1 files changed, 125 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/src/BC_QRCoderBitVector.cpp b/xfa/src/fxbarcode/src/BC_QRCoderBitVector.cpp
new file mode 100644
index 0000000000..26be81cc9b
--- /dev/null
+++ b/xfa/src/fxbarcode/src/BC_QRCoderBitVector.cpp
@@ -0,0 +1,125 @@
+// 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
+
+#include "barcode.h"
+#include "include/BC_QRCoderBitVector.h"
+CBC_QRCoderBitVector::CBC_QRCoderBitVector()
+{
+    m_sizeInBits = 0;
+    m_size = 32;
+}
+void CBC_QRCoderBitVector::Init()
+{
+    m_array = FX_Alloc(FX_BYTE, m_size);
+}
+CBC_QRCoderBitVector::~CBC_QRCoderBitVector()
+{
+    if(m_array != NULL) {
+        FX_Free(m_array);
+    }
+    m_size = 0;
+    m_sizeInBits = 0;
+}
+void CBC_QRCoderBitVector::Clear()
+{
+    if(m_array != NULL) {
+        FX_Free(m_array);
+        m_array = NULL;
+    }
+    m_sizeInBits = 0;
+    m_size = 32;
+    m_array = FX_Alloc(FX_BYTE, m_size);
+}
+FX_INT32 CBC_QRCoderBitVector::At(FX_INT32 index, FX_INT32 &e)
+{
+    if(index < 0 || index >= m_sizeInBits) {
+        e = BCExceptionBadIndexException;
+        BC_EXCEPTION_CHECK_ReturnValue(e, 0);
+    }
+    FX_INT32 value = m_array[index >> 3] & 0xff;
+    return (value >> (7 - (index & 0x7))) & 1;
+}
+FX_INT32 CBC_QRCoderBitVector::sizeInBytes()
+{
+    return (m_sizeInBits + 7) >> 3;
+}
+FX_INT32 CBC_QRCoderBitVector::Size()
+{
+    return m_sizeInBits;
+}
+void CBC_QRCoderBitVector::AppendBit(FX_INT32 bit, FX_INT32 &e)
+{
+    if(!(bit == 0 || bit == 1)) {
+        e = BCExceptionBadValueException;
+        BC_EXCEPTION_CHECK_ReturnVoid(e);
+    }
+    FX_INT32 numBitsInLastByte = m_sizeInBits & 0x7;
+    if(numBitsInLastByte == 0) {
+        AppendByte(0);
+        m_sizeInBits -= 8;
+    }
+    m_array[m_sizeInBits >> 3] |= (bit << (7 - numBitsInLastByte));
+    ++m_sizeInBits;
+}
+void CBC_QRCoderBitVector::AppendBits(FX_INT32 value, FX_INT32 numBits, FX_INT32 &e)
+{
+    if (numBits < 0 || numBits > 32) {
+        e = BCExceptionBadNumBitsException;
+        BC_EXCEPTION_CHECK_ReturnVoid(e);
+    }
+    FX_INT32 numBitsLeft = numBits;
+    while (numBitsLeft > 0) {
+        if ((m_sizeInBits & 0x7) == 0 && numBitsLeft >= 8) {
+            FX_INT32 newByte = (value >> (numBitsLeft - 8)) & 0xff;
+            AppendByte(newByte);
+            numBitsLeft -= 8;
+        } else {
+            FX_INT32 bit = (value >> (numBitsLeft - 1)) & 1;
+            AppendBit(bit, e);
+            BC_EXCEPTION_CHECK_ReturnVoid(e);
+            --numBitsLeft;
+        }
+    }
+}
+void CBC_QRCoderBitVector::AppendBitVector(CBC_QRCoderBitVector *bits, FX_INT32 &e)
+{
+    FX_INT32 size = bits->Size();
+    for(FX_INT32 i = 0; i < size; i++) {
+        FX_INT32 num = bits->At(i, e);
+        BC_EXCEPTION_CHECK_ReturnVoid(e);
+        AppendBit(num, e);
+        BC_EXCEPTION_CHECK_ReturnVoid(e)
+    }
+}
+void CBC_QRCoderBitVector::XOR(CBC_QRCoderBitVector *other, FX_INT32 &e)
+{
+    if(m_sizeInBits != other->Size()) {
+        e = BCExceptioncanNotOperatexorOperator;
+        BC_EXCEPTION_CHECK_ReturnVoid(e);
+    }
+    FX_INT32 sizeInBytes = (m_sizeInBits + 7) >> 3;
+    for(FX_INT32 i = 0; i < sizeInBytes; ++i) {
+        m_array[i] ^= (other->GetArray())[i];
+    }
+}
+FX_BYTE* CBC_QRCoderBitVector::GetArray()
+{
+    return m_array;
+}
+void CBC_QRCoderBitVector::AppendByte(FX_INT32 value)
+{
+    if((m_sizeInBits >> 3) == m_size) {
+        FX_BYTE* newArray = FX_Alloc(FX_BYTE, m_size << 1);
+        FXSYS_memcpy32(newArray, m_array, m_size);
+        if(m_array != NULL) {
+            FX_Free(m_array);
+        }
+        m_array = newArray;
+        m_size = m_size << 1;
+    }
+    m_array[m_sizeInBits >> 3] = (FX_BYTE) value;
+    m_sizeInBits += 8;
+}