PHP Editor Review - Hlight Script

Code of zander

<?php

/*
 *  Written by: Alexander A. Magtipon
 *              zander@digi.com.ph
 *              Copyright (c) 2003
 *
 */

class zJumbledWords
{
    var $char_pool = 'abcdefghijklmnopqrstuvwxyz';
    var $input_array = array();
    var $output_array = array();
    var $char_count = 0;
    
    var $_input_loaded = false;
    var $_blank_chars = 2;
    var $_cur_blank_cpool = '';
    var $_cur_input_cpool = '';
    var $_cur_output_str = '';
    var $_cur_search_array = array();
    
    var $_cur_blank_buf = '';
    var $_cur_output_buf = '';
    
    //--------------------------------------------------------------------------
    function loadInput( $f_path='' )
    {
        clearstatcache();
        if( !is_file($f_path) )
        {
            echo "No input file...(lists.txt expected) !!!";
            return $this->_input_loaded;
        }
        $f_str = implode( '',@file($f_path) );
        $f_str = str_replace( array("\r","\n"),'',$f_str );
        $this->input_array = preg_split( '/\./',trim($f_str),-1,PREG_SPLIT_NO_EMPTY );
        $this->_input_loaded = true;
        return 0;
    }
    //--------------------------------------------------------------------------
    function parseInput()
    {
        if( !$this->_input_loaded )
            return $this->_input_loaded;
        foreach( $this->input_array as $input )
        {
            $this->_resetBuffers();
            $this->_loadInputItem( $input );
            $this->_parseInputItem();
        }
    }
    //--------------------------------------------------------------------------
    function printOutput()
    {
        if( !$this->_input_loaded )
            return $this->_input_loaded;
        foreach( $this->output_array as $str )
        {
            echo "$str <br>";
        }
        echo "$this->char_count";
    }
    //--------------------------------------------------------------------------
    function _loadInputItem( $input )
    {
        $a_tmp = explode( ',',$input );
        $this->_cur_search_array = explode( ' ',trim($a_tmp[0]) );
        $this->_cur_input_cpool = trim( $a_tmp[1] );
    }
    //--------------------------------------------------------------------------
    function _parseInputItem()
    {
        $this->_arraySortByLength( $this->_cur_search_array,'DESC' );
        foreach( $this->_cur_search_array as $str )
        {
            $tmpstr = '';
            $char_count = 0;
            for( $i=0;$i<strlen($str);$i++ )
            {
                $blank = false;
                $char = $this->_fetchCharFromPool( $str{$i} );
                if( !$char )
                {
                    $char = $this->_fetchBlankChar( $str{$i} );
                    $blank = true;
                }
                if( !$char )
                {
                    $this->_resetItemBuf();
                    $tmpstr = '';
                    $char_count = 0;
                    break;
                }else
                {
                    $tmpstr .= ( $blank ) ? '<font color=red>'.$char.'</font>' : $char ;
                    $char_count++;
                }
            }
            if( $tmpstr )
            {
                $this->char_count += $char_count;
                $this->_cur_output_str .= $tmpstr.' ';
            }
        }
        $this->output_array[] = $this->_cur_output_str;
    }
    //--------------------------------------------------------------------------
    function _fetchCharFromPool( $char )
    {
        $retchar = $this->_stringPop( $this->_cur_input_cpool,$char );
        $this->_cur_output_buf .= $retchar;
        return $retchar;
    }
    //--------------------------------------------------------------------------
    function _fetchBlankChar( $char )
    {
        $blank = '';
        if( $this->_blank_chars>0 )
        {
            $blank = $this->_stringPop( $this->_cur_blank_cpool,$char );
            $this->_cur_blank_buf .= $blank;
            $this->_blank_chars--;
        }
        return $blank;
    }
    //--------------------------------------------------------------------------
    function _stringPop( &$str,$char )
    {
        $retchar = '';
        $pos = strpos( $str,$char );
        if( $pos!==false )
        {
            $retchar = substr( $str,$pos,strlen($char) );
            $str = substr_replace( $str,'',$pos,strlen($char) );
        }
        return $retchar;
    }
    //--------------------------------------------------------------------------
    function _arraySortByLength( &$array,$order='ASC' )
    {
        usort( $array,'strnatcasecmp' );
        if( $order=='DESC' )
            $array = array_reverse( $array );
    }
    //--------------------------------------------------------------------------
    function _resetItemBuf()
    {
        $this->_cur_blank_cpool .= $this->_cur_blank_buf;
        $this->_cur_input_cpool .= $this->_cur_output_buf;
        $this->_cur_blank_buf = '';
        $this->_cur_output_buf = '';
    }
    //--------------------------------------------------------------------------
    function _resetBuffers()
    {
        $this->_blank_chars = 2;
        $this->_cur_blank_cpool = $this->char_pool;
        $this->_cur_input_cpool = '';
        $this->_cur_output_str = '';
        $this->_cur_search_array = array();

        $this->_cur_blank_buf = '';
        $this->_cur_output_buf = '';
    }
    //--------------------------------------------------------------------------
}


$jwobj = new zJumbledWords();
$jwobj->loadInput( 'lists.txt' );
$jwobj->parseInput();
$jwobj->printOutput();

?>
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