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PHP Demo Application - Source Code

/Framework/Model/Vendor/Smarty/libs/sysplugins/smarty_internal_compile_for.php

<?php
/**
 * Smarty Internal Plugin Compile For
 * 
 * Compiles the {for} {forelse} {/for} tags
 * 
 * @package Smarty
 * @subpackage Compiler
 * @author Uwe Tews 
 */
/**
 * Smarty Internal Plugin Compile For Class
 */
class Smarty_Internal_Compile_For extends Smarty_Internal_CompileBase {
    
/**
     * Compiles code for the {for} tag
     * 
     * Smarty 3 does implement two different sytaxes:
     * 
     * - {for $var in $array}
     * For looping over arrays or iterators
     * 
     * - {for $x=0; $x<$y; $x++}
     * For general loops
     * 
     * The parser is gereration different sets of attribute by which this compiler can 
     * determin which syntax is used.
     * 
     * @param array $args array with attributes from parser
     * @param object $compiler compiler object
     * @return string compiled code
     */
    
public function compile($args$compiler)
    {
        
$this->compiler $compiler
        
// {for $x=0; $x<$y; $x++} syntax
        
if (isset($args['ifexp'])) {
            
$this->required_attributes = array('ifexp''start''loop''varloop');
        } else {
            
$this->required_attributes = array('start''to');
            
$this->optional_attributes = array('step''max');
        } 
        
// check and get attributes
        
$_attr $this->_get_attributes($args);        $local_vars = array();        $output "<?php ";
        if (isset(
$_attr['ifexp'])) {
            foreach (
$_attr['start'] as $_statement) {
                
$output .= " \$_smarty_tpl->tpl_vars[$_statement[var]] = new Smarty_Variable;";
                
$output .= " \$_smarty_tpl->tpl_vars[$_statement[var]]->value = $_statement[value];\n";
                
$compiler->local_var[$_statement['var']] = true;
                
$local_vars[] = $_statement['var'];
            } 
            
$output .= "  if ($_attr[ifexp]){ for (\$_foo=true;$_attr[ifexp]; \$_smarty_tpl->tpl_vars[$_attr[varloop]]->value$_attr[loop]){\n";
        } else {
            
$_statement $_attr['start'];
            
$output .= "\$_smarty_tpl->tpl_vars[$_statement[var]] = new Smarty_Variable;";
            
$compiler->local_var[$_statement['var']] = true;
            
$local_vars[] = $_statement['var'];
            if (isset(
$_attr['step'])) {
                
$output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->step = $_attr[step];";
            } else {
                
$output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->step = ($_attr[to] - ($_statement[value]) < 0) ? -1 : 1;";
            } 
            if (isset(
$_attr['max'])) {
                
$output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->total = (int)min(ceil((\$_smarty_tpl->tpl_vars[$_statement[var]]->step > 0 ? $_attr[to]+1 - $_statement[value] : $_statement[value]-($_attr[to])+1)/abs(\$_smarty_tpl->tpl_vars[$_statement[var]]->step)),$_attr[max]);\n";
            } else {
                
$output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->total = (int)ceil((\$_smarty_tpl->tpl_vars[$_statement[var]]->step > 0 ? $_attr[to]+1 - $_statement[value] : $_statement[value]-($_attr[to])+1)/abs(\$_smarty_tpl->tpl_vars[$_statement[var]]->step));\n";
            } 
            
$output .= "if (\$_smarty_tpl->tpl_vars[$_statement[var]]->total > 0){\n";
            
$output .= "for (\$_smarty_tpl->tpl_vars[$_statement[var]]->value = $_statement[value], \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration = 1;\$_smarty_tpl->tpl_vars[$_statement[var]]->iteration <= \$_smarty_tpl->tpl_vars[$_statement[var]]->total;\$_smarty_tpl->tpl_vars[$_statement[var]]->value += \$_smarty_tpl->tpl_vars[$_statement[var]]->step, \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration++){\n";
            
$output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->first = \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration == 1;";
            
$output .= "\$_smarty_tpl->tpl_vars[$_statement[var]]->last = \$_smarty_tpl->tpl_vars[$_statement[var]]->iteration == \$_smarty_tpl->tpl_vars[$_statement[var]]->total;";
        } 
        
$output .= "?>";        $this->_open_tag('for', array('for'$this->compiler->nocache$local_vars)); 
        
// maybe nocache because of nocache variables
        
$this->compiler->nocache $this->compiler->nocache $this->compiler->tag_nocache
        
// return compiled code
        
return $output;
    } 
/**
 * Smarty Internal Plugin Compile Forelse Class
 */
class Smarty_Internal_Compile_Forelse extends Smarty_Internal_CompileBase {
    
/**
     * Compiles code for the {forelse} tag
     * 
     * @param array $args array with attributes from parser
     * @param object $compiler compiler object
     * @return string compiled code
     */
    
public function compile($args$compiler)
    {
        
$this->compiler $compiler
        
// check and get attributes
        
$_attr $this->_get_attributes($args);        list($_open_tag$nocache$local_vars) = $this->_close_tag(array('for'));
        
$this->_open_tag('forelse', array('forelse'$nocache$local_vars));
        return 
"<?php }} else { ?>";
    } 
/**
 * Smarty Internal Plugin Compile Forclose Class
 */
class Smarty_Internal_Compile_Forclose extends Smarty_Internal_CompileBase {
    
/**
     * Compiles code for the {/for} tag
     * 
     * @param array $args array with attributes from parser
     * @param object $compiler compiler object
     * @return string compiled code
     */
    
public function compile($args$compiler)
    {
        
$this->compiler $compiler
        
// check and get attributes
        
$_attr $this->_get_attributes($args); 
        
// must endblock be nocache?
        
if ($this->compiler->nocache) {
            
$this->compiler->tag_nocache true;
        }         list(
$_open_tag$this->compiler->nocache$local_vars) = $this->_close_tag(array('for''forelse'));        foreach ($local_vars as $var) {
            unset(
$compiler->local_var[$var]);
        } 
        if (
$_open_tag == 'forelse')
            return 
"<?php }  ?>";
        else
            return 
"<?php }} ?>";
    } 
?>

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