnvJisX0212::ConversionData();
  1.2005 +
  1.2006 +    methods[5].iNumberOfBytesPerCharacter = 3;
  1.2007 +
  1.2008 +    methods[5].iNumberOfCoreBytesPerCharacter = 2;
  1.2009 +
  1.2010 +
  1.2011 +
  1.2012 +    TInt unconvert = CnvUtilities::ConvertToUnicodeFromHeterogeneousForeign(
  1.2013 +
  1.2014 +        aDefaultEndiannessOfForeignCharacters, aUnicode, aForeign,
  1.2015 +
  1.2016 +        aNumberOfUnconvertibleCharacters,
  1.2017 +
  1.2018 +        aIndexOfFirstByteOfFirstUnconvertibleCharacter, methods.Array());
  1.2019 +
  1.2020 +
  1.2021 +
  1.2022 +    // The following is specific impelementation for brower.
  1.2023 +
  1.2024 +    // If brower app calls this API, the yen sign code(0xA5)
  1.2025 +
  1.2026 +    // must be converted to backslash code(0x5C).
  1.2027 +
  1.2028 +    // Becasue Javascript supports backslash code ony.
  1.2029 +
  1.2030 +    TBool browserProcess = (RProcess().SecureId().iId == KBrowserSecureId);
  1.2031 +
  1.2032 +    if (browserProcess && aUnicode.Length() > 0)
  1.2033 +
  1.2034 +        {
  1.2035 +
  1.2036 +        const TUint16* pB = aUnicode.Ptr();
  1.2037 +
  1.2038 +        const TUint16* pbase = pB;
  1.2039 +
  1.2040 +        const TUint16* pE = pB + aUnicode.Length() -1;
  1.2041 +
  1.2042 +        while (pE>=pbase)
  1.2043 +
  1.2044 +            {
  1.2045 +
  1.2046 +            if (*pbase == KCharacterCodeForYenSign)
  1.2047 +
  1.2048 +                {
  1.2049 +
  1.2050 +                aUnicode[pbase - pB] = KCharacterCodeForBackSlash;
  1.2051 +
  1.2052 +                }
  1.2053 +
  1.2054 +            pbase++;
  1.2055 +
  1.2056 +            }
  1.2057 +
  1.2058 +        }
  1.2059 +
  1.2060 +
  1.2061 +
  1.2062 +    return unconvert;
  1.2063 +
  1.2064 +    }
  1.2065 +
  1.2066 +
  1.2067 +
  1.2068 +// -----------------------------------------------------------------------------
  1.2069 +
  1.2070 +// IsInThisCharacterSetL
  1.2071 +
  1.2072 +// Detects whether the text is the character code or not.
  1.2073 +
  1.2074 +// Returns: ETrue:
  1.2075 +
  1.2076 +// -----------------------------------------------------------------------------
  1.2077 +
  1.2078 +//
  1.2079 +
  1.2080 +TBool CEucJpDirectmapImplementation::IsInThisCharacterSetL(TBool& /*aSetToTrue*/, TInt& /*aConfidenceLevel*/,
  1.2081 +
  1.2082 +        const TDesC8& /*aSample*/)
  1.2083 +
  1.2084 +    {
  1.2085 +
  1.2086 +    return EFalse;
  1.2087 +
  1.2088 +    }
  1.2089 +
  1.2090 +
  1.2091 +
  1.2092 +CEucJpDirectmapImplementation* CEucJpDirectmapImplementation::NewL()
  1.2093 +
  1.2094 +    {
  1.2095 +
  1.2096 +    CEucJpDirectmapImplementation* self = new(ELeave) CEucJpDirectmapImplementation;
  1.2097 +
  1.2098 +    return self;
  1.2099 +
  1.2100 +    }
  1.2101 +
  1.2102 +
  1.2103 +
  1.2104 +CEucJpDirectmapImplementation::CEucJpDirectmapImplementation()
  1.2105 +
  1.2106 +    {
  1.2107 +
  1.2108 +    //default constructor.. do nothing
  1.2109 +
  1.2110 +    }
  1.2111 +
  1.2112 +
  1.2113 +
  1.2114 +CEucJpDirectmapImplementation::~CEucJpDirectmapImplementation()
  1.2115 +
  1.2116 +    {
  1.2117 +
  1.2118 +    //default destructor .. do nothing
  1.2119 +
  1.2120 +    }
  1.2121 +
  1.2122 +
  1.2123 +
  1.2124 +// ECOM CREATION FUNCTION
  1.2125 +
  1.2126 +const TImplementationProxy ImplementationTable[] =
  1.2127 +
  1.2128 +    {
  1.2129 +
  1.2130 +    // Note: This is the same UID as defined in old mmp-file
  1.2131 +
  1.2132 +    // Used also in 12221212.rss ( implementation_uid )
  1.2133 +
  1.2134 +    IMPLEMENTATION_PROXY_ENTRY( 0x101F86A6, CEucJpDirectmapImplementation::NewL )
  1.2135 +
  1.2136 +    };
  1.2137 +
  1.2138 +
  1.2139 +
  1.2140 +EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt& aTableCount )
  1.2141 +
  1.2142 +    {
  1.2143 +
  1.2144 +    aTableCount = sizeof( ImplementationTable ) / sizeof(TImplementationProxy);
  1.2145 +
  1.2146 +    return ImplementationTable;
  1.2147 +
  1.2148 +    }
  1.2149 +
  1.2150 +
  1.2151 +
  1.2152 +// End of file
  1.2153 +