tag.php

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            return HTML_Template_Flexy::raiseError(
                "Missing Arguments: An flexy:foreach attribute was foundon Line {$this->element->line} 
                in tag &lt;{$this->element->tag} flexy:foreach=&quot;$foreach&quot; .....&gt;<BR>
                the syntax is  &lt;sometag flexy:foreach=&quot;onarray,withvariable[,withanothervar] &gt;<BR>",
                 null,  HTML_TEMPLATE_FLEXY_ERROR_DIE);
        }
        
        
        
        // does it have a closetag?
        if (!$this->element->close) {
        
            if ($this->element->getAttribute('/') === false) {
               
            
                return HTML_Template_Flexy::raiseError(
                    "A flexy:foreach attribute was found in &lt;{$this->element->tag} tag without a corresponding &lt;/{$this->element->tag}
                        tag on {$_HTML_TEMPLATE_FLEXY['filename']}:{$this->element->line} ",
                     null, HTML_TEMPLATE_FLEXY_ERROR_DIE);
            }
            // it's an xhtml tag!
            $this->element->postfix = array($this->element->factory("End", '', $this->element->line));
        } else {
            $this->element->close->postfix = array($this->element->factory("End", '', $this->element->line));
        }

        $this->element->clearAttribute('FLEXY:FOREACH');
        return $foreachObj->compile($this->compiler);
    }
    /**
    * Reads an flexy:if attribute - 
    *
    *
    * @return   string to add to output.
    * @access   public
    */
    
    function parseAttributeIf() 
    {
        // dont use the together, if is depreciated..
        $if = $this->element->getAttribute('FLEXY:IF');
        
        if ($if === false) {
            return '';
        }
        
        if (isset($this->element->hasForeach)) {
            return HTML_Template_Flexy::raiseError(
                "You may not use FOREACH and IF tags in the same tag on Line {$this->element->line} &lt;{$this->element->tag}&gt;",
                 null, HTML_TEMPLATE_FLEXY_ERROR_DIE);
        }
        
        // allow if="!somevar"
        $ifnegative = '';
        
        if ($if{0} == '!') {
            $ifnegative = '!';    
            $if = substr($if,1);
        }
        // if="xxxxx"
        // if="xxxx.xxxx()" - should create a method prefixed with 'if:'
        // these checks should really be in the if/method class..!!!
        
        
        
        if (!preg_match('/^[_A-Z][A-Z0-9_]*(\[[0-9]+\])?((\[|%5B)[A-Z0-9_]+(\]|%5D))*'.
                '(\.[_A-Z][A-Z0-9_]*((\[|%5B)[A-Z0-9_]+(\]|%5D))*)*(\\([^)]*\))?$/i',$if)) {
            return HTML_Template_Flexy::raiseError(
                "IF tags only accept simple object.variable or object.method() values on 
                    Line {$this->element->line} &lt;{$this->element->tag}&gt;
                    {$if}",
                 null, HTML_TEMPLATE_FLEXY_ERROR_DIE);
        }
        
        if (substr($if,-1) == ')') {
            // grab args..
            $args = substr($if,strpos($if,'(')+1,-1);
            // simple explode ...
            
            $args = strlen(trim($args)) ? explode(',',$args) : array();
            //print_R($args);
            
            // this is nasty... - we need to check for quotes = eg. # at beg. & end..
            $args_clean = array();
            for ($i=0; $i<count($args); $i++) {
                if ($args[$i]{0} != '#') {
                    $args_clean[] = $args[$i];
                    continue;
                }
                // single # - so , must be inside..
                if ((strlen($args[$i]) > 1) && ($args[$i]{strlen($args[$i])-1}=='#')) {
                    $args_clean[] = $args[$i];
                    continue;
                }
                
                $args[$i] .=',' . $args[$i+1];
                // remove args+1..
                array_splice($args,$i+1,1);
                $i--;
                // reparse..
            }
            
            
            
            $ifObj =  $this->element->factory('Method',
                    array('if:'.$ifnegative.substr($if,0,strpos($if,'(')), $args_clean),
                    $this->element->line);
        } else {
            $ifObj =  $this->element->factory('If', $ifnegative.$if, $this->element->line);
        }
        
        // does it have a closetag? - you must have one - so you will have to hack in <span flexy:if=..><img></span> on tags
        // that do not have close tags - it's done this way to try and avoid mistakes.
        
        
        if (!$this->element->close) {
            //echo "<PRE>";print_R($this->element);
            
            if ($this->element->getAttribute('/') !== false) {
                $this->element->postfix = array($this->element->factory("End",'', $this->element->line));
            } else {
            
                return HTML_Template_Flexy::raiseError(
                    "An flexy:if attribute was found in &lt;{$this->element->name} tag without a corresponding &lt;/{$this->element->name}
                        tag on Line {$this->element->line} &lt;{$this->element->tag}&gt;",
                     null, HTML_TEMPLATE_FLEXY_ERROR_DIE);
                }
        } else {
        
            $this->element->close->postfix = array($this->element->factory("End",'', $this->element->line));
        }
        $this->element->clearAttribute('FLEXY:IF');
        return $ifObj->compile($this->compiler);
    }
    
     /**
    * Reads Tags - and relays to parseTagXXXXXXX
    *
    *
    * @return   string | false = html output or ignore (just output the tag)
    * @access   private
    */
    
    
    function _parseTags() 
    {
        global $_HTML_TEMPLATE_FLEXY_TOKEN;
        // doesnt really need strtolower etc. as php functions are not case sensitive!
        
        
        /* always render script correctly */
        if (0 == strcasecmp($this->element->tag,"script")) {
            return $this->parseTagScript();
        }
        
        if ($this->element->getAttribute('FLEXY:DYNAMIC')) {
            return $this->compiler->appendPhp(
                $this->getElementPhp( $this->element->getAttribute('ID') )
            );
            
        }
        
        if ($this->element->getAttribute('FLEXY:IGNOREONLY') !== false) {
            return false;
        }
        if ($_HTML_TEMPLATE_FLEXY_TOKEN['flexyIgnore']) {
            return false;
        }
        $tag = $this->element->tag;
        if (strpos($tag,':') !== false) {
            $bits = explode(':',$tag);
            $tag = $bits[1];
        }
         
        $method = 'parseTag'.$tag;
        if (!method_exists($this,$method)) {
            return false;
        }
        
        if (($this->element->getAttribute('NAME') === false) &&
            ($this->element->getAttribute('ID') === false) ) {
            return false;
        }
        // do any of the attributes use flexy data...
        //foreach ($this->element->attributes as $k=>$v) {
        //    if (is_array($v)) {
        //        return false;
        //   }
        //}
        
        //echo "call $method" . serialize($this->element->attributes). "\n";
        
        return $this->$method();
            // allow the parse methods to return output.
        
    }
    
 
    
           
    /**
    * produces the code for dynamic elements
    *
    * @return   string | false = html output or ignore (just output the tag)
    * @access   public
    */
        
    function getElementPhp($id,$mergeWithName=false,$varsOnly = false) {
        
        global $_HTML_TEMPLATE_FLEXY;
        static $tmpId=0;
        
        
        
        if (!$id) {
            
            return HTML_Template_Flexy::raiseError(
                "Error:{$_HTML_TEMPLATE_FLEXY['filename']} on Line {$this->element->line} &lt;{$this->element->tag}&gt;: " .
                " Dynamic tags require an ID value",
                null, HTML_TEMPLATE_FLEXY_ERROR_DIE);
        }
        
        // dont mix and match..
        if (($this->element->getAttribute('FLEXY:IF') !== false) || 
            ($this->element->getAttribute('FLEXY:FOREACH') !== false) )
        {
            return HTML_Template_Flexy::raiseError(
                "Error:{$_HTML_TEMPLATE_FLEXY['filename']} on Line {$this->element->line} &lt;{$this->element->tag}&gt;: " .
                " You can not mix flexy:if= or flexy:foreach= with dynamic form elements  " . 
                " (turn off tag to element code with flexyIgnore=0, use flexy:ignore=&quot;yes&quot; in the tag" .
                " or put the conditional outside in a span tag",
                null, HTML_TEMPLATE_FLEXY_ERROR_DIE);
        }
        
        if ((strtolower($this->element->getAttribute('TYPE')) == 'checkbox' ) && 
                (substr($this->element->getAttribute('NAME'),-2) == '[]')) {
            if ($this->element->getAttribute('ID') === false) {
                $id = 'tmpId'. (++$tmpId);
                $this->element->attributes['id'] = $id;
                $this->element->ucAttributes['ID'] = $id;
            } 
            $mergeWithName =  true;
        }
        
        
        
        
        
        if (isset($_HTML_TEMPLATE_FLEXY['elements'][$id])) {
           // echo "<PRE>";print_r($this);print_r($_HTML_TEMPLATE_FLEXY['elements']);echo "</PRE>";
            return HTML_Template_Flexy::raiseError(
                "Error:{$_HTML_TEMPLATE_FLEXY['filename']} on Line {$this->element->line} in Tag &lt;{$this->element->tag}&gt;:<BR> " . 
                 "The Dynamic tag Name '$id' has already been used previously by  tag &lt;{$_HTML_TEMPLATE_FLEXY['elements'][$id]->tag}&gt;",
                 null,HTML_TEMPLATE_FLEXY_ERROR_DIE);
        }
        
        $ret = '';
        $unset = '';
        
        //echo '<PRE>';print_r($this->element);echo '</PRE>';
        if (isset($this->element->ucAttributes['FLEXY:USE'])) {
            $ar = $this->element->ucAttributes['FLEXY:USE'];
            $str = '';
            
            for($i =1; $i < count($ar) -1; $i++) {
                switch(true) {
                    case is_a($ar[$i], 'HTML_Template_Flexy_Token_Var'):
                        $str .= '. ' . $ar[$i]->toVar($ar[$i]->value). ' ';
                        break;
                    case is_string($ar[$i]):
                        $str .= '. ' . $ar[0] . $ar[$i] . $ar[0];
                        break;
                    default: 
                        return HTML_Template_Flexy::raiseError(
                            "unsupported type found in attribute, use flexy:ignore to prevent parsing or remove it. " . 
                                print_r($this->element,true),
                            null,HTML_TEMPLATE_FLEXY_ERROR_DIE);
                }
            }
            $str = trim(ltrim($str,'.'));
            $_HTML_TEMPLATE_FLEXY['elements'][$id] = $this->toElement($this->element);
        
            return  $ret . 
                '
                if (!isset($this->elements['.$str.'])) {
                    echo "ELEMENT MISSING $str";
                }
                echo $this->elements['.$str.']->toHtml();' .$unset; 
        }
            
        
        
        if ($this->elementUsesDynamic($this->element)) {
            $used = array();
            foreach ($this->element->attributes as $attribute => $attributeValue) {
                if (!is_array($attributeValue)) {
                    continue;
                }
                if (strtoupper(substr($attribute,0,6)) == 'FLEXY:') {
                    continue;
                }
                unset($this->element->attributes[$attribute]);
                // generate code to put data into value..
                $output_avar = '$this->elements[\''.$id.'\']->attributes[\''.$attribute.'\']';
                $used[] = "'{$attribute}'";
                $ret .= "\nif (!isset({$output_avar})) {\n";
                // get the " or ' that encapsulates the element.
                $wrapper = array_shift($attributeValue);
                array_pop($attributeValue); 
                $ret .= "    {$output_avar} = '';\n";
                //echo '<PRE>';print_r($attributeValue);echo '</PRE>';
                foreach($attributeValue as $item) {
                    
                    if (is_string($item)) {
                        $ret .= "    {$output_avar} .= {$wrapper}{$item}{$wrapper};\n";
                        continue;
                    }
                    if (!is_object($item) || !is_a($item, 'HTML_Template_Flexy_Token_Var')) {
                        return HTML_Template_Flexy::raiseError(
                            "unsupported type found in attribute, use flexy:ignore to prevent parsing or remove it. " . 
                                print_r($this->element,true),
                            null,HTML_TEMPLATE_FLEXY_ERROR_DIE);
                    }
                    
                    $var = $item->toVar($item->value);
                    if (is_a($var, 'PEAR_Error')) {
                        return $var;
                    }
                    list($prefix,$suffix) = $this->compiler->getModifierWrapper($item);
                    $prefix =  substr($prefix,4);
                    
                    $ret .= "    {$output_avar} .= {$prefix}{$var}{$suffix};\n";
                }
                
                $ret .= "}\n";
            }
            $ret .= "\$_attributes_used = array(".implode(',',$used).");\n"; 
            $unset = "\n".'if (isset($_attributes_used)) {  foreach($_attributes_used as $_a) {'."\n".
                     '    unset($this->elements[\''. $id .'\']->attributes[$_a]);'."\n" .
                     "}}\n";
        
        
        }
        
     
        
        
        // this is for a case where you can use a sprintf as the name, and overlay it with a variable element..
        $_HTML_TEMPLATE_FLEXY['elements'][$id] = $this->toElement($this->element);
        
        
        
        if ($varsOnly) { // used by form tag.
            return array($ret,$unset);
        }
        
        if ($var = $this->element->getAttribute('FLEXY:NAMEUSES')) {
            // force var to use name (as radio buttons pick up id.)
            
            $ename = $this->element->getAttribute('NAME');
            $printfnamevar = $printfvar = 'sprintf(\''.$ename .'\','.$this->element->toVar($var) .')';
            // support id replacement as well ...
            $idreplace = '';
           
            
            if (strtolower($this->element->getAttribute('TYPE')) == 'radio') {
                $ename = $this->element->getAttribute('ID');
                $printfvar = 'sprintf(\''.$ename .'\','.$this->element->toVar($var) .')';
            }
            if ($this->element->getAttribute('ID')) {
                $idvar     = 'sprintf(\''.$this->element->getAttribute('ID') .'\','.$this->element->toVar($var) .')';
                $idreplace = '$this->elements['.$printfvar.']->attributes[\'id\'] = '.$idvar.';';
            }
            return  $ret . '
                if (!isset($this->elements['.$printfvar.'])) {
                   $this->elements['.$printfvar.']= $this->elements[\''.$id.'\'];
                }
                $this->elements['.$printfvar.'] = $this->mergeElement(
                    $this->elements[\''.$id.'\'],
                    $this->elements['.$printfnamevar .']
                );
                $this->elements['.$printfvar.']->attributes[\'name\'] = '.$printfnamevar. ';
                ' . $idreplace . '
                echo $this->elements['.$printfvar.']->toHtml();' .$unset; 
        }