Subversion Repositories cheapmusic

<?php namespace Fuse\Bitap;

function matched_indices($matchmask = [], $minMatchCharLength = 1)

{

    $matchedIndices = [];

    $start = -1;

    $end = -1;

    $i = 0;

    for ($len = sizeof($matchmask); $i < $len; $i++) {

        $match = $matchmask[$i];

        if ($match && $start === -1) {

            $start = $i;

        } elseif (!$match && $start !== -1) {

            $end = $i - 1;

            if (($end - $start) + 1 >= $minMatchCharLength) {

                $matchedIndices[] = [ $start, $end ];

            }

            $start = -1;

        }

    }

    // (i-1 - start) + 1 => i - start

    if (isset($matchmask[$i - 1]) && $matchmask[$i - 1] && ($i - $start) >= $minMatchCharLength) {

        $matchedIndices[] = [ $start, $i - 1 ];

    }

    return $matchedIndices;

}