Index: xfa/src/fxbarcode/qrcode/BC_QRDecodedBitStreamParser.cpp |
diff --git a/xfa/src/fxbarcode/qrcode/BC_QRDecodedBitStreamParser.cpp b/xfa/src/fxbarcode/qrcode/BC_QRDecodedBitStreamParser.cpp |
index c9a9222506203862182a5f50c1bf4141973d132a..3aba699bcee17ae750ff62950b270ec822fa358a 100644 |
--- a/xfa/src/fxbarcode/qrcode/BC_QRDecodedBitStreamParser.cpp |
+++ b/xfa/src/fxbarcode/qrcode/BC_QRDecodedBitStreamParser.cpp |
@@ -1,272 +1,272 @@ |
-// 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 2007 ZXing authors |
- * |
- * 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_UtilCodingConvert.h" |
-#include "xfa/src/fxbarcode/common/BC_CommonBitSource.h" |
-#include "xfa/src/fxbarcode/common/BC_CommonECI.h" |
-#include "xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.h" |
-#include "xfa/src/fxbarcode/common/BC_CommonDecoderResult.h" |
-#include "BC_QRCoderMode.h" |
-#include "BC_QRDecodedBitStreamParser.h" |
-const FX_CHAR* CBC_QRDecodedBitStreamParser::UTF_8 = "utf8"; |
-const FX_CHAR CBC_QRDecodedBitStreamParser::ALPHANUMERIC_CHARS[45] = { |
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', |
- 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', |
- 'U', 'V', 'W', 'X', 'Y', 'Z', ' ', '$', '%', '*', '+', '-', '.', '/', ':'}; |
-CBC_QRDecodedBitStreamParser::CBC_QRDecodedBitStreamParser() {} |
-CBC_QRDecodedBitStreamParser::~CBC_QRDecodedBitStreamParser() {} |
-CBC_CommonDecoderResult* CBC_QRDecodedBitStreamParser::Decode( |
- CFX_ByteArray* bytes, |
- CBC_QRCoderVersion* version, |
- CBC_QRCoderErrorCorrectionLevel* ecLevel, |
- int32_t byteModeDecode, |
- int32_t& e) { |
- CBC_CommonBitSource bits(bytes); |
- CFX_ByteString result; |
- CBC_CommonCharacterSetECI* currentCharacterSetECI = NULL; |
- FX_BOOL fc1Infact = FALSE; |
- CFX_Int32Array byteSegments; |
- CBC_QRCoderMode* mode = NULL; |
- do { |
- if (bits.Available() < 4) { |
- mode = CBC_QRCoderMode::sTERMINATOR; |
- } else { |
- int32_t iTemp1 = bits.ReadBits(4, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- mode = CBC_QRCoderMode::ForBits(iTemp1, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- if (mode == NULL) { |
- e = BCExceptionUnSupportMode; |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } |
- } |
- if (!(mode == CBC_QRCoderMode::sTERMINATOR)) { |
- if (mode == CBC_QRCoderMode::sFNC1_FIRST_POSITION || |
- mode == CBC_QRCoderMode::sFNC1_SECOND_POSITION) { |
- fc1Infact = TRUE; |
- } else if (mode == CBC_QRCoderMode::sSTRUCTURED_APPEND) { |
- bits.ReadBits(16, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } else if (mode == CBC_QRCoderMode::sECI) { |
- int32_t value = ParseECIValue(&bits, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- currentCharacterSetECI = |
- CBC_CommonCharacterSetECI::GetCharacterSetECIByValue(value); |
- } else { |
- if (mode == CBC_QRCoderMode::sGBK) { |
- bits.ReadBits(4, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } |
- int32_t numBits = mode->GetCharacterCountBits(version, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- int32_t count = bits.ReadBits(numBits, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- if (mode == CBC_QRCoderMode::sNUMERIC) { |
- DecodeNumericSegment(&bits, result, count, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } else if (mode == CBC_QRCoderMode::sALPHANUMERIC) { |
- DecodeAlphanumericSegment(&bits, result, count, fc1Infact, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } else if (mode == CBC_QRCoderMode::sBYTE) { |
- DecodeByteSegment(&bits, result, count, currentCharacterSetECI, |
- &byteSegments, byteModeDecode, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } else if (mode == CBC_QRCoderMode::sGBK) { |
- DecodeGBKSegment(&bits, result, count, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } else if (mode == CBC_QRCoderMode::sKANJI) { |
- DecodeKanjiSegment(&bits, result, count, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } else { |
- e = BCExceptionUnSupportMode; |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } |
- } |
- } |
- } while (!(mode == CBC_QRCoderMode::sTERMINATOR)); |
- CBC_CommonDecoderResult* tempCd = new CBC_CommonDecoderResult(); |
- tempCd->Init(*bytes, result, byteSegments, ecLevel, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- return tempCd; |
-} |
-void CBC_QRDecodedBitStreamParser::DecodeGBKSegment(CBC_CommonBitSource* bits, |
- CFX_ByteString& result, |
- int32_t count, |
- int32_t& e) { |
- CFX_ByteString buffer; |
- while (count > 0) { |
- int32_t twoBytes = bits->ReadBits(13, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- int32_t assembledTwoBytes = ((twoBytes / 0x060) << 8) | (twoBytes % 0x060); |
- if (assembledTwoBytes <= 0x0095d) { |
- assembledTwoBytes += 0x0a1a1; |
- } else { |
- assembledTwoBytes += 0x0a6a1; |
- } |
- buffer += (uint8_t)(assembledTwoBytes >> 8); |
- buffer += (uint8_t)assembledTwoBytes; |
- count--; |
- } |
- CBC_UtilCodingConvert::LocaleToUtf8(buffer, result); |
-} |
-void CBC_QRDecodedBitStreamParser::DecodeKanjiSegment(CBC_CommonBitSource* bits, |
- CFX_ByteString& result, |
- int32_t count, |
- int32_t& e) { |
- CFX_ByteString buffer; |
- while (count > 0) { |
- int32_t twoBytes = bits->ReadBits(13, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- int32_t assembledTwoBytes = ((twoBytes / 0x0c0) << 8) | (twoBytes % 0x0c0); |
- if (assembledTwoBytes <= 0x01f00) { |
- assembledTwoBytes += 0x08140; |
- } else { |
- assembledTwoBytes += 0x0c140; |
- } |
- buffer += (uint8_t)(assembledTwoBytes >> 8); |
- buffer += (uint8_t)assembledTwoBytes; |
- count--; |
- } |
- CBC_UtilCodingConvert::LocaleToUtf8(buffer, result); |
-} |
-void CBC_QRDecodedBitStreamParser::DecodeByteSegment( |
- CBC_CommonBitSource* bits, |
- CFX_ByteString& result, |
- int32_t count, |
- CBC_CommonCharacterSetECI* currentCharacterSetECI, |
- CFX_Int32Array* byteSegments, |
- int32_t byteModeDecode, |
- int32_t& e) { |
- if (count < 0) { |
- e = BCExceptionNotFound; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- if ((count << 3) > bits->Available()) { |
- e = BCExceptionRead; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- uint8_t* readBytes = FX_Alloc(uint8_t, count); |
- FXSYS_memset(readBytes, 0x00, count); |
- for (int32_t i = 0; i < count; i++) { |
- readBytes[i] = (uint8_t)bits->ReadBits(8, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- CFX_ByteString bs(readBytes, count); |
- result += bs; |
- FX_Free(readBytes); |
-} |
-void CBC_QRDecodedBitStreamParser::DecodeAlphanumericSegment( |
- CBC_CommonBitSource* bits, |
- CFX_ByteString& result, |
- int32_t count, |
- FX_BOOL fac1InEffect, |
- int32_t& e) { |
- int32_t start = result.GetLength(); |
- while (count > 1) { |
- int32_t nextTwoCharsBits = bits->ReadBits(11, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- BC_FX_ByteString_Append(result, 1, |
- ALPHANUMERIC_CHARS[nextTwoCharsBits / 45]); |
- BC_FX_ByteString_Append(result, 1, |
- ALPHANUMERIC_CHARS[nextTwoCharsBits % 45]); |
- count -= 2; |
- } |
- if (count == 1) { |
- int32_t itemp = bits->ReadBits(6, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[itemp]); |
- } |
- if (fac1InEffect) { |
- for (int32_t i = start; i < result.GetLength(); i++) { |
- if (result[i] == '%') { |
- if ((i < result.GetLength() - 1) && result[i + 1] == '%') { |
- result.Delete(i + 1, 1); |
- } else { |
- result.SetAt(i, (FX_CHAR)0x1d); |
- } |
- } |
- } |
- } |
-} |
-void CBC_QRDecodedBitStreamParser::DecodeNumericSegment( |
- CBC_CommonBitSource* bits, |
- CFX_ByteString& result, |
- int32_t count, |
- int32_t& e) { |
- while (count >= 3) { |
- int32_t threeDigitsBits = bits->ReadBits(10, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- if (threeDigitsBits >= 1000) { |
- e = BCExceptionRead; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- BC_FX_ByteString_Append(result, 1, |
- ALPHANUMERIC_CHARS[threeDigitsBits / 100]); |
- BC_FX_ByteString_Append(result, 1, |
- ALPHANUMERIC_CHARS[(threeDigitsBits / 10) % 10]); |
- BC_FX_ByteString_Append(result, 1, |
- ALPHANUMERIC_CHARS[threeDigitsBits % 10]); |
- count -= 3; |
- } |
- if (count == 2) { |
- int32_t twoDigitBits = bits->ReadBits(7, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- if (twoDigitBits >= 100) { |
- e = BCExceptionRead; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[twoDigitBits / 10]); |
- BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[twoDigitBits % 10]); |
- } else if (count == 1) { |
- int32_t digitBits = bits->ReadBits(4, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- if (digitBits >= 10) { |
- e = BCExceptionRead; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[digitBits]); |
- } |
-} |
-const CFX_ByteString CBC_QRDecodedBitStreamParser::GuessEncoding( |
- CFX_ByteArray* bytes) { |
- return *UTF_8; |
-} |
-int32_t CBC_QRDecodedBitStreamParser::ParseECIValue(CBC_CommonBitSource* bits, |
- int32_t& e) { |
- int32_t firstByte = bits->ReadBits(8, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
- if ((firstByte & 0x80) == 0) { |
- return firstByte & 0x7f; |
- } else if ((firstByte & 0xc0) == 0x80) { |
- int32_t secondByte = bits->ReadBits(8, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
- return ((firstByte & 0x3f) << 8) | secondByte; |
- } else if ((firstByte & 0xe0) == 0xc0) { |
- int32_t secondThirdByte = bits->ReadBits(16, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
- return ((firstByte & 0x1f) << 16) | secondThirdByte; |
- } |
- e = BCExceptionBadECI; |
- BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
- return 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 2007 ZXing authors |
+ * |
+ * 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_UtilCodingConvert.h" |
+#include "xfa/src/fxbarcode/common/BC_CommonBitSource.h" |
+#include "xfa/src/fxbarcode/common/BC_CommonECI.h" |
+#include "xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.h" |
+#include "xfa/src/fxbarcode/common/BC_CommonDecoderResult.h" |
+#include "BC_QRCoderMode.h" |
+#include "BC_QRDecodedBitStreamParser.h" |
+const FX_CHAR* CBC_QRDecodedBitStreamParser::UTF_8 = "utf8"; |
+const FX_CHAR CBC_QRDecodedBitStreamParser::ALPHANUMERIC_CHARS[45] = { |
+ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', |
+ 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', |
+ 'U', 'V', 'W', 'X', 'Y', 'Z', ' ', '$', '%', '*', '+', '-', '.', '/', ':'}; |
+CBC_QRDecodedBitStreamParser::CBC_QRDecodedBitStreamParser() {} |
+CBC_QRDecodedBitStreamParser::~CBC_QRDecodedBitStreamParser() {} |
+CBC_CommonDecoderResult* CBC_QRDecodedBitStreamParser::Decode( |
+ CFX_ByteArray* bytes, |
+ CBC_QRCoderVersion* version, |
+ CBC_QRCoderErrorCorrectionLevel* ecLevel, |
+ int32_t byteModeDecode, |
+ int32_t& e) { |
+ CBC_CommonBitSource bits(bytes); |
+ CFX_ByteString result; |
+ CBC_CommonCharacterSetECI* currentCharacterSetECI = NULL; |
+ FX_BOOL fc1Infact = FALSE; |
+ CFX_Int32Array byteSegments; |
+ CBC_QRCoderMode* mode = NULL; |
+ do { |
+ if (bits.Available() < 4) { |
+ mode = CBC_QRCoderMode::sTERMINATOR; |
+ } else { |
+ int32_t iTemp1 = bits.ReadBits(4, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ mode = CBC_QRCoderMode::ForBits(iTemp1, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ if (mode == NULL) { |
+ e = BCExceptionUnSupportMode; |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ } |
+ } |
+ if (!(mode == CBC_QRCoderMode::sTERMINATOR)) { |
+ if (mode == CBC_QRCoderMode::sFNC1_FIRST_POSITION || |
+ mode == CBC_QRCoderMode::sFNC1_SECOND_POSITION) { |
+ fc1Infact = TRUE; |
+ } else if (mode == CBC_QRCoderMode::sSTRUCTURED_APPEND) { |
+ bits.ReadBits(16, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ } else if (mode == CBC_QRCoderMode::sECI) { |
+ int32_t value = ParseECIValue(&bits, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ currentCharacterSetECI = |
+ CBC_CommonCharacterSetECI::GetCharacterSetECIByValue(value); |
+ } else { |
+ if (mode == CBC_QRCoderMode::sGBK) { |
+ bits.ReadBits(4, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ } |
+ int32_t numBits = mode->GetCharacterCountBits(version, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ int32_t count = bits.ReadBits(numBits, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ if (mode == CBC_QRCoderMode::sNUMERIC) { |
+ DecodeNumericSegment(&bits, result, count, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ } else if (mode == CBC_QRCoderMode::sALPHANUMERIC) { |
+ DecodeAlphanumericSegment(&bits, result, count, fc1Infact, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ } else if (mode == CBC_QRCoderMode::sBYTE) { |
+ DecodeByteSegment(&bits, result, count, currentCharacterSetECI, |
+ &byteSegments, byteModeDecode, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ } else if (mode == CBC_QRCoderMode::sGBK) { |
+ DecodeGBKSegment(&bits, result, count, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ } else if (mode == CBC_QRCoderMode::sKANJI) { |
+ DecodeKanjiSegment(&bits, result, count, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ } else { |
+ e = BCExceptionUnSupportMode; |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ } |
+ } |
+ } |
+ } while (!(mode == CBC_QRCoderMode::sTERMINATOR)); |
+ CBC_CommonDecoderResult* tempCd = new CBC_CommonDecoderResult(); |
+ tempCd->Init(*bytes, result, byteSegments, ecLevel, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
+ return tempCd; |
+} |
+void CBC_QRDecodedBitStreamParser::DecodeGBKSegment(CBC_CommonBitSource* bits, |
+ CFX_ByteString& result, |
+ int32_t count, |
+ int32_t& e) { |
+ CFX_ByteString buffer; |
+ while (count > 0) { |
+ int32_t twoBytes = bits->ReadBits(13, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ int32_t assembledTwoBytes = ((twoBytes / 0x060) << 8) | (twoBytes % 0x060); |
+ if (assembledTwoBytes <= 0x0095d) { |
+ assembledTwoBytes += 0x0a1a1; |
+ } else { |
+ assembledTwoBytes += 0x0a6a1; |
+ } |
+ buffer += (uint8_t)(assembledTwoBytes >> 8); |
+ buffer += (uint8_t)assembledTwoBytes; |
+ count--; |
+ } |
+ CBC_UtilCodingConvert::LocaleToUtf8(buffer, result); |
+} |
+void CBC_QRDecodedBitStreamParser::DecodeKanjiSegment(CBC_CommonBitSource* bits, |
+ CFX_ByteString& result, |
+ int32_t count, |
+ int32_t& e) { |
+ CFX_ByteString buffer; |
+ while (count > 0) { |
+ int32_t twoBytes = bits->ReadBits(13, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ int32_t assembledTwoBytes = ((twoBytes / 0x0c0) << 8) | (twoBytes % 0x0c0); |
+ if (assembledTwoBytes <= 0x01f00) { |
+ assembledTwoBytes += 0x08140; |
+ } else { |
+ assembledTwoBytes += 0x0c140; |
+ } |
+ buffer += (uint8_t)(assembledTwoBytes >> 8); |
+ buffer += (uint8_t)assembledTwoBytes; |
+ count--; |
+ } |
+ CBC_UtilCodingConvert::LocaleToUtf8(buffer, result); |
+} |
+void CBC_QRDecodedBitStreamParser::DecodeByteSegment( |
+ CBC_CommonBitSource* bits, |
+ CFX_ByteString& result, |
+ int32_t count, |
+ CBC_CommonCharacterSetECI* currentCharacterSetECI, |
+ CFX_Int32Array* byteSegments, |
+ int32_t byteModeDecode, |
+ int32_t& e) { |
+ if (count < 0) { |
+ e = BCExceptionNotFound; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ if ((count << 3) > bits->Available()) { |
+ e = BCExceptionRead; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ uint8_t* readBytes = FX_Alloc(uint8_t, count); |
+ FXSYS_memset(readBytes, 0x00, count); |
+ for (int32_t i = 0; i < count; i++) { |
+ readBytes[i] = (uint8_t)bits->ReadBits(8, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ CFX_ByteString bs(readBytes, count); |
+ result += bs; |
+ FX_Free(readBytes); |
+} |
+void CBC_QRDecodedBitStreamParser::DecodeAlphanumericSegment( |
+ CBC_CommonBitSource* bits, |
+ CFX_ByteString& result, |
+ int32_t count, |
+ FX_BOOL fac1InEffect, |
+ int32_t& e) { |
+ int32_t start = result.GetLength(); |
+ while (count > 1) { |
+ int32_t nextTwoCharsBits = bits->ReadBits(11, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ BC_FX_ByteString_Append(result, 1, |
+ ALPHANUMERIC_CHARS[nextTwoCharsBits / 45]); |
+ BC_FX_ByteString_Append(result, 1, |
+ ALPHANUMERIC_CHARS[nextTwoCharsBits % 45]); |
+ count -= 2; |
+ } |
+ if (count == 1) { |
+ int32_t itemp = bits->ReadBits(6, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[itemp]); |
+ } |
+ if (fac1InEffect) { |
+ for (int32_t i = start; i < result.GetLength(); i++) { |
+ if (result[i] == '%') { |
+ if ((i < result.GetLength() - 1) && result[i + 1] == '%') { |
+ result.Delete(i + 1, 1); |
+ } else { |
+ result.SetAt(i, (FX_CHAR)0x1d); |
+ } |
+ } |
+ } |
+ } |
+} |
+void CBC_QRDecodedBitStreamParser::DecodeNumericSegment( |
+ CBC_CommonBitSource* bits, |
+ CFX_ByteString& result, |
+ int32_t count, |
+ int32_t& e) { |
+ while (count >= 3) { |
+ int32_t threeDigitsBits = bits->ReadBits(10, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ if (threeDigitsBits >= 1000) { |
+ e = BCExceptionRead; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ BC_FX_ByteString_Append(result, 1, |
+ ALPHANUMERIC_CHARS[threeDigitsBits / 100]); |
+ BC_FX_ByteString_Append(result, 1, |
+ ALPHANUMERIC_CHARS[(threeDigitsBits / 10) % 10]); |
+ BC_FX_ByteString_Append(result, 1, |
+ ALPHANUMERIC_CHARS[threeDigitsBits % 10]); |
+ count -= 3; |
+ } |
+ if (count == 2) { |
+ int32_t twoDigitBits = bits->ReadBits(7, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ if (twoDigitBits >= 100) { |
+ e = BCExceptionRead; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[twoDigitBits / 10]); |
+ BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[twoDigitBits % 10]); |
+ } else if (count == 1) { |
+ int32_t digitBits = bits->ReadBits(4, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ if (digitBits >= 10) { |
+ e = BCExceptionRead; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[digitBits]); |
+ } |
+} |
+const CFX_ByteString CBC_QRDecodedBitStreamParser::GuessEncoding( |
+ CFX_ByteArray* bytes) { |
+ return *UTF_8; |
+} |
+int32_t CBC_QRDecodedBitStreamParser::ParseECIValue(CBC_CommonBitSource* bits, |
+ int32_t& e) { |
+ int32_t firstByte = bits->ReadBits(8, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
+ if ((firstByte & 0x80) == 0) { |
+ return firstByte & 0x7f; |
+ } else if ((firstByte & 0xc0) == 0x80) { |
+ int32_t secondByte = bits->ReadBits(8, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
+ return ((firstByte & 0x3f) << 8) | secondByte; |
+ } else if ((firstByte & 0xe0) == 0xc0) { |
+ int32_t secondThirdByte = bits->ReadBits(16, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
+ return ((firstByte & 0x1f) << 16) | secondThirdByte; |
+ } |
+ e = BCExceptionBadECI; |
+ BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
+ return 0; |
+} |