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Sample code, tutorial

Sådan benyttes komponenten Reader klassen

Først skal du inkludere den fil der beskriver komponenten, som en klasse fil

  • <?
    require_once(HTML_PACKAGE_PATH.'/Reader.php');
    ?>

Dernæst kan du enten benytte komponenten som et taglib (statiske metoder):

  • <?
    Reader
    ::display($param1, $param2, $param3, ...);
    ?>

eller du kan lave en instance af komponenten og benytte metoderne direkte:

  • <?
    $object
    = new Reader($param1, $param2, $param3, ...);
    print
    $object->getHtml();
    ?>

Parent html

Sådan vises komponenten Reader klassen

Reader.php

Read the content of the specified filename and language

Use default filename, if no language found

Usage:

  • $domainname = "finn-rasmussen.com";
  • $language = "en";
  • $filename = "demo.html";
  • $filepath = "."; // Current directory
  • $content = Reader::read($domainname,$language,$filename,$filepath);

Read the content of the specified filename

Usage:

  • $filename = "/var/doc/root/www/dir/content.txt";
  • $content = Reader::content($filename);

PHP source code

Den fulde PHP kildekode for Reader klassen

<?
/**
* @package base
* @see HTML_BASE_COMMON_PATH.'/Reader.php'
* @copyright (c) http://Finn-Rasmussen.com
* @license http://Finn-Rasmussen.com/license/ myPHP License conditions
* @author http://Finn-Rasmussen.com
* @version 1.10
* @since 22-feb-2007
*/

/**
* The required files
*/
if (defined('HTML_LOG_UTIL_PATH')) {
    require_once(
HTML_LOG_UTIL_PATH.'/Log.php');
}

/**
* The Reader class used during reading files from the filesystem
* <code>
* Usage:
*    $reader = new Reader();
*     $content = $reader->read();
* Or
*    $domainname = 'finn-rasmussen.com';
*    $language   = 'en';
*    $filename   = 'demo.html';
*    $filepath   = '.'; // Current directory
*    $content = Reader::read($domainname,$language,$filename,$filepath);
* Or
*    $file = '/var/www/html/test.php';
*    $content = Reader::content($file);
* </code>
*
* @package base
*/

class Reader {
    
/**
     * Constructor
     */
    
function Reader() {
    }

    
/**
     * Read the content of the specified filename and language
     * Use default filename, if no language found
     * <code>
     * Usage:
     *    $domainname = 'finn-rasmussen.com';
     *    $language   = 'en';
     *    $filename   = 'demo.html';
     *    $filepath   = '.'; // Current directory
     *    $content = Reader::read($domainname,$language,$filename,$filepath);
     * </code>
     * @static
     * @param  String $domainname The Domain Name to use
     * @param  String $language   The language to use
     * @param  String $filename   The filename to read
     * @param  String $filepath   The filepath to use
     * @return String The content or empty
     */
    
function read($domainname='',$language='',$filename='',$filepath='') {
        
$html = '';
        
$fileUrl = '';
        
$isLocal = true;
        
$theFile = Filename::calculate($domainname,$language,$filename,$filepath,$fileUrl,$isLocal);
        if (
$theFile != '') {
            
$html .= Reader::content($theFile);
        } else {
            if (
defined('DEBUG_LEVEL') && DEBUG_LEVEL & DEBUG_LEVEL_SHOW_INFO) {
                
$msg = "Reader::read(filename,language,domainname) Not found filename=".$filename.($domainname!=''?' where domainname='.$domainname:'').($language!=''?' where language='.$language:'');
                if (
defined('HTML_LOG_UTIL_PATH')) {
                    
//Log::debug(__FILE__,__LINE__,$msg);
                
} else {
                    
// Todo what ?
                
}
                
//$html .= '<!-- '.$msg." -->\r\n";
            
}
        }
        return
$html;
    }
    
    
/**
     * Read the content of the specified filename
     * <code>
     * Usage:
     *    $filename = '/var/doc/root/www/dir/content.txt';
     *    $content  = Reader::content($filename);
     * </code>
     * @static
     * @param  String $filename The filename to read
     * @return String The content or empty
     */
    
function content($filename) {
        
$html = '';
        
$contents = file_get_contents($filename);
        if (
$contents==false) {
            
$msg = 'Reader::content(), Not found, $filename='.$filename;
            if (
defined('HTML_LOG_UTIL_PATH')) {
                
Log::fatal(__FILE__,__LINE__,$msg);
            } else {
                
Message::add($msg,__FILE__,__LINE__);
            }
            
$html .= $msg;
        } else {
            
$html .= $contents;
        }
        return
$html;
    }
    
    
/**
     * Returns the html for the element
     * @sample
     * @return String The complete html
     */
    
function getHtml() {
        
$html  = "<h1>Reader.php</h2>\r\n";
        
$html .= "<p>Read the content of the specified filename and language\r\n";
        
$html .= "<p>Use default filename, if no language found\r\n";
        
$html .= "<p>Usage:</p>\r\n";
        
$html .= "<ul>\r\n";
        
$html .= '<li>$domainname = "finn-rasmussen.com";</li>'."\r\n";
        
$html .= '<li>$language   = "en";</li>'."\r\n";
        
$html .= '<li>$filename   = "demo.html";</li>'."\r\n";
        
$html .= '<li>$filepath   = "."; // Current directory</li>'."\r\n";
        
$html .= '<li>$content = Reader::read($domainname,$language,$filename,$filepath);</li>'."\r\n";
        
$html .= "</ul>\r\n";
        
$html .= "<p>Read the content of the specified filename</p>\r\n";
        
$html .= "<p>Usage:</p>\r\n";
        
$html .= "<ul>\r\n";
        
$html .= '<li>$filename = "/var/doc/root/www/dir/content.txt";</li>'."\r\n";
        
$html .= '<li>$content  = Reader::content($filename);</li>'."\r\n";
        
$html .= "</ul>\r\n";
        return
$html;
    }

}
?>

HTML source code

Den fulde HTML kildekode for Reader klassen

<?
<h1>Reader.php</h2>
<
p>Read the content of the specified filename and language
<p>Use default filename, if no language found
<p>Usage:</p>
<
ul>
<
li>$domainname = "finn-rasmussen.com";</li>
<
li>$language   = "en";</li>
<
li>$filename   = "demo.html";</li>
<
li>$filepath   = "."; // Current directory</li>
<li>$content = Reader::read($domainname,$language,$filename,$filepath);</li>
</
ul>
<
p>Read the content of the specified filename</p>
<
p>Usage:</p>
<
ul>
<
li>$filename = "/var/doc/root/www/dir/content.txt";</li>
<
li>$content  = Reader::content($filename);</li>
</
ul>

?>

Class methods

Her er 'klasse metoderne' for Reader klassen:

  • reader
  • read
  • content
  • gethtml

Object vars

Her er 'objekt variable' for Reader klassen:


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