X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/4f9d63e13cd8c6e275797c75b401b074b82937bc..8d3bb1a5dcfdea9857d3c88c3751f09593e34dc8:/wp-includes/wp-diff.php
diff --git a/wp-includes/wp-diff.php b/wp-includes/wp-diff.php
index 9e2d4474..8eeacddc 100644
--- a/wp-includes/wp-diff.php
+++ b/wp-includes/wp-diff.php
@@ -8,7 +8,7 @@
* @subpackage Diff
*/
-if ( !class_exists( 'Text_Diff' ) ) {
+if ( ! class_exists( 'Text_Diff', false ) ) {
/** Text_Diff class */
require( dirname(__FILE__).'/Text/Diff.php' );
/** Text_Diff_Renderer class */
@@ -28,27 +28,27 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
/**
* @see Text_Diff_Renderer::_leading_context_lines
* @var int
- * @access protected
+ * @access public
* @since 2.6.0
*/
- var $_leading_context_lines = 10000;
+ public $_leading_context_lines = 10000;
/**
* @see Text_Diff_Renderer::_trailing_context_lines
* @var int
- * @access protected
+ * @access public
* @since 2.6.0
*/
- var $_trailing_context_lines = 10000;
+ public $_trailing_context_lines = 10000;
/**
- * {@internal Missing Description}}
+ * Threshold for when a diff should be saved or omitted.
*
* @var float
* @access protected
* @since 2.6.0
*/
- var $_diff_threshold = 0.6;
+ protected $_diff_threshold = 0.6;
/**
* Inline display helper object name.
@@ -57,20 +57,32 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
* @access protected
* @since 2.6.0
*/
- var $inline_diff_renderer = 'WP_Text_Diff_Renderer_inline';
+ protected $inline_diff_renderer = 'WP_Text_Diff_Renderer_inline';
+
+ /**
+ * Should we show the split view or not
+ *
+ * @var string
+ * @access protected
+ * @since 3.6.0
+ */
+ protected $_show_split_view = true;
+
+ protected $compat_fields = array( '_show_split_view', 'inline_diff_renderer', '_diff_threshold' );
/**
- * PHP4 Constructor - Call parent constructor with params array.
+ * Constructor - Call parent constructor with params array.
*
* This will set class properties based on the key value pairs in the array.
*
- * @since unknown
+ * @since 2.6.0
*
* @param array $params
*/
- function Text_Diff_Renderer_Table( $params = array() ) {
- $parent = get_parent_class($this);
- $this->$parent( $params );
+ public function __construct( $params = array() ) {
+ parent::__construct( $params );
+ if ( isset( $params[ 'show_split_view' ] ) )
+ $this->_show_split_view = $params[ 'show_split_view' ];
}
/**
@@ -79,7 +91,7 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
* @param string $header
* @return string
*/
- function _startBlock( $header ) {
+ public function _startBlock( $header ) {
return '';
}
@@ -89,7 +101,7 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
* @param array $lines
* @param string $prefix
*/
- function _lines( $lines, $prefix=' ' ) {
+ public function _lines( $lines, $prefix=' ' ) {
}
/**
@@ -98,8 +110,9 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
* @param string $line HTML-escape the value.
* @return string
*/
- function addedLine( $line ) {
- return "
+ | {$line} | ";
+ public function addedLine( $line ) {
+ return "{$line} | ";
+
}
/**
@@ -108,8 +121,8 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
* @param string $line HTML-escape the value.
* @return string
*/
- function deletedLine( $line ) {
- return "- | {$line} | ";
+ public function deletedLine( $line ) {
+ return "{$line} | ";
}
/**
@@ -118,8 +131,8 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
* @param string $line HTML-escape the value.
* @return string
*/
- function contextLine( $line ) {
- return " | {$line} | ";
+ public function contextLine( $line ) {
+ return "{$line} | ";
}
/**
@@ -127,61 +140,98 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
*
* @return string
*/
- function emptyLine() {
- return ' | ';
+ public function emptyLine() {
+ return ' | ';
}
/**
* @ignore
- * @access private
+ * @access public
*
* @param array $lines
* @param bool $encode
* @return string
*/
- function _added( $lines, $encode = true ) {
+ public function _added( $lines, $encode = true ) {
$r = '';
foreach ($lines as $line) {
- if ( $encode )
- $line = htmlspecialchars( $line );
- $r .= '' . $this->emptyLine() . $this->addedLine( $line ) . "
\n";
+ if ( $encode ) {
+ $processed_line = htmlspecialchars( $line );
+
+ /**
+ * Contextually filters a diffed line.
+ *
+ * Filters TextDiff processing of diffed line. By default, diffs are processed with
+ * htmlspecialchars. Use this filter to remove or change the processing. Passes a context
+ * indicating if the line is added, deleted or unchanged.
+ *
+ * @since 4.1.0
+ *
+ * @param String $processed_line The processed diffed line.
+ * @param String $line The unprocessed diffed line.
+ * @param string null The line context. Values are 'added', 'deleted' or 'unchanged'.
+ */
+ $line = apply_filters( 'process_text_diff_html', $processed_line, $line, 'added' );
+ }
+
+ if ( $this->_show_split_view ) {
+ $r .= '' . $this->emptyLine() . $this->emptyLine() . $this->addedLine( $line ) . "
\n";
+ } else {
+ $r .= '' . $this->addedLine( $line ) . "
\n";
+ }
}
return $r;
}
/**
* @ignore
- * @access private
+ * @access public
*
* @param array $lines
* @param bool $encode
* @return string
*/
- function _deleted( $lines, $encode = true ) {
+ public function _deleted( $lines, $encode = true ) {
$r = '';
foreach ($lines as $line) {
- if ( $encode )
- $line = htmlspecialchars( $line );
- $r .= '' . $this->deletedLine( $line ) . $this->emptyLine() . "
\n";
+ if ( $encode ) {
+ $processed_line = htmlspecialchars( $line );
+
+ /** This filter is documented in wp-includes/wp-diff.php */
+ $line = apply_filters( 'process_text_diff_html', $processed_line, $line, 'deleted' );
+ }
+ if ( $this->_show_split_view ) {
+ $r .= '' . $this->deletedLine( $line ) . $this->emptyLine() . $this->emptyLine() . "
\n";
+ } else {
+ $r .= '' . $this->deletedLine( $line ) . "
\n";
+ }
+
}
return $r;
}
/**
* @ignore
- * @access private
+ * @access public
*
* @param array $lines
* @param bool $encode
* @return string
*/
- function _context( $lines, $encode = true ) {
+ public function _context( $lines, $encode = true ) {
$r = '';
foreach ($lines as $line) {
- if ( $encode )
- $line = htmlspecialchars( $line );
- $r .= '' .
- $this->contextLine( $line ) . $this->contextLine( $line ) . "
\n";
+ if ( $encode ) {
+ $processed_line = htmlspecialchars( $line );
+
+ /** This filter is documented in wp-includes/wp-diff.php */
+ $line = apply_filters( 'process_text_diff_html', $processed_line, $line, 'unchanged' );
+ }
+ if ( $this->_show_split_view ) {
+ $r .= '' . $this->contextLine( $line ) . $this->emptyLine() . $this->contextLine( $line ) . "
\n";
+ } else {
+ $r .= '' . $this->contextLine( $line ) . "
\n";
+ }
}
return $r;
}
@@ -192,26 +242,25 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
* (TRAC style) sometimes these lines can actually be deleted or added rows.
* We do additional processing to figure that out
*
- * @access private
+ * @access public
* @since 2.6.0
*
* @param array $orig
* @param array $final
* @return string
*/
- function _changed( $orig, $final ) {
+ public function _changed( $orig, $final ) {
$r = '';
// Does the aforementioned additional processing
- // *_matches tell what rows are "the same" in orig and final. Those pairs will be diffed to get word changes
+ // *_matches tell what rows are "the same" in orig and final. Those pairs will be diffed to get word changes
// match is numeric: an index in other column
- // match is 'X': no match. It is a new row
+ // match is 'X': no match. It is a new row
// *_rows are column vectors for the orig column and the final column.
// row >= 0: an indix of the $orig or $final array
// row < 0: a blank row for that column
list($orig_matches, $final_matches, $orig_rows, $final_rows) = $this->interleave_changed_lines( $orig, $final );
-
// These will hold the word changes as determined by an inline diff
$orig_diffs = array();
$final_diffs = array();
@@ -224,7 +273,7 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
$diff = $renderer->render( $text_diff );
// If they're too different, don't include any or
- if ( $diff_count = preg_match_all( '!(.*?|.*?)!', $diff, $diff_matches ) ) {
+ if ( preg_match_all( '!(.*?|.*?)!', $diff, $diff_matches ) ) {
// length of all text between or
$stripped_matches = strlen(strip_tags( join(' ', $diff_matches[0]) ));
// since we count lengith of text between or (instead of picking just one),
@@ -232,7 +281,7 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
$stripped_diff = strlen(strip_tags( $diff )) * 2 - $stripped_matches;
$diff_ratio = $stripped_matches / $stripped_diff;
if ( $diff_ratio > $this->_diff_threshold )
- continue; // Too different. Don't save diffs.
+ continue; // Too different. Don't save diffs.
}
// Un-inline the diffs by removing del or ins
@@ -242,11 +291,11 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
}
foreach ( array_keys($orig_rows) as $row ) {
- // Both columns have blanks. Ignore them.
+ // Both columns have blanks. Ignore them.
if ( $orig_rows[$row] < 0 && $final_rows[$row] < 0 )
continue;
- // If we have a word based diff, use it. Otherwise, use the normal line.
+ // If we have a word based diff, use it. Otherwise, use the normal line.
if ( isset( $orig_diffs[$orig_rows[$row]] ) )
$orig_line = $orig_diffs[$orig_rows[$row]];
elseif ( isset( $orig[$orig_rows[$row]] ) )
@@ -261,12 +310,16 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
else
$final_line = '';
- if ( $orig_rows[$row] < 0 ) { // Orig is blank. This is really an added row.
+ if ( $orig_rows[$row] < 0 ) { // Orig is blank. This is really an added row.
$r .= $this->_added( array($final_line), false );
- } elseif ( $final_rows[$row] < 0 ) { // Final is blank. This is really a deleted row.
+ } elseif ( $final_rows[$row] < 0 ) { // Final is blank. This is really a deleted row.
$r .= $this->_deleted( array($orig_line), false );
} else { // A true changed row.
- $r .= '' . $this->deletedLine( $orig_line ) . $this->addedLine( $final_line ) . "
\n";
+ if ( $this->_show_split_view ) {
+ $r .= '' . $this->deletedLine( $orig_line ) . $this->emptyLine() . $this->addedLine( $final_line ) . "
\n";
+ } else {
+ $r .= '' . $this->deletedLine( $orig_line ) . "
" . $this->addedLine( $final_line ) . "
\n";
+ }
}
}
@@ -283,13 +336,13 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
*
* @since 2.6.0
*
- * @param unknown_type $orig
- * @param unknown_type $final
- * @return unknown
+ * @param array $orig
+ * @param array $final
+ * @return array
*/
- function interleave_changed_lines( $orig, $final ) {
+ public function interleave_changed_lines( $orig, $final ) {
- // Contains all pairwise string comparisons. Keys are such that this need only be a one dimensional array.
+ // Contains all pairwise string comparisons. Keys are such that this need only be a one dimensional array.
$matches = array();
foreach ( array_keys($orig) as $o ) {
foreach ( array_keys($final) as $f ) {
@@ -310,7 +363,7 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
if ( isset($orig_matches[$o]) && isset($final_matches[$f]) )
continue;
- // First match for these guys. Must be best match
+ // First match for these guys. Must be best match
if ( !isset($orig_matches[$o]) && !isset($final_matches[$f]) ) {
$orig_matches[$o] = $f;
$final_matches[$f] = $o;
@@ -330,7 +383,6 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
ksort($orig_matches);
ksort($final_matches);
-
// Stores rows and blanks for each column.
$orig_rows = $orig_rows_copy = array_keys($orig_matches);
$final_rows = array_keys($final_matches);
@@ -343,18 +395,17 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
if ( false === $final_pos ) { // This orig is paired with a blank final.
array_splice( $final_rows, $orig_pos, 0, -1 );
- } elseif ( $final_pos < $orig_pos ) { // This orig's match is up a ways. Pad final with blank rows.
+ } elseif ( $final_pos < $orig_pos ) { // This orig's match is up a ways. Pad final with blank rows.
$diff_pos = $final_pos - $orig_pos;
while ( $diff_pos < 0 )
array_splice( $final_rows, $orig_pos, 0, $diff_pos++ );
- } elseif ( $final_pos > $orig_pos ) { // This orig's match is down a ways. Pad orig with blank rows.
+ } elseif ( $final_pos > $orig_pos ) { // This orig's match is down a ways. Pad orig with blank rows.
$diff_pos = $orig_pos - $final_pos;
while ( $diff_pos < 0 )
array_splice( $orig_rows, $orig_pos, 0, $diff_pos++ );
}
}
-
// Pad the ends with blank rows if the columns aren't the same length
$diff_count = count($orig_rows) - count($final_rows);
if ( $diff_count < 0 ) {
@@ -367,48 +418,6 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
}
return array($orig_matches, $final_matches, $orig_rows, $final_rows);
-
-/*
- // Debug
- echo "\n\n\n\n\n";
-
- echo "-- DEBUG Matches: Orig -> Final --";
-
- foreach ( $orig_matches as $o => $f ) {
- echo "\n\n\n\n\n";
- echo "ORIG: $o, FINAL: $f\n";
- var_dump($orig[$o],$final[$f]);
- }
- echo "\n\n\n\n\n";
-
- echo "-- DEBUG Matches: Final -> Orig --";
-
- foreach ( $final_matches as $f => $o ) {
- echo "\n\n\n\n\n";
- echo "FINAL: $f, ORIG: $o\n";
- var_dump($final[$f],$orig[$o]);
- }
- echo "\n\n\n\n\n";
-
- echo "-- DEBUG Rows: Orig -- Final --";
-
- echo "\n\n\n\n\n";
- foreach ( $orig_rows as $row => $o ) {
- if ( $o < 0 )
- $o = 'X';
- $f = $final_rows[$row];
- if ( $f < 0 )
- $f = 'X';
- echo "$o -- $f\n";
- }
- echo "\n\n\n\n\n";
-
- echo "-- END DEBUG --";
-
- echo "\n\n\n\n\n";
-
- return array($orig_matches, $final_matches, $orig_rows, $final_rows);
-*/
}
/**
@@ -420,19 +429,19 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
* @param string $string2
* @return int
*/
- function compute_string_distance( $string1, $string2 ) {
+ public function compute_string_distance( $string1, $string2 ) {
// Vectors containing character frequency for all chars in each string
$chars1 = count_chars($string1);
$chars2 = count_chars($string2);
// L1-norm of difference vector.
- $difference = array_sum( array_map( array(&$this, 'difference'), $chars1, $chars2 ) );
+ $difference = array_sum( array_map( array($this, 'difference'), $chars1, $chars2 ) );
- // $string1 has zero length? Odd. Give huge penalty by not dividing.
+ // $string1 has zero length? Odd. Give huge penalty by not dividing.
if ( !$string1 )
return $difference;
- // Return distance per charcter (of string1)
+ // Return distance per character (of string1).
return $difference / strlen($string1);
}
@@ -444,10 +453,69 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
* @param int $b
* @return int
*/
- function difference( $a, $b ) {
+ public function difference( $a, $b ) {
return abs( $a - $b );
}
+ /**
+ * Make private properties readable for backward compatibility.
+ *
+ * @since 4.0.0
+ * @access public
+ *
+ * @param string $name Property to get.
+ * @return mixed Property.
+ */
+ public function __get( $name ) {
+ if ( in_array( $name, $this->compat_fields ) ) {
+ return $this->$name;
+ }
+ }
+
+ /**
+ * Make private properties settable for backward compatibility.
+ *
+ * @since 4.0.0
+ * @access public
+ *
+ * @param string $name Property to check if set.
+ * @param mixed $value Property value.
+ * @return mixed Newly-set property.
+ */
+ public function __set( $name, $value ) {
+ if ( in_array( $name, $this->compat_fields ) ) {
+ return $this->$name = $value;
+ }
+ }
+
+ /**
+ * Make private properties checkable for backward compatibility.
+ *
+ * @since 4.0.0
+ * @access public
+ *
+ * @param string $name Property to check if set.
+ * @return bool Whether the property is set.
+ */
+ public function __isset( $name ) {
+ if ( in_array( $name, $this->compat_fields ) ) {
+ return isset( $this->$name );
+ }
+ }
+
+ /**
+ * Make private properties un-settable for backward compatibility.
+ *
+ * @since 4.0.0
+ * @access public
+ *
+ * @param string $name Property to unset.
+ */
+ public function __unset( $name ) {
+ if ( in_array( $name, $this->compat_fields ) ) {
+ unset( $this->$name );
+ }
+ }
}
/**
@@ -466,7 +534,7 @@ class WP_Text_Diff_Renderer_inline extends Text_Diff_Renderer_inline {
* @param string $newlineEscape
* @return string
*/
- function _splitOnWords($string, $newlineEscape = "\n") {
+ public function _splitOnWords($string, $newlineEscape = "\n") {
$string = str_replace("\0", '', $string);
$words = preg_split( '/([^\w])/u', $string, -1, PREG_SPLIT_DELIM_CAPTURE );
$words = str_replace( "\n", $newlineEscape, $words );
@@ -474,5 +542,3 @@ class WP_Text_Diff_Renderer_inline extends Text_Diff_Renderer_inline {
}
}
-
-?>