Move xfa/src up to xfa/.

xfa/src/fxbarcode/datamatrix/BC_EdifactEncoder.cpp

-// 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/BC_Dimension.h"
-#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/src/fxbarcode/datamatrix/BC_EdifactEncoder.h"
-#include "xfa/src/fxbarcode/datamatrix/BC_Encoder.h"
-#include "xfa/src/fxbarcode/datamatrix/BC_EncoderContext.h"
-#include "xfa/src/fxbarcode/datamatrix/BC_HighLevelEncoder.h"
-#include "xfa/src/fxbarcode/datamatrix/BC_SymbolInfo.h"
-#include "xfa/src/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
-
-CBC_EdifactEncoder::CBC_EdifactEncoder() {}
-CBC_EdifactEncoder::~CBC_EdifactEncoder() {}
-int32_t CBC_EdifactEncoder::getEncodingMode() {
-  return EDIFACT_ENCODATION;
-}
-void CBC_EdifactEncoder::Encode(CBC_EncoderContext& context, int32_t& e) {
-  CFX_WideString buffer;
-  while (context.hasMoreCharacters()) {
-    FX_WCHAR c = context.getCurrentChar();
-    encodeChar(c, buffer, e);
-    if (e != BCExceptionNO) {
-      return;
-    }
-    context.m_pos++;
-    int32_t count = buffer.GetLength();
-    if (count >= 4) {
-      context.writeCodewords(encodeToCodewords(buffer, 0, e));
-      if (e != BCExceptionNO) {
-        return;
-      }
-      buffer.Delete(0, 4);
-      int32_t newMode = CBC_HighLevelEncoder::lookAheadTest(
-          context.m_msg, context.m_pos, getEncodingMode());
-      if (newMode != getEncodingMode()) {
-        context.signalEncoderChange(ASCII_ENCODATION);
-        break;
-      }
-    }
-  }
-  buffer += (FX_WCHAR)31;
-  handleEOD(context, buffer, e);
-}
-void CBC_EdifactEncoder::handleEOD(CBC_EncoderContext& context,
-                                   CFX_WideString buffer,
-                                   int32_t& e) {
-  int32_t count = buffer.GetLength();
-  if (count == 0) {
-    return;
-  }
-  if (count == 1) {
-    context.updateSymbolInfo(e);
-    if (e != BCExceptionNO) {
-      return;
-    }
-    int32_t available =
-        context.m_symbolInfo->m_dataCapacity - context.getCodewordCount();
-    int32_t remaining = context.getRemainingCharacters();
-    if (remaining == 0 && available <= 2) {
-      return;
-    }
-  }
-  if (count > 4) {
-    e = BCExceptionIllegalStateCountMustNotExceed4;
-    return;
-  }
-  int32_t restChars = count - 1;
-  CFX_WideString encoded = encodeToCodewords(buffer, 0, e);
-  if (e != BCExceptionNO) {
-    return;
-  }
-  FX_BOOL endOfSymbolReached = !context.hasMoreCharacters();
-  FX_BOOL restInAscii = endOfSymbolReached && restChars <= 2;
-  if (restChars <= 2) {
-    context.updateSymbolInfo(context.getCodewordCount() + restChars, e);
-    if (e != BCExceptionNO) {
-      return;
-    }
-    int32_t available =
-        context.m_symbolInfo->m_dataCapacity - context.getCodewordCount();
-    if (available >= 3) {
-      restInAscii = FALSE;
-      context.updateSymbolInfo(context.getCodewordCount() + encoded.GetLength(),
-                               e);
-      if (e != BCExceptionNO) {
-        return;
-      }
-    }
-  }
-  if (restInAscii) {
-    context.resetSymbolInfo();
-    context.m_pos -= restChars;
-  } else {
-    context.writeCodewords(encoded);
-  }
-  context.signalEncoderChange(ASCII_ENCODATION);
-}
-void CBC_EdifactEncoder::encodeChar(FX_WCHAR c,
-                                    CFX_WideString& sb,
-                                    int32_t& e) {
-  if (c >= ' ' && c <= '?') {
-    sb += c;
-  } else if (c >= '@' && c <= '^') {
-    sb += (FX_WCHAR)(c - 64);
-  } else {
-    CBC_HighLevelEncoder::illegalCharacter(c, e);
-  }
-}
-CFX_WideString CBC_EdifactEncoder::encodeToCodewords(CFX_WideString sb,
-                                                     int32_t startPos,
-                                                     int32_t& e) {
-  int32_t len = sb.GetLength() - startPos;
-  if (len == 0) {
-    e = BCExceptionNoContents;
-    return (FX_WCHAR*)"";
-  }
-  FX_WCHAR c1 = sb.GetAt(startPos);
-  FX_WCHAR c2 = len >= 2 ? sb.GetAt(startPos + 1) : 0;
-  FX_WCHAR c3 = len >= 3 ? sb.GetAt(startPos + 2) : 0;
-  FX_WCHAR c4 = len >= 4 ? sb.GetAt(startPos + 3) : 0;
-  int32_t v = (c1 << 18) + (c2 << 12) + (c3 << 6) + c4;
-  FX_WCHAR cw1 = (FX_WCHAR)((v >> 16) & 255);
-  FX_WCHAR cw2 = (FX_WCHAR)((v >> 8) & 255);
-  FX_WCHAR cw3 = (FX_WCHAR)(v & 255);
-  CFX_WideString res;
-  res += cw1;
-  if (len >= 2) {
-    res += cw2;
-  }
-  if (len >= 3) {
-    res += cw3;
-  }
-  return res;
-}