1 files changed, 140 insertions, 0 deletions
diff --git a/libmail/smapmsgrange.C b/libmail/smapmsgrange.C
new file mode 100644
index 0000000..4417341
--- /dev/null
+++ b/libmail/smapmsgrange.C
@@ -0,0 +1,140 @@
+/*
+** Copyright 2003, Double Precision Inc.
+**
+** See COPYING for distribution information.
+*/
+#include "smapmsgrange.H"
+#include "imap.H"
+
+mail::smapUidSet::smapUidSet( mail::imap &imapAccount,
+			      const std::vector<size_t> &v)
+{
+	if (imapAccount.currentFolder == NULL)
+		return;
+
+	std::vector<size_t>::const_iterator b=v.begin(), e=v.end();
+
+	while (b != e)
+	{
+		size_t n= *b++;
+
+		if (n >= imapAccount.currentFolder->exists)
+			continue;
+
+		insert(imapAccount.currentFolder->index[n].uid);
+	}
+}
+
+mail::smapUidSet::~smapUidSet()
+{
+}
+
+bool mail::smapUidSet::getNextRange( mail::imap &imapAccount,
+				     std::ostringstream &s)
+{
+	size_t i;
+	size_t n=imapAccount.currentFolder ?
+		imapAccount.currentFolder->exists:0;
+
+	std::list< std::pair<size_t, size_t> > rangeList;
+	size_t rangeCount=0;
+
+	for (i=0; i<n; i++)
+	{
+		std::set< std::string>::iterator pp=
+			find(imapAccount.currentFolder->index[i].uid);
+
+		if (pp == end())
+			continue;
+
+		if (!rangeList.empty())
+		{
+			std::list< std::pair<size_t, size_t> >::iterator
+				p= --rangeList.end();
+
+			if (p->second + 1 == i)
+			{
+				++p->second;
+				erase(pp);
+				continue;
+			}
+		}
+
+		if (++rangeCount > 100)
+			break;
+
+		erase(pp);
+		rangeList.insert(rangeList.end(), std::make_pair(i, i));
+	}
+
+	if (rangeList.empty())
+		return false;
+
+	while (!rangeList.empty())
+	{
+		std::list< std::pair<size_t, size_t> >::iterator
+			b=rangeList.begin();
+
+		s << " " << (b->first+1) << "-" << (b->second+1);
+		rangeList.pop_front();
+	}
+	return true;
+}
+
+mail::smapMsgRange::smapMsgRange()
+{
+}
+
+void mail::smapMsgRange::init( mail::imap &imapAccount,
+			       const mail::smapUidSet &uidSet)
+{
+	size_t i;
+	size_t n=imapAccount.currentFolder ?
+		imapAccount.currentFolder->exists:0;
+
+	for (i=0; i<n; i++)
+	{
+		if (uidSet.count(imapAccount.currentFolder->index[i].uid)
+		    == 0)
+			continue;
+
+		if (!empty())
+		{
+			mail::smapMsgRange::iterator p= --end();
+
+			if (p->second + 1 == i)
+			{
+				++p->second;
+				continue;
+			}
+		}
+
+		insert(end(), std::make_pair(i, i));
+	}
+}
+
+mail::smapMsgRange::~smapMsgRange()
+{
+}
+
+bool mail::smapMsgRange::operator>>( std::ostringstream &s)
+{
+	bool flag=false;
+	int i;
+
+	for (i=0; i<100; i++)
+	{
+		if (empty())
+			break;
+
+		flag=true;
+
+		std::list< std::pair<size_t, size_t> >::iterator b=begin();
+
+		s << " " << (b->first+1) << "-" << (b->second+1);
+
+		pop_front();
+	}
+
+	return flag;
+}