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   1  <?php
   2  
   3  abstract class DivinerRenderer {
   4  
   5    private $publisher;
   6    private $atomStack = array();
   7  
   8    public function setPublisher($publisher) {
   9      $this->publisher = $publisher;
  10      return $this;
  11    }
  12  
  13    public function getPublisher() {
  14      return $this->publisher;
  15    }
  16  
  17    public function getConfig($key, $default = null) {
  18      return $this->getPublisher()->getConfig($key, $default);
  19    }
  20  
  21    protected function pushAtomStack(DivinerAtom $atom) {
  22      $this->atomStack[] = $atom;
  23      return $this;
  24    }
  25  
  26    protected function peekAtomStack() {
  27      return end($this->atomStack);
  28    }
  29  
  30    protected function popAtomStack() {
  31      array_pop($this->atomStack);
  32      return $this;
  33    }
  34  
  35    abstract public function renderAtom(DivinerAtom $atom);
  36    abstract public function renderAtomSummary(DivinerAtom $atom);
  37    abstract public function renderAtomIndex(array $refs);
  38    abstract public function getHrefForAtomRef(DivinerAtomRef $ref);
  39  
  40  }