MediaWiki REL1_30
WordAccumulator.php
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1<?php
26namespace MediaWiki\Diff;
27
35 public $insClass = ' class="diffchange diffchange-inline"';
36 public $delClass = ' class="diffchange diffchange-inline"';
37
38 private $lines = [];
39 private $line = '';
40 private $group = '';
41 private $tag = '';
42
46 private function flushGroup( $new_tag ) {
47 if ( $this->group !== '' ) {
48 if ( $this->tag == 'ins' ) {
49 $this->line .= "<ins{$this->insClass}>" . htmlspecialchars( $this->group ) . '</ins>';
50 } elseif ( $this->tag == 'del' ) {
51 $this->line .= "<del{$this->delClass}>" . htmlspecialchars( $this->group ) . '</del>';
52 } else {
53 $this->line .= htmlspecialchars( $this->group );
54 }
55 }
56 $this->group = '';
57 $this->tag = $new_tag;
58 }
59
63 private function flushLine( $new_tag ) {
64 $this->flushGroup( $new_tag );
65 if ( $this->line != '' ) {
66 array_push( $this->lines, $this->line );
67 } else {
68 # make empty lines visible by inserting an NBSP
69 array_push( $this->lines, '&#160;' );
70 }
71 $this->line = '';
72 }
73
78 public function addWords( $words, $tag = '' ) {
79 if ( $tag != $this->tag ) {
80 $this->flushGroup( $tag );
81 }
82
83 foreach ( $words as $word ) {
84 // new-line should only come as first char of word.
85 if ( $word == '' ) {
86 continue;
87 }
88 if ( $word[0] == "\n" ) {
89 $this->flushLine( $tag );
90 $word = substr( $word, 1 );
91 }
92 assert( !strstr( $word, "\n" ) );
93 $this->group .= $word;
94 }
95 }
96
100 public function getLines() {
101 $this->flushLine( '~done' );
102
103 return $this->lines;
104 }
105}
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Stores, escapes and formats the results of word-level diff.
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Definition design.txt:80