original_string: protected function addSymlinks(PackageInterface $package, $targetRoot, array $pathMap, $mode = self::DUPLICATE_FAIL)
      {
          if (empty($pathMap)) {
              return;
          }
  
          $packageRoot = $this->getInstallPath($package);
          $actions     = [];
  
          // Check the file map first and make sure nothing exists.
          foreach ($pathMap as $sourcePath => $targetPath) {
              $source = $this->filesystem->normalizePath($packageRoot . ($sourcePath ? ('/'.$sourcePath) : ''));
              $target = $this->filesystem->normalizePath($targetRoot . '/' . $targetPath);
  
              if ($this->canAddSymlink($source, $target, $mode)) {
                  $actions[$source] = $target;
              }
          }
  
          // Only actually create the links if the checks are successful to prevent orphans.
          foreach ($actions as $source => $target) {
              $this->logSymlink($source, $target);
  
              $this->filesystem->ensureDirectoryExists(dirname($target));
  
              if (Platform::isWindows()) {
                  $success = @symlink($source, $target);
              } else {
                  $success = $this->filesystem->relativeSymlink($source, $target);
              }
  
              if (!$success) {
                  throw new \RuntimeException('Failed to create symlink ' . $target);
              }
          }
      }
code: protected function addSymlinks(PackageInterface $package, $targetRoot, array $pathMap, $mode = self::DUPLICATE_FAIL)
      {
          if (empty($pathMap)) {
              return;
          }
  
          $packageRoot = $this->getInstallPath($package);
          $actions     = [];
  
          // Check the file map first and make sure nothing exists.
          foreach ($pathMap as $sourcePath => $targetPath) {
              $source = $this->filesystem->normalizePath($packageRoot . ($sourcePath ? ('/'.$sourcePath) : ''));
              $target = $this->filesystem->normalizePath($targetRoot . '/' . $targetPath);
  
              if ($this->canAddSymlink($source, $target, $mode)) {
                  $actions[$source] = $target;
              }
          }
  
          // Only actually create the links if the checks are successful to prevent orphans.
          foreach ($actions as $source => $target) {
              $this->logSymlink($source, $target);
  
              $this->filesystem->ensureDirectoryExists(dirname($target));
  
              if (Platform::isWindows()) {
                  $success = @symlink($source, $target);
              } else {
                  $success = $this->filesystem->relativeSymlink($source, $target);
              }
  
              if (!$success) {
                  throw new \RuntimeException('Failed to create symlink ' . $target);
              }
          }
      }
code_tokens: protected function addSymlinks ( PackageInterface $ package , $ targetRoot , array $ pathMap , $ mode = self :: DUPLICATE_FAIL ) { if ( empty ( $ pathMap ) ) { return ; } $ packageRoot = $ this -> getInstallPath ( $ package ) ; $ actions = [ ] ; // Check the file map first and make sure nothing exists. foreach ( $ pathMap as $ sourcePath => $ targetPath ) { $ source = $ this -> filesystem -> normalizePath ( $ packageRoot . ( $ sourcePath ? ( '/' . $ sourcePath ) : '' ) ) ; $ target = $ this -> filesystem -> normalizePath ( $ targetRoot . '/' . $ targetPath ) ; if ( $ this -> canAddSymlink ( $ source , $ target , $ mode ) ) { $ actions [ $ source ] = $ target ; } } // Only actually create the links if the checks are successful to prevent orphans. foreach ( $ actions as $ source => $ target ) { $ this -> logSymlink ( $ source , $ target ) ; $ this -> filesystem -> ensureDirectoryExists ( dirname ( $ target ) ) ; if ( Platform :: isWindows ( ) ) { $ success = @ symlink ( $ source , $ target ) ; } else { $ success = $ this -> filesystem -> relativeSymlink ( $ source , $ target ) ; } if ( ! $ success ) { throw new \ RuntimeException ( 'Failed to create symlink ' . $ target ) ; } } }
docstring: Creates symlinks for a map of relative file paths.
  Key is the relative path to composer package, whereas "value" is relative to Contao root.
  
  @param PackageInterface $package    The package being processed.
  @param string           $targetRoot The target directory.
  @param array            $pathMap    The path mapping.
  @param int              $mode       The mode how to handle duplicate files.
  
  @return void
  
  @throws \RuntimeException When the symlink could not be created.
docstring_tokens: Creates symlinks for a map of relative file paths . Key is the relative path to composer package whereas value is relative to Contao root .