HTML预览 正则替换

HTML预览 正则替换

	/**
	 * HTML替换处理类，考虑如下几种替换
	 * 1. img src   : '/]+?)/i'
	 * 2. a href    : '/]+?)/i'
	 * 3. ifram.src : '/]+?)/i'<li>	 * 4. frame src : '/<frame>]+?)/i'</li>
<li>	 * 5. js        : '/window.open([( ]+?)([\'" ]+?)(.+?)([ )+?])/i'</li>
<li>	 * 6. css       : '/background(.+?)url([( ])([\'" ]+?)(.+?)([ )+?])/i'</li>
<li>	 */</li>
<li>	class Myreplace {</li>
<li>		private $moudle_array = array('udata','tdata','tresult','dresult');</li>
<li>		private $content;</li>
<li>		private $relative_dirname;</li>
<li>		private $projectid;</li>
<li>		private $moudle;</li>
<li>		function __construct() {</li>
<li>			$this->CI = &get_instance ();</li>
<li>		}</li>
<li>		</li>
<li>		/**</li>
<li>		 * 替换</li>
<li>		 * @param 	string 	$content	HTML内容</li>
<li>		 * @param 	string 	$relative	相对路径</li>
<li>		 * @param 	int	 	$projectid	项目id</li>
<li>		 * @moudle	string	$moudle		模板标识: udata,tdata,tresult,dresult</li>
<li>		 */</li>
<li>		public function my_replace($content,$relative,$projectid,$moudle) {</li>
<li>			$this->content = $content;</li>
<li>			$this->relative_dirname = $relative;</li>
<li>			$this->projectid = $projectid;</li>
<li>			if(in_array(strtolower($moudle),$this->moudle_array))</li>
<li>				$this->moudle = $moudle;</li>
<li>			else exit;</li>
<li>			switch($this->moudle) {</li>
<li>				case 'udata':</li>
<li>					$this->CI->load->model('mupload_data','model');</li>
<li>					break;</li>
<li>				case 'tdata':</li>
<li>					$this->CI->load->model('taskdata','model');</li>
<li>					break;</li>
<li>				case 'tresult':</li>
<li>					$this->CI->load->model('taskresult','model');</li>
<li>					break;</li>
<li>				case 'dresult':</li>
<li>					$this->CI->load->model('dmsresult','model');</li>
<li>					break;</li>
<li>				default:</li>
<li>					break;</li>
<li>			}</li>
<li>				</li>
<li>			$pattern = '/<img  alt="HTML预览 正则替换 " >]+?)/i';</li>
<li>			$content = preg_replace_callback( $pattern, array($this, 'image_replace') , $content );</li>
<li>			$pattern = '/<a>]+?)/i';<li>			$content = preg_replace_callback( $pattern, array($this, 'html_replace') , $content );</li>
<li>			$pattern = '/<iframe>]+?)/i';<li>			$content = preg_replace_callback( $pattern, array($this, 'iframe_replace') , $content );</li>
<li>			$pattern = '/<frame>]+?)/i'; </li>
<li>			$content = preg_replace_callback( $pattern, array($this, 'frame_replace'), $content );</li>
<li>			$pattern = '/window.open([( ]+?)([\'" ]+?)(.+?)([ )]+?)/i';</li>
<li>			$content = preg_replace_callback( $pattern, array($this, 'js_replace'), $content );</li>
<li>			$pattern = '/background(.+?)url([( ])([\'" ]+?)(.+?)([ )+?])/i';</li>
<li>			$content = preg_replace_callback( $pattern, array($this, 'css_replace'), $content);</li>
<li>			return $content;</li>
<li>		}</li>
<li>				</li>
<li>		private function image_replace($matches) {</li>
<li>			if(count($matches) 			if( empty($matches[3]) ) return '';</li>
<li>			$matches[3] = rtrim($matches[3],'\'"/');</li>
<li>			//获取图片的id</li>
<li>			$parent_dir_num = substr_count( $matches[3], '../');</li>
<li>			$relative_dirname = $this->relative_dirname;</li>
<li>			for($i=0; $i				$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );</li>
<li>			}</li>
<li>			$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($matches[3],'./');</li>
<li>			$image_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);</li>
<li>			//输出</li>
<li>			if( !empty($image_id) ) {</li>
<li>				if($this->moudle == 'dresult') {</li>
<li>					return "<img  alt="HTML预览 正则替换 " >CI->config->item("base_url")."cdms/".$this->moudle."/readpic/$image_id?pid=".$this->projectid .$matches[2]. $matches[4];</li>
<li>				} else {</li>
<li>					return "<img  alt="HTML预览 正则替换 " >CI->config->item("base_url")."cdms/".$this->moudle."/picfile/$image_id?pid=".$this->projectid .$matches[2]. $matches[4];</li>
<li>				}</li>
<li>			} else {</li>
<li>				return "<img  alt="HTML预览 正则替换 " >			}</li>
<li>		}</li>
<li>		</li>
<li>		private function html_replace( $matches ) {</li>
<li>			if(count($matches) 			if( empty($matches[3]) ) return '';</li>
<li>			//如果href的链接($matches[3])以http或www或mailto开始，则不进行处理</li>
<li>			//if(preg_match('/^[http|www|mailto](.+?)/i',$matches[3])) </li>
<li>			//	return "<a>			$matches[3] = rtrim($matches[3],'\'"/');<li>			//处理锚点</li>
<li>			if(substr_count($matches[3],'#')>0) </li>
<li>				$matches[3] = substr($matches[3],0,strrpos($matches[3],'#'));			</li>
<li>			//获取html的id</li>
<li>			$parent_dir_num = substr_count( $matches[3], '../');</li>
<li>			$relative_dirname = $this->relative_dirname;</li>
<li>			for($i=0; $i				$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );</li>
<li>			}</li>
<li>			$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($matches[3],'./');</li>
<li>			$txtfile_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);</li>
<li>			//输出</li>
<li>			if( !empty($txtfile_id ) ) {</li>
<li>				if($this->moudle == 'dresult') {</li>
<li>					return "<a>CI->config->item("base_url")."cdms/".$this->moudle."/readfile/$txtfile_id?pid=".$this->projectid .$matches[2].$matches[4];<li>				} else {</li>
<li>					return "<a>CI->config->item("base_url")."cdms/".$this->moudle."/txtfile/$txtfile_id?pid=".$this->projectid .$matches[2].$matches[4];<li>				}</li>
<li>			} else {</li>
<li>				return "<a>			}<li>		}</li>
<li>		</li>
<li>		private function iframe_replace( $matches ) {</li>
<li>			if(count($matches) 			if( empty($matches[3]) ) return '';</li>
<li>			$matches[3] = rtrim($matches[3],'\'"/');</li>
<li>			</li>
<li>			//处理锚点</li>
<li>			if(substr_count($matches[3],'#')>0) </li>
<li>				$matches[3] = substr($matches[3],0,strrpos($matches[3],'#'));</li>
<li>			//获取html的id</li>
<li>			$parent_dir_num = substr_count( $matches[3], '../');</li>
<li>			$relative_dirname = $this->relative_dirname;</li>
<li>			for($i=0; $i				$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );</li>
<li>			}</li>
<li>			$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($matches[3],'./');</li>
<li>			$txtfile_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);</li>
<li>			//输出</li>
<li>			if( !empty($txtfile_id ) ) {</li>
<li>				if($this->moudle == 'dresult') {		</li>
<li>					return "<iframe>CI->config->item("base_url")."cdms/".$this->moudle."/readfile/$txtfile_id?pid=".$this->projectid .$matches[2].$matches[4];<li>				} else {</li>
<li>					return "<iframe>CI->config->item("base_url")."cdms/".$this->moudle."/txtfile/$txtfile_id?pid=".$this->projectid .$matches[2].$matches[4];<li>				}</li>
<li>			} else {</li>
<li>				return "<iframe>			}<li>		}</li>
<li>		</li>
<li>		private function frame_replace( $matches ) {			</li>
<li>			if(count($matches) 			if( empty($matches[3]) ) return '';</li>
<li>			$matches[3] = rtrim($matches[3],'\'"/');</li>
<li>			//处理锚点</li>
<li>			if(substr_count($matches[3],'#')>0) </li>
<li>				$matches[3] = substr($matches[3],0,strrpos($matches[3],'#'));</li>
<li>			//获取html的id</li>
<li>			$parent_dir_num = substr_count( $matches[3], '../');</li>
<li>			$relative_dirname = $this->relative_dirname;</li>
<li>			for($i=0; $i				$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );</li>
<li>			}</li>
<li>			$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($matches[3],'./');</li>
<li>			$txtfile_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);</li>
<li>			//输出</li>
<li>			if( !empty($txtfile_id ) ) {</li>
<li>				if($this->moudle == 'dresult') {	</li>
<li>					return "<frame>CI->config->item("base_url")."cdms/".$this->moudle."/readfile/$txtfile_id?pid=".$this->projectid.$matches[2].$matches[4];</li>
<li>				} else {</li>
<li>					return "<frame>CI->config->item("base_url")."cdms/".$this->moudle."/txtfile/$txtfile_id?pid=".$this->projectid.$matches[2].$matches[4];</li>
<li>				}</li>
<li>			} else {</li>
<li>				return "<frame>			}</li>
<li>		}</li>
<li>		</li>
<li>		private function js_replace( $matches ){</li>
<li>			if(count($matches) 			if( empty($matches[3]) ) return '';</li>
<li>			//处理链接</li>
<li>			$arr_html = split(',',$matches[3]);</li>
<li>			$href = $arr_html[0];</li>
<li>			$other = '';</li>
<li>			for($i=0; $i<count>				$other = $arr_html[$i].", ";<li>			$other = rtrim($other,"\, ");</li>
<li>			$href =rtrim($href,'\'\"');</li>
<li>			//处理锚点</li>
<li>			if(substr_count($href,'#')>0) </li>
<li>				return "window.open".$matches[1].$matches[2].$matches[3].$matches[4];;</li>
<li>			//获取html的id</li>
<li>			$parent_dir_num = substr_count( $href, '../');</li>
<li>			$relative_dirname = $this->relative_dirname;</li>
<li>			for($i=0; $i				$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );</li>
<li>			}</li>
<li>			$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($href,'./');</li>
<li>			$txtfile_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);</li>
<li>			//输出</li>
<li>			if( !empty($txtfile_id ) ) {</li>
<li>				if($this->moudle == 'dresult') {	</li>
<li>					return "window.open".$matches[1].$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/readfile/$txtfile_id?pid=".$this->projectid.$matches[2].','.$other.$matches[4];</li>
<li>				} else {</li>
<li>					return "window.open".$matches[1].$matches[2].$this->CI->config->item("base_url")."cdms/".$this->moudle."/txtfile/$txtfile_id?pid=".$this->projectid.$matches[2].','.$other.$matches[4];</li>
<li>				}</li>
<li>			} else {</li>
<li>				return "window.open".$matches[1].$matches[2].$matches[3].$matches[4];</li>
<li>			}</li>
<li>		}</li>
<li>		</li>
<li>		private function css_replace( $matches ) {</li>
<li>			if(count($matches) 			if( empty($matches[4]) ) return '';</li>
<li>			</li>
<li>			$matches[4] = rtrim($matches[4],'\'"/');</li>
<li>			//获取图片的id</li>
<li>			$parent_dir_num = substr_count( $matches[4], '../');</li>
<li>			$relative_dirname = $this->relative_dirname;</li>
<li>			for($i=0; $i				$relative_dirname = substr( $relative_dirname, 0, strrpos($relative_dirname,"/") );</li>
<li>			}</li>
<li>			$relativepath = rtrim($relative_dirname,'/') . '/'.ltrim($matches[4],'./');</li>
<li>			$image_id = $this->CI->model->get_id_by_path_and_project($relativepath,$this->projectid);</li>
<li>			//输出</li>
<li>			if( !empty($image_id) ) {</li>
<li>				if($this->moudle == 'dresult') {</li>
<li>					return "background".$matches[1]."url".$matches[2].$matches[3].$this->CI->config->item("base_url")."cdms/".$this->moudle."/readpic/$image_id?pid=".$this->projectid .$matches[3]. $matches[5];</li>
<li>				} else {</li>
<li>					return "background".$matches[1]."url".$matches[2].$matches[3].$this->CI->config->item("base_url")."cdms/".$this->moudle."/picfile/$image_id?pid=".$this->projectid .$matches[3]. $matches[5];</li>
<li>				}</li>
<li>			} else {</li>
<li>				return "background".$matches[1]."url".$matches[2].$matches[3].$matches[4].$matches[3].$matches[5];</li>
<li>			}</li>
<li>		}</li>
<li>	}</li>
<li>
<li>/* End of Myreplace.php */</li>
<li>/* Location: /application/libraries/Myreplace.php */</li></count>
</li>