Location: PHPKode > scripts > SmartTemplate > smarttemplate/class.smarttemplatedebugger.php
<?php
	/**
	* SmartTemplateDebugger Class
	* Used by SmartTemplate Class
	*
	* @author Philipp v. Criegern hide@address.com
	* @version 1.01 08.05.2002
	* @desc Used by SmartTemplate Class
	*/
	class SmartTemplateDebugger
	{
		/**
		* The template Filename
		*
		* @access private
		*/
		var $filename;

		/**
		* The template itself
		*
		* @access private
		*/
		var $template;

		/**
		* SmartTemplateParser Constructor
		*
		* @param string $template_filename HTML Template Filename
		*/
		function SmartTemplateDebugger ( $template_filename )
		{
			$this->filename  =  $template_filename;

			//	Load Template
	        if ($hd  =  @fopen($template_filename,  "r"))
	        {
		        $this->template  =  fread($hd,  filesize($template_filename));
		        fclose($hd);
		    }
		    else
		    {
		    	$this->template  =  "File not found: '$template_filename'";
		    }
			$this->tab[0]  =  '';
			for ($i=1;  $i < 10;  $i++) {
				$this->tab[$i]  =  str_repeat('    ', $i);
			}
		}


		/**
		* Main Template Parser
		*
		* @param string $compiled_template_filename Compiled Template Filename
		* @desc Creates Compiled PHP Template
		*/
		function start ( $vars )
		{
			$page  =  $this->template;

			$page  =  preg_replace("/(<!-- BEGIN [ a-zA-Z0-9_.]* -->)/",  "\n$1\n",  $page);
			$page  =  preg_replace("/(<!-- IF .+? -->)/",  "\n$1\n",  $page);
			$page  =  preg_replace("/(<!-- END.*? -->)/",  "\n$1\n",  $page);
			$page  =  preg_replace("/(<!-- ELSEIF .+? -->)/",  "\n$1\n",  $page);
			$page  =  preg_replace("/(<!-- ELSE [ a-zA-Z0-9_.]*-->)/",  "\n$1\n",  $page);

			$page  =  $this->highlight_html($page);

			$rows      =  explode("\n",  $page);
			$page_arr  =  array();
			$level     =  0;
			$blocklvl  =  0;
			$rowcnt    =  0;
			$spancnt   =  0;
			$offset    =  22;
			$lvl_block =  array();
			$lvl_row   =  array();
			$lvl_typ   =  array();
			foreach ($rows as $row)
			{
				if ($row  =  trim($row))
				{
					$closespan  =  false;
					if (substr($row, $offset, 12) == '&lt;!-- END ')
					{
						if ($level < 1)
						{
							$level++;
							$error[$rowcnt]  =  "END Without BEGIN";
						}
						elseif ($lvl_typ[$level] != 'BEGIN')
						{
							$error[$lvl_row[$level]]  =  "IF without ENDIF";
							$error[$rowcnt]  =  "END Without BEGIN";
						}
						$blocklvl--;
						$level--;
						$closespan  =  true;
					}
					if (substr($row, $offset, 14) == '&lt;!-- ENDIF ')
					{
						if ($level < 1)
						{
							$level++;
							$error[$rowcnt]  =  "ENDIF Without IF";
						}
						elseif ($lvl_typ[$level] != 'IF')
						{
							$error[$lvl_row[$level]]  =  "BEGIN without END";
							$error[$rowcnt]  =  "ENDIF Without IF";
						}
						$closespan  =  true;
						$level--;
					}
					if ($closespan)
					{
						$page_arr[$rowcnt-1]  .=  '</span>';
					}
					$this_row  =  $this->tab[$level] . $row;
					if (substr($row, $offset, 12) == '&lt;!-- ELSE')
					{
						if ($level < 1)
						{
							$error[$rowcnt]  =  "ELSE Without IF";
						}
						elseif ($lvl_typ[$level] != 'IF')
						{
							$error[$rowcnt]  =  "ELSE Without IF";
						}
						else
						{
							$this_row  =  $this->tab[$level-1] . $row;
						}
					}
					if (substr($row, $offset, 14) == '&lt;!-- BEGIN ')
					{
						if ($blocklvl == 0)
						{
							if ($lp = strpos($row, '--&gt;'))
							{
								if ($blockname  =  trim(substr($row, $offset + 14, $lp -$offset -14)))
								{
									if ($nr = count($vars[$blockname]))
									{
										$this_row  .=  $this->toggleview("$nr Entries");
									}
									else
									{
										$this_row  .=  $this->toggleview("Emtpy");
									}
								}
							}
						}
						else
						{
							$this_row  .=  $this->toggleview('[');
						}
						$blocklvl++;
						$level++;
						$lvl_row[$level]  =  $rowcnt;
						$lvl_typ[$level]  =  'BEGIN';
					}
					elseif (substr($row, $offset, 11) == '&lt;!-- IF ')
					{
						$level++;
						$lvl_row[$level]  =  $rowcnt;
						$lvl_typ[$level]  =  'IF';
						$this_row  .=  $this->toggleview();
					}
					$page_arr[]  =  $this_row;
					$lvl_block[$rowcnt]  =  $blocklvl;
					$rowcnt++;
				}
			}
			if ($level > 0)
			{
				$error[$lvl_row[$level]]  =  "Block not closed";
			}

			$page  =  join("\n", $page_arr);
			$rows  =  explode("\n",  $page);
			$cnt   =  count($rows);

			for ($i = 0;  $i < $cnt;  $i++)
			{
				//	Add Errortext
				if ($err = $error[$i])
				{
					$rows[$i]  =  '<b>' . $rows[$i] . '        ERROR: ' . $err . '!</b>';
				}

				//	Replace Scalars
				if (preg_match_all('/{([a-zA-Z0-9_. &;]+)}/', $rows[$i], $var))
				{
					foreach ($var[1] as $tag)
					{
						$fulltag  =  $tag;
						if ($delim = strpos($tag, ' &gt; '))
						{
							$tag  =  substr($tag, 0, $delim);
						}
						if (substr($tag, 0, 4) == 'top.')
						{
							$title  =  $this->tip($vars[substr($tag, 4)]);
						}
						elseif ($lvl_block[$i] == 0)
						{
							$title  =  $this->tip($vars[$tag]);
						}
						else
						{
							$title  =  '[BLOCK?]';
						}
						$code  =  '<b title="' . $title . '">{' . $fulltag . '}</b>';
						$rows[$i]  =  str_replace('{'.$fulltag.'}',  $code,  $rows[$i]);
					}
				}

				//	Replace Extensions
				if (preg_match_all('/{([a-zA-Z0-9_]+):([^}]*)}/', $rows[$i], $var))
				{
					foreach ($var[2] as $tmpcnt => $tag)
					{
						$fulltag  =  $tag;
						if ($delim = strpos($tag, ' &gt; '))
						{
							$tag  =  substr($tag, 0, $delim);
						}
						if (strpos($tag, ','))
						{
							list($tag, $addparam)  =  explode(',', $tag, 2);
						}
						$extension  =  $var[1][$tmpcnt];

						if (substr($tag, 0, 4) == 'top.')
						{
							$title  =  $this->tip($vars[substr($tag, 4)]);
						}
						elseif ($lvl_block[$i] == 0)
						{
							$title  =  $this->tip($vars[$tag]);
						}
						else
						{
							$title  =  '[BLOCK?]';
						}
						$code  =  '<b title="' . $title . '">{' . $extension . ':' . $fulltag . '}</b>';
						$rows[$i]  =  str_replace('{'.$extension . ':' . $fulltag .'}',  $code,  $rows[$i]);
					}
				}

				//	'IF nnn' Blocks
				if (preg_match_all('/&lt;!-- IF ([a-zA-Z0-9_.]+) --&gt;/', $rows[$i], $var))
				{
					foreach ($var[1] as $tag)
					{
						if (substr($tag, 0, 4) == 'top.')
						{
							$title  =  $this->tip($vars[substr($tag, 4)]);
						}
						elseif ($lvl_block[$i] == 0)
						{
							$title  =  $this->tip($vars[$tag]);
						}
						else
						{
							$title  =  '[BLOCK?]';
						}
						$code  =  '<span title="' . $title . '">&lt;!-- IF ' . $tag . ' --&gt;</span>';
						$rows[$i]  =  str_replace("&lt;!-- IF $tag --&gt;",  $code,  $rows[$i]);
						if ($title == '[NULL]')
						{
							$rows[$i]  =  str_replace('Hide',  'Show',  $rows[$i]);
							$rows[$i]  =  str_replace('block',  'none',  $rows[$i]);
						}
					}
				}
			}
			$page  =  join("<br>", $rows);

			// Print Header
			echo '<html><head><script type="text/javascript">
					function toggleVisibility(el, src) {
					var v = el.style.display == "block";
					var str = src.innerHTML;
					el.style.display = v ? "none" : "block";
					src.innerHTML = v ? str.replace(/Hide/, "Show") : str.replace(/Show/, "Hide");}
					</script></head><body>';

			// Print Index
			echo '<font face="Arial" Size="3"><b>';
			echo 'SmartTemplate Debugger<br>';
			echo '<font size="2"><li>PHP-Script: ' . $_SERVER['PATH_TRANSLATED'] . '</li><li>Template: ' . $this->filename . '</li></font><hr>';
			echo '<li><a href="#template_code">Template</a></li>';
			echo '<li><a href="#compiled_code">Compiled Template</a></li>';
			echo '<li><a href="#data_code">Data</a></li>';
			echo '</b></font><hr>';

			// Print Template
			echo '<a name="template_code"><br><font face="Arial" Size="3"><b>Template:</b>&nbsp;[<a href="javascript:void(\'\');" onclick="toggleVisibility(document.getElementById(\'Template\'), this); return false">Hide Ouptut</a>]</font><br>';
			echo '<table border="0" cellpadding="4" cellspacing="1" width="100%" bgcolor="#C6D3EF"><tr><td bgcolor="#F0F0F0"><pre id="Template" style="display:block">';
			echo $page;
			echo '</pre></td></tr></table>';

			// Print Compiled Template
			include_once ("class.smarttemplateparser.php");
			$parser = new SmartTemplateParser($this->filename);
			$compiled  =  $parser->compile();
			echo '<a name="compiled_code"><br><br><font face="Arial" Size="3"><b>Compiled Template:</b>&nbsp;[<a href="javascript:void(\'\');" onclick="toggleVisibility(document.getElementById(\'Compiled\'), this); return false">Hide Ouptut</a>]</font><br>';
			echo '<table border="0" cellpadding="4" cellspacing="1" width="100%" bgcolor="#C6D3EF"><tr><td bgcolor="#F0F0F0"><pre id="Compiled" style="display:block">';
			highlight_string($compiled);
			echo '</pre></td></tr></table>';

			// Print Data
			echo '<a name="data_code"><br><br><font face="Arial" Size="3"><b>Data:</b>&nbsp;[<a href="javascript:void(\'\');" onclick="toggleVisibility(document.getElementById(\'Data\'), this); return false">Hide Ouptut</a>]</font><br>';
			echo '<table border="0" cellpadding="4" cellspacing="1" width="100%" bgcolor="#C6D3EF"><tr><td bgcolor="#F0F0F0"><pre id="Data" style="display:block">';
			echo $this->vardump($vars);
			echo '</pre></td></tr></table></body></html>';
		}


		/**
		* Insert Hide/Show Layer Switch
		*
		* @param string $suffix Additional Text
		* @desc Insert Hide/Show Layer Switch
		*/
		function toggleview ( $suffix = '')
		{
			global $spancnt;

			$spancnt++;
			if ($suffix)
			{
				$suffix  .=  ':';
			}
			return '[' . $suffix . '<a href="javascript:void(\'\');" onclick="toggleVisibility(document.getElementById(\'Block' . $spancnt . '\'), this); return false">Hide Block</a>]<span id="Block' . $spancnt . '" style="display:block">';
		}


		/**
		* Create Title Text
		*
		* @param string $value Content
		* @desc Create Title Text
		*/
		function tip ( $value )
		{
			if (empty($value))
			{
				return "[NULL]";
			}
			else
			{
				return htmlentities(substr($value,0,200));
			}
		}


		/**
		* Recursive Variable Display Output
		*
		* @param mixed $var Content
		* @param int $depth Incremented Indent Counter for Recursive Calls
		* @return string Variable Content
		* @access private
		* @desc Recursive Variable Display Output
		*/
	    function vardump($var, $depth = 0)
	    {
	        if (is_array($var))
	        {
	            $result  =  "Array (" . count($var) . ")<BR>";
	            foreach(array_keys($var) as $key)
	            {
	                $result  .=  $this->tab[$depth] . "<B>$key</B>: " . $this->vardump($var[$key],  $depth+1);
	            }
	            return $result;
	        }
	        else
	        {
	            return htmlentities($var) . "<BR>";
	        }
	    }


		/**
		* Splits Template-Style Variable Names into an Array-Name/Key-Name Components
		*
		* @param string $tag Variale Name used in Template
		* @return array  Array Name, Key Name
		* @access private
		* @desc Splits Template-Style Variable Names into an Array-Name/Key-Name Components
		*/
		function var_name($tag)
		{
			$parent_level  =  0;
			while (substr($tag, 0, 7) == 'parent.')
			{
				$tag  =  substr($tag, 7);
				$parent_level++;
			}
			if (substr($tag, 0, 4) == 'top.')
			{
				return array('_stack[0]', substr($tag,4));
			}
			elseif ($parent_level)
			{
				return array('_stack[$_stack_cnt-'.$parent_level.']', $tag);
			}
			else
			{
				return array('_obj', $tag);
			}
		}


		/**
		* Highlight HTML Source
		*
		* @param string $code HTML Source
		* @return string Hightlighte HTML Source
		* @access private
		* @desc Highlight HTML Source
		*/
		function highlight_html ( $code )
		{
			$code  =  htmlentities($code);
			$code  =  preg_replace('/([a-zA-Z_]+)=/',  '<font color="#FF0000">$1=</font>',  $code);
			$code  =  preg_replace('/(&lt;[\/a-zA-Z0-9&;]+)/',  '<font color="#0000FF">$1</font>',  $code);
			$code  =  str_replace('&lt;!--',  '<font color="#008080">&lt;!--',  $code);
			$code  =  str_replace('--&gt;',  '--&gt;</font>',  $code);
			$code  =  preg_replace('/[\r\n]+/',  "\n",  $code);
			return $code;
		}

	}

?>
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