1 files changed, 124 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/common/BC_CommonBitArray.cpp b/xfa/src/fxbarcode/common/BC_CommonBitArray.cpp
new file mode 100644
index 0000000000..6263affbe8
--- /dev/null
+++ b/xfa/src/fxbarcode/common/BC_CommonBitArray.cpp
@@ -0,0 +1,124 @@
+// 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 "BC_CommonBitArray.h"
+CBC_CommonBitArray::CBC_CommonBitArray(CBC_CommonBitArray* array)
+{
+    m_size = array->GetSize();
+    m_bits.Copy(array->GetBits());
+}
+CBC_CommonBitArray::CBC_CommonBitArray()
+{
+    m_bits.SetSize(1);
+    m_size = 0;
+}
+CBC_CommonBitArray::CBC_CommonBitArray(FX_INT32 size)
+{
+    m_bits.SetSize((size + 31) >> 5);
+    m_size = size;
+}
+CBC_CommonBitArray::~CBC_CommonBitArray()
+{
+    m_size = 0;
+}
+FX_INT32 CBC_CommonBitArray::GetSize()
+{
+    return m_size;
+}
+CFX_Int32Array& CBC_CommonBitArray::GetBits()
+{
+    return m_bits;
+}
+FX_INT32 CBC_CommonBitArray::GetSizeInBytes()
+{
+    return (m_size + 7) >> 3;
+}
+FX_BOOL CBC_CommonBitArray::Get(FX_INT32 i)
+{
+    return (m_bits[i >> 5] & (1 << (i & 0x1f))) != 0;
+}
+void CBC_CommonBitArray::Set(FX_INT32 i)
+{
+    m_bits[i >> 5] |= 1 << (i & 0x1F);
+}
+void CBC_CommonBitArray::Flip(FX_INT32 i)
+{
+    m_bits[i >> 5] ^= 1 << (i & 0x1F);
+}
+void CBC_CommonBitArray::SetBulk(FX_INT32 i, FX_INT32 newBits)
+{
+    m_bits[i >> 5] = newBits;
+}
+void CBC_CommonBitArray::Clear()
+{
+    FXSYS_memset32(&m_bits[0], 0x00, m_bits.GetSize() * sizeof(FX_INT32));
+}
+FX_BOOL CBC_CommonBitArray::IsRange(FX_INT32 start, FX_INT32 end, FX_BOOL value, FX_INT32 &e)
+{
+    if (end < start) {
+        e = BCExceptionEndLessThanStart;
+        return FALSE;
+    }
+    if (end == start) {
+        return TRUE;
+    }
+    end--;
+    FX_INT32 firstInt = start >> 5;
+    FX_INT32 lastInt = end >> 5;
+    FX_INT32 i;
+    for (i = firstInt; i <= lastInt; i++) {
+        FX_INT32 firstBit = i > firstInt ? 0 : start & 0x1F;
+        FX_INT32 lastBit = i < lastInt ? 31 : end & 0x1F;
+        FX_INT32 mask;
+        if (firstBit == 0 && lastBit == 31) {
+            mask = -1;
+        } else {
+            mask = 0;
+            for (FX_INT32 j = firstBit; j <= lastBit; j++) {
+                mask |= 1 << j;
+            }
+        }
+        if ((m_bits[i] & mask) != (value ? mask : 0)) {
+            return FALSE;
+        }
+    }
+    return TRUE;
+}
+FX_INT32* CBC_CommonBitArray::GetBitArray()
+{
+    return &m_bits[0];
+}
+void CBC_CommonBitArray::Reverse()
+{
+    FX_INT32* newBits = FX_Alloc(FX_INT32, m_bits.GetSize());
+    FXSYS_memset32(newBits, 0x00, m_bits.GetSize() * sizeof(FX_INT32));
+    FX_INT32 size = m_size;
+    FX_INT32 i;
+    for (i = 0; i < size; i++) {
+        if (Get(size - i - 1)) {
+            newBits[i >> 5] |= 1 << (i & 0x1F);
+        }
+    }
+    FXSYS_memcpy32(&m_bits[0], newBits, m_bits.GetSize() * sizeof(FX_INT32));
+    FX_Free(newBits);
+}