1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef _BC_QRDECODEDBITSTREAMPARSER_H_ 8 #define _BC_QRDECODEDBITSTREAMPARSER_H_ 9 class CBC_CommonDecoderResult; 10 class CBC_QRCoderErrorCorrectionLevel; 11 class CBC_CommonBitSource; 12 class CBC_QRCoderVersion; 13 class CBC_CommonCharacterSetECI; 14 class CBC_QRDecodedBitStreamParser { 15 private: 16 const static FX_CHAR ALPHANUMERIC_CHARS[45]; 17 static const FX_CHAR* UTF_8; 18 CBC_QRDecodedBitStreamParser(); 19 20 public: 21 virtual ~CBC_QRDecodedBitStreamParser(); 22 static CBC_CommonDecoderResult* Decode( 23 CFX_ByteArray* bytes, 24 CBC_QRCoderVersion* version, 25 CBC_QRCoderErrorCorrectionLevel* ecLevel, 26 int32_t byteModeDecode, 27 int32_t& e); 28 29 static const CFX_ByteString GuessEncoding(CFX_ByteArray* bytes); 30 static int32_t ParseECIValue(CBC_CommonBitSource* bits, int32_t& e); 31 static void DecodeGBKSegment(CBC_CommonBitSource* bits, 32 CFX_ByteString& result, 33 int32_t count, 34 int32_t& e); 35 static void DecodeKanjiSegment(CBC_CommonBitSource* bits, 36 CFX_ByteString& result, 37 int32_t count, 38 int32_t& e); 39 static void DecodeNumericSegment(CBC_CommonBitSource* bits, 40 CFX_ByteString& result, 41 int32_t count, 42 int32_t& e); 43 static void DecodeAlphanumericSegment(CBC_CommonBitSource* bits, 44 CFX_ByteString& result, 45 int32_t count, 46 FX_BOOL fac1InEffect, 47 int32_t& e); 48 static void DecodeByteSegment( 49 CBC_CommonBitSource* bits, 50 CFX_ByteString& result, 51 int32_t count, 52 CBC_CommonCharacterSetECI* currentCharacterSetECI, 53 CFX_Int32Array* byteSegments, 54 int32_t byteModeDecode, 55 int32_t& e); 56 }; 57 #endif 58
