Файл: library/XenForo/Template/Compiler/Tag/Foreach.php
Строк: 104
<?php
/**
* Class to handle compiling template tag calls for "foreach".
*
* @package XenForo_Template
*/
class XenForo_Template_Compiler_Tag_Foreach implements XenForo_Template_Compiler_Tag_Interface
{
/**
* Compile the specified tag and return PHP code to handle it.
*
* @param XenForo_Template_Compiler The invoking compiler
* @param string Name of the tag called
* @param array Attributes for the tag (may be empty)
* @param array Nodes (tags/curlies/text) within this tag (may be empty)
* @param array Compilation options
*
* @return string
*/
public function compile(XenForo_Template_Compiler $compiler, $tag, array $attributes, array $children, array $options)
{
if (empty($options['allowRawStatements']))
{
throw $compiler->getNewCompilerException(new XenForo_Phrase('x_tags_only_used_where_full_statements_allowed', array('tag' => 'foreach')));
}
return self::compileForeach(
$compiler->compileSegments($children),
$compiler, $attributes, $options
);
}
/**
* Helper to allow foreach tags to be compiled in multiple places with easier validation.
*
* @param string $inner Compiled inner code
* @param XenForo_Template_Compiler $compiler
* @param array $attributes
* @param array $options
*
* @return XenForo_Compiler_Statement_Raw
*/
public static function compileForeach($inner, XenForo_Template_Compiler $compiler, array $attributes, array $options)
{
if (empty($attributes['loop']))
{
throw $compiler->getNewCompilerException(new XenForo_Phrase('missing_attribute_x_for_tag_y', array(
'attribute' => 'loop',
'tag' => 'foreach'
)));
}
if (empty($attributes['value']))
{
throw $compiler->getNewCompilerException(new XenForo_Phrase('missing_attribute_x_for_tag_y', array(
'attribute' => 'value',
'tag' => 'foreach'
)));
}
$noMapOptions = array_merge($options, array('disableVarMap' => true));
$loop = $compiler->compileVarRef($attributes['loop'], $options);
$value = $compiler->compileVarRef($attributes['value'], $noMapOptions);
if (isset($attributes['key']))
{
$key = $compiler->compileVarRef($attributes['key'], $noMapOptions);
$keyCode = $key . ' => ';
}
else
{
$keyCode = '';
}
if (isset($attributes['i']))
{
$i = $compiler->compileVarRef($attributes['i'], $noMapOptions);
}
else
{
$i = '';
}
if (isset($attributes['count']))
{
$count = $compiler->compileVarRef($attributes['count'], $noMapOptions);
}
else
{
$count = '';
}
$statement = $compiler->getNewRawStatement();
if ($i)
{
$statement->addStatement($i . " = 0;n");
}
if ($count)
{
$statement->addStatement($count . ' = count(' . $loop . ");n");
}
$statement->addStatement('foreach (' . $loop . ' AS ' . $keyCode . $value . ")n{n");
if ($i)
{
$statement->addStatement($i . "++;n");
}
$statement->addStatement($inner)->addStatement("}n");
return $statement;
}
}