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authorweili <weili@chromium.org>2016-08-09 13:45:03 -0700
committerCommit bot <commit-bot@chromium.org>2016-08-09 13:45:03 -0700
commite76203dbefd1df075a063ee019c3908513f6bee5 (patch)
tree2a763852e1d1de3eee6a67285ea96be2874bfb00 /xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp
parentad5ac7584844b03c5ceed082e5f5158a632405cc (diff)
downloadpdfium-e76203dbefd1df075a063ee019c3908513f6bee5.tar.xz
Use smart pointers for class owned pointers in xfa/fxbarcode
For classes under xfa/fxbarcode, use smart pointers instead of raw pointer to make memory management easier. Also fix some styling issues along the changes. BUG=pdfium:518 Review-Url: https://codereview.chromium.org/2221023003
Diffstat (limited to 'xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp')
-rw-r--r--xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp38
1 files changed, 23 insertions, 15 deletions
diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp
index da0ad3ff05..c9425dfa19 100644
--- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp
+++ b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp
@@ -23,18 +23,19 @@
#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h"
-CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::QRCodeFild = nullptr;
+CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::QRCodeField = nullptr;
CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::DataMatrixField = nullptr;
+
void CBC_ReedSolomonGF256::Initialize() {
- QRCodeFild = new CBC_ReedSolomonGF256(0x011D);
- QRCodeFild->Init();
+ QRCodeField = new CBC_ReedSolomonGF256(0x011D);
+ QRCodeField->Init();
DataMatrixField = new CBC_ReedSolomonGF256(0x012D);
DataMatrixField->Init();
}
void CBC_ReedSolomonGF256::Finalize() {
- delete QRCodeFild;
- QRCodeFild = nullptr;
+ delete QRCodeField;
+ QRCodeField = nullptr;
delete DataMatrixField;
DataMatrixField = nullptr;
}
@@ -53,20 +54,22 @@ CBC_ReedSolomonGF256::CBC_ReedSolomonGF256(int32_t primitive) {
}
m_logTable[0] = 0;
}
+
void CBC_ReedSolomonGF256::Init() {
- m_zero = new CBC_ReedSolomonGF256Poly(this, 0);
- m_one = new CBC_ReedSolomonGF256Poly(this, 1);
-}
-CBC_ReedSolomonGF256::~CBC_ReedSolomonGF256() {
- delete m_zero;
- delete m_one;
+ m_zero.reset(new CBC_ReedSolomonGF256Poly(this, 0));
+ m_one.reset(new CBC_ReedSolomonGF256Poly(this, 1));
}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetZero() {
- return m_zero;
+
+CBC_ReedSolomonGF256::~CBC_ReedSolomonGF256() {}
+
+CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetZero() const {
+ return m_zero.get();
}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetOne() {
- return m_one;
+
+CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetOne() const {
+ return m_one.get();
}
+
CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::BuildMonomial(
int32_t degree,
int32_t coefficient,
@@ -88,12 +91,15 @@ CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::BuildMonomial(
BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
return temp;
}
+
int32_t CBC_ReedSolomonGF256::AddOrSubtract(int32_t a, int32_t b) {
return a ^ b;
}
+
int32_t CBC_ReedSolomonGF256::Exp(int32_t a) {
return m_expTable[a];
}
+
int32_t CBC_ReedSolomonGF256::Log(int32_t a, int32_t& e) {
if (a == 0) {
e = BCExceptionAIsZero;
@@ -101,6 +107,7 @@ int32_t CBC_ReedSolomonGF256::Log(int32_t a, int32_t& e) {
}
return m_logTable[a];
}
+
int32_t CBC_ReedSolomonGF256::Inverse(int32_t a, int32_t& e) {
if (a == 0) {
e = BCExceptionAIsZero;
@@ -108,6 +115,7 @@ int32_t CBC_ReedSolomonGF256::Inverse(int32_t a, int32_t& e) {
}
return m_expTable[255 - m_logTable[a]];
}
+
int32_t CBC_ReedSolomonGF256::Multiply(int32_t a, int32_t b) {
if (a == 0 || b == 0) {
return 0;