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			231 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			231 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * Smarty Internal Plugin Compile Foreach
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 *
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 * Compiles the {foreach} {foreachelse} {/foreach} tags
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 *
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 * @package Smarty
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 * @subpackage Compiler
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 * @author Uwe Tews
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 */
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/**
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 * Smarty Internal Plugin Compile Foreach Class
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 *
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 * @package Smarty
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 * @subpackage Compiler
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 */
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class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase {
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    /**
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     * Attribute definition: Overwrites base class.
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     *
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     * @var array
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     * @see Smarty_Internal_CompileBase
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     */
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    public $required_attributes = array('from', 'item');
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    /**
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     * Attribute definition: Overwrites base class.
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     *
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     * @var array
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     * @see Smarty_Internal_CompileBase
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     */
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    public $optional_attributes = array('name', 'key');
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    /**
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     * Attribute definition: Overwrites base class.
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     *
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     * @var array
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     * @see Smarty_Internal_CompileBase
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     */
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    public $shorttag_order = array('from','item','key','name');
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    /**
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     * Compiles code for the {foreach} tag
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     *
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     * @param array  $args      array with attributes from parser
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     * @param object $compiler  compiler object
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     * @param array  $parameter array with compilation parameter
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     * @return string compiled code
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     */
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    public function compile($args, $compiler, $parameter)
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    {
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        $tpl = $compiler->template;
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        // check and get attributes
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        $_attr = $this->getAttributes($compiler, $args);
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        $from = $_attr['from'];
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        $item = $_attr['item'];
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        if (!strncmp("\$_smarty_tpl->tpl_vars[$item]", $from, strlen($item) + 24)) {
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            $compiler->trigger_template_error("item variable {$item} may not be the same variable as at 'from'", $compiler->lex->taglineno);
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        }
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        if (isset($_attr['key'])) {
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            $key = $_attr['key'];
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        } else {
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            $key = null;
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        }
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        $this->openTag($compiler, 'foreach', array('foreach', $compiler->nocache, $item, $key));
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        // maybe nocache because of nocache variables
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        $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
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        if (isset($_attr['name'])) {
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            $name = $_attr['name'];
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            $has_name = true;
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            $SmartyVarName = '$smarty.foreach.' . trim($name, '\'"') . '.';
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        } else {
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            $name = null;
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            $has_name = false;
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        }
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        $ItemVarName = '$' . trim($item, '\'"') . '@';
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        // evaluates which Smarty variables and properties have to be computed
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        if ($has_name) {
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            $usesSmartyFirst = strpos($tpl->source->content, $SmartyVarName . 'first') !== false;
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            $usesSmartyLast = strpos($tpl->source->content, $SmartyVarName . 'last') !== false;
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            $usesSmartyIndex = strpos($tpl->source->content, $SmartyVarName . 'index') !== false;
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            $usesSmartyIteration = strpos($tpl->source->content, $SmartyVarName . 'iteration') !== false;
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            $usesSmartyShow = strpos($tpl->source->content, $SmartyVarName . 'show') !== false;
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            $usesSmartyTotal = strpos($tpl->source->content, $SmartyVarName . 'total') !== false;
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        } else {
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            $usesSmartyFirst = false;
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            $usesSmartyLast = false;
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            $usesSmartyTotal = false;
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            $usesSmartyShow = false;
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        }
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        $usesPropFirst = $usesSmartyFirst || strpos($tpl->source->content, $ItemVarName . 'first') !== false;
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        $usesPropLast = $usesSmartyLast || strpos($tpl->source->content, $ItemVarName . 'last') !== false;
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        $usesPropIndex = $usesPropFirst || strpos($tpl->source->content, $ItemVarName . 'index') !== false;
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        $usesPropIteration = $usesPropLast || strpos($tpl->source->content, $ItemVarName . 'iteration') !== false;
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        $usesPropShow = strpos($tpl->source->content, $ItemVarName . 'show') !== false;
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        $usesPropTotal = $usesSmartyTotal || $usesSmartyShow || $usesPropShow || $usesPropLast || strpos($tpl->source->content, $ItemVarName . 'total') !== false;
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        // generate output code
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        $output = "<?php ";
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        $output .= " \$_smarty_tpl->tpl_vars[$item] = new Smarty_Variable; \$_smarty_tpl->tpl_vars[$item]->_loop = false;\n";
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        if ($key != null) {
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            $output .= " \$_smarty_tpl->tpl_vars[$key] = new Smarty_Variable;\n";
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        }
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        $output .= " \$_from = $from; if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array');}\n";
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        if ($usesPropTotal) {
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            $output .= " \$_smarty_tpl->tpl_vars[$item]->total= \$_smarty_tpl->_count(\$_from);\n";
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        }
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        if ($usesPropIteration) {
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            $output .= " \$_smarty_tpl->tpl_vars[$item]->iteration=0;\n";
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        }
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        if ($usesPropIndex) {
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            $output .= " \$_smarty_tpl->tpl_vars[$item]->index=-1;\n";
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        }
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        if ($usesPropShow) {
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            $output .= " \$_smarty_tpl->tpl_vars[$item]->show = (\$_smarty_tpl->tpl_vars[$item]->total > 0);\n";
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        }
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        if ($has_name) {
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            if ($usesSmartyTotal) {
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                $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['total'] = \$_smarty_tpl->tpl_vars[$item]->total;\n";
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            }
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            if ($usesSmartyIteration) {
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                $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['iteration']=0;\n";
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            }
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            if ($usesSmartyIndex) {
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                $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['index']=-1;\n";
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            }
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            if ($usesSmartyShow) {
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                $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['show']=(\$_smarty_tpl->tpl_vars[$item]->total > 0);\n";
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            }
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        }
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        $output .= "foreach (\$_from as \$_smarty_tpl->tpl_vars[$item]->key => \$_smarty_tpl->tpl_vars[$item]->value){\n\$_smarty_tpl->tpl_vars[$item]->_loop = true;\n";
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        if ($key != null) {
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            $output .= " \$_smarty_tpl->tpl_vars[$key]->value = \$_smarty_tpl->tpl_vars[$item]->key;\n";
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        }
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        if ($usesPropIteration) {
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            $output .= " \$_smarty_tpl->tpl_vars[$item]->iteration++;\n";
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        }
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        if ($usesPropIndex) {
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            $output .= " \$_smarty_tpl->tpl_vars[$item]->index++;\n";
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        }
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        if ($usesPropFirst) {
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            $output .= " \$_smarty_tpl->tpl_vars[$item]->first = \$_smarty_tpl->tpl_vars[$item]->index === 0;\n";
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        }
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        if ($usesPropLast) {
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            $output .= " \$_smarty_tpl->tpl_vars[$item]->last = \$_smarty_tpl->tpl_vars[$item]->iteration === \$_smarty_tpl->tpl_vars[$item]->total;\n";
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        }
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        if ($has_name) {
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            if ($usesSmartyFirst) {
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                $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['first'] = \$_smarty_tpl->tpl_vars[$item]->first;\n";
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            }
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            if ($usesSmartyIteration) {
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                $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['iteration']++;\n";
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            }
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            if ($usesSmartyIndex) {
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                $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['index']++;\n";
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            }
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            if ($usesSmartyLast) {
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                $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['last'] = \$_smarty_tpl->tpl_vars[$item]->last;\n";
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            }
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        }
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        $output .= "?>";
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        return $output;
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    }
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}
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/**
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 * Smarty Internal Plugin Compile Foreachelse Class
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 *
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 * @package Smarty
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 * @subpackage Compiler
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 */
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class Smarty_Internal_Compile_Foreachelse extends Smarty_Internal_CompileBase {
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    /**
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     * Compiles code for the {foreachelse} tag
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     *
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     * @param array  $args array with attributes from parser
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     * @param object $compiler compiler object
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     * @param array  $parameter array with compilation parameter
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     * @return string compiled code
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     */
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    public function compile($args, $compiler, $parameter)
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    {
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        // check and get attributes
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        $_attr = $this->getAttributes($compiler, $args);
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        list($openTag, $nocache, $item, $key) = $this->closeTag($compiler, array('foreach'));
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        $this->openTag($compiler, 'foreachelse', array('foreachelse', $nocache, $item, $key));
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        return "<?php }\nif (!\$_smarty_tpl->tpl_vars[$item]->_loop) {\n?>";
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    }
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}
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/**
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 * Smarty Internal Plugin Compile Foreachclose Class
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 *
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 * @package Smarty
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 * @subpackage Compiler
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 */
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class Smarty_Internal_Compile_Foreachclose extends Smarty_Internal_CompileBase {
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    /**
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     * Compiles code for the {/foreach} tag
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     *
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     * @param array  $args      array with attributes from parser
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     * @param object $compiler  compiler object
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     * @param array  $parameter array with compilation parameter
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     * @return string compiled code
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     */
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    public function compile($args, $compiler, $parameter)
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    {
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        // check and get attributes
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        $_attr = $this->getAttributes($compiler, $args);
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        // must endblock be nocache?
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        if ($compiler->nocache) {
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            $compiler->tag_nocache = true;
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        }
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        list($openTag, $compiler->nocache, $item, $key) = $this->closeTag($compiler, array('foreach', 'foreachelse'));
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        return "<?php } ?>";
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    }
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}
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?>
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