Syntax Syntax
Source Source
File: wp-includes/Text/Diff.php
class Text_MappedDiff extends Text_Diff { /** * Computes a diff between sequences of strings. * * This can be used to compute things like case-insensitve diffs, or diffs * which ignore changes in white-space. * * @param array $from_lines An array of strings. * @param array $to_lines An array of strings. * @param array $mapped_from_lines This array should have the same size * number of elements as $from_lines. The * elements in $mapped_from_lines and * $mapped_to_lines are what is actually * compared when computing the diff. * @param array $mapped_to_lines This array should have the same number * of elements as $to_lines. */ function __construct($from_lines, $to_lines, $mapped_from_lines, $mapped_to_lines) { assert(count($from_lines) == count($mapped_from_lines)); assert(count($to_lines) == count($mapped_to_lines)); parent::Text_Diff($mapped_from_lines, $mapped_to_lines); $xi = $yi = 0; for ($i = 0; $i < count($this->_edits); $i++) { $orig = &$this->_edits[$i]->orig; if (is_array($orig)) { $orig = array_slice($from_lines, $xi, count($orig)); $xi += count($orig); } $final = &$this->_edits[$i]->final; if (is_array($final)) { $final = array_slice($to_lines, $yi, count($final)); $yi += count($final); } } } /** * PHP4 constructor. */ public function Text_MappedDiff( $from_lines, $to_lines, $mapped_from_lines, $mapped_to_lines ) { self::__construct( $from_lines, $to_lines, $mapped_from_lines, $mapped_to_lines ); } }