diff options
Diffstat (limited to 'xfa/fxbarcode/datamatrix/BC_EdifactEncoder.cpp')
-rw-r--r-- | xfa/fxbarcode/datamatrix/BC_EdifactEncoder.cpp | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/xfa/fxbarcode/datamatrix/BC_EdifactEncoder.cpp b/xfa/fxbarcode/datamatrix/BC_EdifactEncoder.cpp deleted file mode 100644 index 2ffc8413a3..0000000000 --- a/xfa/fxbarcode/datamatrix/BC_EdifactEncoder.cpp +++ /dev/null @@ -1,152 +0,0 @@ -// 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/fxbarcode/BC_Dimension.h" -#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" -#include "xfa/fxbarcode/datamatrix/BC_EdifactEncoder.h" -#include "xfa/fxbarcode/datamatrix/BC_Encoder.h" -#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h" -#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h" -#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h" -#include "xfa/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()) { - wchar_t 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 += (wchar_t)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; - } - bool endOfSymbolReached = !context.hasMoreCharacters(); - 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(wchar_t c, CFX_WideString& sb, int32_t& e) { - if (c >= ' ' && c <= '?') { - sb += c; - } else if (c >= '@' && c <= '^') { - sb += (wchar_t)(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 CFX_WideString(); - } - wchar_t c1 = sb.GetAt(startPos); - wchar_t c2 = len >= 2 ? sb.GetAt(startPos + 1) : 0; - wchar_t c3 = len >= 3 ? sb.GetAt(startPos + 2) : 0; - wchar_t c4 = len >= 4 ? sb.GetAt(startPos + 3) : 0; - int32_t v = (c1 << 18) + (c2 << 12) + (c3 << 6) + c4; - wchar_t cw1 = (wchar_t)((v >> 16) & 255); - wchar_t cw2 = (wchar_t)((v >> 8) & 255); - wchar_t cw3 = (wchar_t)(v & 255); - CFX_WideString res; - res += cw1; - if (len >= 2) { - res += cw2; - } - if (len >= 3) { - res += cw3; - } - return res; -} |