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101 lines
3.4 KiB
101 lines
3.4 KiB
// Copyright 2014 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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// Original code is licensed as follows: |
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/* |
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* Copyright 2006-2007 Jeremias Maerki. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include "xfa/fxbarcode/BC_Dimension.h" |
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#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" |
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#include "xfa/fxbarcode/datamatrix/BC_C40Encoder.h" |
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#include "xfa/fxbarcode/datamatrix/BC_Encoder.h" |
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#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h" |
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#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h" |
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#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h" |
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#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h" |
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#include "xfa/fxbarcode/datamatrix/BC_X12Encoder.h" |
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CBC_X12Encoder::CBC_X12Encoder() {} |
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CBC_X12Encoder::~CBC_X12Encoder() {} |
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int32_t CBC_X12Encoder::getEncodingMode() { |
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return X12_ENCODATION; |
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} |
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void CBC_X12Encoder::Encode(CBC_EncoderContext& context, int32_t& e) { |
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CFX_WideString buffer; |
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while (context.hasMoreCharacters()) { |
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FX_WCHAR c = context.getCurrentChar(); |
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context.m_pos++; |
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encodeChar(c, buffer, e); |
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if (e != BCExceptionNO) { |
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return; |
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} |
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int32_t count = buffer.GetLength(); |
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if ((count % 3) == 0) { |
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writeNextTriplet(context, buffer); |
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int32_t newMode = CBC_HighLevelEncoder::lookAheadTest( |
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context.m_msg, context.m_pos, getEncodingMode()); |
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if (newMode != getEncodingMode()) { |
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context.signalEncoderChange(newMode); |
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break; |
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} |
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} |
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} |
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handleEOD(context, buffer, e); |
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} |
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void CBC_X12Encoder::handleEOD(CBC_EncoderContext& context, |
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CFX_WideString& buffer, |
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int32_t& e) { |
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context.updateSymbolInfo(e); |
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if (e != BCExceptionNO) { |
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return; |
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} |
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int32_t available = |
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context.m_symbolInfo->m_dataCapacity - context.getCodewordCount(); |
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int32_t count = buffer.GetLength(); |
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if (count == 2) { |
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context.writeCodeword(CBC_HighLevelEncoder::X12_UNLATCH); |
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context.m_pos -= 2; |
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context.signalEncoderChange(ASCII_ENCODATION); |
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} else if (count == 1) { |
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context.m_pos--; |
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if (available > 1) { |
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context.writeCodeword(CBC_HighLevelEncoder::X12_UNLATCH); |
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} |
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context.signalEncoderChange(ASCII_ENCODATION); |
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} |
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} |
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int32_t CBC_X12Encoder::encodeChar(FX_WCHAR c, CFX_WideString& sb, int32_t& e) { |
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if (c == '\r') { |
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sb += (FX_WCHAR)'\0'; |
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} else if (c == '*') { |
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sb += (FX_WCHAR)'\1'; |
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} else if (c == '>') { |
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sb += (FX_WCHAR)'\2'; |
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} else if (c == ' ') { |
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sb += (FX_WCHAR)'\3'; |
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} else if (c >= '0' && c <= '9') { |
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sb += (FX_WCHAR)(c - 48 + 4); |
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} else if (c >= 'A' && c <= 'Z') { |
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sb += (FX_WCHAR)(c - 65 + 14); |
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} else { |
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CBC_HighLevelEncoder::illegalCharacter(c, e); |
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if (e != BCExceptionNO) |
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return -1; |
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} |
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return 1; |
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}
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