MediaWiki  master
WordAccumulator.php
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1 <?php
26 namespace Wikimedia\Diff;
27 
33  public $insClass = ' class="diffchange diffchange-inline"';
35  public $delClass = ' class="diffchange diffchange-inline"';
36 
38  private $lines = [];
40  private $line = '';
42  private $group = '';
44  private $tag = '';
45 
49  private function flushGroup( $new_tag ) {
50  if ( $this->group !== '' ) {
51  $encGroup = htmlspecialchars( $this->group, ENT_NOQUOTES );
52  if ( $this->tag == 'ins' ) {
53  $this->line .= "<ins{$this->insClass}>$encGroup</ins>";
54  } elseif ( $this->tag == 'del' ) {
55  $this->line .= "<del{$this->delClass}>$encGroup</del>";
56  } else {
57  $this->line .= $encGroup;
58  }
59  }
60  $this->group = '';
61  $this->tag = $new_tag;
62  }
63 
67  private function flushLine( $new_tag ) {
68  $this->flushGroup( $new_tag );
69  if ( $this->line != '' ) {
70  $this->lines[] = $this->line;
71  } else {
72  # make empty lines visible by inserting an NBSP
73  $this->lines[] = "\u{00A0}";
74  }
75  $this->line = '';
76  }
77 
82  public function addWords( $words, $tag = '' ) {
83  if ( $tag != $this->tag ) {
84  $this->flushGroup( $tag );
85  }
86 
87  foreach ( $words as $word ) {
88  // new-line should only come as first char of word.
89  if ( $word == '' ) {
90  continue;
91  }
92  if ( $word[0] == "\n" ) {
93  $this->flushLine( $tag );
94  $word = substr( $word, 1 );
95  }
96  // FIXME: Don't use assert()
97  // phpcs:ignore MediaWiki.Usage.ForbiddenFunctions.assert
98  assert( !strstr( $word, "\n" ) );
99  $this->group .= $word;
100  }
101  }
102 
106  public function getLines() {
107  $this->flushLine( '~done' );
108 
109  return $this->lines;
110  }
111 }
112 
114 class_alias( WordAccumulator::class, 'MediaWiki\\Diff\\WordAccumulator' );
Stores, escapes and formats the results of word-level diff.
if(!file_exists( $CREDITS)) $lines