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* update mu-msg-iter (remove batching)

This commit is contained in:
Dirk-Jan C. Binnema 2011-06-02 17:36:15 +03:00
parent 794825e297
commit eddf5a3965
1 changed files with 17 additions and 30 deletions
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47
src/mu-msg-iter.cc
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@ -1,4 +1,4 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
/* -*- mode: c++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
**
** Copyright (C) 2008-2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
@ -32,13 +32,12 @@ static gboolean update_msg (MuMsgIter *iter);
struct _MuMsgIter {
_MuMsgIter (const Xapian::Enquire &enq, size_t batchsize):
_enq(enq), _batchsize(batchsize), _offset(0), _msg(0) {
_MuMsgIter (const Xapian::Enquire &enq, size_t maxnum):
_enq(enq), _maxnum(maxnum), _offset(0), _msg(0) {
_matches = _enq.get_mset (0, _batchsize);
_matches = _enq.get_mset (0, _maxnum);
_cursor = _matches.begin();
_is_null = _matches.empty();
if (!_matches.empty())
update_msg (this);
}
@ -51,8 +50,7 @@ struct _MuMsgIter {
const Xapian::Enquire _enq;
Xapian::MSet _matches;
Xapian::MSet::const_iterator _cursor;
size_t _batchsize, _offset;
bool _is_null;
size_t _maxnum, _offset;
Xapian::Document _doc;
MuMsg *_msg;
@ -61,12 +59,12 @@ struct _MuMsgIter {
MuMsgIter*
mu_msg_iter_new (XapianEnquire *enq, size_t batchsize)
mu_msg_iter_new (XapianEnquire *enq, size_t maxnum)
{
g_return_val_if_fail (enq, NULL);
try {
return new MuMsgIter ((const Xapian::Enquire&)*enq, batchsize);
return new MuMsgIter ((const Xapian::Enquire&)*enq, maxnum);
} MU_XAPIAN_CATCH_BLOCK_RETURN(NULL);
}
@ -104,22 +102,6 @@ message_is_readable (MuMsgIter *iter)
return TRUE;
}
static MuMsgIter*
get_next_batch (MuMsgIter *iter)
{
iter->_matches = iter->_enq.get_mset (iter->_offset, iter->_batchsize);
if (iter->_matches.empty()) {
iter->_cursor = iter->_matches.end();
iter->_is_null = true;
} else {
iter->_cursor = iter->_matches.begin();
iter->_is_null = false;
}
return iter;
}
static gboolean
update_msg (MuMsgIter *iter)
@ -153,10 +135,10 @@ mu_msg_iter_next (MuMsgIter *iter)
return FALSE;
try {
++iter->_cursor;
++iter->_offset;
if (++iter->_cursor == iter->_matches.end())
iter = get_next_batch (iter);
if (iter->_cursor == iter->_matches.end())
if (mu_msg_iter_is_done(iter))
return FALSE; /* no more matches */
/* the message may not be readable / existing, e.g.,
@ -181,7 +163,12 @@ mu_msg_iter_next (MuMsgIter *iter)
gboolean
mu_msg_iter_is_done (MuMsgIter *iter)
{
return iter ? iter->_is_null : TRUE;
g_return_val_if_fail (iter, TRUE);
try {
return iter->_cursor == iter->_matches.end() ? TRUE : FALSE;
} MU_XAPIAN_CATCH_BLOCK_RETURN (TRUE);
}