1 files changed, 115 insertions, 0 deletions
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.cpp
new file mode 100644
index 0000000000..89c09c22a8
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.cpp
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+// 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 2008 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/fxbarcode/datamatrix/BC_DataMatrixDataBlock.h"
+
+#include <memory>
+
+#include "xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h"
+#include "xfa/fxbarcode/utils.h"
+
+CBC_DataMatrixDataBlock::~CBC_DataMatrixDataBlock() {}
+CBC_DataMatrixDataBlock::CBC_DataMatrixDataBlock(int32_t numDataCodewords,
+                                                 CFX_ByteArray* codewords) {
+  m_codewords.Copy(*codewords);
+  m_numDataCodewords = numDataCodewords;
+}
+CFX_PtrArray* CBC_DataMatrixDataBlock::GetDataBlocks(
+    CFX_ByteArray* rawCodewords,
+    CBC_DataMatrixVersion* version,
+    int32_t& e) {
+  ECBlocks* ecBlocks = version->GetECBlocks();
+  int32_t totalBlocks = 0;
+  const CFX_PtrArray& ecBlockArray = ecBlocks->GetECBlocks();
+  int32_t i;
+  for (i = 0; i < ecBlockArray.GetSize(); i++) {
+    totalBlocks += ((ECB*)ecBlockArray[i])->GetCount();
+  }
+  std::unique_ptr<CFX_PtrArray> result(new CFX_PtrArray());
+  result->SetSize(totalBlocks);
+  int32_t numResultBlocks = 0;
+  int32_t j;
+  for (j = 0; j < ecBlockArray.GetSize(); j++) {
+    for (i = 0; i < ((ECB*)ecBlockArray[j])->GetCount(); i++) {
+      int32_t numDataCodewords = ((ECB*)ecBlockArray[j])->GetDataCodewords();
+      int32_t numBlockCodewords = ecBlocks->GetECCodewords() + numDataCodewords;
+      CFX_ByteArray codewords;
+      codewords.SetSize(numBlockCodewords);
+      (*result)[numResultBlocks++] =
+          new CBC_DataMatrixDataBlock(numDataCodewords, &codewords);
+      codewords.SetSize(0);
+    }
+  }
+  int32_t longerBlocksTotalCodewords =
+      ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize();
+  int32_t longerBlocksNumDataCodewords =
+      longerBlocksTotalCodewords - ecBlocks->GetECCodewords();
+  int32_t shorterBlocksNumDataCodewords = longerBlocksNumDataCodewords - 1;
+  int32_t rawCodewordsOffset = 0;
+  for (i = 0; i < shorterBlocksNumDataCodewords; i++) {
+    int32_t j;
+    for (j = 0; j < numResultBlocks; j++) {
+      if (rawCodewordsOffset < rawCodewords->GetSize()) {
+        ((CBC_DataMatrixDataBlock*)(*result)[j])
+            ->GetCodewords()
+            ->
+            operator[](i) = (*rawCodewords)[rawCodewordsOffset++];
+      }
+    }
+  }
+  const bool specialVersion = version->GetVersionNumber() == 24;
+  int32_t numLongerBlocks = specialVersion ? 8 : numResultBlocks;
+  for (j = 0; j < numLongerBlocks; j++) {
+    if (rawCodewordsOffset < rawCodewords->GetSize()) {
+      ((CBC_DataMatrixDataBlock*)(*result)[j])
+          ->GetCodewords()
+          ->
+          operator[](longerBlocksNumDataCodewords - 1) =
+          (*rawCodewords)[rawCodewordsOffset++];
+    }
+  }
+  int32_t max =
+      ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize();
+  for (i = longerBlocksNumDataCodewords; i < max; i++) {
+    int32_t j;
+    for (j = 0; j < numResultBlocks; j++) {
+      int32_t iOffset = specialVersion && j > 7 ? i - 1 : i;
+      if (rawCodewordsOffset < rawCodewords->GetSize()) {
+        ((CBC_DataMatrixDataBlock*)(*result)[j])
+            ->GetCodewords()
+            ->
+            operator[](iOffset) = (*rawCodewords)[rawCodewordsOffset++];
+      }
+    }
+  }
+  if (rawCodewordsOffset != rawCodewords->GetSize()) {
+    e = BCExceptionIllegalArgument;
+    return NULL;
+  }
+  return result.release();
+}
+int32_t CBC_DataMatrixDataBlock::GetNumDataCodewords() {
+  return m_numDataCodewords;
+}
+CFX_ByteArray* CBC_DataMatrixDataBlock::GetCodewords() {
+  return &m_codewords;
+}