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<?php
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/**
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* @package fwolflib
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* @copyright Copyright 2004-2007, Fwolf
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* @author Fwolf <[email protected]>
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*/
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/**
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* Generate web pages
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*
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* @package fwolflib
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* @copyright Copyright 2004-2007, Fwolf
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* @author Fwolf <[email protected]>
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* @since 2004-4-13 22:50:52
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* @access public
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* @version $Id$
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*/
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class Pages
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{
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/**
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* Debug mode
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* @access protected
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* @var boolean
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*/
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protected $mDebug = false;
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/**
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* Parts of html heads, this is NOT html code
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* Sample value: 'meta'=>array('..', '...'), 'title'='...'
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* @access protected
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* @var array
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*/
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protected $mHead = array();
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/**
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* Parts of html code before <head>, this is NOT html code
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* Sample value: 'xml'=>array('..', '...'), 'doctype'=>'...'
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* @access protected
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* @var array
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*/
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protected $mHeadahead = array();
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/**
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* Result html content
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* $mHtml = $mHtmlHeadahead + $mHtmlHead + $mHtmlBody
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* And + some <marks> between these parts.
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* @access protected
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* @var string
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*/
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protected $mHtml = '';
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/**
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* Html content part of body
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* Code of '<body>' part.
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* @access protected
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* @var string
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*/
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protected $mHtmlBody = '';
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/**
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* Html content part of head
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* Code of '<head>' part.
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* @access protected
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* @var string
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*/
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protected $mHtmlHead = '';
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/**
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* Html content part of html_head
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* Code ahead of '<head>', xml, doctype & html marks.
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* @access protected
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* @var string
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*/
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protected $mHtmlHeadahead = '';
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/**
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* 构造函数
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*/
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function __construct()
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{
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//开始输出缓冲区
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ob_start();
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//开始SESSION
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//调试程序的时候因为程序经常改动，所以不使用CACHE
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if (true == $this->mDebug)
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session_cache_limiter('private,must-revalidate');
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session_start();
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} // end of func __construct
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/**
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* 显示网页正式内容
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* @param boolean $return Return contents instead of print out.
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* @access public
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*/
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public function Display($return=false)
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{
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if (empty($this->mHtml))
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$this->GenHtml();
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if (true == $return)
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return $this->mHtml;
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else{
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echo $this->mHtml;
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//结束输出缓冲区，输出内容
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ob_end_flush();
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}
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} // end of func Display
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/**
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* Generate body part of html code
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* @access protected
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* @return string
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*/
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abstract protected function GenBody();
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/**
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* Generate head part of html code
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* @access proteced
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* @return string
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*/
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protected function GenHead()
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{
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$this->mHtmlHeadahead = '';
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// Xml format declaration
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if (array_key_exists('xml', $this->mHeadahead))
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$this->mHtmlHeadahead .= $this->GenHeadXml() . "\n";
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// Doctype
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} // end of func GenHead
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/**
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* Generate xml declaration part of head_ahead
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* $this->mHeadahead['xml'] = array('version'=>'1.0', 'encoding'='utf-8')
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* @access protected
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* @return string
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*/
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protected function GenHeadXml()
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{
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if (array_key_exists('xml', $this->mHeadahead)) {
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$ar = $this->mHeadahead['xml'];
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return "<?xml version=\"{$ar['version']}\" encoding=\"{$ar['encoding']}\"?>";
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}
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else
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return '';
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} // end of func GenHeadXml
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/**
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* Generate html code from joining several parts
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* @access protected
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* @return string
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*/
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protected function GenHtml()
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{
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$this->mHtml = '';
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$this->mHtml .= $this->GenHead;
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$this->mHtml .= $this->GenBody;
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$this->mHtml .= "</body>\n</html>";
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return $this->mHtml;
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} // end of func GenHtml
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/**
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* Set xml part of head_ahead
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* @access public
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* @param string $version
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* @param string $encoding
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*/
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public function SetHeadXml($version = '1.0', $encoding='utf-8') {
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$this->mHeadahead['xml']['version'] = $version;
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$this->mHeadahead['xml']['encoding'] = $encoding;
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} // end of func SetHeadXml
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} // end of class Pages
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182
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?> |
fwolf /
fwlib
Fwolf
Loading history...
When comparing two booleans, it is generally considered safer to use the strict comparison operator.