void ToBuffer(StreamList& TheVec, char* pBuffer, int& nBuffUsed)
{
int nNumEntries = TheVec.size();
int nOffset = 0;
int nTemp = 0;
memcpy(pBuffer, &nNumEntries, sizeof(int));
StreamList::iterator i;
nOffset = sizeof(int);
for (i = TheVec.begin(); i != TheVec.end(); i++)
{
nTemp = (*i).first.size();
memcpy(&pBuffer[nOffset], (*i).first.c_str(), nTemp);
nOffset += nTemp;
pBuffer[nOffset] = '\0';
nOffset += sizeof(char);
nTemp = (*i).second.size();
memcpy(&pBuffer[nOffset], (*i).second.c_str(), nTemp);
nOffset += nTemp;
pBuffer[nOffset] = '\0';
nOffset += sizeof(char);
}
nBuffUsed = nOffset;
}
int BufSize(StreamList& TheVec)
{
int nBufSize = TheVec.size() * (sizeof(char)*2);
nBufSize += sizeof(int);
StreamList::iterator i;
for (i = TheVec.begin(); i != TheVec.end(); i++)
{
nBufSize += (*i).first.size() + (*i).second.size();
}
return nBufSize;
}
BufferedStream::BufferedStream(CompilerScratch* csb, RecordSource* next)
: m_next(next), m_map(csb->csb_pool)
{
fb_assert(m_next);
m_impure = CMP_impure(csb, sizeof(Impure));
StreamList streams;
m_next->findUsedStreams(streams);
Array<dsc> fields;
for (StreamList::iterator i = streams.begin(); i != streams.end(); ++i)
{
const StreamType stream = *i;
CompilerScratch::csb_repeat* const tail = &csb->csb_rpt[stream];
UInt32Bitmap::Accessor accessor(tail->csb_fields);
if (accessor.getFirst())
{
do {
const USHORT id = (USHORT) accessor.current();
const Format* const format = tail->csb_format; // CMP_format(tdbb, csb, stream);
const dsc* const desc = &format->fmt_desc[id];
m_map.add(FieldMap(FieldMap::REGULAR_FIELD, stream, id));
fields.add(*desc);
} while (accessor.getNext());
}
dsc desc;
desc.makeLong(0);
m_map.add(FieldMap(FieldMap::TRANSACTION_ID, stream, 0));
fields.add(desc);
desc.makeInt64(0);
m_map.add(FieldMap(FieldMap::DBKEY_NUMBER, stream, 0));
fields.add(desc);
desc.makeText(1, CS_BINARY);
m_map.add(FieldMap(FieldMap::DBKEY_VALID, stream, 0));
fields.add(desc);
}
const size_t count = fields.getCount();
Format* const format = Format::newFormat(csb->csb_pool, count);
format->fmt_length = FLAG_BYTES(count);
for (size_t i = 0; i < count; i++)
{
dsc& desc = format->fmt_desc[i] = fields[i];
if (desc.dsc_dtype >= dtype_aligned)
format->fmt_length = FB_ALIGN(format->fmt_length, type_alignments[desc.dsc_dtype]);
desc.dsc_address = (UCHAR*)(IPTR) format->fmt_length;
format->fmt_length += desc.dsc_length;
}
m_format = format;
}