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git-svn-id: https://zxing.googlecode.com/svn/trunk@1839 59b500cc-1b3d-0410-9834-0bbf25fbcc57
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smparkes@smparkes.net 2011-06-28 16:02:20 +00:00
parent 0d4ae9fef6
commit 395cdb0f24
1 changed files with 298 additions and 297 deletions
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55
cpp/core/src/zxing/qrcode/decoder/DecodedBitStreamParser.cpp
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@ -1,4 +1,5 @@
/*
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* DecodedBitStreamParser.cpp
* zxing
*
@ -37,22 +38,22 @@
using namespace zxing;
namespace zxing {
namespace qrcode {
namespace qrcode {
using namespace std;
using namespace std;
const char DecodedBitStreamParser::ALPHANUMERIC_CHARS[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B',
const char DecodedBitStreamParser::ALPHANUMERIC_CHARS[] = { '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', ' ', '$', '%', '*', '+', '-', '.', '/', ':'
};
const char *DecodedBitStreamParser::ASCII = "ASCII";
const char *DecodedBitStreamParser::ISO88591 = "ISO-8859-1";
const char *DecodedBitStreamParser::UTF8 = "UTF-8";
const char *DecodedBitStreamParser::SHIFT_JIS = "SHIFT_JIS";
const char *DecodedBitStreamParser::EUC_JP = "EUC-JP";
const char *DecodedBitStreamParser::ASCII = "ASCII";
const char *DecodedBitStreamParser::ISO88591 = "ISO-8859-1";
const char *DecodedBitStreamParser::UTF8 = "UTF-8";
const char *DecodedBitStreamParser::SHIFT_JIS = "SHIFT_JIS";
const char *DecodedBitStreamParser::EUC_JP = "EUC-JP";
void DecodedBitStreamParser::append(std::string &result, const unsigned char *bufIn, size_t nIn, const char *src) {
void DecodedBitStreamParser::append(std::string &result, const unsigned char *bufIn, size_t nIn, const char *src) {
#ifndef NO_ICONV
if (nIn == 0) {
return;
@ -81,12 +82,12 @@ void DecodedBitStreamParser::append(std::string &result, const unsigned char *bu
bufOut[nResult] = '\0';
result.append((const char *)bufOut);
delete[] bufOut;
#else
#else
result.append((const char *)bufIn, nIn);
#endif
}
#endif
}
void DecodedBitStreamParser::decodeKanjiSegment(Ref<BitSource> bits, std::string &result, int count) {
void DecodedBitStreamParser::decodeKanjiSegment(Ref<BitSource> bits, std::string &result, int count) {
// Each character will require 2 bytes. Read the characters as 2-byte pairs
// and decode as Shift_JIS afterwards
size_t nBytes = 2 * count;
@ -112,9 +113,9 @@ void DecodedBitStreamParser::decodeKanjiSegment(Ref<BitSource> bits, std::string
append(result, buffer, nBytes, SHIFT_JIS);
delete[] buffer;
}
}
void DecodedBitStreamParser::decodeByteSegment(Ref<BitSource> bits, std::string &result, int count) {
void DecodedBitStreamParser::decodeByteSegment(Ref<BitSource> bits, std::string &result, int count) {
int nBytes = count;
unsigned char* readBytes = new unsigned char[nBytes];
if (count << 3 > bits->available()) {
@ -134,9 +135,9 @@ void DecodedBitStreamParser::decodeByteSegment(Ref<BitSource> bits, std::string
const char *encoding = guessEncoding(readBytes, nBytes);
append(result, readBytes, nBytes, encoding);
delete[] readBytes;
}
}
void DecodedBitStreamParser::decodeNumericSegment(Ref<BitSource> bits, std::string &result, int count) {
void DecodedBitStreamParser::decodeNumericSegment(Ref<BitSource> bits, std::string &result, int count) {
int nBytes = count;
unsigned char* bytes = new unsigned char[nBytes];
int i = 0;
@ -179,9 +180,9 @@ void DecodedBitStreamParser::decodeNumericSegment(Ref<BitSource> bits, std::stri
}
append(result, bytes, nBytes, ASCII);
delete[] bytes;
}
}
void DecodedBitStreamParser::decodeAlphanumericSegment(Ref<BitSource> bits, std::string &result, int count) {
void DecodedBitStreamParser::decodeAlphanumericSegment(Ref<BitSource> bits, std::string &result, int count) {
int nBytes = count;
unsigned char* bytes = new unsigned char[nBytes];
int i = 0;
@ -197,10 +198,10 @@ void DecodedBitStreamParser::decodeAlphanumericSegment(Ref<BitSource> bits, std:
}
append(result, bytes, nBytes, ASCII);
delete[] bytes;
}
}
const char *
DecodedBitStreamParser::guessEncoding(unsigned char *bytes, int length) {
const char *
DecodedBitStreamParser::guessEncoding(unsigned char *bytes, int length) {
const bool ASSUME_SHIFT_JIS = false;
char const* const PLATFORM_DEFAULT_ENCODING="UTF-8";
@ -316,9 +317,9 @@ DecodedBitStreamParser::guessEncoding(unsigned char *bytes, int length) {
}
// Otherwise, we take a wild guess with platform encoding
return PLATFORM_DEFAULT_ENCODING;
}
}
string DecodedBitStreamParser::decode(ArrayRef<unsigned char> bytes, Version *version) {
string DecodedBitStreamParser::decode(ArrayRef<unsigned char> bytes, Version *version) {
string result;
Ref<BitSource> bits(new BitSource(bytes));
Mode *mode = &Mode::TERMINATOR;
@ -347,7 +348,7 @@ string DecodedBitStreamParser::decode(ArrayRef<unsigned char> bytes, Version *ve
}
} while (mode != &Mode::TERMINATOR);
return result;
}
}
}
}
}