Move xfa/fxbarcode fxbarcode/

Nothing in fxbarcode/ depends on XFA code. This CL moves xfa/fxbarcode
to be fxbarcode/ and creates a static_library for fxbarcode which is
depend on by the xfa library.

Change-Id: I0b708737b07efb94b769a5238d92af92bc62880d
Reviewed-on: https://pdfium-review.googlesource.com/3291
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 360 insertions, 0 deletions

diff --git a/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp b/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp
new file mode 100644
index 0000000000..e2d483cbdf
--- /dev/null
+++ b/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp
@@ -0,0 +1,360 @@
+// 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 2006-2007 Jeremias Maerki.
+ *
+ * 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 <limits>
+#include <memory>
+#include <vector>
+
+#include "fxbarcode/BC_Dimension.h"
+#include "fxbarcode/BC_UtilCodingConvert.h"
+#include "fxbarcode/common/BC_CommonBitMatrix.h"
+#include "fxbarcode/datamatrix/BC_ASCIIEncoder.h"
+#include "fxbarcode/datamatrix/BC_Base256Encoder.h"
+#include "fxbarcode/datamatrix/BC_C40Encoder.h"
+#include "fxbarcode/datamatrix/BC_EdifactEncoder.h"
+#include "fxbarcode/datamatrix/BC_Encoder.h"
+#include "fxbarcode/datamatrix/BC_EncoderContext.h"
+#include "fxbarcode/datamatrix/BC_HighLevelEncoder.h"
+#include "fxbarcode/datamatrix/BC_SymbolInfo.h"
+#include "fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+#include "fxbarcode/datamatrix/BC_TextEncoder.h"
+#include "fxbarcode/datamatrix/BC_X12Encoder.h"
+#include "fxbarcode/utils.h"
+
+wchar_t CBC_HighLevelEncoder::LATCH_TO_C40 = 230;
+wchar_t CBC_HighLevelEncoder::LATCH_TO_BASE256 = 231;
+wchar_t CBC_HighLevelEncoder::UPPER_SHIFT = 235;
+wchar_t CBC_HighLevelEncoder::LATCH_TO_ANSIX12 = 238;
+wchar_t CBC_HighLevelEncoder::LATCH_TO_TEXT = 239;
+wchar_t CBC_HighLevelEncoder::LATCH_TO_EDIFACT = 240;
+wchar_t CBC_HighLevelEncoder::C40_UNLATCH = 254;
+wchar_t CBC_HighLevelEncoder::X12_UNLATCH = 254;
+wchar_t CBC_HighLevelEncoder::PAD = 129;
+wchar_t CBC_HighLevelEncoder::MACRO_05 = 236;
+wchar_t CBC_HighLevelEncoder::MACRO_06 = 237;
+const wchar_t* CBC_HighLevelEncoder::MACRO_05_HEADER = L"[)>05";
+const wchar_t* CBC_HighLevelEncoder::MACRO_06_HEADER = L"[)>06";
+const wchar_t CBC_HighLevelEncoder::MACRO_TRAILER = 0x0004;
+
+CBC_HighLevelEncoder::CBC_HighLevelEncoder() {}
+CBC_HighLevelEncoder::~CBC_HighLevelEncoder() {}
+
+std::vector<uint8_t>& CBC_HighLevelEncoder::getBytesForMessage(
+    CFX_WideString msg) {
+  CFX_ByteString bytestr;
+  CBC_UtilCodingConvert::UnicodeToUTF8(msg, bytestr);
+  for (int32_t i = 0; i < bytestr.GetLength(); i++)
+    m_bytearray.push_back(bytestr.GetAt(i));
+  return m_bytearray;
+}
+CFX_WideString CBC_HighLevelEncoder::encodeHighLevel(CFX_WideString msg,
+                                                     CFX_WideString ecLevel,
+                                                     int32_t& e) {
+  return encodeHighLevel(msg, ecLevel, FORCE_NONE, nullptr, nullptr, e);
+}
+CFX_WideString CBC_HighLevelEncoder::encodeHighLevel(CFX_WideString msg,
+                                                     CFX_WideString ecLevel,
+                                                     SymbolShapeHint shape,
+                                                     CBC_Dimension* minSize,
+                                                     CBC_Dimension* maxSize,
+                                                     int32_t& e) {
+  CBC_EncoderContext context(msg, ecLevel, e);
+  if (e != BCExceptionNO)
+    return CFX_WideString();
+  context.setSymbolShape(shape);
+  context.setSizeConstraints(minSize, maxSize);
+  if ((msg.Mid(0, 6) == MACRO_05_HEADER) &&
+      (msg.Mid(msg.GetLength() - 1, 1) == MACRO_TRAILER)) {
+    context.writeCodeword(MACRO_05);
+    context.setSkipAtEnd(2);
+    context.m_pos += 6;
+  } else if ((msg.Mid(0, 6) == MACRO_06_HEADER) &&
+             (msg.Mid(msg.GetLength() - 1, 1) == MACRO_TRAILER)) {
+    context.writeCodeword(MACRO_06);
+    context.setSkipAtEnd(2);
+    context.m_pos += 6;
+  }
+
+  std::vector<std::unique_ptr<CBC_Encoder>> encoders;
+  encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_ASCIIEncoder()));
+  encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_C40Encoder()));
+  encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_TextEncoder()));
+  encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_X12Encoder()));
+  encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_EdifactEncoder()));
+  encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_Base256Encoder()));
+  int32_t encodingMode = ASCII_ENCODATION;
+  while (context.hasMoreCharacters()) {
+    encoders[encodingMode]->Encode(context, e);
+    if (e != BCExceptionNO)
+      return L"";
+
+    if (context.m_newEncoding >= 0) {
+      encodingMode = context.m_newEncoding;
+      context.resetEncoderSignal();
+    }
+  }
+  int32_t len = context.m_codewords.GetLength();
+  context.updateSymbolInfo(e);
+  if (e != BCExceptionNO)
+    return L"";
+
+  int32_t capacity = context.m_symbolInfo->m_dataCapacity;
+  if (len < capacity) {
+    if (encodingMode != ASCII_ENCODATION &&
+        encodingMode != BASE256_ENCODATION) {
+      context.writeCodeword(0x00fe);
+    }
+  }
+  CFX_WideString codewords = context.m_codewords;
+  if (codewords.GetLength() < capacity) {
+    codewords += PAD;
+  }
+  while (codewords.GetLength() < capacity) {
+    codewords += (randomize253State(PAD, codewords.GetLength() + 1));
+  }
+  return codewords;
+}
+int32_t CBC_HighLevelEncoder::lookAheadTest(CFX_WideString msg,
+                                            int32_t startpos,
+                                            int32_t currentMode) {
+  if (startpos >= msg.GetLength()) {
+    return currentMode;
+  }
+  std::vector<float> charCounts;
+  if (currentMode == ASCII_ENCODATION) {
+    charCounts.push_back(0);
+    charCounts.push_back(1);
+    charCounts.push_back(1);
+    charCounts.push_back(1);
+    charCounts.push_back(1);
+    charCounts.push_back(1.25f);
+  } else {
+    charCounts.push_back(1);
+    charCounts.push_back(2);
+    charCounts.push_back(2);
+    charCounts.push_back(2);
+    charCounts.push_back(2);
+    charCounts.push_back(2.25f);
+    charCounts[currentMode] = 0;
+  }
+  int32_t charsProcessed = 0;
+  while (true) {
+    if ((startpos + charsProcessed) == msg.GetLength()) {
+      int32_t min = std::numeric_limits<int32_t>::max();
+      std::vector<uint8_t> mins(6);
+      std::vector<int32_t> intCharCounts(6);
+      min = findMinimums(charCounts, intCharCounts, min, mins);
+      int32_t minCount = getMinimumCount(mins);
+      if (intCharCounts[ASCII_ENCODATION] == min) {
+        return ASCII_ENCODATION;
+      }
+      if (minCount == 1 && mins[BASE256_ENCODATION] > 0) {
+        return BASE256_ENCODATION;
+      }
+      if (minCount == 1 && mins[EDIFACT_ENCODATION] > 0) {
+        return EDIFACT_ENCODATION;
+      }
+      if (minCount == 1 && mins[TEXT_ENCODATION] > 0) {
+        return TEXT_ENCODATION;
+      }
+      if (minCount == 1 && mins[X12_ENCODATION] > 0) {
+        return X12_ENCODATION;
+      }
+      return C40_ENCODATION;
+    }
+    wchar_t c = msg.GetAt(startpos + charsProcessed);
+    charsProcessed++;
+    if (isDigit(c)) {
+      charCounts[ASCII_ENCODATION] += 0.5;
+    } else if (isExtendedASCII(c)) {
+      charCounts[ASCII_ENCODATION] = (float)ceil(charCounts[ASCII_ENCODATION]);
+      charCounts[ASCII_ENCODATION] += 2;
+    } else {
+      charCounts[ASCII_ENCODATION] = (float)ceil(charCounts[ASCII_ENCODATION]);
+      charCounts[ASCII_ENCODATION]++;
+    }
+    if (isNativeC40(c)) {
+      charCounts[C40_ENCODATION] += 2.0f / 3.0f;
+    } else if (isExtendedASCII(c)) {
+      charCounts[C40_ENCODATION] += 8.0f / 3.0f;
+    } else {
+      charCounts[C40_ENCODATION] += 4.0f / 3.0f;
+    }
+    if (isNativeText(c)) {
+      charCounts[TEXT_ENCODATION] += 2.0f / 3.0f;
+    } else if (isExtendedASCII(c)) {
+      charCounts[TEXT_ENCODATION] += 8.0f / 3.0f;
+    } else {
+      charCounts[TEXT_ENCODATION] += 4.0f / 3.0f;
+    }
+    if (isNativeX12(c)) {
+      charCounts[X12_ENCODATION] += 2.0f / 3.0f;
+    } else if (isExtendedASCII(c)) {
+      charCounts[X12_ENCODATION] += 13.0f / 3.0f;
+    } else {
+      charCounts[X12_ENCODATION] += 10.0f / 3.0f;
+    }
+    if (isNativeEDIFACT(c)) {
+      charCounts[EDIFACT_ENCODATION] += 3.0f / 4.0f;
+    } else if (isExtendedASCII(c)) {
+      charCounts[EDIFACT_ENCODATION] += 17.0f / 4.0f;
+    } else {
+      charCounts[EDIFACT_ENCODATION] += 13.0f / 4.0f;
+    }
+    if (isSpecialB256(c)) {
+      charCounts[BASE256_ENCODATION] += 4;
+    } else {
+      charCounts[BASE256_ENCODATION]++;
+    }
+    if (charsProcessed >= 4) {
+      std::vector<int32_t> intCharCounts(6);
+      std::vector<uint8_t> mins(6);
+      findMinimums(charCounts, intCharCounts,
+                   std::numeric_limits<int32_t>::max(), mins);
+      int32_t minCount = getMinimumCount(mins);
+      if (intCharCounts[ASCII_ENCODATION] < intCharCounts[BASE256_ENCODATION] &&
+          intCharCounts[ASCII_ENCODATION] < intCharCounts[C40_ENCODATION] &&
+          intCharCounts[ASCII_ENCODATION] < intCharCounts[TEXT_ENCODATION] &&
+          intCharCounts[ASCII_ENCODATION] < intCharCounts[X12_ENCODATION] &&
+          intCharCounts[ASCII_ENCODATION] < intCharCounts[EDIFACT_ENCODATION]) {
+        return ASCII_ENCODATION;
+      }
+      if (intCharCounts[BASE256_ENCODATION] < intCharCounts[ASCII_ENCODATION] ||
+          (mins[C40_ENCODATION] + mins[TEXT_ENCODATION] + mins[X12_ENCODATION] +
+           mins[EDIFACT_ENCODATION]) == 0) {
+        return BASE256_ENCODATION;
+      }
+      if (minCount == 1 && mins[EDIFACT_ENCODATION] > 0) {
+        return EDIFACT_ENCODATION;
+      }
+      if (minCount == 1 && mins[TEXT_ENCODATION] > 0) {
+        return TEXT_ENCODATION;
+      }
+      if (minCount == 1 && mins[X12_ENCODATION] > 0) {
+        return X12_ENCODATION;
+      }
+      if (intCharCounts[C40_ENCODATION] + 1 < intCharCounts[ASCII_ENCODATION] &&
+          intCharCounts[C40_ENCODATION] + 1 <
+              intCharCounts[BASE256_ENCODATION] &&
+          intCharCounts[C40_ENCODATION] + 1 <
+              intCharCounts[EDIFACT_ENCODATION] &&
+          intCharCounts[C40_ENCODATION] + 1 < intCharCounts[TEXT_ENCODATION]) {
+        if (intCharCounts[C40_ENCODATION] < intCharCounts[X12_ENCODATION]) {
+          return C40_ENCODATION;
+        }
+        if (intCharCounts[C40_ENCODATION] == intCharCounts[X12_ENCODATION]) {
+          int32_t p = startpos + charsProcessed + 1;
+          while (p < msg.GetLength()) {
+            wchar_t tc = msg.GetAt(p);
+            if (isX12TermSep(tc)) {
+              return X12_ENCODATION;
+            }
+            if (!isNativeX12(tc)) {
+              break;
+            }
+            p++;
+          }
+          return C40_ENCODATION;
+        }
+      }
+    }
+  }
+}
+bool CBC_HighLevelEncoder::isDigit(wchar_t ch) {
+  return ch >= '0' && ch <= '9';
+}
+bool CBC_HighLevelEncoder::isExtendedASCII(wchar_t ch) {
+  return ch >= 128 && ch <= 255;
+}
+int32_t CBC_HighLevelEncoder::determineConsecutiveDigitCount(CFX_WideString msg,
+                                                             int32_t startpos) {
+  int32_t count = 0;
+  int32_t len = msg.GetLength();
+  int32_t idx = startpos;
+  if (idx < len) {
+    wchar_t ch = msg.GetAt(idx);
+    while (isDigit(ch) && idx < len) {
+      count++;
+      idx++;
+      if (idx < len) {
+        ch = msg.GetAt(idx);
+      }
+    }
+  }
+  return count;
+}
+void CBC_HighLevelEncoder::illegalCharacter(wchar_t c, int32_t& e) {
+  e = BCExceptionIllegalArgument;
+}
+wchar_t CBC_HighLevelEncoder::randomize253State(wchar_t ch,
+                                                int32_t codewordPosition) {
+  int32_t pseudoRandom = ((149 * codewordPosition) % 253) + 1;
+  int32_t tempVariable = ch + pseudoRandom;
+  return tempVariable <= 254 ? (wchar_t)tempVariable
+                             : (wchar_t)(tempVariable - 254);
+}
+int32_t CBC_HighLevelEncoder::findMinimums(std::vector<float>& charCounts,
+                                           std::vector<int32_t>& intCharCounts,
+                                           int32_t min,
+                                           std::vector<uint8_t>& mins) {
+  for (size_t l = 0; l < mins.size(); l++)
+    mins[l] = 0;
+
+  for (size_t i = 0; i < 6; i++) {
+    intCharCounts[i] = static_cast<int32_t>(ceil(charCounts[i]));
+    int32_t current = intCharCounts[i];
+    if (min > current) {
+      min = current;
+      for (size_t j = 0; j < mins.size(); j++)
+        mins[j] = 0;
+    }
+    if (min == current)
+      mins[i]++;
+  }
+  return min;
+}
+int32_t CBC_HighLevelEncoder::getMinimumCount(std::vector<uint8_t>& mins) {
+  int32_t minCount = 0;
+  for (int32_t i = 0; i < 6; i++) {
+    minCount += mins[i];
+  }
+  return minCount;
+}
+bool CBC_HighLevelEncoder::isNativeC40(wchar_t ch) {
+  return (ch == ' ') || (ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'Z');
+}
+bool CBC_HighLevelEncoder::isNativeText(wchar_t ch) {
+  return (ch == ' ') || (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z');
+}
+bool CBC_HighLevelEncoder::isNativeX12(wchar_t ch) {
+  return isX12TermSep(ch) || (ch == ' ') || (ch >= '0' && ch <= '9') ||
+         (ch >= 'A' && ch <= 'Z');
+}
+bool CBC_HighLevelEncoder::isX12TermSep(wchar_t ch) {
+  return (ch == '\r') || (ch == '*') || (ch == '>');
+}
+bool CBC_HighLevelEncoder::isNativeEDIFACT(wchar_t ch) {
+  return ch >= ' ' && ch <= '^';
+}
+bool CBC_HighLevelEncoder::isSpecialB256(wchar_t ch) {
+  return false;
+}