1 files changed, 111 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/datamatrix/BC_EncoderContext.cpp b/xfa/src/fxbarcode/datamatrix/BC_EncoderContext.cpp
new file mode 100644
index 0000000000..237f902c92
--- /dev/null
+++ b/xfa/src/fxbarcode/datamatrix/BC_EncoderContext.cpp
@@ -0,0 +1,111 @@
+// 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 "xfa/src/fxbarcode/barcode.h"
+#include "xfa/src/fxbarcode/BC_Dimension.h"
+#include "xfa/src/fxbarcode/BC_UtilCodingConvert.h"
+#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "BC_Encoder.h"
+#include "BC_SymbolShapeHint.h"
+#include "BC_SymbolInfo.h"
+#include "BC_EncoderContext.h"
+CBC_EncoderContext::CBC_EncoderContext(const CFX_WideString msg,
+                                       CFX_WideString ecLevel,
+                                       int32_t& e) {
+  CFX_ByteString dststr;
+  CBC_UtilCodingConvert::UnicodeToUTF8(msg, dststr);
+  CFX_WideString sb;
+  int32_t c = dststr.GetLength();
+  for (int32_t i = 0; i < c; i++) {
+    FX_WCHAR ch = (FX_WCHAR)(dststr.GetAt(i) & 0xff);
+    if (ch == '?' && dststr.GetAt(i) != '?') {
+      e = BCExceptionCharactersOutsideISO88591Encoding;
+    }
+    sb += ch;
+  }
+  m_msg = sb;
+  m_shape = FORCE_NONE;
+  m_newEncoding = -1;
+  m_pos = 0;
+  m_symbolInfo = NULL;
+  m_skipAtEnd = 0;
+  m_maxSize = NULL;
+  m_minSize = NULL;
+}
+CBC_EncoderContext::~CBC_EncoderContext() {}
+void CBC_EncoderContext::setSymbolShape(SymbolShapeHint shape) {
+  m_shape = shape;
+}
+void CBC_EncoderContext::setSizeConstraints(CBC_Dimension* minSize,
+                                            CBC_Dimension* maxSize) {
+  m_maxSize = maxSize;
+  m_minSize = minSize;
+}
+CFX_WideString CBC_EncoderContext::getMessage() {
+  return m_msg;
+}
+void CBC_EncoderContext::setSkipAtEnd(int32_t count) {
+  m_skipAtEnd = count;
+}
+FX_WCHAR CBC_EncoderContext::getCurrentChar() {
+  return m_msg.GetAt(m_pos);
+}
+FX_WCHAR CBC_EncoderContext::getCurrent() {
+  return m_msg.GetAt(m_pos);
+}
+void CBC_EncoderContext::writeCodewords(CFX_WideString codewords) {
+  m_codewords += codewords;
+}
+void CBC_EncoderContext::writeCodeword(FX_WCHAR codeword) {
+  m_codewords += codeword;
+}
+int32_t CBC_EncoderContext::getCodewordCount() {
+  return m_codewords.GetLength();
+}
+void CBC_EncoderContext::signalEncoderChange(int32_t encoding) {
+  m_newEncoding = encoding;
+}
+void CBC_EncoderContext::resetEncoderSignal() {
+  m_newEncoding = -1;
+}
+FX_BOOL CBC_EncoderContext::hasMoreCharacters() {
+  return m_pos < getTotalMessageCharCount();
+}
+int32_t CBC_EncoderContext::getRemainingCharacters() {
+  return getTotalMessageCharCount() - m_pos;
+}
+void CBC_EncoderContext::updateSymbolInfo(int32_t& e) {
+  updateSymbolInfo(getCodewordCount(), e);
+}
+void CBC_EncoderContext::updateSymbolInfo(int32_t len, int32_t& e) {
+  if (m_symbolInfo == NULL || len > m_symbolInfo->m_dataCapacity) {
+    m_symbolInfo =
+        CBC_SymbolInfo::lookup(len, m_shape, m_minSize, m_maxSize, true, e);
+    BC_EXCEPTION_CHECK_ReturnVoid(e);
+  }
+}
+void CBC_EncoderContext::resetSymbolInfo() {
+  m_shape = FORCE_NONE;
+}
+int32_t CBC_EncoderContext::getTotalMessageCharCount() {
+  return m_msg.GetLength() - m_skipAtEnd;
+}