void CvrpFileReader::readData()
{
while (not m_file->atEnd())
{
processNextLine();
}
}
Task * TextReader::processFile(const QString &url) {
IOAdapterFactory *iof = AppContext::getIOAdapterRegistry()->getIOAdapterFactoryById(IOAdapterUtils::url2io(url));
io = iof->createIOAdapter();
if(!io->open(url,IOAdapterMode_Read)) {
return new FailTask(tr("Can't load file %1").arg(url));
}
if(actor->getParameter(BaseAttributes::READ_BY_LINES_ATTRIBUTE().getId())->getAttributeValue<bool>(context) == false) {
QByteArray buf;
int read = 0;
int offs = 0;
buf.resize(READ_BLOCK_SIZE);
buf.fill(0);
do {
read = io->readBlock(buf.data() + offs, READ_BLOCK_SIZE);
if (read == -1) {
return new FailTask(tr("Can't load file %1. %2").arg(url).arg(io->errorString()));
}
if (read != READ_BLOCK_SIZE) {
SAFE_POINT(read < READ_BLOCK_SIZE, "Error while reading file", NULL);
buf.resize(buf.size() - READ_BLOCK_SIZE + read);
break;
}
offs += read;
buf.resize(offs + READ_BLOCK_SIZE);
} while(read == READ_BLOCK_SIZE);
sendMessage(buf);
io->close();
} else {
processNextLine();
}
return NULL;
}
Task * TextReader::tick() {
if(NULL != io && io->isOpen()) {
processNextLine();
} else if (urls->hasNext()) {
url = urls->getNextFile();
Task *resultTask = processUrlEntity(url);
if (NULL != resultTask) {
return resultTask;
}
}
if (!urls->hasNext() && (NULL == io || !io->isOpen())) {
ch->setEnded();
setDone();
}
return NULL;
}
