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Trying to get the Olson parser to produce correct output. That format is a nightmare...

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defacer 2005-02-25 18:28:12 +00:00
parent 2ef4dd5eb0
commit 83e1fc1407
1 changed files with 137 additions and 53 deletions
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190
lib/olson.php
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@ -36,68 +36,152 @@ function olson_simple_rule_parser ($filename) {
$save,
$letter) = $rule;
$id = $name;
if ($save === '0') {
$id .= '-reset';
} else {
$id .= '-set';
$srs = ($save === '0') ? 'reset' : 'set';
if(intval($to) == 0) {
$to = $from;
}
if (isset($rules[$id])) {
if ($rules[$id][2] < $from) {
$rules[$id] = $rule;
}
} else {
$rules[$id] = $rule;
for($i = $from; $i <= $to; ++$i) {
$rules[$name][$i][$srs] = $rule;
}
}
$months = array('jan' => 1, 'feb' => 2, 'mar' => 3, 'apr' => 4, 'may' => 5, 'jun' => 6,
'jul' => 7, 'aug' => 8, 'sep' => 9, 'oct' => 10, 'nov' => 11, 'dec' => 12);
$days = array('sun' => 0, 'mon' => 1, 'tue' => 2, 'wed' => 3, 'thu' => 4, 'fri' => 5, 'sat' => 6);
// now reformat it a bit to match Moodle's DST table
$moodle_rules = array();
foreach (array_keys($rules) as $rule) {
if (preg_match('/-reset$/', $rule)) {
continue; // we skip these
foreach ($rules as $family => $rulesbyyear) {
foreach ($rulesbyyear as $year => $rulesthisyear) {
if(!isset($rulesthisyear['set']) || !isset($rulesthisyear['reset'])) {
// What are we supposed to do with this???
print_object($family.' - '.$year.' was rejected');
continue;
}
list($discard,
$name,
$from,
$to,
$type,
$in,
$on,
$at,
$save,
$letter) = $rulesthisyear['set'];
$moodle_rule = array();
list($hours, $mins) = explode(':', $save);
$save = $hours * 60 + $mins;
list($hours, $mins) = explode(':', $at);
$at = sprintf('%02d:%02d', $hours, $mins);
$in = strtolower($in);
if(!isset($months[$in])) {
error('Unknown month: '.$in);
}
$moodle_rule['family'] = $name;
$moodle_rule['year'] = $year;
$moodle_rule['apply_offset'] = $save; // time offset
$moodle_rule['activate_month'] = $months[$in]; // the month
$moodle_rule['activate_time'] = $at; // the time
// Encode index and day as per Moodle's specs
if(is_numeric($on)) {
$moodle_rule['activate_index'] = $on;
$moodle_rule['activate_day'] = -1;
}
else {
$on = strtolower($on);
if(substr($on, 0, 4) == 'last') {
// e.g. lastSun
if(!isset($days[substr($on, 4)])) {
error('Unknown last weekday: '.substr($on, 4));
}
else {
$moodle_rule['activate_index'] = -1;
$moodle_rule['activate_day'] = $days[substr($on, 4)];
}
}
else if(substr($on, 3, 2) == '>=') {
// e.g. Sun>=8
if(!isset($days[substr($on, 0, 3)])) {
error('Unknown last weekday: '.substr($on, 0, 3));
}
else {
$moodle_rule['activate_index'] = substr($on, 5);
$moodle_rule['activate_day'] = $days[substr($on, 0, 3)];
}
}
else {
error('unknown on '.$on);
}
}
// and now the "deactivate" data
list($discard,
$name,
$from,
$to,
$type,
$in,
$on,
$at,
$save,
$letter) = $rulesthisyear['reset'];
list($hours, $mins) = explode(':', $at);
$at = sprintf('%02d:%02d', $hours, $mins);
$in = strtolower($in);
if(!isset($months[$in])) {
error('Unknown month: '.$in);
}
$moodle_rule['deactivate_month'] = $months[$in]; // the month
$moodle_rule['deactivate_time'] = $at; // the time
// Encode index and day as per Moodle's specs
if(is_numeric($on)) {
$moodle_rule['deactivate_index'] = $on;
$moodle_rule['deactivate_day'] = -1;
}
else {
$on = strtolower($on);
if(substr($on, 0, 4) == 'last') {
// e.g. lastSun
if(!isset($days[substr($on, 4)])) {
error('Unknown last weekday: '.substr($on, 4));
}
else {
$moodle_rule['deactivate_index'] = -1;
$moodle_rule['deactivate_day'] = $days[substr($on, 4)];
}
}
else if(substr($on, 3, 2) == '>=') {
// e.g. Sun>=8
if(!isset($days[substr($on, 0, 3)])) {
error('Unknown last weekday: '.substr($on, 0, 3));
}
else {
$moodle_rule['deactivate_index'] = substr($on, 5);
$moodle_rule['deactivate_day'] = $days[substr($on, 0, 3)];
}
}
else {
error('unknown on '.$on);
}
}
$moodle_rules[] = $moodle_rule;
print_object($moodle_rule);
}
list($discard,
$name,
$from,
$to,
$type,
$in,
$on,
$at,
$save,
$letter) = $rules[$rule];
$moodle_rule = array();
$moodle_rule['name'] = $name;
$moodle_rule['apply_offset'] = $save; // time offset
$moodle_rule['activate_index'] = $on; // the weeknumber
$moodle_rule['activate_day'] = $on; // the weekday
$moodle_rule['activate_month'] = $in; // the month
$moodle_rule['activate_time'] = $at; // the weeknumber
// and now the "deactivate" data
list($discard,
$name,
$from,
$to,
$type,
$in,
$on,
$at,
$save,
$letter) = $rules[$name.'-reset'];
$moodle_rule['deactivate_index'] = $on; // the weeknumber
$moodle_rule['deactivate_day'] = $on; // the weekday
$moodle_rule['deactivate_month'] = $in; // the month
$moodle_rule['deactivate_time'] = $at; // the weeknumber
$moodle_rules[$name] = $moodle_rule;
}
return $moodle_rules;