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  1. <?php
  2. /**
  3. * Abstract class for diff renderers in PHP DiffLib.
  4. *
  5. * PHP version 5
  6. *
  7. * Copyright (c) 2009 Chris Boulton <chris.boulton@interspire.com>
  8. *
  9. * All rights reserved.
  10. *
  11. * Redistribution and use in source and binary forms, with or without
  12. * modification, are permitted provided that the following conditions are met:
  13. *
  14. * - Redistributions of source code must retain the above copyright notice,
  15. * this list of conditions and the following disclaimer.
  16. * - Redistributions in binary form must reproduce the above copyright notice,
  17. * this list of conditions and the following disclaimer in the documentation
  18. * and/or other materials provided with the distribution.
  19. * - Neither the name of the Chris Boulton nor the names of its contributors
  20. * may be used to endorse or promote products derived from this software
  21. * without specific prior written permission.
  22. *
  23. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  24. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26. * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  27. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  31. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  32. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33. * POSSIBILITY OF SUCH DAMAGE.
  34. *
  35. * @package DiffLib
  36. * @author Chris Boulton <chris.boulton@interspire.com>
  37. * @copyright (c) 2009 Chris Boulton
  38. * @license New BSD License http://www.opensource.org/licenses/bsd-license.php
  39. * @version 1.1
  40. * @link http://github.com/chrisboulton/php-diff
  41. */
  42. abstract class Diff_Renderer_Abstract
  43. {
  44. /**
  45. * @var object Instance of the diff class that this renderer is generating the rendered diff for.
  46. */
  47. public $diff;
  48. /**
  49. * @var array Array of the default options that apply to this renderer.
  50. */
  51. protected $defaultOptions = array();
  52. /**
  53. * @var array Array containing the user applied and merged default options for the renderer.
  54. */
  55. protected $options = array();
  56. /**
  57. * The constructor. Instantiates the rendering engine and if options are passed,
  58. * sets the options for the renderer.
  59. *
  60. * @param array $options Optionally, an array of the options for the renderer.
  61. */
  62. public function __construct(array $options = array())
  63. {
  64. $this->setOptions($options);
  65. }
  66. /**
  67. * Set the options of the renderer to those supplied in the passed in array.
  68. * Options are merged with the default to ensure that there aren't any missing
  69. * options.
  70. *
  71. * @param array $options Array of options to set.
  72. */
  73. public function setOptions(array $options)
  74. {
  75. $this->options = array_merge($this->defaultOptions, $options);
  76. }
  77. }