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Row and RowIterator done and tested (windows and linux)

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This commit is contained in:
Aleksandar Fabijanic
2007-06-23 01:22:55 +00:00
parent 08f8448478
commit b2977d3df2
26 changed files with 745 additions and 155 deletions
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48
Data/src/RowIterator.cpp
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@@ -1,7 +1,7 @@
//
// RowIterator.cpp
//
// $Id: //poco/Main/Data/src/RowIterator.cpp#2 $
// $Id: //poco/Main/Data/src/RowIterator.cpp#1 $
//
// Library: Data
// Package: DataCore
@@ -48,9 +48,9 @@ namespace Data {
const int RowIterator::POSITION_END = std::numeric_limits<std::size_t>::max();
RowIterator::RowIterator(const RecordSet& recordSet, bool isEmpty):
_position(isEmpty ? POSITION_END : 0),
_recordSet(recordSet)
RowIterator::RowIterator(RecordSet& recordSet, bool positionEnd):
_recordSet(recordSet),
_position((0 == recordSet.rowCount()) || positionEnd ? POSITION_END : 0)
{
}
@@ -75,43 +75,59 @@ void RowIterator::increment()
void RowIterator::decrement()
{
if (0 == _position)
throw RangeException("End of iterator reached.");
--_position;
throw RangeException("Beginning of iterator reached.");
else if (POSITION_END == _position)
_position = _recordSet.rowCount() - 1;
else
--_position;
}
const Row& RowIterator::operator * () const
Row& RowIterator::operator * () const
{
if (POSITION_END == _position)
throw InvalidAccessException("End of iterator reached.");
return _recordSet.row(_position);
}
const Row& RowIterator::operator ++ ()
Row* RowIterator::operator -> () const
{
if (POSITION_END == _position)
throw InvalidAccessException("End of iterator reached.");
return &_recordSet.row(_position);
}
std::size_t RowIterator::operator ++ ()
{
increment();
return _recordSet.row(_position);
return _position;
}
const Row& RowIterator::operator ++ (int)
std::size_t RowIterator::operator ++ (int)
{
std::size_t oldPos = _position;
increment();
return _recordSet.row(_position - 1);
return oldPos;
}
const Row& RowIterator::operator -- ()
std::size_t RowIterator::operator -- ()
{
decrement();
return _recordSet.row(_position);
return _position;
}
const Row& RowIterator::operator -- (int)
std::size_t RowIterator::operator -- (int)
{
std::size_t oldPos = _position;
decrement();
return _recordSet.row(_position + 1);
return oldPos;
}