1 files changed, 97 insertions, 0 deletions
diff --git a/fxbarcode/datamatrix/BC_ASCIIEncoder.cpp b/fxbarcode/datamatrix/BC_ASCIIEncoder.cpp
new file mode 100644
index 0000000000..2d7b9d7995
--- /dev/null
+++ b/fxbarcode/datamatrix/BC_ASCIIEncoder.cpp
@@ -0,0 +1,97 @@
+// 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 "fxbarcode/BC_Dimension.h"
+#include "fxbarcode/datamatrix/BC_ASCIIEncoder.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"
+
+CBC_ASCIIEncoder::CBC_ASCIIEncoder() {}
+CBC_ASCIIEncoder::~CBC_ASCIIEncoder() {}
+int32_t CBC_ASCIIEncoder::getEncodingMode() {
+  return ASCII_ENCODATION;
+}
+void CBC_ASCIIEncoder::Encode(CBC_EncoderContext& context, int32_t& e) {
+  int32_t n = CBC_HighLevelEncoder::determineConsecutiveDigitCount(
+      context.m_msg, context.m_pos);
+  if (n >= 2) {
+    wchar_t code = encodeASCIIDigits(context.m_msg.GetAt(context.m_pos),
+                                     context.m_msg.GetAt(context.m_pos + 1), e);
+    if (e != BCExceptionNO) {
+      return;
+    }
+    context.writeCodeword(code);
+    context.m_pos += 2;
+  } else {
+    wchar_t c = context.getCurrentChar();
+    int32_t newMode = CBC_HighLevelEncoder::lookAheadTest(
+        context.m_msg, context.m_pos, getEncodingMode());
+    if (newMode != getEncodingMode()) {
+      switch (newMode) {
+        case BASE256_ENCODATION:
+          context.writeCodeword(CBC_HighLevelEncoder::LATCH_TO_BASE256);
+          context.signalEncoderChange(BASE256_ENCODATION);
+          return;
+        case C40_ENCODATION:
+          context.writeCodeword(CBC_HighLevelEncoder::LATCH_TO_C40);
+          context.signalEncoderChange(C40_ENCODATION);
+          return;
+        case X12_ENCODATION:
+          context.writeCodeword(CBC_HighLevelEncoder::LATCH_TO_ANSIX12);
+          context.signalEncoderChange(X12_ENCODATION);
+          break;
+        case TEXT_ENCODATION:
+          context.writeCodeword(CBC_HighLevelEncoder::LATCH_TO_TEXT);
+          context.signalEncoderChange(TEXT_ENCODATION);
+          break;
+        case EDIFACT_ENCODATION:
+          context.writeCodeword(CBC_HighLevelEncoder::LATCH_TO_EDIFACT);
+          context.signalEncoderChange(EDIFACT_ENCODATION);
+          break;
+        default:
+          e = BCExceptionIllegalStateIllegalMode;
+          return;
+      }
+    } else if (CBC_HighLevelEncoder::isExtendedASCII(c)) {
+      context.writeCodeword(CBC_HighLevelEncoder::UPPER_SHIFT);
+      context.writeCodeword((wchar_t)(c - 128 + 1));
+      context.m_pos++;
+    } else {
+      context.writeCodeword((wchar_t)(c + 1));
+      context.m_pos++;
+    }
+  }
+}
+wchar_t CBC_ASCIIEncoder::encodeASCIIDigits(wchar_t digit1,
+                                            wchar_t digit2,
+                                            int32_t& e) {
+  if (CBC_HighLevelEncoder::isDigit(digit1) &&
+      CBC_HighLevelEncoder::isDigit(digit2)) {
+    int32_t num = (digit1 - 48) * 10 + (digit2 - 48);
+    return (wchar_t)(num + 130);
+  }
+  e = BCExceptionIllegalArgumentNotGigits;
+  return 0;
+}