page.controller.php

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<?php
/* Copyright (C) NAVER <http://www.navercorp.com> */
class pageController extends page
{
    var $target_path = '';

    function init() { }

    function getTitle($content)
    {
        preg_match('!<title([^>]*)>(.*?)<\/title>!is', $content, $buff);
        return trim($buff[2]);
    }

    function getHeadScript($content)
    {
        // remove the title tag
        $content = preg_replace('!<title([^>]*)>(.*?)<\/title>!is','', $content);
        // Remove meta tags
        $content = preg_replace('!<(\/){0,1}meta([^>]*)>!is','', $content);
        // Extract information such as <link, <style, <script and so on
        preg_match_all('!<link([^>]*)>!is', $content, $link_buff);
        for($i=0;$i<count($link_buff[0]);$i++)
        {
            $tmp_str = trim($link_buff[0][$i]);
            if(!$tmp_str) continue;
            $header_script .=  $tmp_str."\n";
        }

        preg_match_all('!<(style|script)(.*?)<\/(style|script)>!is', $content, $script_buff);
        for($i=0;$i<count($script_buff[0]);$i++)
        {
            $tmp_str = trim($script_buff[0][$i]);
            if(!$tmp_str) continue;
            $header_script .=  $tmp_str."\n";
        }

        return $header_script;
    }

    function getBodyScript($content)
    {
        // Extract content
        preg_match('!<body([^>]*)>(.*?)<\/body>!is', $content, $body_buff);
        $body_script = $body_buff[2];
        // Remove link, style, script, etc.
        $body_script = preg_replace('!<link([^>]*)>!is', '', $body_script);
        $body_script = preg_replace('!<(style|script)(.*?)<\/(style|script)>!is', '', $body_script);
        return $body_script;
    }

    function replaceSrc($content, $path)
    {
        $url_info = parse_url($path);
        $host = sprintf("%s://%s%s",$url_info['scheme'],$url_info['host'],$url_info['port']?':'.$url_info['port']:'');
        $this->host = $host.'/';
        $path = $url_info['path'];
        if(substr($path,-1)=='/') $path = substr($path,-1);
        $t = explode('/',$path);
        $_t = array();
        for($i=0,$c=count($t)-1;$i<$c;$i++)
        {
            $v = trim($t[$i]);
            if(!$v) continue;
            $_t[] = $v;
        }
        $path = $host.'/'.implode('/',$_t);
        if(substr($path,-1)!='/') $path .= '/';
        $this->path = $path;
        $content = preg_replace_callback('/(src=|href=|url\()("|\')?([^"\'\)]+)("|\'\))?/is',array($this,'_replacePath'),$content);

        return $content;
    }

    function _replacePath($matches)
    {
        $val = trim($matches[3]);
        if(preg_match('/^(http|https|ftp|telnet|mms|mailto)/i',$val)) return $matches[0];
        if(substr($val,0,2)=='./')
        {
            $path = $this->path.substr($val,2);
        }
        elseif(substr($val,0,1)=='/')
        {
            $path = $this->host.substr($val,1);
        }
        else
        {
            $path = $this->path.$val;
        }
        return sprintf("%s%s%s%s", $matches[1], $matches[2], $path, $matches[4]);
    }
}
/* End of file page.controller.php */
/* Location: ./modules/page/page.controller.php */