Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_ReedSolomonGF256Poly.cpp

Index: xfa/src/fxbarcode/src/BC_ReedSolomonGF256Poly.cpp
diff --git a/xfa/src/fxbarcode/src/BC_ReedSolomonGF256Poly.cpp b/xfa/src/fxbarcode/src/BC_ReedSolomonGF256Poly.cpp
deleted file mode 100644
index 6c8edb7897db515459a28ac1139d61f22d2e7471..0000000000000000000000000000000000000000
--- a/xfa/src/fxbarcode/src/BC_ReedSolomonGF256Poly.cpp
+++ /dev/null
@@ -1,257 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-// Original code is licensed as follows:
-/*
- * Copyright 2007 ZXing authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "barcode.h"
-#include "include/BC_ReedSolomonGF256.h"
-#include "include/BC_ReedSolomonGF256Poly.h"
-CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, FX_INT32 coefficients)
-{
-    if(field == NULL) {
-        return;
-    }
-    m_field = field;
-    m_coefficients.Add(coefficients);
-}
-CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly()
-{
-    m_field = NULL;
-}
-void CBC_ReedSolomonGF256Poly::Init(CBC_ReedSolomonGF256* field, CFX_Int32Array* coefficients, FX_INT32 &e)
-{
-    if(coefficients == NULL || coefficients->GetSize() == 0) {
-        e = BCExceptionCoefficientsSizeIsNull;
-        BC_EXCEPTION_CHECK_ReturnVoid(e);
-    }
-    m_field = field;
-    FX_INT32 coefficientsLength = coefficients->GetSize();
-    if((coefficientsLength > 1 && (*coefficients)[0] == 0)) {
-        FX_INT32 firstNonZero = 1;
-        while((firstNonZero < coefficientsLength) && ((*coefficients)[firstNonZero] == 0)) {
-            firstNonZero++;
-        }
-        if(firstNonZero == coefficientsLength) {
-            m_coefficients.Copy( *(m_field->GetZero()->GetCoefficients()));
-        } else {
-            m_coefficients.SetSize(coefficientsLength - firstNonZero);
-            for(FX_INT32 i = firstNonZero, j = 0; i < coefficientsLength; i++, j++) {
-                m_coefficients[j] = coefficients->operator [](i);
-            }
-        }
-    } else {
-        m_coefficients.Copy(*coefficients);
-    }
-}
-CFX_Int32Array* CBC_ReedSolomonGF256Poly::GetCoefficients()
-{
-    return &m_coefficients;
-}
-FX_INT32 CBC_ReedSolomonGF256Poly::GetDegree()
-{
-    return m_coefficients.GetSize() - 1;
-}
-FX_BOOL CBC_ReedSolomonGF256Poly::IsZero()
-{
-    return m_coefficients[0] == 0;
-}
-FX_INT32 CBC_ReedSolomonGF256Poly::GetCoefficients(FX_INT32 degree)
-{
-    return m_coefficients[m_coefficients.GetSize() - 1 - degree];
-}
-FX_INT32 CBC_ReedSolomonGF256Poly::EvaluateAt(FX_INT32 a)
-{
-    if(a == 0) {
-        return GetCoefficients(0);
-    }
-    FX_INT32 size = m_coefficients.GetSize();
-    if(a == 1) {
-        FX_INT32 result = 0;
-        for(FX_INT32 i = 0; i < size; i++) {
-            result = CBC_ReedSolomonGF256::AddOrSubtract(result, m_coefficients[i]);
-        }
-        return result;
-    }
-    FX_INT32 result = m_coefficients[0];
-    for(FX_INT32 j = 1; j < size; j++) {
-        result = CBC_ReedSolomonGF256::AddOrSubtract(
-                     m_field->Multiply(a, result),
-                     m_coefficients[j]);
-    }
-    return result;
-}
-CBC_ReedSolomonGF256Poly *CBC_ReedSolomonGF256Poly::Clone(FX_INT32 &e)
-{
-    CBC_ReedSolomonGF256Poly *temp  = FX_NEW CBC_ReedSolomonGF256Poly();
-    temp->Init(m_field, &m_coefficients, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::AddOrSubtract(CBC_ReedSolomonGF256Poly* other, FX_INT32 &e)
-{
-    if(IsZero()) {
-        return other->Clone(e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    }
-    if(other->IsZero()) {
-        return this->Clone(e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    }
-    CFX_Int32Array smallerCoefficients;
-    smallerCoefficients.Copy(m_coefficients);
-    CFX_Int32Array largerCoefficients;
-    largerCoefficients.Copy( *(other->GetCoefficients()));
-    if(smallerCoefficients.GetSize() > largerCoefficients.GetSize()) {
-        CFX_Int32Array temp;
-        temp.Copy(smallerCoefficients);
-        smallerCoefficients.Copy(largerCoefficients);
-        largerCoefficients.Copy(temp);
-    }
-    CFX_Int32Array sumDiff;
-    sumDiff.SetSize(largerCoefficients.GetSize() );
-    FX_INT32 lengthDiff = largerCoefficients.GetSize() - smallerCoefficients.GetSize();
-    for(FX_INT32 i = 0; i < lengthDiff; i++) {
-        sumDiff[i] = largerCoefficients[i];
-    }
-    for(FX_INT32 j = lengthDiff; j < largerCoefficients.GetSize(); j++) {
-        sumDiff[j] = (CBC_ReedSolomonGF256::AddOrSubtract(smallerCoefficients[j - lengthDiff],
-                      largerCoefficients[j]));
-    }
-    CBC_ReedSolomonGF256Poly *temp = FX_NEW CBC_ReedSolomonGF256Poly();
-    temp->Init(m_field, &sumDiff, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(CBC_ReedSolomonGF256Poly* other, FX_INT32 &e)
-{
-    if(IsZero() || other->IsZero()) {
-        CBC_ReedSolomonGF256Poly *temp = m_field->GetZero()->Clone(e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        return temp;
-    }
-    CFX_Int32Array aCoefficients ;
-    aCoefficients.Copy(m_coefficients);
-    FX_INT32 aLength = m_coefficients.GetSize();
-    CFX_Int32Array bCoefficients;
-    bCoefficients.Copy(*(other->GetCoefficients()));
-    FX_INT32 bLength = other->GetCoefficients()->GetSize();
-    CFX_Int32Array product;
-    product.SetSize(aLength + bLength - 1);
-    for(FX_INT32 i = 0; i < aLength; i++) {
-        FX_INT32 aCoeff = m_coefficients[i];
-        for(FX_INT32 j = 0; j < bLength; j++) {
-            product[i + j] = CBC_ReedSolomonGF256::AddOrSubtract(
-                                 product[i + j],
-                                 m_field->Multiply(aCoeff, other->GetCoefficients()->operator [](j)));
-        }
-    }
-    CBC_ReedSolomonGF256Poly *temp = FX_NEW CBC_ReedSolomonGF256Poly();
-    temp->Init(m_field, &product, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(FX_INT32 scalar, FX_INT32 &e)
-{
-    if(scalar == 0) {
-        CBC_ReedSolomonGF256Poly *temp = m_field->GetZero()->Clone(e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        return temp;
-    }
-    if(scalar == 1) {
-        return this->Clone(e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    }
-    FX_INT32 size = m_coefficients.GetSize();
-    CFX_Int32Array product;
-    product.SetSize(size);
-    for(FX_INT32 i = 0; i < size; i++) {
-        product[i] = m_field->Multiply(m_coefficients[i], scalar);
-    }
-    CBC_ReedSolomonGF256Poly *temp = FX_NEW CBC_ReedSolomonGF256Poly();
-    temp->Init(m_field, &product, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::MultiplyByMonomial(FX_INT32 degree, FX_INT32 coefficient, FX_INT32 &e)
-{
-    if(degree < 0) {
-        e = BCExceptionDegreeIsNegative;
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    }
-    if(coefficient == 0) {
-        CBC_ReedSolomonGF256Poly *temp = m_field->GetZero()->Clone(e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        return temp;
-    }
-    FX_INT32 size = m_coefficients.GetSize();
-    CFX_Int32Array product;
-    product.SetSize(size + degree);
-    for(FX_INT32 i = 0; i < size; i++) {
-        product[i] = (m_field->Multiply(m_coefficients[i], coefficient));
-    }
-    CBC_ReedSolomonGF256Poly *temp = FX_NEW CBC_ReedSolomonGF256Poly();
-    temp->Init(m_field, &product, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return temp;
-}
-CFX_PtrArray* CBC_ReedSolomonGF256Poly::Divide(CBC_ReedSolomonGF256Poly *other, FX_INT32 &e)
-{
-    if(other->IsZero()) {
-        e = BCExceptionDivideByZero;
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    }
-    CBC_ReedSolomonGF256Poly* rsg1 = m_field->GetZero()->Clone(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    CBC_AutoPtr<CBC_ReedSolomonGF256Poly> quotient(rsg1);
-    CBC_ReedSolomonGF256Poly* rsg2 = this->Clone(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    CBC_AutoPtr<CBC_ReedSolomonGF256Poly> remainder(rsg2);
-    FX_INT32 denominatorLeadingTerm = other->GetCoefficients(other->GetDegree());
-    FX_INT32 inverseDenominatorLeadingTeam = m_field->Inverse(denominatorLeadingTerm, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    FX_BOOL bFirst = TRUE;
-    while(remainder->GetDegree() >= other->GetDegree() && !remainder->IsZero()) {
-        FX_INT32 degreeDifference = remainder->GetDegree() - other->GetDegree();
-        FX_INT32 scale = m_field->Multiply(remainder->GetCoefficients((remainder->GetDegree())),
-                                           inverseDenominatorLeadingTeam);
-        CBC_ReedSolomonGF256Poly* rsg3 = 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);
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        CBC_AutoPtr<CBC_ReedSolomonGF256Poly> iteratorQuotient(rsg4);
-        CBC_ReedSolomonGF256Poly* rsg5 = 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);
-        BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp1(rsg6);
-        remainder = temp1;
-    }
-    CFX_PtrArray* tempPtrA = FX_NEW CFX_PtrArray;
-    tempPtrA->Add(quotient.release());
-    tempPtrA->Add(remainder.release());
-    return tempPtrA;
-}
-CBC_ReedSolomonGF256Poly::~CBC_ReedSolomonGF256Poly()
-{
-    m_coefficients.RemoveAll();
-}