Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_CommonBitArray.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");
- * 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_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);
-}