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Unified Diff: xfa/src/fxbarcode/src/BC_QRDecodedBitStreamParser.cpp

Issue 842043002: Organize barcode codes into modules. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: rebase Created 5 years, 11 months ago
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Index: xfa/src/fxbarcode/src/BC_QRDecodedBitStreamParser.cpp
diff --git a/xfa/src/fxbarcode/src/BC_QRDecodedBitStreamParser.cpp b/xfa/src/fxbarcode/src/BC_QRDecodedBitStreamParser.cpp
deleted file mode 100644
index d51536d09e034de6f517afa2ec143049fb4ff3e1..0000000000000000000000000000000000000000
--- a/xfa/src/fxbarcode/src/BC_QRDecodedBitStreamParser.cpp
+++ /dev/null
@@ -1,254 +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 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 "barcode.h"
-#include "include/BC_QRCoderMode.h"
-#include "include/BC_CommonBitSource.h"
-#include "include/BC_CommonECI.h"
-#include "include/BC_QRDecodedBitStreamParser.h"
-#include "include/BC_CommonCharacterSetECI.h"
-#include "include/BC_CommonDecoderResult.h"
-#include "include/BC_UtilCodingConvert.h"
-FX_LPCSTR 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, FX_INT32 byteModeDecode, FX_INT32 &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 {
- FX_INT32 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) {
- FX_INT32 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);
- }
- FX_INT32 numBits = mode->GetCharacterCountBits(version, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- FX_INT32 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 = FX_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, FX_INT32 count, FX_INT32 &e)
-{
- CFX_ByteString buffer;
- FX_INT32 offset = 0;
- while (count > 0) {
- FX_INT32 twoBytes = bits->ReadBits(13, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- FX_INT32 assembledTwoBytes = ((twoBytes / 0x060) << 8) | (twoBytes % 0x060);
- if (assembledTwoBytes <= 0x0095d) {
- assembledTwoBytes += 0x0a1a1;
- } else {
- assembledTwoBytes += 0x0a6a1;
- }
- buffer += (FX_BYTE) (assembledTwoBytes >> 8);
- buffer += (FX_BYTE) assembledTwoBytes;
- count--;
- }
- CBC_UtilCodingConvert::LocaleToUtf8(buffer, result);
-}
-void CBC_QRDecodedBitStreamParser::DecodeKanjiSegment(CBC_CommonBitSource* bits, CFX_ByteString &result, FX_INT32 count, FX_INT32 &e)
-{
- CFX_ByteString buffer;
- while (count > 0) {
- FX_INT32 twoBytes = bits->ReadBits(13, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- FX_INT32 assembledTwoBytes = ((twoBytes / 0x0c0) << 8) | (twoBytes % 0x0c0);
- if (assembledTwoBytes <= 0x01f00) {
- assembledTwoBytes += 0x08140;
- } else {
- assembledTwoBytes += 0x0c140;
- }
- buffer += (FX_BYTE) (assembledTwoBytes >> 8);
- buffer += (FX_BYTE) assembledTwoBytes;
- count--;
- }
- CBC_UtilCodingConvert::LocaleToUtf8(buffer, result);
-}
-void CBC_QRDecodedBitStreamParser::DecodeByteSegment(CBC_CommonBitSource* bits, CFX_ByteString &result, FX_INT32 count,
- CBC_CommonCharacterSetECI *currentCharacterSetECI,
- CFX_Int32Array *byteSegments, FX_INT32 byteModeDecode, FX_INT32 &e)
-{
- if(count < 0) {
- e = BCExceptionNotFound;
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- }
- if((count << 3) > bits->Available()) {
- e = BCExceptionRead;
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- }
- FX_BYTE *readBytes = FX_Alloc(FX_BYTE, count);
- FXSYS_memset32(readBytes, 0x00, count);
- for(FX_INT32 i = 0; i < count; i++) {
- readBytes[i] = (FX_BYTE) 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, FX_INT32 count, FX_BOOL fac1InEffect, FX_INT32 &e)
-{
- FX_INT32 start = result.GetLength();
- while(count > 1) {
- FX_INT32 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) {
- FX_INT32 itemp = bits->ReadBits(6, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[itemp]);
- }
- if(fac1InEffect) {
- for(FX_INT32 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, FX_INT32 count, FX_INT32 &e)
-{
- while(count >= 3) {
- FX_INT32 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) {
- FX_INT32 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) {
- FX_INT32 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;
-}
-FX_INT32 CBC_QRDecodedBitStreamParser::ParseECIValue(CBC_CommonBitSource* bits, FX_INT32 &e)
-{
- FX_INT32 firstByte = bits->ReadBits(8, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, 0);
- if((firstByte & 0x80) == 0) {
- return firstByte & 0x7f;
- } else if((firstByte & 0xc0) == 0x80) {
- FX_INT32 secondByte = bits->ReadBits(8, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, 0);
- return ((firstByte & 0x3f) << 8) | secondByte;
- } else if((firstByte & 0xe0) == 0xc0) {
- FX_INT32 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;
-}
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