* @ingroup DifferenceEngine
*/
abstract class DiffOp {
+
public $type;
public $orig;
public $closing;
+ public function getType() {
+ return $this->type;
+ }
+
+ public function getOrig() {
+ return $this->orig;
+ }
+
+ public function getClosing( $i = null ) {
+ if( $i === null ) {
+ return $this->closing;
+ }
+ if( array_key_exists( $i, $this->closing ) ) {
+ return $this->closing[$i];
+ }
+ return null;
+ }
+
abstract public function reverse();
/**
* @return int
*/
- function norig() {
+ public function norig() {
return $this->orig ? count( $this->orig ) : 0;
}
/**
* @return int
*/
- function nclosing() {
+ public function nclosing() {
return $this->closing ? count( $this->closing ) : 0;
}
}
class DiffOpCopy extends DiffOp {
public $type = 'copy';
- function __construct( $orig, $closing = false ) {
+ public function __construct( $orig, $closing = false ) {
if ( !is_array( $closing ) ) {
$closing = $orig;
}
/**
* @return DiffOpCopy
*/
- function reverse() {
+ public function reverse() {
return new DiffOpCopy( $this->closing, $this->orig );
}
}
class DiffOpDelete extends DiffOp {
public $type = 'delete';
- function __construct( $lines ) {
+ public function __construct( $lines ) {
$this->orig = $lines;
$this->closing = false;
}
/**
* @return DiffOpAdd
*/
- function reverse() {
+ public function reverse() {
return new DiffOpAdd( $this->orig );
}
}
class DiffOpAdd extends DiffOp {
public $type = 'add';
- function __construct( $lines ) {
+ public function __construct( $lines ) {
$this->closing = $lines;
$this->orig = false;
}
/**
* @return DiffOpDelete
*/
- function reverse() {
+ public function reverse() {
return new DiffOpDelete( $this->closing );
}
}
class DiffOpChange extends DiffOp {
public $type = 'change';
- function __construct( $orig, $closing ) {
+ public function __construct( $orig, $closing ) {
$this->orig = $orig;
$this->closing = $closing;
}
/**
* @return DiffOpChange
*/
- function reverse() {
+ public function reverse() {
return new DiffOpChange( $this->closing, $this->orig );
}
}
* @param $to_lines
* @return array
*/
- function diff( $from_lines, $to_lines ) {
+ public function diff( $from_lines, $to_lines ) {
wfProfileIn( __METHOD__ );
// Diff and store locally
* @ingroup DifferenceEngine
*/
class Diff {
+
+ /**
+ * @var DiffOp[]
+ */
public $edits;
/**
* Typically these are lines from a file.
* @param $to_lines array An array of strings.
*/
- function __construct( $from_lines, $to_lines ) {
+ public function __construct( $from_lines, $to_lines ) {
$eng = new DiffEngine;
$this->edits = $eng->diff( $from_lines, $to_lines );
}
+ /**
+ * @return array|DiffOp[]
+ */
+ public function getEdits() {
+ return $this->edits;
+ }
+
/**
* Compute reversed Diff.
*
* @return Object A Diff object representing the inverse of the
* original diff.
*/
- function reverse() {
+ public function reverse() {
$rev = $this;
$rev->edits = array();
/** @var DiffOp $edit */
*
* @return bool True if two sequences were identical.
*/
- function isEmpty() {
+ public function isEmpty() {
foreach ( $this->edits as $edit ) {
if ( $edit->type != 'copy' ) {
return false;
*
* @return int The length of the LCS.
*/
- function lcs() {
+ public function lcs() {
$lcs = 0;
foreach ( $this->edits as $edit ) {
if ( $edit->type == 'copy' ) {
*
* @return array The original sequence of strings.
*/
- function orig() {
+ public function orig() {
$lines = array();
foreach ( $this->edits as $edit ) {
*
* @return array The sequence of strings.
*/
- function closing() {
+ public function closing() {
$lines = array();
foreach ( $this->edits as $edit ) {
* @param $mapped_to_lines array This array should
* have the same number of elements as $to_lines.
*/
- function __construct( $from_lines, $to_lines,
+ public function __construct( $from_lines, $to_lines,
$mapped_from_lines, $mapped_to_lines ) {
wfProfileIn( __METHOD__ );
* @ingroup DifferenceEngine
*/
class HWLDFWordAccumulator {
+ public $insClass = ' class="diffchange diffchange-inline"';
+ public $delClass = ' class="diffchange diffchange-inline"';
+
private $lines = array();
private $line = '';
private $group = '';
private function flushGroup( $new_tag ) {
if ( $this->group !== '' ) {
if ( $this->tag == 'ins' ) {
- $this->line .= '<ins class="diffchange diffchange-inline">' .
+ $this->line .= "<ins{$this->insClass}>" .
htmlspecialchars( $this->group ) . '</ins>';
} elseif ( $this->tag == 'del' ) {
- $this->line .= '<del class="diffchange diffchange-inline">' .
+ $this->line .= "<del{$this->delClass}>" .
htmlspecialchars( $this->group ) . '</del>';
} else {
$this->line .= htmlspecialchars( $this->group );
* @param $orig_lines
* @param $closing_lines
*/
- function __construct( $orig_lines, $closing_lines ) {
+ public function __construct( $orig_lines, $closing_lines ) {
wfProfileIn( __METHOD__ );
list( $orig_words, $orig_stripped ) = $this->split( $orig_lines );