Index: xfa/src/fxbarcode/common/BC_CommonBitSource.cpp |
diff --git a/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp b/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp |
index c308638fad94e85526052a25317302880d01c8ba..7bf4bf61fd3c44f8c15ad470d06392020ee7c470 100644 |
--- a/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp |
+++ b/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp |
@@ -1,71 +1,71 @@ |
-// 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 "xfa/src/fxbarcode/barcode.h" |
-#include "BC_CommonBitSource.h" |
-CBC_CommonBitSource::CBC_CommonBitSource(CFX_ByteArray* bytes) { |
- m_bytes.Copy((*bytes)); |
- m_bitOffset = 0; |
- m_byteOffset = 0; |
-} |
-CBC_CommonBitSource::~CBC_CommonBitSource() {} |
-int32_t CBC_CommonBitSource::ReadBits(int32_t numBits, int32_t& e) { |
- if (numBits < 1 || numBits > 32) { |
- e = BCExceptionIllegalArgument; |
- return 0; |
- } |
- int32_t result = 0; |
- if (m_bitOffset > 0) { |
- int32_t bitsLeft = 8 - m_bitOffset; |
- int32_t toRead = numBits < bitsLeft ? numBits : bitsLeft; |
- int32_t bitsToNotRead = bitsLeft - toRead; |
- int32_t mask = (0xff >> (8 - toRead)) << bitsToNotRead; |
- result = (m_bytes[m_byteOffset] & mask) >> bitsToNotRead; |
- numBits -= toRead; |
- m_bitOffset += toRead; |
- if (m_bitOffset == 8) { |
- m_bitOffset = 0; |
- m_byteOffset++; |
- } |
- } |
- if (numBits > 0) { |
- while (numBits >= 8) { |
- result = (result << 8) | (m_bytes[m_byteOffset] & 0xff); |
- m_byteOffset++; |
- numBits -= 8; |
- } |
- if (numBits > 0) { |
- int32_t bitsToNotRead = 8 - numBits; |
- int32_t mask = (0xff >> bitsToNotRead) << bitsToNotRead; |
- result = (result << numBits) | |
- ((m_bytes[m_byteOffset] & mask) >> bitsToNotRead); |
- m_bitOffset += numBits; |
- } |
- } |
- return result; |
-} |
-int32_t CBC_CommonBitSource::Available() { |
- return 8 * (m_bytes.GetSize() - m_byteOffset) - m_bitOffset; |
-} |
-int32_t CBC_CommonBitSource::getByteOffset() { |
- return m_byteOffset; |
-} |
+// 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 "xfa/src/fxbarcode/barcode.h" |
+#include "BC_CommonBitSource.h" |
+CBC_CommonBitSource::CBC_CommonBitSource(CFX_ByteArray* bytes) { |
+ m_bytes.Copy((*bytes)); |
+ m_bitOffset = 0; |
+ m_byteOffset = 0; |
+} |
+CBC_CommonBitSource::~CBC_CommonBitSource() {} |
+int32_t CBC_CommonBitSource::ReadBits(int32_t numBits, int32_t& e) { |
+ if (numBits < 1 || numBits > 32) { |
+ e = BCExceptionIllegalArgument; |
+ return 0; |
+ } |
+ int32_t result = 0; |
+ if (m_bitOffset > 0) { |
+ int32_t bitsLeft = 8 - m_bitOffset; |
+ int32_t toRead = numBits < bitsLeft ? numBits : bitsLeft; |
+ int32_t bitsToNotRead = bitsLeft - toRead; |
+ int32_t mask = (0xff >> (8 - toRead)) << bitsToNotRead; |
+ result = (m_bytes[m_byteOffset] & mask) >> bitsToNotRead; |
+ numBits -= toRead; |
+ m_bitOffset += toRead; |
+ if (m_bitOffset == 8) { |
+ m_bitOffset = 0; |
+ m_byteOffset++; |
+ } |
+ } |
+ if (numBits > 0) { |
+ while (numBits >= 8) { |
+ result = (result << 8) | (m_bytes[m_byteOffset] & 0xff); |
+ m_byteOffset++; |
+ numBits -= 8; |
+ } |
+ if (numBits > 0) { |
+ int32_t bitsToNotRead = 8 - numBits; |
+ int32_t mask = (0xff >> bitsToNotRead) << bitsToNotRead; |
+ result = (result << numBits) | |
+ ((m_bytes[m_byteOffset] & mask) >> bitsToNotRead); |
+ m_bitOffset += numBits; |
+ } |
+ } |
+ return result; |
+} |
+int32_t CBC_CommonBitSource::Available() { |
+ return 8 * (m_bytes.GetSize() - m_byteOffset) - m_bitOffset; |
+} |
+int32_t CBC_CommonBitSource::getByteOffset() { |
+ return m_byteOffset; |
+} |