MediaWiki  master
WordAccumulator.php
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1 <?php
26 namespace MediaWiki\Diff;
27 
36  public $insClass = ' class="diffchange diffchange-inline"';
38  public $delClass = ' class="diffchange diffchange-inline"';
39 
41  private $lines = [];
43  private $line = '';
45  private $group = '';
47  private $tag = '';
48 
52  private function flushGroup( $new_tag ) {
53  if ( $this->group !== '' ) {
54  $encGroup = htmlspecialchars( $this->group, ENT_NOQUOTES );
55  if ( $this->tag == 'ins' ) {
56  $this->line .= "<ins{$this->insClass}>$encGroup</ins>";
57  } elseif ( $this->tag == 'del' ) {
58  $this->line .= "<del{$this->delClass}>$encGroup</del>";
59  } else {
60  $this->line .= $encGroup;
61  }
62  }
63  $this->group = '';
64  $this->tag = $new_tag;
65  }
66 
70  private function flushLine( $new_tag ) {
71  $this->flushGroup( $new_tag );
72  if ( $this->line != '' ) {
73  array_push( $this->lines, $this->line );
74  } else {
75  # make empty lines visible by inserting an NBSP
76  array_push( $this->lines, "\u{00A0}" );
77  }
78  $this->line = '';
79  }
80 
85  public function addWords( $words, $tag = '' ) {
86  if ( $tag != $this->tag ) {
87  $this->flushGroup( $tag );
88  }
89 
90  foreach ( $words as $word ) {
91  // new-line should only come as first char of word.
92  if ( $word == '' ) {
93  continue;
94  }
95  if ( $word[0] == "\n" ) {
96  $this->flushLine( $tag );
97  $word = substr( $word, 1 );
98  }
99  // FIXME: Don't use assert()
100  // phpcs:ignore MediaWiki.Usage.ForbiddenFunctions.assert
101  assert( !strstr( $word, "\n" ) );
102  $this->group .= $word;
103  }
104  }
105 
109  public function getLines() {
110  $this->flushLine( '~done' );
111 
112  return $this->lines;
113  }
114 }
Stores, escapes and formats the results of word-level diff.
if(!file_exists( $CREDITS)) $lines