diff options
Diffstat (limited to 'xfa/src/fxbarcode/common/reedsolomon')
4 files changed, 67 insertions, 85 deletions
diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp index 78c5bdc5e2..3e6de6ef06 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp @@ -21,6 +21,9 @@ */ #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.h" + +#include <memory> + #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h" @@ -74,12 +77,11 @@ void CBC_ReedSolomonEncoder::Encode(CFX_Int32Array* toEncode, CBC_ReedSolomonGF256Poly info; info.Init(m_field, &infoCoefficients, e); BC_EXCEPTION_CHECK_ReturnVoid(e); - CBC_ReedSolomonGF256Poly* rsg = info.MultiplyByMonomial(ecBytes, 1, e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> infoTemp( + info.MultiplyByMonomial(ecBytes, 1, e)); BC_EXCEPTION_CHECK_ReturnVoid(e); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> infoTemp(rsg); - CFX_PtrArray* pa = infoTemp->Divide(generator, e); + std::unique_ptr<CFX_PtrArray> temp(infoTemp->Divide(generator, e)); BC_EXCEPTION_CHECK_ReturnVoid(e); - CBC_AutoPtr<CFX_PtrArray> temp(pa); CBC_ReedSolomonGF256Poly* remainder = (CBC_ReedSolomonGF256Poly*)(temp->operator[](1)); CFX_Int32Array* coefficients = remainder->GetCoefficients(); diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp index 86c8a60c39..abdcaf0c88 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp @@ -21,6 +21,10 @@ */ #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h" + +#include <memory> +#include <utility> + #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h" @@ -51,23 +55,22 @@ void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, CBC_ReedSolomonGF256Poly syndrome; syndrome.Init(m_field, &syndromeCoefficients, e); BC_EXCEPTION_CHECK_ReturnVoid(e); - CBC_ReedSolomonGF256Poly* rsg = m_field->BuildMonomial(twoS, 1, e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> temp( + m_field->BuildMonomial(twoS, 1, e)); BC_EXCEPTION_CHECK_ReturnVoid(e); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp(rsg); - CFX_PtrArray* pa = RunEuclideanAlgorithm(temp.get(), &syndrome, twoS, e); + std::unique_ptr<CFX_PtrArray> sigmaOmega( + RunEuclideanAlgorithm(temp.get(), &syndrome, twoS, e)); BC_EXCEPTION_CHECK_ReturnVoid(e); - CBC_AutoPtr<CFX_PtrArray> sigmaOmega(pa); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sigma( + std::unique_ptr<CBC_ReedSolomonGF256Poly> sigma( (CBC_ReedSolomonGF256Poly*)(*sigmaOmega)[0]); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> omega( + std::unique_ptr<CBC_ReedSolomonGF256Poly> omega( (CBC_ReedSolomonGF256Poly*)(*sigmaOmega)[1]); - CFX_Int32Array* ia1 = FindErrorLocations(sigma.get(), e); + std::unique_ptr<CFX_Int32Array> errorLocations( + FindErrorLocations(sigma.get(), e)); BC_EXCEPTION_CHECK_ReturnVoid(e); - CBC_AutoPtr<CFX_Int32Array> errorLocations(ia1); - CFX_Int32Array* ia2 = - FindErrorMagnitudes(omega.get(), errorLocations.get(), dataMatrix, e); + std::unique_ptr<CFX_Int32Array> errorMagnitudes( + FindErrorMagnitudes(omega.get(), errorLocations.get(), dataMatrix, e)); BC_EXCEPTION_CHECK_ReturnVoid(e); - CBC_AutoPtr<CFX_Int32Array> errorMagnitudes(ia2); for (int32_t k = 0; k < errorLocations->GetSize(); k++) { int32_t position = received->GetSize() - 1 - m_field->Log((*errorLocations)[k], e); @@ -90,42 +93,33 @@ CFX_PtrArray* CBC_ReedSolomonDecoder::RunEuclideanAlgorithm( a = b; b = temp; } - CBC_ReedSolomonGF256Poly* rsg1 = a->Clone(e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> rLast(a->Clone(e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> rLast(rsg1); - CBC_ReedSolomonGF256Poly* rsg2 = b->Clone(e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> r(b->Clone(e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> r(rsg2); - CBC_ReedSolomonGF256Poly* rsg3 = m_field->GetOne()->Clone(e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> sLast(m_field->GetOne()->Clone(e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sLast(rsg3); - CBC_ReedSolomonGF256Poly* rsg4 = m_field->GetZero()->Clone(e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> s(m_field->GetZero()->Clone(e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> s(rsg4); - CBC_ReedSolomonGF256Poly* rsg5 = m_field->GetZero()->Clone(e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> tLast(m_field->GetZero()->Clone(e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> tLast(rsg5); - CBC_ReedSolomonGF256Poly* rsg6 = m_field->GetOne()->Clone(e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> t(m_field->GetOne()->Clone(e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> t(rsg6); while (r->GetDegree() >= R / 2) { - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> rLastLast = rLast; - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sLastLast = sLast; - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> tLastlast = tLast; - rLast = r; - sLast = s; - tLast = t; + std::unique_ptr<CBC_ReedSolomonGF256Poly> rLastLast = std::move(rLast); + std::unique_ptr<CBC_ReedSolomonGF256Poly> sLastLast = std::move(sLast); + std::unique_ptr<CBC_ReedSolomonGF256Poly> tLastlast = std::move(tLast); + rLast = std::move(r); + sLast = std::move(s); + tLast = std::move(t); if (rLast->IsZero()) { e = BCExceptionR_I_1IsZero; BC_EXCEPTION_CHECK_ReturnValue(e, NULL); } - CBC_ReedSolomonGF256Poly* rsg7 = rLastLast->Clone(e); + r.reset(rLastLast->Clone(e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> rTemp(rsg7); - r = rTemp; - CBC_ReedSolomonGF256Poly* rsg8 = m_field->GetZero()->Clone(e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> q(m_field->GetZero()->Clone(e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> q(rsg8); int32_t denominatorLeadingTerm = rLast->GetCoefficients(rLast->GetDegree()); int32_t dltInverse = m_field->Inverse(denominatorLeadingTerm, e); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); @@ -133,37 +127,27 @@ CFX_PtrArray* CBC_ReedSolomonDecoder::RunEuclideanAlgorithm( int32_t degreeDiff = r->GetDegree() - rLast->GetDegree(); int32_t scale = m_field->Multiply(r->GetCoefficients(r->GetDegree()), dltInverse); - CBC_ReedSolomonGF256Poly* rsgp1 = - m_field->BuildMonomial(degreeDiff, scale, e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> build( + m_field->BuildMonomial(degreeDiff, scale, e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> build(rsgp1); - CBC_ReedSolomonGF256Poly* rsgp2 = q->AddOrSubtract(build.get(), e); + q.reset(q->AddOrSubtract(build.get(), e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp(rsgp2); - q = temp; - CBC_ReedSolomonGF256Poly* rsgp3 = - rLast->MultiplyByMonomial(degreeDiff, scale, e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> multiply( + rLast->MultiplyByMonomial(degreeDiff, scale, e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> multiply(rsgp3); - CBC_ReedSolomonGF256Poly* rsgp4 = r->AddOrSubtract(multiply.get(), e); + r.reset(r->AddOrSubtract(multiply.get(), e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp3(rsgp4); - r = temp3; } - CBC_ReedSolomonGF256Poly* rsg9 = q->Multiply(sLast.get(), e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> temp1( + q->Multiply(sLast.get(), e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp1(rsg9); - CBC_ReedSolomonGF256Poly* rsg10 = temp1->AddOrSubtract(sLastLast.get(), e); + s.reset(temp1->AddOrSubtract(sLastLast.get(), e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp2(rsg10); - s = temp2; - CBC_ReedSolomonGF256Poly* rsg11 = q->Multiply(tLast.get(), e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> temp5( + q->Multiply(tLast.get(), e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp5(rsg11); - CBC_ReedSolomonGF256Poly* rsg12 = temp5->AddOrSubtract(tLastlast.get(), e); + t.reset(temp5->AddOrSubtract(tLastlast.get(), e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp6(rsg12); - t = temp6; } int32_t sigmaTildeAtZero = t->GetCoefficients(0); if (sigmaTildeAtZero == 0) { @@ -172,12 +156,10 @@ CFX_PtrArray* CBC_ReedSolomonDecoder::RunEuclideanAlgorithm( } int32_t inverse = m_field->Inverse(sigmaTildeAtZero, e); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_ReedSolomonGF256Poly* rsg13 = t->Multiply(inverse, e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> sigma(t->Multiply(inverse, e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sigma(rsg13); - CBC_ReedSolomonGF256Poly* rsg14 = r->Multiply(inverse, e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> omega(r->Multiply(inverse, e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> omega(rsg14); CFX_PtrArray* temp = new CFX_PtrArray; temp->Add(sigma.release()); temp->Add(omega.release()); @@ -188,13 +170,13 @@ CFX_Int32Array* CBC_ReedSolomonDecoder::FindErrorLocations( int32_t& e) { int32_t numErrors = errorLocator->GetDegree(); if (numErrors == 1) { - CBC_AutoPtr<CFX_Int32Array> temp(new CFX_Int32Array); + std::unique_ptr<CFX_Int32Array> temp(new CFX_Int32Array); temp->Add(errorLocator->GetCoefficients(1)); return temp.release(); } CFX_Int32Array* tempT = new CFX_Int32Array; tempT->SetSize(numErrors); - CBC_AutoPtr<CFX_Int32Array> result(tempT); + std::unique_ptr<CFX_Int32Array> result(tempT); int32_t ie = 0; for (int32_t i = 1; i < 256 && ie < numErrors; i++) { if (errorLocator->EvaluateAt(i) == 0) { @@ -217,7 +199,7 @@ CFX_Int32Array* CBC_ReedSolomonDecoder::FindErrorMagnitudes( int32_t s = errorLocations->GetSize(); CFX_Int32Array* temp = new CFX_Int32Array; temp->SetSize(s); - CBC_AutoPtr<CFX_Int32Array> result(temp); + std::unique_ptr<CFX_Int32Array> result(temp); for (int32_t i = 0; i < s; i++) { int32_t xiInverse = m_field->Inverse(errorLocations->operator[](i), e); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp index baafde023a..f138009ffa 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp @@ -20,9 +20,12 @@ * limitations under the License. */ -#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h" +#include <memory> + +#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" + CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients) { if (field == NULL) { @@ -216,12 +219,11 @@ CFX_PtrArray* CBC_ReedSolomonGF256Poly::Divide(CBC_ReedSolomonGF256Poly* other, e = BCExceptionDivideByZero; BC_EXCEPTION_CHECK_ReturnValue(e, NULL); } - CBC_ReedSolomonGF256Poly* rsg1 = m_field->GetZero()->Clone(e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> quotient( + m_field->GetZero()->Clone(e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> quotient(rsg1); - CBC_ReedSolomonGF256Poly* rsg2 = Clone(e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> remainder(Clone(e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> remainder(rsg2); int32_t denominatorLeadingTerm = other->GetCoefficients(other->GetDegree()); int32_t inverseDenominatorLeadingTeam = m_field->Inverse(denominatorLeadingTerm, e); @@ -231,23 +233,16 @@ CFX_PtrArray* CBC_ReedSolomonGF256Poly::Divide(CBC_ReedSolomonGF256Poly* other, int32_t scale = m_field->Multiply(remainder->GetCoefficients((remainder->GetDegree())), inverseDenominatorLeadingTeam); - CBC_ReedSolomonGF256Poly* rsg3 = - other->MultiplyByMonomial(degreeDifference, scale, e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> term( + other->MultiplyByMonomial(degreeDifference, scale, e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> term(rsg3); - CBC_ReedSolomonGF256Poly* rsg4 = - m_field->BuildMonomial(degreeDifference, scale, e); + std::unique_ptr<CBC_ReedSolomonGF256Poly> iteratorQuotient( + m_field->BuildMonomial(degreeDifference, scale, e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> iteratorQuotient(rsg4); - CBC_ReedSolomonGF256Poly* rsg5 = - quotient->AddOrSubtract(iteratorQuotient.get(), e); + quotient.reset(quotient->AddOrSubtract(iteratorQuotient.get(), e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp(rsg5); - quotient = temp; - CBC_ReedSolomonGF256Poly* rsg6 = remainder->AddOrSubtract(term.get(), e); + remainder.reset(remainder->AddOrSubtract(term.get(), e)); BC_EXCEPTION_CHECK_ReturnValue(e, NULL); - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp1(rsg6); - remainder = temp1; } CFX_PtrArray* tempPtrA = new CFX_PtrArray; tempPtrA->Add(quotient.release()); diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h index 8f2642dd87..71e4a09dd3 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h @@ -7,7 +7,10 @@ #ifndef XFA_SRC_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ #define XFA_SRC_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_ +#include "core/include/fxcrt/fx_basic.h" + class CBC_ReedSolomonGF256; + class CBC_ReedSolomonGF256Poly { public: CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients); |