Move xfa/src up to xfa/.

This CL moves the xfa/src files up to the xfa/ directory and fixes the includes,
include guards, and build files.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1803723002 .

1 files changed, 212 insertions, 0 deletions

diff --git a/xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp b/xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp
new file mode 100644
index 0000000000..27f2191eac
--- /dev/null
+++ b/xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp
@@ -0,0 +1,212 @@
+// 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/oned/BC_OnedCodaBarReader.h"
+
+#include <algorithm>
+#include <memory>
+
+#include "core/include/fxcrt/fx_basic.h"
+#include "xfa/fxbarcode/BC_Reader.h"
+#include "xfa/fxbarcode/common/BC_CommonBitArray.h"
+#include "xfa/fxbarcode/oned/BC_OneDReader.h"
+#include "xfa/fxbarcode/oned/BC_OnedCode39Reader.h"
+#include "xfa/fxbarcode/utils.h"
+
+const FX_CHAR* CBC_OnedCodaBarReader::ALPHABET_STRING =
+    "0123456789-$:/.+ABCDTN";
+const int32_t CBC_OnedCodaBarReader::CHARACTER_ENCODINGS[22] = {
+    0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024,
+    0x030, 0x048, 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015,
+    0x01A, 0x029, 0x00B, 0x00E, 0x01A, 0x029};
+const FX_CHAR CBC_OnedCodaBarReader::STARTEND_ENCODING[8] = {
+    'E', '*', 'A', 'B', 'C', 'D', 'T', 'N'};
+
+CBC_OnedCodaBarReader::CBC_OnedCodaBarReader() {}
+CBC_OnedCodaBarReader::~CBC_OnedCodaBarReader() {}
+CFX_ByteString CBC_OnedCodaBarReader::DecodeRow(int32_t rowNumber,
+                                                CBC_CommonBitArray* row,
+                                                int32_t hints,
+                                                int32_t& e) {
+  std::unique_ptr<CFX_Int32Array> start(FindAsteriskPattern(row, e));
+  BC_EXCEPTION_CHECK_ReturnValue(e, "");
+  (*start)[1] = 0;
+  int32_t nextStart = (*start)[1];
+  int32_t end = row->GetSize();
+  while (nextStart < end && !row->Get(nextStart)) {
+    nextStart++;
+  }
+  CFX_ByteString result;
+  CFX_Int32Array counters;
+  counters.SetSize(7);
+  FX_CHAR decodedChar;
+  int32_t lastStart;
+  do {
+    RecordPattern(row, nextStart, &counters, e);
+    BC_EXCEPTION_CHECK_ReturnValue(e, "");
+    decodedChar = ToNarrowWidePattern(&counters);
+    if (decodedChar == '!') {
+      e = BCExceptionNotFound;
+      return "";
+    }
+    result += decodedChar;
+    lastStart = nextStart;
+    for (int32_t i = 0; i < counters.GetSize(); i++) {
+      nextStart += counters[i];
+    }
+    while (nextStart < end && !row->Get(nextStart)) {
+      nextStart++;
+    }
+  } while (nextStart < end);
+  int32_t lastPatternSize = 0;
+  for (int32_t j = 0; j < counters.GetSize(); j++) {
+    lastPatternSize += counters[j];
+  }
+  int32_t whiteSpaceAfterEnd = nextStart - lastStart - lastPatternSize;
+  if (nextStart != end && (whiteSpaceAfterEnd / 2 < lastPatternSize)) {
+    e = BCExceptionNotFound;
+    return "";
+  }
+  if (result.GetLength() < 2) {
+    e = BCExceptionNotFound;
+    return "";
+  }
+  FX_CHAR startchar = result[0];
+  if (!ArrayContains(STARTEND_ENCODING, startchar)) {
+    e = BCExceptionNotFound;
+    return "";
+  }
+  int32_t len = result.GetLength();
+  CFX_ByteString temp = result;
+  for (int32_t k = 1; k < result.GetLength(); k++) {
+    if (ArrayContains(STARTEND_ENCODING, result[k])) {
+      if ((k + 1) != result.GetLength()) {
+        result.Delete(1, k);
+        k = 1;
+      }
+    }
+  }
+  if (result.GetLength() < 5) {
+    int32_t index = temp.Find(result.Mid(1, result.GetLength() - 1));
+    if (index == len - (result.GetLength() - 1)) {
+      e = BCExceptionNotFound;
+      return "";
+    }
+  }
+  if (result.GetLength() > minCharacterLength) {
+    result = result.Mid(1, result.GetLength() - 2);
+  } else {
+    e = BCExceptionNotFound;
+    return "";
+  }
+  return result;
+}
+CFX_Int32Array* CBC_OnedCodaBarReader::FindAsteriskPattern(
+    CBC_CommonBitArray* row,
+    int32_t& e) {
+  int32_t width = row->GetSize();
+  int32_t rowOffset = 0;
+  while (rowOffset < width) {
+    if (row->Get(rowOffset)) {
+      break;
+    }
+    rowOffset++;
+  }
+  int32_t counterPosition = 0;
+  CFX_Int32Array counters;
+  counters.SetSize(7);
+  int32_t patternStart = rowOffset;
+  FX_BOOL isWhite = FALSE;
+  int32_t patternLength = counters.GetSize();
+  for (int32_t i = rowOffset; i < width; i++) {
+    FX_BOOL pixel = row->Get(i);
+    if (pixel ^ isWhite) {
+      counters[counterPosition]++;
+    } else {
+      if (counterPosition == patternLength - 1) {
+        if (ArrayContains(STARTEND_ENCODING, ToNarrowWidePattern(&counters))) {
+          FX_BOOL btemp3 =
+              row->IsRange(std::max(0, patternStart - (i - patternStart) / 2),
+                           patternStart, FALSE, e);
+          BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+          if (btemp3) {
+            CFX_Int32Array* result = new CFX_Int32Array();
+            result->SetSize(2);
+            (*result)[0] = patternStart;
+            (*result)[1] = i;
+            return result;
+          }
+        }
+        patternStart += counters[0] + counters[1];
+        for (int32_t y = 2; y < patternLength; y++) {
+          counters[y - 2] = counters[y];
+        }
+        counters[patternLength - 2] = 0;
+        counters[patternLength - 1] = 0;
+        counterPosition--;
+      } else {
+        counterPosition++;
+      }
+      counters[counterPosition] = 1;
+      isWhite = !isWhite;
+    }
+  }
+  e = BCExceptionNotFound;
+  return NULL;
+}
+FX_BOOL CBC_OnedCodaBarReader::ArrayContains(const FX_CHAR array[],
+                                             FX_CHAR key) {
+  for (int32_t i = 0; i < 8; i++) {
+    if (array[i] == key) {
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+FX_CHAR CBC_OnedCodaBarReader::ToNarrowWidePattern(CFX_Int32Array* counter) {
+  int32_t numCounters = counter->GetSize();
+  if (numCounters < 1) {
+    return '!';
+  }
+  int32_t averageCounter = 0;
+  int32_t totalCounters = 0;
+  for (int32_t i = 0; i < numCounters; i++) {
+    totalCounters += (*counter)[i];
+  }
+  averageCounter = totalCounters / numCounters;
+  int32_t pattern = 0;
+  int32_t wideCounters = 0;
+  for (int32_t j = 0; j < numCounters; j++) {
+    if ((*counter)[j] > averageCounter) {
+      pattern |= 1 << (numCounters - 1 - j);
+      wideCounters++;
+    }
+  }
+  if ((wideCounters == 2) || (wideCounters == 3)) {
+    for (int32_t k = 0; k < 22; k++) {
+      if (CHARACTER_ENCODINGS[k] == pattern) {
+        return (ALPHABET_STRING)[k];
+      }
+    }
+  }
+  return '!';
+}