mirror of https://github.com/BOINC/boinc.git
102 lines
2.9 KiB
PHP
102 lines
2.9 KiB
PHP
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<?php
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class BoltSequence extends BoltUnit {
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public $units;
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function __construct($name, $units) {
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$this->name = $name;
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$this->units = $units;
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$this->is_item = false;
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}
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function walk(&$iter, $incr, &$frac_done) {
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$n = count($this->units);
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if (array_key_exists($this->name, $iter->state)) {
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$state_rec = $iter->state[$this->name];
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$child_name = $state_rec['child_name'];
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// look up unit by name
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//
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$child = null;
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for ($i=0; $i<$n; $i++) {
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$c = $this->units[$i];
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if ($c->name == $child_name) {
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$child = $c;
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break;
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}
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}
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// if not there, look up by index
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//
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if (!$child) {
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$i = $state_rec['i'];
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if ($i >= $n) {
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// and if index is too big, use last unit
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//
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$i = $n-1;
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}
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$child = $this->units[$i];
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}
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// at this point, $child is the current unit, and $i is its index
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//
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if ($incr) {
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$my_inc = false;
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if ($child->is_item) {
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$my_inc = true;
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} else {
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$my_inc = $child->walk($iter, $incr, $frac_done);
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}
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if ($my_inc) {
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$i++;
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if ($i == $n) {
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$frac_done = 1;
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$state_rec['i'] = 0;
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$state_rec['child_name'] = null;
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$iter->state[$this->name] = $state_rec;
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return true;
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}
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}
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}
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} else {
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$i = 0;
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}
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$child = $this->units[$i];
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$frac_done = $i/$n;
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$state_rec = null;
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$state_rec['i'] = $i;
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$state_rec['child_name'] = $child->name;
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$iter->state[$this->name] = $state_rec;
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if ($child->is_item) {
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$iter->item = $child;
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} else {
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$child->walk($iter, false, $f);
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$frac_done += $f*(1/$n);
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}
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}
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}
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function sequence() {
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$args = func_get_args();
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$units = array();
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$name = "";
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foreach ($args as $arg) {
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if (is_array($arg)) {
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switch ($arg[0]) {
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case 'name': $name = $arg[1]; break;
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case 'title': $title = $arg[1]; break;
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default: echo "Unrecognized array arg: ", $arg[0], "\n"; break;
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}
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} else if (is_object($arg)) {
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if (is_subclass_of($arg, "BoltUnit")) {
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$units[] = $arg;
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} else {
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echo "Unrecognized arg: ";
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print_r($arg);
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}
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}
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}
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return new BoltSequence($name, $units);
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}
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?>
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