Merge to XFA: Use stdint.h types throughout PDFium.

xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp

 // 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");
@@ skipping 13 matching lines @@
 #include "BC_ReedSolomonGF256.h"
 #include "BC_ReedSolomonGF256Poly.h"
 #include "BC_ReedSolomonDecoder.h"
 CBC_ReedSolomonDecoder::CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field)
 {
     m_field = field;
 }
 CBC_ReedSolomonDecoder::~CBC_ReedSolomonDecoder()
 {
 }
-void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, FX_INT32 twoS, FX_INT32 &e)
+void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, int32_t twoS, int32_t &e)
 {
     CBC_ReedSolomonGF256Poly poly;
     poly.Init(m_field, received, e);
     BC_EXCEPTION_CHECK_ReturnVoid(e);
     CFX_Int32Array syndromeCoefficients;
     syndromeCoefficients.SetSize(twoS);
     FX_BOOL dataMatrix = FALSE;
     FX_BOOL noError = TRUE;
-    for (FX_INT32 i = 0; i < twoS; i++) {
-        FX_INT32 eval = poly.EvaluateAt(m_field->Exp(dataMatrix ? i + 1 : i));
+    for (int32_t i = 0; i < twoS; i++) {
+        int32_t eval = poly.EvaluateAt(m_field->Exp(dataMatrix ? i + 1 : i));
         syndromeCoefficients[twoS - 1 - i] = eval;
         if (eval != 0) {
             noError = FALSE;
         }
     }
     if(noError) {
         return;
     }
     CBC_ReedSolomonGF256Poly syndrome;
     syndrome.Init(m_field, &syndromeCoefficients, e);
     BC_EXCEPTION_CHECK_ReturnVoid(e);
     CBC_ReedSolomonGF256Poly* rsg = 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);
     BC_EXCEPTION_CHECK_ReturnVoid(e);
     CBC_AutoPtr<CFX_PtrArray > sigmaOmega(pa);
     CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sigma((CBC_ReedSolomonGF256Poly*)(*sigmaOmega)[0]);
     CBC_AutoPtr<CBC_ReedSolomonGF256Poly> omega((CBC_ReedSolomonGF256Poly*)(*sigmaOmega)[1]);
     CFX_Int32Array* ia1 = 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);
     BC_EXCEPTION_CHECK_ReturnVoid(e);
     CBC_AutoPtr<CFX_Int32Array > errorMagnitudes(ia2);
-    for (FX_INT32 k = 0; k < errorLocations->GetSize(); k++) {
-        FX_INT32 position = received->GetSize() - 1 - m_field->Log((*errorLocations)[k], e);
+    for (int32_t k = 0; k < errorLocations->GetSize(); k++) {
+        int32_t position = received->GetSize() - 1 - m_field->Log((*errorLocations)[k], e);
         BC_EXCEPTION_CHECK_ReturnVoid(e);
         if(position < 0) {
             e = BCExceptionBadErrorLocation;
             BC_EXCEPTION_CHECK_ReturnVoid(e);
         }
         (*received)[position] = CBC_ReedSolomonGF256::AddOrSubtract((*received)[position], (*errorMagnitudes)[k]);
     }
 }
-CFX_PtrArray *CBC_ReedSolomonDecoder::RunEuclideanAlgorithm(CBC_ReedSolomonGF256Poly* a, CBC_ReedSolomonGF256Poly* b, FX_INT32 R, FX_INT32 &e)
+CFX_PtrArray *CBC_ReedSolomonDecoder::RunEuclideanAlgorithm(CBC_ReedSolomonGF256Poly* a, CBC_ReedSolomonGF256Poly* b, int32_t R, int32_t &e)
 {
     if (a->GetDegree() < b->GetDegree()) {
         CBC_ReedSolomonGF256Poly* temp = a;
         a = b;
         b = temp;
     }
     CBC_ReedSolomonGF256Poly* rsg1 = a->Clone(e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     CBC_AutoPtr<CBC_ReedSolomonGF256Poly> rLast(rsg1);
     CBC_ReedSolomonGF256Poly* rsg2 = b->Clone(e);
@@ skipping 22 matching lines @@
             e = BCExceptionR_I_1IsZero;
             BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         }
         CBC_ReedSolomonGF256Poly* rsg7 =  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);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         CBC_AutoPtr<CBC_ReedSolomonGF256Poly> q(rsg8);
-        FX_INT32 denominatorLeadingTerm = rLast->GetCoefficients(rLast->GetDegree());
-        FX_INT32 dltInverse = m_field->Inverse(denominatorLeadingTerm, e);
+        int32_t denominatorLeadingTerm = rLast->GetCoefficients(rLast->GetDegree());
+        int32_t dltInverse = m_field->Inverse(denominatorLeadingTerm, e);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         while (r->GetDegree() >= rLast->GetDegree() && !(r->IsZero())) {
-            FX_INT32 degreeDiff = r->GetDegree() - rLast->GetDegree();
-            FX_INT32 scale = m_field->Multiply(r->GetCoefficients(r->GetDegree()), dltInverse);
+            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);
             BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
             CBC_AutoPtr<CBC_ReedSolomonGF256Poly> build(rsgp1);
             CBC_ReedSolomonGF256Poly* rsgp2 = 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);
             BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
             CBC_AutoPtr<CBC_ReedSolomonGF256Poly> multiply(rsgp3);
@@ skipping 10 matching lines @@
         CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp2(rsg10);
         s = temp2;
         CBC_ReedSolomonGF256Poly* rsg11 = 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);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp6(rsg12);
         t = temp6;
     }
-    FX_INT32 sigmaTildeAtZero = t->GetCoefficients(0);
+    int32_t sigmaTildeAtZero = t->GetCoefficients(0);
     if (sigmaTildeAtZero == 0) {
         e = BCExceptionIsZero;
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     }
-    FX_INT32 inverse = m_field->Inverse(sigmaTildeAtZero, e);
+    int32_t inverse = m_field->Inverse(sigmaTildeAtZero, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     CBC_ReedSolomonGF256Poly* rsg13 = t->Multiply(inverse, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sigma(rsg13);
     CBC_ReedSolomonGF256Poly* rsg14 = r->Multiply(inverse, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     CBC_AutoPtr<CBC_ReedSolomonGF256Poly> omega(rsg14);
     CFX_PtrArray *temp = FX_NEW CFX_PtrArray;
     temp->Add(sigma.release());
     temp->Add(omega.release());
     return temp;
 }
-CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator, FX_INT32 &e)
+CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator, int32_t &e)
 {
-    FX_INT32 numErrors = errorLocator->GetDegree();
+    int32_t numErrors = errorLocator->GetDegree();
     if (numErrors == 1) {
         CBC_AutoPtr<CFX_Int32Array > temp(FX_NEW CFX_Int32Array);
         temp->Add(errorLocator->GetCoefficients(1));
         return temp.release();
     }
     CFX_Int32Array *tempT = FX_NEW CFX_Int32Array;
     tempT->SetSize(numErrors);
     CBC_AutoPtr<CFX_Int32Array > result(tempT);
-    FX_INT32 ie = 0;
-    for (FX_INT32 i = 1; i < 256 && ie < numErrors; i++) {
+    int32_t ie = 0;
+    for (int32_t i = 1; i < 256 && ie < numErrors; i++) {
         if(errorLocator->EvaluateAt(i) == 0) {
             (*result)[ie] = m_field->Inverse(i, ie);
             BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
             ie++;
         }
     }
     if (ie != numErrors) {
         e = BCExceptionDegreeNotMatchRoots;
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     }
     return result.release();
 }
-CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorMagnitudes(CBC_ReedSolomonGF256Poly* errorEvaluator, CFX_Int32Array* errorLocations, FX_BOOL dataMatrix, FX_INT32 &e)
+CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorMagnitudes(CBC_ReedSolomonGF256Poly* errorEvaluator, CFX_Int32Array* errorLocations, FX_BOOL dataMatrix, int32_t &e)
 {
-    FX_INT32 s = errorLocations->GetSize();
+    int32_t s = errorLocations->GetSize();
     CFX_Int32Array * temp = FX_NEW CFX_Int32Array;
     temp->SetSize(s);
     CBC_AutoPtr<CFX_Int32Array > result(temp);
-    for (FX_INT32 i = 0; i < s; i++) {
-        FX_INT32 xiInverse = m_field->Inverse(errorLocations->operator [](i), e);
+    for (int32_t i = 0; i < s; i++) {
+        int32_t xiInverse = m_field->Inverse(errorLocations->operator [](i), e);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        FX_INT32 denominator = 1;
-        for(FX_INT32 j = 0; j < s; j++) {
+        int32_t denominator = 1;
+        for(int32_t j = 0; j < s; j++) {
             if(i != j) {
                 denominator = m_field->Multiply(denominator,
                                                 CBC_ReedSolomonGF256::AddOrSubtract(1, m_field->Multiply(errorLocations->operator [](j), xiInverse)));
             }
         }
-        FX_INT32 temp = m_field->Inverse(denominator, temp);
+        int32_t temp = m_field->Inverse(denominator, temp);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         (*result)[i] = m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse),
                                          temp);
     }
     return result.release();
 }