trigger_error( 'pure virtual', E_USER_ERROR );
}
+ /**
+ * @return int
+ */
function norig() {
return $this->orig ? sizeof( $this->orig ) : 0;
}
+ /**
+ * @return int
+ */
function nclosing() {
return $this->closing ? sizeof( $this->closing ) : 0;
}
$this->closing = $closing;
}
+ /**
+ * @return _DiffOp_Copy
+ */
function reverse() {
return new _DiffOp_Copy( $this->closing, $this->orig );
}
$this->closing = false;
}
+ /**
+ * @return _DiffOp_Add
+ */
function reverse() {
return new _DiffOp_Add( $this->orig );
}
$this->orig = false;
}
+ /**
+ * @return _DiffOp_Delete
+ */
function reverse() {
return new _DiffOp_Delete( $this->closing );
}
$this->closing = $closing;
}
+ /**
+ * @return _DiffOp_Change
+ */
function reverse() {
return new _DiffOp_Change( $this->closing, $this->orig );
}
protected $lcs = 0;
+ /**
+ * @param $from_lines
+ * @param $to_lines
+ * @return array
+ */
function diff ( $from_lines, $to_lines ) {
wfProfileIn( __METHOD__ );
$edits = array();
$xi = $yi = 0;
while ( $xi < $n_from || $yi < $n_to ) {
- assert( $yi < $n_to || $this->xchanged[$xi] );
- assert( $xi < $n_from || $this->ychanged[$yi] );
+ assert( '$yi < $n_to || $this->xchanged[$xi]' );
+ assert( '$xi < $n_from || $this->ychanged[$yi]' );
// Skip matching "snake".
$copy = array();
return $edits;
}
+ /**
+ * @param $from_lines
+ * @param $to_lines
+ */
function diff_local ( $from_lines, $to_lines ) {
global $wgExternalDiffEngine;
wfProfileIn( __METHOD__ );
/**
* Returns the whole line if it's small enough, or the MD5 hash otherwise
+ * @param $line string
+ * @return string
*/
function _line_hash( $line ) {
if ( strlen( $line ) > self::MAX_XREF_LENGTH ) {
* [XOFF, XLIM) and [YOFF, YLIM) into NCHUNKS approximately equally
* sized segments.
*
- * Returns (LCS, PTS). LCS is the length of the LCS. PTS is an
+ * Returns (LCS, PTS). LCS is the length of the LCS. PTS is an
* array of NCHUNKS+1 (X, Y) indexes giving the diving points between
* sub sequences. The first sub-sequence is contained in [X0, X1),
* [Y0, Y1), the second in [X1, X2), [Y1, Y2) and so on. Note
* of the two files do not match, and likewise that the last lines do not
* match. The caller must trim matching lines from the beginning and end
* of the portions it is going to specify.
+ * @param $xoff
+ * @param $xlim
+ * @param $yoff
+ * @param $ylim
+ * @param $nchunks
+ * @return array
*/
function _diag( $xoff, $xlim, $yoff, $ylim, $nchunks ) {
$flip = false;
while ( list( , $y ) = each( $matches ) ) {
if ( empty( $this->in_seq[$y] ) ) {
$k = $this->_lcs_pos( $y );
- assert( $k > 0 );
+ assert( '$k > 0' );
$ymids[$k] = $ymids[$k -1];
break;
}
}
while ( list ( , $y ) = each( $matches ) ) {
if ( $y > $this->seq[$k -1] ) {
- assert( $y < $this->seq[$k] );
+ assert( '$y < $this->seq[$k]' );
// Optimization: this is a common case:
// next match is just replacing previous match.
$this->in_seq[$this->seq[$k]] = false;
$this->in_seq[$y] = 1;
} elseif ( empty( $this->in_seq[$y] ) ) {
$k = $this->_lcs_pos( $y );
- assert( $k > 0 );
+ assert( '$k > 0' );
$ymids[$k] = $ymids[$k -1];
}
}
return array( $this->lcs, $seps );
}
+ /**
+ * @param $ypos
+ * @return int
+ */
function _lcs_pos( $ypos ) {
$end = $this->lcs;
if ( $end == 0 || $ypos > $this->seq[$end] ) {
}
}
- assert( $ypos != $this->seq[$end] );
+ assert( '$ypos != $this->seq[$end]' );
$this->in_seq[$this->seq[$end]] = false;
$this->seq[$end] = $ypos;
*
* Note that XLIM, YLIM are exclusive bounds.
* All line numbers are origin-0 and discarded lines are not counted.
+ * @param $xoff
+ * @param $xlim
+ * @param $yoff
+ * @param $ylim
*/
function _compareseq ( $xoff, $xlim, $yoff, $ylim ) {
// Slide down the bottom initial diagonal.
*
* $diff = new Diff($lines1, $lines2);
* $rev = $diff->reverse();
- * @return object A Diff object representing the inverse of the
+ * @return Object A Diff object representing the inverse of the
* original diff.
*/
function reverse() {
* Check a Diff for validity.
*
* This is here only for debugging purposes.
+ * @param $from_lines
+ * @param $to_lines
*/
function _check( $from_lines, $to_lines ) {
wfProfileIn( __METHOD__ );
$mapped_from_lines, $mapped_to_lines ) {
wfProfileIn( __METHOD__ );
- assert( sizeof( $from_lines ) == sizeof( $mapped_from_lines ) );
- assert( sizeof( $to_lines ) == sizeof( $mapped_to_lines ) );
+ assert( 'sizeof( $from_lines ) == sizeof( $mapped_from_lines )' );
+ assert( 'sizeof( $to_lines ) == sizeof( $mapped_to_lines )' );
parent::__construct( $mapped_from_lines, $mapped_to_lines );
return $end;
}
+ /**
+ * @param $xbeg
+ * @param $xlen
+ * @param $ybeg
+ * @param $ylen
+ * @param $edits
+ */
function _block( $xbeg, $xlen, $ybeg, $ylen, &$edits ) {
wfProfileIn( __METHOD__ );
$this->_start_block( $this->_block_header( $xbeg, $xlen, $ybeg, $ylen ) );
ob_start();
}
+ /**
+ * @return string
+ */
function _end_diff() {
$val = ob_get_contents();
ob_end_clean();
return $val;
}
+ /**
+ * @param $xbeg
+ * @param $xlen
+ * @param $ybeg
+ * @param $ylen
+ * @return string
+ */
function _block_header( $xbeg, $xlen, $ybeg, $ylen ) {
if ( $xlen > 1 ) {
$xbeg .= ',' . ( $xbeg + $xlen - 1 );
function _end_block() {
}
+ /**
+ * @param $lines
+ * @param $prefix string
+ */
function _lines( $lines, $prefix = ' ' ) {
foreach ( $lines as $line ) {
echo "$prefix $line\n";
}
}
+ /**
+ * @param $lines
+ */
function _context( $lines ) {
$this->_lines( $lines );
}
+ /**
+ * @param $lines
+ */
function _added( $lines ) {
$this->_lines( $lines, '>' );
}
+
+ /**
+ * @param $lines
+ */
function _deleted( $lines ) {
$this->_lines( $lines, '<' );
}
+ /**
+ * @param $orig
+ * @param $closing
+ */
function _changed( $orig, $closing ) {
$this->_deleted( $orig );
echo "---\n";
var $leading_context_lines = 2;
var $trailing_context_lines = 2;
+ /**
+ * @param $lines
+ */
function _added( $lines ) {
$this->_lines( $lines, '+' );
}
+
+ /**
+ * @param $lines
+ */
function _deleted( $lines ) {
$this->_lines( $lines, '-' );
}
+
+ /**
+ * @param $orig
+ * @param $closing
+ */
function _changed( $orig, $closing ) {
$this->_deleted( $orig );
$this->_added( $closing );
}
+
+ /**
+ * @param $xbeg
+ * @param $xlen
+ * @param $ybeg
+ * @param $ylen
+ * @return string
+ */
function _block_header( $xbeg, $xlen, $ybeg, $ylen ) {
return "@@ -$xbeg,$xlen +$ybeg,$ylen @@";
}
* @ingroup DifferenceEngine
*/
class ArrayDiffFormatter extends DiffFormatter {
+
+ /**
+ * @param $diff
+ * @return array
+ */
function format( $diff ) {
$oldline = 1;
$newline = 1;
$this->_tag = '';
}
+ /**
+ * @param $new_tag
+ */
function _flushGroup( $new_tag ) {
if ( $this->_group !== '' ) {
if ( $this->_tag == 'ins' ) {
$this->_tag = $new_tag;
}
+ /**
+ * @param $new_tag
+ */
function _flushLine( $new_tag ) {
$this->_flushGroup( $new_tag );
if ( $this->_line != '' ) {
$this->_line = '';
}
+ /**
+ * @param $words
+ * @param $tag string
+ */
function addWords ( $words, $tag = '' ) {
if ( $tag != $this->_tag ) {
$this->_flushGroup( $tag );
$this->_flushLine( $tag );
$word = substr( $word, 1 );
}
- assert( !strstr( $word, "\n" ) );
+ assert( '!strstr( $word, "\n" )' );
$this->_group .= $word;
}
}
+ /**
+ * @return array
+ */
function getLines() {
$this->_flushLine( '~done' );
return $this->_lines;
class WordLevelDiff extends MappedDiff {
const MAX_LINE_LENGTH = 10000;
+ /**
+ * @param $orig_lines
+ * @param $closing_lines
+ */
function __construct ( $orig_lines, $closing_lines ) {
wfProfileIn( __METHOD__ );
wfProfileOut( __METHOD__ );
}
+ /**
+ * @param $lines
+ * @return array
+ */
function _split( $lines ) {
wfProfileIn( __METHOD__ );
return array( $words, $stripped );
}
+ /**
+ * @return array
+ */
function orig() {
wfProfileIn( __METHOD__ );
$orig = new _HWLDF_WordAccumulator;
return $lines;
}
+ /**
+ * @return array
+ */
function closing() {
wfProfileIn( __METHOD__ );
$closing = new _HWLDF_WordAccumulator;
$this->trailing_context_lines = 2;
}
+ /**
+ * @static
+ * @param $msg
+ * @return mixed
+ */
public static function escapeWhiteSpace( $msg ) {
$msg = preg_replace( '/^ /m', '  ', $msg );
$msg = preg_replace( '/ $/m', '  ', $msg );
return $msg;
}
+ /**
+ * @param $xbeg
+ * @param $xlen
+ * @param $ybeg
+ * @param $ylen
+ * @return string
+ */
function _block_header( $xbeg, $xlen, $ybeg, $ylen ) {
$r = '<tr><td colspan="2" class="diff-lineno"><!--LINE ' . $xbeg . "--></td>\n" .
'<td colspan="2" class="diff-lineno"><!--LINE ' . $ybeg . "--></td></tr>\n";
return $r;
}
+ /**
+ * @param $header
+ */
function _start_block( $header ) {
echo $header;
}
function _lines( $lines, $prefix = ' ', $color = 'white' ) {
}
- # HTML-escape parameter before calling this
+ /**
+ * HTML-escape parameter before calling this
+ * @param $line
+ * @return string
+ */
function addedLine( $line ) {
return $this->wrapLine( '+', 'diff-addedline', $line );
}
- # HTML-escape parameter before calling this
+ /**
+ * HTML-escape parameter before calling this
+ * @param $line
+ * @return string
+ */
function deletedLine( $line ) {
return $this->wrapLine( '−', 'diff-deletedline', $line );
}
- # HTML-escape parameter before calling this
+ /**
+ * HTML-escape parameter before calling this
+ * @param $line
+ * @return string
+ */
function contextLine( $line ) {
return $this->wrapLine( ' ', 'diff-context', $line );
}
+ /**
+ * @param $marker
+ * @param $class
+ * @param $line
+ * @return string
+ */
private function wrapLine( $marker, $class, $line ) {
if ( $line !== '' ) {
// The <div> wrapper is needed for 'overflow: auto' style to scroll properly
return "<td class='diff-marker'>$marker</td><td class='$class'>$line</td>";
}
+ /**
+ * @return string
+ */
function emptyLine() {
return '<td colspan="2"> </td>';
}
+ /**
+ * @param $lines array
+ */
function _added( $lines ) {
foreach ( $lines as $line ) {
echo '<tr>' . $this->emptyLine() .
}
}
+ /**
+ * @param $lines
+ */
function _deleted( $lines ) {
foreach ( $lines as $line ) {
echo '<tr>' . $this->deletedLine( '<del class="diffchange">' .
}
}
+ /**
+ * @param $lines
+ */
function _context( $lines ) {
foreach ( $lines as $line ) {
echo '<tr>' .
}
}
+ /**
+ * @param $orig
+ * @param $closing
+ */
function _changed( $orig, $closing ) {
wfProfileIn( __METHOD__ );
dépôts / lhc / web / wiklou.git / blobdiff