FineDiffOps.php 2.0 KB

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  1. <?php
  2. namespace GorHill\FineDiff;
  3. /**
  4. * FINE granularity DIFF
  5. *
  6. * Computes a set of instructions to convert the content of
  7. * one string into another.
  8. *
  9. * Copyright (c) 2011 Raymond Hill (http://raymondhill.net/blog/?p=441)
  10. *
  11. * Licensed under The MIT License
  12. *
  13. * Permission is hereby granted, free of charge, to any person obtaining a copy
  14. * of this software and associated documentation files (the "Software"), to deal
  15. * in the Software without restriction, including without limitation the rights
  16. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  17. * copies of the Software, and to permit persons to whom the Software is
  18. * furnished to do so, subject to the following conditions:
  19. *
  20. * The above copyright notice and this permission notice shall be included in
  21. * all copies or substantial portions of the Software.
  22. *
  23. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  24. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  25. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  26. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  27. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  28. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  29. * THE SOFTWARE.
  30. *
  31. * @copyright Copyright 2011 (c) Raymond Hill (http://raymondhill.net/blog/?p=441)
  32. * @link http://www.raymondhill.net/finediff/
  33. * @version 0.6
  34. * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
  35. */
  36. /**
  37. * FineDiff ops
  38. *
  39. * Collection of ops
  40. */
  41. class FineDiffOps {
  42. public function appendOpcode($opcode, $from, $from_offset, $from_len) {
  43. if ( $opcode === 'c' ) {
  44. $edits[] = new FineDiffCopyOp($from_len);
  45. }
  46. else if ( $opcode === 'd' ) {
  47. $edits[] = new FineDiffDeleteOp($from_len);
  48. }
  49. else /* if ( $opcode === 'i' ) */ {
  50. $edits[] = new FineDiffInsertOp(substr($from, $from_offset, $from_len));
  51. }
  52. }
  53. public $edits = array();
  54. }