Index: xfa/src/fxbarcode/datamatrix/BC_C40Encoder.cpp |
diff --git a/xfa/src/fxbarcode/datamatrix/BC_C40Encoder.cpp b/xfa/src/fxbarcode/datamatrix/BC_C40Encoder.cpp |
deleted file mode 100644 |
index 01ececb4b72cc81a01859789c846e1bc3b495045..0000000000000000000000000000000000000000 |
--- a/xfa/src/fxbarcode/datamatrix/BC_C40Encoder.cpp |
+++ /dev/null |
@@ -1,198 +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/src/fxbarcode/BC_Dimension.h" |
-#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" |
-#include "xfa/src/fxbarcode/datamatrix/BC_C40Encoder.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_C40Encoder::CBC_C40Encoder() {} |
-CBC_C40Encoder::~CBC_C40Encoder() {} |
-int32_t CBC_C40Encoder::getEncodingMode() { |
- return C40_ENCODATION; |
-} |
-void CBC_C40Encoder::Encode(CBC_EncoderContext& context, int32_t& e) { |
- CFX_WideString buffer; |
- while (context.hasMoreCharacters()) { |
- FX_WCHAR c = context.getCurrentChar(); |
- context.m_pos++; |
- int32_t lastCharSize = encodeChar(c, buffer, e); |
- if (e != BCExceptionNO) { |
- return; |
- } |
- int32_t unwritten = (buffer.GetLength() / 3) * 2; |
- int32_t curCodewordCount = context.getCodewordCount() + unwritten; |
- context.updateSymbolInfo(curCodewordCount, e); |
- if (e != BCExceptionNO) { |
- return; |
- } |
- int32_t available = context.m_symbolInfo->m_dataCapacity - curCodewordCount; |
- if (!context.hasMoreCharacters()) { |
- CFX_WideString removed; |
- if ((buffer.GetLength() % 3) == 2) { |
- if (available < 2 || available > 2) { |
- lastCharSize = |
- backtrackOneCharacter(context, buffer, removed, lastCharSize, e); |
- if (e != BCExceptionNO) { |
- return; |
- } |
- } |
- } |
- while ((buffer.GetLength() % 3) == 1 && |
- ((lastCharSize <= 3 && available != 1) || lastCharSize > 3)) { |
- lastCharSize = |
- backtrackOneCharacter(context, buffer, removed, lastCharSize, e); |
- if (e != BCExceptionNO) { |
- return; |
- } |
- } |
- break; |
- } |
- int32_t count = buffer.GetLength(); |
- if ((count % 3) == 0) { |
- int32_t newMode = CBC_HighLevelEncoder::lookAheadTest( |
- context.m_msg, context.m_pos, getEncodingMode()); |
- if (newMode != getEncodingMode()) { |
- context.signalEncoderChange(newMode); |
- break; |
- } |
- } |
- } |
- handleEOD(context, buffer, e); |
-} |
-void CBC_C40Encoder::writeNextTriplet(CBC_EncoderContext& context, |
- CFX_WideString& buffer) { |
- context.writeCodewords(encodeToCodewords(buffer, 0)); |
- buffer.Delete(0, 3); |
-} |
-void CBC_C40Encoder::handleEOD(CBC_EncoderContext& context, |
- CFX_WideString& buffer, |
- int32_t& e) { |
- int32_t unwritten = (buffer.GetLength() / 3) * 2; |
- int32_t rest = buffer.GetLength() % 3; |
- int32_t curCodewordCount = context.getCodewordCount() + unwritten; |
- context.updateSymbolInfo(curCodewordCount, e); |
- if (e != BCExceptionNO) { |
- return; |
- } |
- int32_t available = context.m_symbolInfo->m_dataCapacity - curCodewordCount; |
- if (rest == 2) { |
- buffer += (FX_WCHAR)'\0'; |
- while (buffer.GetLength() >= 3) { |
- writeNextTriplet(context, buffer); |
- } |
- if (context.hasMoreCharacters()) { |
- context.writeCodeword(CBC_HighLevelEncoder::C40_UNLATCH); |
- } |
- } else if (available == 1 && rest == 1) { |
- while (buffer.GetLength() >= 3) { |
- writeNextTriplet(context, buffer); |
- } |
- if (context.hasMoreCharacters()) { |
- context.writeCodeword(CBC_HighLevelEncoder::C40_UNLATCH); |
- } |
- context.m_pos--; |
- } else if (rest == 0) { |
- while (buffer.GetLength() >= 3) { |
- writeNextTriplet(context, buffer); |
- } |
- if (available > 0 || context.hasMoreCharacters()) { |
- context.writeCodeword(CBC_HighLevelEncoder::C40_UNLATCH); |
- } |
- } else { |
- e = BCExceptionIllegalStateUnexpectedCase; |
- return; |
- } |
- context.signalEncoderChange(ASCII_ENCODATION); |
-} |
-int32_t CBC_C40Encoder::encodeChar(FX_WCHAR c, CFX_WideString& sb, int32_t& e) { |
- if (c == ' ') { |
- sb += (FX_WCHAR)'\3'; |
- return 1; |
- } else if ((c >= '0') && (c <= '9')) { |
- sb += (FX_WCHAR)(c - 48 + 4); |
- return 1; |
- } else if ((c >= 'A') && (c <= 'Z')) { |
- sb += (FX_WCHAR)(c - 65 + 14); |
- return 1; |
- } else if (c <= 0x1f) { |
- sb += (FX_WCHAR)'\0'; |
- sb += c; |
- return 2; |
- } else if ((c >= '!') && (c <= '/')) { |
- sb += (FX_WCHAR)'\1'; |
- sb += (FX_WCHAR)(c - 33); |
- return 2; |
- } else if ((c >= ':') && (c <= '@')) { |
- sb += (FX_WCHAR)'\1'; |
- sb += (FX_WCHAR)(c - 58 + 15); |
- return 2; |
- } else if ((c >= '[') && (c <= '_')) { |
- sb += (FX_WCHAR)'\1'; |
- sb += (FX_WCHAR)(c - 91 + 22); |
- return 2; |
- } else if ((c >= 60) && (c <= 0x7f)) { |
- sb += (FX_WCHAR)'\2'; |
- sb += (FX_WCHAR)(c - 96); |
- return 2; |
- } else if (c >= 80) { |
- sb += (FX_WCHAR)'\1'; |
- sb += (FX_WCHAR)0x001e; |
- int32_t len = 2; |
- len += encodeChar((c - 128), sb, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
- return len; |
- } else { |
- e = BCExceptionIllegalArgument; |
- return 0; |
- } |
-} |
-int32_t CBC_C40Encoder::backtrackOneCharacter(CBC_EncoderContext& context, |
- CFX_WideString& buffer, |
- CFX_WideString& removed, |
- int32_t lastCharSize, |
- int32_t& e) { |
- int32_t count = buffer.GetLength(); |
- buffer.Delete(count - lastCharSize, count); |
- context.m_pos--; |
- FX_WCHAR c = context.getCurrentChar(); |
- lastCharSize = encodeChar(c, removed, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, -1); |
- context.resetSymbolInfo(); |
- return lastCharSize; |
-} |
-CFX_WideString CBC_C40Encoder::encodeToCodewords(CFX_WideString sb, |
- int32_t startPos) { |
- FX_WCHAR c1 = sb.GetAt(startPos); |
- FX_WCHAR c2 = sb.GetAt(startPos + 1); |
- FX_WCHAR c3 = sb.GetAt(startPos + 2); |
- int32_t v = (1600 * c1) + (40 * c2) + c3 + 1; |
- FX_WCHAR cw1 = (FX_WCHAR)(v / 256); |
- FX_WCHAR cw2 = (FX_WCHAR)(v % 256); |
- CFX_WideString b1(cw1); |
- CFX_WideString b2(cw2); |
- return b1 + b2; |
-} |