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// $Id: ZoneIndex.cc 2641 2007-09-02 21:31:02Z flaterco $
/* ZoneIndex Index stations by zone for xttpd.
Copyright (C) 1998 David Flater.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common.hh"
#include "ZoneIndex.hh"
ZoneIndex::ZInode * const ZoneIndex::ZImap::lookup (const Dstr &zone) {
assert (zone.length());
ZImap::iterator xactmatch = find (zone);
if (xactmatch != end())
return &(xactmatch->second);
for (ZImap::iterator it = begin(); it != end(); ++it)
// ":America/New_York" %= ":America/"
if ((zone %= it->first) && (it->first.back() == '/'))
return it->second.subzones.lookup (zone);
return NULL;
}
ZoneIndex::ZInode * const ZoneIndex::operator[] (const Dstr &zone) {
if (zone.length())
return top.subzones.lookup (zone);
return ⊤
}
ZoneIndex::ZInode &ZoneIndex::makezone (const Dstr &zone) {
assert (zone.length());
assert (zone.back() != '/');
ZInode *tryit = operator[](zone);
if (tryit)
return *tryit;
else {
Dstr smallzone (zone), addzone (zone);
int i;
// Find the level that already exists.
while ((i = smallzone.strrchr ('/')) != -1) {
if (i == (int)smallzone.length() - 1) {
addzone = smallzone;
smallzone -= i;
} else {
smallzone -= i+1;
if ((tryit = operator[](smallzone)))
break;
}
}
// Add one more level.
if (tryit)
(void) tryit->subzones[addzone];
else
(void) top.subzones[addzone];
// Repeat till done.
return makezone (zone);
}
}
void ZoneIndex::add (StationRef *sr) {
assert (sr);
const Dstr &zone = sr->timezone;
assert (!zone.isNull());
makezone(zone).stationIndex.push_back (sr);
}
void ZoneIndex::add (const StationIndex &stationIndex) {
Global::log ("Building zone index...", LOG_NOTICE);
for (unsigned long i=0; i<stationIndex.size(); ++i)
add (stationIndex[i]);
}
// Cleanup2006 Cruft CloseEnough
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