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Unified Diff: xfa/src/fxbarcode/datamatrix/BC_C40Encoder.cpp

Issue 1636873004: XFA: Fix DOS newlines (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: All of them Created 4 years, 11 months ago
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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
index b2b003848cc162dc763f0b008ffdc6988c944840..05f33f1191044b9fee568c5d982920bb982ed0ad 100644
--- a/xfa/src/fxbarcode/datamatrix/BC_C40Encoder.cpp
+++ b/xfa/src/fxbarcode/datamatrix/BC_C40Encoder.cpp
@@ -1,198 +1,198 @@
-// 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/barcode.h"
-#include "xfa/src/fxbarcode/BC_Dimension.h"
-#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "BC_Encoder.h"
-#include "BC_SymbolShapeHint.h"
-#include "BC_SymbolInfo.h"
-#include "BC_EncoderContext.h"
-#include "BC_HighLevelEncoder.h"
-#include "BC_C40Encoder.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 >= '\0') && (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;
-}
+// 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/barcode.h"
+#include "xfa/src/fxbarcode/BC_Dimension.h"
+#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "BC_Encoder.h"
+#include "BC_SymbolShapeHint.h"
+#include "BC_SymbolInfo.h"
+#include "BC_EncoderContext.h"
+#include "BC_HighLevelEncoder.h"
+#include "BC_C40Encoder.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 >= '\0') && (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;
+}
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