mirror of
https://github.com/smarty-php/smarty.git
synced 2025-11-03 22:01:36 +01:00
407 lines
17 KiB
PHP
407 lines
17 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Compile Foreach
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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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/**
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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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* Foreach counter
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*
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* @var int
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*/
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public $foreach_number = 0;
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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 \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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* @param array $parameter array with compilation parameter
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*
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* @return string compiled code
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* @throws \SmartyCompilerException
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
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{
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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$from = $_attr['from'];
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$item = $compiler->getId($_attr['item']);
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if ($item === false) {
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$item = $compiler->getVariableName($_attr['item']);
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}
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$attributes = array('item' => $item);
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if (isset($_attr['key'])) {
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$key = $compiler->getId($_attr['key']);
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if ($key === false) {
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$key = $compiler->getVariableName($_attr['key']);
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}
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$attributes['key'] = $key;
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}
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if (isset($_attr['name'])) {
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$attributes['name'] = $compiler->getId($_attr['name']);
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}
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foreach ($attributes as $a => $v) {
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if ($v === false) {
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$compiler->trigger_template_error("'{$a}' attribute/variable has illegal value", $compiler->lex->taglineno);
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}
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}
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$fromName = $compiler->getVariableName($_attr['from']);
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if ($fromName) {
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foreach (array('item', 'key') as $a) {
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if (isset($attributes[$a]) && $attributes[$a] == $fromName) {
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$compiler->trigger_template_error("'{$a}' and 'from' may not have same variable name '{$fromName}'", $compiler->lex->taglineno);
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}
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}
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}
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$attributes['no'] = $this->foreach_number ++ . '_' . (isset($attributes['name']) ? $attributes['name'] : $attributes['item']);
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$this->openTag($compiler, 'foreach', array('foreach', $compiler->nocache, $attributes, true));
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// maybe nocache because of nocache variables
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$compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
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// prepare preg
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if ($has_name = isset($attributes['name'])) {
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$smartyPreg = "|([\$]smarty[.]foreach[.]{$attributes['name']}[.]((first)|(last)|(index)|(iteration)|(show)|(total)))";
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} else {
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$smartyPreg = '';
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}
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$itemPreg = "([\$]{$attributes['item']}[@]((first)|(last)|(index)|(iteration)|(show)|(total)|(key)))";
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$preg = '~(' . $itemPreg . $smartyPreg . ')\W~i';
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$itemAttr = array();
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$smartyAttr = array();
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// search template source
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preg_match_all($preg, $compiler->lex->data, $match, PREG_SET_ORDER);
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foreach ($match as $m) {
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if (isset($m[3]) && !empty($m[3])) {
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$itemAttr[strtolower($m[3])] = true;
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}
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if ($has_name && isset($m[12]) && !empty($m[12])) {
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$smartyAttr[strtolower($m[12])] = true;
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}
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}
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// search {block} sources
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foreach ($compiler->template->block_data as $b) {
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if (isset($b['source'])) {
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preg_match_all($preg, $b['source'], $match, PREG_SET_ORDER);
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foreach ($match as $m) {
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if (isset($m[3]) && !empty($m[3])) {
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$itemAttr[strtolower($m[3])] = true;
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}
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if ($has_name && isset($m[12]) && !empty($m[12])) {
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$smartyAttr[strtolower($m[12])] = true;
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}
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}
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}
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}
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if (class_exists('Smarty_Internal_Compile_Block', false)) {
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foreach (Smarty_Internal_Compile_Block::$block_data as $b) {
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if (isset($b['source'])) {
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preg_match_all($preg, $b['source'], $match, PREG_SET_ORDER);
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foreach ($match as $m) {
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if (isset($m[3]) && !empty($m[3])) {
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$itemAttr[strtolower($m[3])] = true;
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}
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if ($has_name && isset($m[12]) && !empty($m[12])) {
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$smartyAttr[strtolower($m[12])] = true;
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}
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}
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}
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}
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}
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// search parent compiler template source
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$nextCompiler = $compiler;
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while ($nextCompiler !== $nextCompiler->parent_compiler) {
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$nextCompiler = $nextCompiler->parent_compiler;
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preg_match_all($preg, $nextCompiler->template->source->getContent(), $match, PREG_SET_ORDER);
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foreach ($match as $m) {
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if (isset($m[3]) && !empty($m[3])) {
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$itemAttr[strtolower($m[3])] = true;
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}
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if ($has_name && isset($m[12]) && !empty($m[12])) {
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$smartyAttr[strtolower($m[12])] = true;
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}
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}
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}
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if (!isset($itemAttr['index']) && (isset($itemAttr['first']) || isset($itemAttr['last']))) {
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$itemAttr['iteration'] = true;
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}
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if (isset($itemAttr['last'])) {
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$itemAttr['total'] = true;
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}
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if ($has_name) {
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if (!isset($smartyAttr['index']) && (isset($smartyAttr['first']) || isset($smartyAttr['last']))) {
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$smartyAttr['iteration'] = true;
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}
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if (isset($smartyAttr['last'])) {
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$smartyAttr['total'] = true;
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}
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}
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$keyTerm = '';
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if (isset($itemAttr['key'])) {
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$keyTerm = "\$_smarty_tpl->tpl_vars['{$item}']->key => ";
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} elseif (isset($attributes['key'])) {
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$keyTerm = "\$_smarty_tpl->tpl_vars['{$key}']->value => ";
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}
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// generate output code
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$output = "<?php\n";
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foreach (array('item', 'key') as $a) {
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if (isset($attributes[$a])) {
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$output .= "\$foreach_{$attributes['no']}_sav['s_{$a}'] = isset(\$_smarty_tpl->tpl_vars['{$attributes[$a]}']) ? \$_smarty_tpl->tpl_vars['{$attributes[$a]}'] : false;\n";
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}
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}
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if (isset($attributes['name'])) {
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$output .= "\$foreach_{$attributes['no']}_sav['s_name'] = isset(\$_smarty_tpl->tpl_vars['__foreach_{$attributes['name']}']) ? \$_smarty_tpl->tpl_vars['__foreach_{$attributes['name']}'] : false;\n";
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}
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$output .= "\$_from = $from;\n";
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$output .= "if (!is_array(\$_from) && !is_object(\$_from)) {\n";
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$output .= "settype(\$_from, 'array');\n";
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$output .= "}\n";
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$output .= "\$_smarty_tpl->tpl_vars['{$item}'] = new Smarty_Variable;\n";
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->_loop = false;\n";
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if (isset($attributes['key'])) {
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$output .= "\$_smarty_tpl->tpl_vars['{$key}'] = new Smarty_Variable;\n";
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}
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if (isset($itemAttr['total'])) {
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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 (isset($itemAttr['iteration'])) {
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->iteration=0;\n";
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}
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if (isset($itemAttr['index'])) {
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->index=-1;\n";
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}
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if (isset($itemAttr['show'])) {
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if (isset($itemAttr['total'])) {
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->show = (\$_smarty_tpl->tpl_vars['{$item}']->total > 0);\n";
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} else {
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->show = (\$_smarty_tpl->_count(\$_from) > 0);\n";
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}
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}
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if ($has_name) {
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$prop = array();
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if (isset($smartyAttr['total'])) {
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$prop['total'] = "'total' => ";
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$prop['total'] .= isset($smartyAttr['show']) ? '$total = ' : '';
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$prop['total'] .= '$_smarty_tpl->_count($_from)';
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}
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if (isset($smartyAttr['iteration'])) {
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$prop['iteration'] = "'iteration' => 0";
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}
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if (isset($smartyAttr['index'])) {
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$prop['index'] = "'index' => -1";
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}
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if (isset($smartyAttr['show'])) {
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$prop['show'] = "'show' => ";
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if (isset($smartyAttr['total'])) {
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$prop['show'] .= "(\$total > 0)";
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} else {
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$prop['show'] .= "(\$_smarty_tpl->_count(\$_from) > 0)";
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}
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}
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if (!empty($smartyAttr)) {
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$_vars = 'array(' . join(', ', $prop) . ')';
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$foreachVar = "'__foreach_{$attributes['name']}'";
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$output .= "\$_smarty_tpl->tpl_vars[$foreachVar] = new Smarty_Variable({$_vars});\n";
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}
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}
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$output .= "foreach (\$_from as {$keyTerm}\$_smarty_tpl->tpl_vars['{$item}']->value) {\n";
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->_loop = true;\n";
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if (isset($attributes['key']) && isset($itemAttr['key'])) {
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$output .= "\$_smarty_tpl->tpl_vars['{$key}']->value = \$_smarty_tpl->tpl_vars['{$item}']->key;\n";
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}
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if (isset($itemAttr['iteration'])) {
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->iteration++;\n";
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}
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if (isset($itemAttr['index'])) {
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->index++;\n";
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}
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if (isset($itemAttr['first'])) {
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if (isset($itemAttr['index'])) {
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->first = \$_smarty_tpl->tpl_vars['{$item}']->index == 0;\n";
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} else {
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->first = \$_smarty_tpl->tpl_vars['{$item}']->iteration == 1;\n";
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}
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}
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if (isset($itemAttr['last'])) {
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if (isset($itemAttr['index'])) {
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$output .= "\$_smarty_tpl->tpl_vars['{$item}']->last = \$_smarty_tpl->tpl_vars['{$item}']->index + 1 == \$_smarty_tpl->tpl_vars['{$item}']->total;\n";
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} else {
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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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}
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if ($has_name) {
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if (isset($smartyAttr['iteration'])) {
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$output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['iteration']++;\n";
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}
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if (isset($smartyAttr['index'])) {
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$output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['index']++;\n";
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}
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if (isset($smartyAttr['first'])) {
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if (isset($smartyAttr['index'])) {
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$output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['first'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['index'] == 0;\n";
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} else {
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$output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['first'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['iteration'] == 1;\n";
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}
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}
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if (isset($smartyAttr['last'])) {
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if (isset($smartyAttr['index'])) {
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$output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['last'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['index'] + 1 == \$_smarty_tpl->tpl_vars[$foreachVar]->value['total'];\n";
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} else {
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$output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['last'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['iteration'] == \$_smarty_tpl->tpl_vars[$foreachVar]->value['total'];\n";
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}
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}
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}
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$output .= "\$foreach_{$attributes['no']}_sav['item'] = \$_smarty_tpl->tpl_vars['{$item}'];\n";
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$output .= "?>";
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return $output;
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}
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/**
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* Compiles code for the {$smarty.foreach} tag
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*
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* @param array $args array with attributes from parser
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* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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* @param array $parameter array with compilation parameter
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*
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* @return string compiled code
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* @throws \SmartyCompilerException
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*/
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public static function compileSpecialVariable($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
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{
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if (!isset($parameter[1]) || false === $name = $compiler->getId($parameter[1])) {
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$compiler->trigger_template_error("missing or illegal \$Smarty.foreach name attribute", $compiler->lex->taglineno);
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}
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if ((!isset($parameter[2]) || false === $property = $compiler->getId($parameter[2])) || !in_array(strtolower($property), array('first', 'last', 'index', 'iteration', 'show', 'total'))) {
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$compiler->trigger_template_error("missing or illegal \$Smarty.foreach property attribute", $compiler->lex->taglineno);
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}
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$property = strtolower($property);
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$foreachVar = "'__foreach_{$name}'";
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return "(isset(\$_smarty_tpl->tpl_vars[{$foreachVar}]->value['{$property}']) ? \$_smarty_tpl->tpl_vars[{$foreachVar}]->value['{$property}'] : null)";
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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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/**
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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 \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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* @param array $parameter array with compilation parameter
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*
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* @return string compiled code
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $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, $attributes, $foo) = $this->closeTag($compiler, array('foreach'));
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$this->openTag($compiler, 'foreachelse', array('foreachelse', $nocache, $attributes, false));
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$output = "<?php\n";
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$output .= "\$_smarty_tpl->tpl_vars['{$attributes['item']}'] = \$foreach_{$attributes['no']}_sav['item'];\n";
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$output .= "}\n";
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$output .= "if (!\$_smarty_tpl->tpl_vars['{$attributes['item']}']->_loop) {\n?>";
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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 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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/**
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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 \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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* @param array $parameter array with compilation parameter
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*
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* @return string compiled code
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $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, $attributes, $restore) = $this->closeTag($compiler, array('foreach',
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'foreachelse'));
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$output = "<?php\n";
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if ($restore) {
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$output .= "\$_smarty_tpl->tpl_vars['{$attributes['item']}'] = \$foreach_{$attributes['no']}_sav['item'];\n";
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}
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$output .= "}\n";
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foreach (array('item', 'key') as $a) {
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if (isset($attributes[$a])) {
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$output .= "if (\$foreach_{$attributes['no']}_sav['s_{$a}']) {\n";
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$output .= "\$_smarty_tpl->tpl_vars['{$attributes[$a]}'] = \$foreach_{$attributes['no']}_sav['s_{$a}'];\n";
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$output .= "}\n";
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}
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}
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if (isset($attributes['name'])) {
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$output .= "if (\$foreach_{$attributes['no']}_sav['s_name']) {\n";
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$output .= "\$_smarty_tpl->tpl_vars['__foreach_{$attributes['name']}'] = \$foreach_{$attributes['no']}_sav['s_name'];\n";
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$output .= "}\n";
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}
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$output .= "?>";
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return $output;
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}
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}
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