dbug.class

Ir para a documentação deste ficheiro.

<?php
//error_reporting(E_ALL);
 
?>
<script language="JavaScript">
/* code modified from ColdFusion's cfdump code */
    function dBug_toggleRow(source) {
        target=(document.all) ? source.parentElement.cells[1] : source.parentNode.lastChild
        dBug_toggleTarget(target,dBug_toggleSource(source));
    }
    
    function dBug_toggleSource(source) {
        if (source.style.fontStyle=='italic') {
            source.style.fontStyle='normal';
            source.title='click to collapse';
            return 'open';
        } else {
            source.style.fontStyle='italic';
            source.title='click to expand';
            return 'closed';
        }
    }
 
    function dBug_toggleTarget(target,switchToState) {
        target.style.display=(switchToState=='open') ? '' : 'none';
    }
 
    function dBug_toggleTable(source) {
        var switchToState=dBug_toggleSource(source);
        if(document.all) {
            var table=source.parentElement.parentElement;
            for(var i=1;i<table.rows.length;i++) {
                target=table.rows[i];
                dBug_toggleTarget(target,switchToState);
            }
        }
        else {
            var table=source.parentNode.parentNode;
            for (var i=1;i<table.childNodes.length;i++) {
                target=table.childNodes[i];
                if(target.style) {
                    dBug_toggleTarget(target,switchToState);
                }
            }
        }
    }
</script>
 
<style type="text/css">
    table.dBug_array,table.dBug_object,table.dBug_resource,table.dBug_resourceC,table.dBug_xml {
        font-family:Verdana, Arial, Helvetica, sans-serif; color:#000000; font-size:12px;
    }
    
    .dBug_arrayHeader,
    .dBug_objectHeader,
    .dBug_resourceHeader,
    .dBug_resourceCHeader,
    .dBug_xmlHeader 
        { font-weight:bold; color:#FFFFFF; }
    
    /* array */
    table.dBug_array { background-color:#006600; }
    table.dBug_array td { background-color:#FFFFFF; }
    table.dBug_array td.dBug_arrayHeader { background-color:#009900; }
    table.dBug_array td.dBug_arrayKey { background-color:#CCFFCC; }
    
    /* object */
    table.dBug_object { background-color:#0000CC; }
    table.dBug_object td { background-color:#FFFFFF; }
    table.dBug_object td.dBug_objectHeader { background-color:#4444CC; }
    table.dBug_object td.dBug_objectKey { background-color:#CCDDFF; }
    
    /* resource */
    table.dBug_resourceC { background-color:#884488; }
    table.dBug_resourceC td { background-color:#FFFFFF; }
    table.dBug_resourceC td.dBug_resourceCHeader { background-color:#AA66AA; }
    table.dBug_resourceC td.dBug_resourceCKey { background-color:#FFDDFF; }
    
    /* resource */
    table.dBug_resource { background-color:#884488; }
    table.dBug_resource td { background-color:#FFFFFF; }
    table.dBug_resource td.dBug_resourceHeader { background-color:#AA66AA; }
    table.dBug_resource td.dBug_resourceKey { background-color:#FFDDFF; }
    
    /* xml */
    table.dBug_xml { background-color:#888888; }
    table.dBug_xml td { background-color:#FFFFFF; }
    table.dBug_xml td.dBug_xmlHeader { background-color:#AAAAAA; }
    table.dBug_xml td.dBug_xmlKey { background-color:#DDDDDD; }
</style>
 
<?php
class dBug {
    
    var $xmlDepth=array();
    var $xmlCData;
    var $xmlSData;
    var $xmlDData;
    var $xmlCount=0;
    var $xmlAttrib;
    var $xmlName;
    var $arrType=array("array","object","resource","boolean");
    
    //constructor
    function dBug($var,$forceType="") {
        $arrAccept=array("array","object","xml"); //array of variable types that can be "forced"
        if(in_array($forceType,$arrAccept))
            $this->{"varIs".ucfirst($forceType)}($var);
        else
            $this->checkType($var);
    }
    
    //create the main table header
    function makeTableHeader($type,$header,$colspan=2) {
        echo "<table cellspacing=2 cellpadding=3 class=\"dBug_".$type."\">
                <tr>
                    <td class=\"dBug_".$type."Header\" colspan=".$colspan." style=\"cursor:hand\" onClick='dBug_toggleTable(this)'>".$header."</td>
                </tr>";
    }
    
    //create the table row header
    function makeTDHeader($type,$header) {
        echo "<tr>
                <td valign=\"top\" onClick='dBug_toggleRow(this)' style=\"cursor:hand\" class=\"dBug_".$type."Key\">".$header."</td>
                <td>";
    }
    
    //close table row
    function closeTDRow() {
        return "</td>\n</tr>\n";
    }
    
    //error
    function  error($type) {
        $error="Error: Variable is not a";
        //thought it would be nice to place in some nice grammar techniques :)
        // this just checks if the type starts with a vowel or "x" and displays either "a" or "an"
        if(in_array(substr($type,0,1),array("a","e","i","o","u","x")))
            $error.="n";
        return ($error." ".$type." type");
    }
 
    //check variable type
    function checkType($var) {
        switch(gettype($var)) {
            case "resource":
                $this->varIsResource($var);
                break;
            case "object":
                $this->varIsObject($var);
                break;
            case "array":
                $this->varIsArray($var);
                break;
            case "boolean":
                $this->varIsBoolean($var);
                break;
            default:
                $var=($var=="") ? "[empty string]" : $var;
 
                $additional = ($var == "[empty string]") ? '' : ' ('. gettype($var) . ', length: ' . strlen($var) .')';
 
                echo "<table cellspacing=1 class='dBug_array'><tr>\n<td class='dBug_arrayKey'>\n<pre>".$var."</pre></td>\n<td>\n". $additional ."</td>\n</tr>\n</table>\n";
                break;
        }
    }
    
    //<pre><font color='#bb00bb'>
    
    //if variable is a boolean type
    function varIsBoolean($var) {
        $var=($var==1) ? "TRUE" : "FALSE";
        echo $var;
    }
            
    //if variable is an array type
    function varIsArray($var) {
        $this->makeTableHeader("array","array of size " . count($var));
        if(is_array($var)) {
            foreach($var as $key=>$value) {
                $this->makeTDHeader("array",$key);
                if(in_array(gettype($value),$this->arrType))
                    $this->checkType($value);
                else {
                    $value=(trim($value)=="") ? "[empty string]" : $value;
                    $additional = ($value == "[empty string]") ? '' : ' ('. gettype($value) . ', length: ' . strlen($value) .')';
                    
                    echo $value."</td>\n<td>\n ". $additional ."</td>\n</tr>\n";
                }
            }
        }
        else echo "<tr><td>".$this->error("array").$this->closeTDRow();
        echo "</table>";
    }
    
    //if variable is an object type
    function varIsObject($var) {
        $this->makeTableHeader("object", "object of type " . get_class($var));
        $arrObjVars=get_object_vars($var);
        if(is_object($var)) {
            foreach($arrObjVars as $key=>$value) {
                $value=(trim($value)=="") ? "[empty string]" : $value;
                
                $additional = ($value == "[empty string]") ? '' : ' ('. gettype($value) . ', length: ' . strlen($value) .')';
                
                $this->makeTDHeader("object",$key);
                if(in_array(gettype($value),$this->arrType))
                    $this->checkType($value);
                else echo $value . $additional .$this->closeTDRow();
            }
            $arrObjMethods=get_class_methods(get_class($var));
            foreach($arrObjMethods as $key=>$value) {
                $this->makeTDHeader("object",$value);
                echo "[method]".$this->closeTDRow();
            }
        }
        else echo "<tr><td>".$this->error("object").$this->closeTDRow();
        echo "</table>";
    }
 
    //if variable is a resource type
    function varIsResource($var) {
        $this->makeTableHeader("resourceC","resource of type ".get_resource_type($var),1);
        echo "<tr>\n<td>\n";
        switch(get_resource_type($var)) {
            case "fbsql result":
            case "mssql result":
            case "msql query":
            case "pgsql result":
            case "sybase-db result":
            case "sybase-ct result":
            case "mysql result":
                $db=current(explode(" ",get_resource_type($var)));
                $this->varIsDBResource($var,$db);
                break;
            case "gd":
                $this->varIsGDResource($var);
                break;
            case "xml":
                $this->varIsXmlResource($var);
                break;
            default:
                echo get_resource_type($var).$this->closeTDRow();
                break;
        }
        echo $this->closeTDRow()."</table>\n";
    }
    
    //if variable is an xml type
    function varIsXml($var) {
        $this->varIsXmlResource($var);
    }
    
    //if variable is an xml resource type
    function varIsXmlResource($var) {
        $xml_parser=xml_parser_create();
        xml_parser_set_option($xml_parser,XML_OPTION_CASE_FOLDING,0); 
        xml_set_element_handler($xml_parser,array(&$this,"xmlStartElement"),array(&$this,"xmlEndElement")); 
        xml_set_character_data_handler($xml_parser,array(&$this,"xmlCharacterData"));
        xml_set_default_handler($xml_parser,array(&$this,"xmlDefaultHandler")); 
        
        $this->makeTableHeader("xml","xml document",2);
        $this->makeTDHeader("xml","xmlRoot");
        
        //attempt to open xml file
        $bFile=(!($fp=@fopen($var,"r"))) ? false : true;
        
        //read xml file
        if($bFile) {
            while($data=str_replace("\n","",fread($fp,4096)))
                $this->xmlParse($xml_parser,$data,feof($fp));
        }
        //if xml is not a file, attempt to read it as a string
        else {
            if(!is_string($var)) {
                echo $this->error("xml").$this->closeTDRow()."</table>\n";
                return;
            }
            $data=$var;
            $this->xmlParse($xml_parser,$data,1);
        }
        
        echo $this->closeTDRow()."</table>\n";
        
    }
    
    //parse xml
    function xmlParse($xml_parser,$data,$bFinal) {
        if (!xml_parse($xml_parser,$data,$bFinal)) { 
                   die(sprintf("XML error: %s at line %d\n", 
                               xml_error_string(xml_get_error_code($xml_parser)), 
                               xml_get_current_line_number($xml_parser)));
        }
    }
    
    //xml: inititiated when a start tag is encountered
    function xmlStartElement($parser,$name,$attribs) {
        $this->xmlAttrib[$this->xmlCount]=$attribs;
        $this->xmlName[$this->xmlCount]=$name;
        $this->xmlSData[$this->xmlCount]='$this->makeTableHeader("xml","xml element",2);';
        $this->xmlSData[$this->xmlCount].='$this->makeTDHeader("xml","xmlName");';
        $this->xmlSData[$this->xmlCount].='echo "<strong>'.$this->xmlName[$this->xmlCount].'</strong>".$this->closeTDRow();';
        $this->xmlSData[$this->xmlCount].='$this->makeTDHeader("xml","xmlAttributes");';
        if(count($attribs)>0)
            $this->xmlSData[$this->xmlCount].='$this->varIsArray($this->xmlAttrib['.$this->xmlCount.']);';
        else
            $this->xmlSData[$this->xmlCount].='echo "&nbsp;";';
        $this->xmlSData[$this->xmlCount].='echo $this->closeTDRow();';
        $this->xmlCount++;
    } 
    
    //xml: initiated when an end tag is encountered
    function xmlEndElement($parser,$name) {
        for($i=0;$i<$this->xmlCount;$i++) {
            eval($this->xmlSData[$i]);
            $this->makeTDHeader("xml","xmlText");
            echo (!empty($this->xmlCData[$i])) ? $this->xmlCData[$i] : "&nbsp;";
            echo $this->closeTDRow();
            $this->makeTDHeader("xml","xmlComment");
            echo (!empty($this->xmlDData[$i])) ? $this->xmlDData[$i] : "&nbsp;";
            echo $this->closeTDRow();
            $this->makeTDHeader("xml","xmlChildren");
            unset($this->xmlCData[$i],$this->xmlDData[$i]);
        }
        echo $this->closeTDRow();
        echo "</table>";
        $this->xmlCount=0;
    } 
    
    //xml: initiated when text between tags is encountered
    function xmlCharacterData($parser,$data) {
        $count=$this->xmlCount-1;
        if(!empty($this->xmlCData[$count]))
            $this->xmlCData[$count].=$data;
        else
            $this->xmlCData[$count]=$data;
    } 
    
    //xml: initiated when a comment or other miscellaneous texts is encountered
    function xmlDefaultHandler($parser,$data) {
        //strip '<!--' and '-->' off comments
        $data=str_replace(array("&lt;!--","--&gt;"),"",htmlspecialchars($data));
        $count=$this->xmlCount-1;
        if(!empty($this->xmlDData[$count]))
            $this->xmlDData[$count].=$data;
        else
            $this->xmlDData[$count]=$data;
    }
    
    //if variable is a database resource type
    function varIsDBResource($var,$db="mysql") {
        $numrows=call_user_func($db."_num_rows",$var);
        $numfields=call_user_func($db."_num_fields",$var);
        $this->makeTableHeader("resource",$db." result",$numfields+1);
        echo "<tr><td class=\"dBug_resourceKey\">&nbsp;</td>";
        for($i=0;$i<$numfields;$i++) {
            $field[$i]=call_user_func($db."_fetch_field",$var,$i);
            echo "<td class=\"dBug_resourceKey\">".$field[$i]->name."</td>";
        }
        echo "</tr>";
        for($i=0;$i<$numrows;$i++) {
            $row=call_user_func($db."_fetch_array",$var,constant(strtoupper($db)."_ASSOC"));
            echo "<tr>\n";
            echo "<td class=\"dBug_resourceKey\">".($i+1)."</td>"; 
            for($k=0;$k<$numfields;$k++) {
                $tempField=$field[$k]->name;
                $fieldrow=$row[($field[$k]->name)];
                $fieldrow=($fieldrow=="") ? "[empty string]" : $fieldrow;
                echo "<td>".$fieldrow."</td>\n";
            }
            echo "</tr>\n";
        }
        echo "</table>";
        if($numrows>0)
            call_user_func($db."_data_seek",$var,0);
    }
    
    //if variable is an image/gd resource type
    function varIsGDResource($var) {
        $this->makeTableHeader("resource","gd",2);
        $this->makeTDHeader("resource","Width");
        echo imagesx($var).$this->closeTDRow();
        $this->makeTDHeader("resource","Height");
        echo imagesy($var).$this->closeTDRow();
        $this->makeTDHeader("resource","Colors");
        echo imagecolorstotal($var).$this->closeTDRow();
        echo "</table>";
    }
}
?>