static void assemble(pPdf417class p, pArrayList list) {
int k;
if (list->size == 0)
return;
p->cwPtr = 1;
for (k = 0; k < list->size; ++k) {
pListElement v = listGet(list, k);
switch (v->type) {
case 'T':
if (k != 0)
p->param->codewords[p->cwPtr++] = TEXT_MODE;
textCompaction(p, v->start, v->end - v->start);
break;
case 'N':
p->param->codewords[p->cwPtr++] = NUMERIC_MODE;
numberCompaction(p, v->start, v->end - v->start);
break;
case 'B':
p->param->codewords[p->cwPtr++] = (v->end - v->start) % 6 ? BYTE_MODE : BYTE_MODE_6;
byteCompaction(p, v->start, v->end - v->start);
break;
}
if (p->param->error)
return;
}
}
int32_t CBC_DecodedBitStreamPaser::decodeMacroBlock(
CFX_Int32Array& codewords,
int32_t codeIndex,
CBC_PDF417ResultMetadata* resultMetadata,
int32_t& e) {
if (codeIndex + NUMBER_OF_SEQUENCE_CODEWORDS > codewords[0]) {
e = BCExceptionFormatInstance;
return -1;
}
CFX_Int32Array segmentIndexArray;
segmentIndexArray.SetSize(NUMBER_OF_SEQUENCE_CODEWORDS);
for (int32_t i = 0; i < NUMBER_OF_SEQUENCE_CODEWORDS; i++, codeIndex++) {
segmentIndexArray.SetAt(i, codewords[codeIndex]);
}
CFX_ByteString str =
decodeBase900toBase10(segmentIndexArray, NUMBER_OF_SEQUENCE_CODEWORDS, e);
BC_EXCEPTION_CHECK_ReturnValue(e, -1);
resultMetadata->setSegmentIndex(atoi(str.GetBuffer(str.GetLength())));
CFX_ByteString fileId;
codeIndex = textCompaction(codewords, codeIndex, fileId);
resultMetadata->setFileId(fileId);
if (codewords[codeIndex] == BEGIN_MACRO_PDF417_OPTIONAL_FIELD) {
codeIndex++;
CFX_Int32Array additionalOptionCodeWords;
additionalOptionCodeWords.SetSize(codewords[0] - codeIndex);
int32_t additionalOptionCodeWordsIndex = 0;
FX_BOOL end = FALSE;
while ((codeIndex < codewords[0]) && !end) {
int32_t code = codewords[codeIndex++];
if (code < TEXT_COMPACTION_MODE_LATCH) {
additionalOptionCodeWords[additionalOptionCodeWordsIndex++] = code;
} else {
switch (code) {
case MACRO_PDF417_TERMINATOR:
resultMetadata->setLastSegment(TRUE);
codeIndex++;
end = TRUE;
break;
default:
e = BCExceptionFormatInstance;
return -1;
}
}
}
CFX_Int32Array array;
array.SetSize(additionalOptionCodeWordsIndex);
array.Copy(additionalOptionCodeWords);
resultMetadata->setOptionalData(array);
} else if (codewords[codeIndex] == MACRO_PDF417_TERMINATOR) {
resultMetadata->setLastSegment(TRUE);
codeIndex++;
}
return codeIndex;
}
CBC_CommonDecoderResult* CBC_DecodedBitStreamPaser::decode(
CFX_Int32Array& codewords,
CFX_ByteString ecLevel,
int32_t& e) {
CFX_ByteString result;
int32_t codeIndex = 1;
int32_t code = codewords.GetAt(codeIndex);
codeIndex++;
CBC_PDF417ResultMetadata* resultMetadata = new CBC_PDF417ResultMetadata;
while (codeIndex < codewords[0]) {
switch (code) {
case TEXT_COMPACTION_MODE_LATCH:
codeIndex = textCompaction(codewords, codeIndex, result);
break;
case BYTE_COMPACTION_MODE_LATCH:
codeIndex = byteCompaction(code, codewords, codeIndex, result);
break;
case NUMERIC_COMPACTION_MODE_LATCH:
codeIndex = numericCompaction(codewords, codeIndex, result, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
break;
case MODE_SHIFT_TO_BYTE_COMPACTION_MODE:
codeIndex = byteCompaction(code, codewords, codeIndex, result);
break;
case BYTE_COMPACTION_MODE_LATCH_6:
codeIndex = byteCompaction(code, codewords, codeIndex, result);
break;
case BEGIN_MACRO_PDF417_CONTROL_BLOCK:
codeIndex = decodeMacroBlock(codewords, codeIndex, resultMetadata, e);
if (e != BCExceptionNO) {
delete resultMetadata;
return NULL;
}
break;
default:
codeIndex--;
codeIndex = textCompaction(codewords, codeIndex, result);
break;
}
if (codeIndex < codewords.GetSize()) {
code = codewords[codeIndex++];
} else {
e = BCExceptionFormatInstance;
delete resultMetadata;
return NULL;
}
}
if (result.GetLength() == 0) {
e = BCExceptionFormatInstance;
delete resultMetadata;
return NULL;
}
CFX_ByteArray rawBytes;
CFX_PtrArray byteSegments;
CBC_CommonDecoderResult* tempCd = new CBC_CommonDecoderResult();
tempCd->Init(rawBytes, result, byteSegments, ecLevel, e);
if (e != BCExceptionNO) {
delete resultMetadata;
return NULL;
}
tempCd->setOther(resultMetadata);
return tempCd;
}
