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   1  <?php
   2  
   3  final class DiffusionSvnFileContentQuery extends DiffusionFileContentQuery {
   4  
   5    public function getFileContentFuture() {
   6      $drequest = $this->getRequest();
   7  
   8      $repository = $drequest->getRepository();
   9      $path = $drequest->getPath();
  10      $commit = $drequest->getCommit();
  11  
  12      return $repository->getRemoteCommandFuture(
  13        '%C %s',
  14        $this->getNeedsBlame() ? 'blame --force' : 'cat',
  15        $repository->getSubversionPathURI($path, $commit));
  16    }
  17  
  18    protected function executeQueryFromFuture(Future $future) {
  19      try {
  20        list($corpus) = $future->resolvex();
  21      } catch (CommandException $ex) {
  22        $stderr = $ex->getStdErr();
  23        if (preg_match('/path not found$/', trim($stderr))) {
  24          // TODO: Improve user experience for this. One way to end up here
  25          // is to have the parser behind and look at a file which was recently
  26          // nuked; Diffusion will think it still exists and try to grab content
  27          // at HEAD.
  28          throw new Exception(
  29            'Failed to retrieve file content from Subversion. The file may '.
  30            'have been recently deleted, or the Diffusion cache may be out of '.
  31            'date.');
  32        } else {
  33          throw $ex;
  34        }
  35      }
  36  
  37      $file_content = new DiffusionFileContent();
  38      $file_content->setCorpus($corpus);
  39  
  40      return $file_content;
  41    }
  42  
  43    protected function tokenizeLine($line) {
  44      // sample line:
  45      // 347498       yliu     function print();
  46      $m = array();
  47      preg_match('/^\s*(\d+)\s+(\S+)(?: (.*))?$/', $line, $m);
  48      $rev_id = $m[1];
  49      $author = $m[2];
  50      $text = idx($m, 3);
  51  
  52      return array($rev_id, $author, $text);
  53    }
  54  
  55  }