diff options
Diffstat (limited to 'include/smarty/libs/sysplugins/smarty_internal_compile_private_foreachsection.php')
| -rw-r--r-- | include/smarty/libs/sysplugins/smarty_internal_compile_private_foreachsection.php | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/include/smarty/libs/sysplugins/smarty_internal_compile_private_foreachsection.php b/include/smarty/libs/sysplugins/smarty_internal_compile_private_foreachsection.php new file mode 100644 index 000000000..50c25bdb6 --- /dev/null +++ b/include/smarty/libs/sysplugins/smarty_internal_compile_private_foreachsection.php @@ -0,0 +1,223 @@ +<?php +/** + * Smarty Internal Plugin Compile ForeachSection + * Shared methods for {foreach} {section} tags + * + * @package Smarty + * @subpackage Compiler + * @author Uwe Tews + */ + +/** + * Smarty Internal Plugin Compile ForeachSection Class + * + * @package Smarty + * @subpackage Compiler + */ +class Smarty_Internal_Compile_Private_ForeachSection extends Smarty_Internal_CompileBase +{ + + /** + * Preg search pattern + * + * @var string + */ + private $propertyPreg = ''; + + /** + * Offsets in preg match result + * + * @var array + */ + private $resultOffsets = array(); + + /** + * Start offset + * + * @var int + */ + private $startOffset = 0; + + /** + * Name of this tag + * + * @var string + */ + public $tagName = ''; + + /** + * Valid properties of $smarty.xxx variable + * + * @var array + */ + public static $nameProperties = array(); + + /** + * {section} tag has no item properties + * + * @var array + */ + public $itemProperties = null; + + /** + * {section} tag has always name attribute + * + * @var bool + */ + public $isNamed = true; + + /** + * @var array + */ + public $matchResults = array(); + + /** + * Scan sources for used tag attributes + * + * @param array $attributes + * @param \Smarty_Internal_TemplateCompilerBase $compiler + */ + public function scanForProperties($attributes, Smarty_Internal_TemplateCompilerBase $compiler) + { + $this->propertyPreg = '~('; + $this->startOffset = 0; + $this->resultOffsets = array(); + $this->matchResults = array('named' => array(), 'item' => array()); + if ($this->isNamed) { + $this->buildPropertyPreg(true, $attributes); + } + if (isset($this->itemProperties)) { + if ($this->isNamed) { + $this->propertyPreg .= '|'; + } + $this->buildPropertyPreg(false, $attributes); + } + $this->propertyPreg .= ')\W~i'; + // Template source + $this->matchTemplateSource($compiler); + // Parent template source + $this->matchParentTemplateSource($compiler); + // {block} source + $this->matchBlockSource($compiler); + } + + /** + * Build property preg string + * + * @param bool $named + * @param array $attributes + */ + public function buildPropertyPreg($named, $attributes) + { + if ($named) { + $this->resultOffsets['named'] = $this->startOffset + 3; + $this->propertyPreg .= "([\$]smarty[.]{$this->tagName}[.]{$attributes['name']}[.]("; + $className = get_class($this); + $properties = $className::$nameProperties; + } else { + $this->resultOffsets['item'] = $this->startOffset + 3; + $this->propertyPreg .= "([\$]{$attributes['item']}[@]("; + $properties = $this->itemProperties; + } + $this->startOffset += count($properties) + 2; + $propName = reset($properties); + while ($propName) { + $this->propertyPreg .= "({$propName})"; + $propName = next($properties); + if ($propName) { + $this->propertyPreg .= '|'; + } + } + $this->propertyPreg .= '))'; + } + + /** + * Find matches in source string + * + * @param string $source + */ + public function matchProperty($source) + { + preg_match_all($this->propertyPreg, $source, $match, PREG_SET_ORDER); + foreach ($this->resultOffsets as $key => $offset) { + foreach ($match as $m) { + if (isset($m[$offset]) && !empty($m[$offset])) { + $this->matchResults[$key][strtolower($m[$offset])] = true; + } + } + } + } + + /** + * Find matches in template source + * + * @param \Smarty_Internal_TemplateCompilerBase $compiler + */ + public function matchTemplateSource(Smarty_Internal_TemplateCompilerBase $compiler) + { + $this->matchProperty($compiler->parser->lex->data); + } + + /** + * Find matches in all parent template source + * + * @param \Smarty_Internal_TemplateCompilerBase $compiler + */ + public function matchParentTemplateSource(Smarty_Internal_TemplateCompilerBase $compiler) + { + // search parent compiler template source + $nextCompiler = $compiler; + while ($nextCompiler !== $nextCompiler->parent_compiler) { + $nextCompiler = $nextCompiler->parent_compiler; + if ($compiler !== $nextCompiler) { + // get template source + $_content = $nextCompiler->template->source->getContent(); + if ($_content != '') { + // run pre filter if required + if ((isset($nextCompiler->smarty->autoload_filters['pre']) || + isset($nextCompiler->smarty->registered_filters['pre']))) { + $_content = $nextCompiler->smarty->ext->_filter_Handler->runFilter('pre', $_content, $nextCompiler->template); + } + $this->matchProperty($_content); + } + } + } + } + + /** + * Find matches in {block} tag source + * + * @param \Smarty_Internal_TemplateCompilerBase $compiler + */ + public function matchBlockSource(Smarty_Internal_TemplateCompilerBase $compiler) + { + + } + + /** + * Compiles code for the {$smarty.foreach.xxx} or {$smarty.section.xxx}tag + * + * @param array $args array with attributes from parser + * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object + * @param array $parameter array with compilation parameter + * + * @return string compiled code + * @throws \SmartyCompilerException + */ + public static function compileSpecialVariable($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter) + { + $tag = strtolower(trim($parameter[ 0 ], '"\'')); + $name = isset($parameter[ 1 ]) ? $compiler->getId($parameter[ 1 ]) : false; + if (!$name) { + $compiler->trigger_template_error("missing or illegal \$smarty.{$tag} name attribute", null, true); + } + /* @var Smarty_Internal_Compile_Foreach|Smarty_Internal_Compile_Section $className */ + $className = 'Smarty_Internal_Compile_' . ucfirst($tag); + $property = isset($parameter[ 2 ]) ? strtolower($compiler->getId($parameter[ 2 ])) : false; + if (!$property || !in_array($property, $className::$nameProperties)) { + $compiler->trigger_template_error("missing or illegal \$smarty.{$tag} property attribute", null, true); + } + $tagVar = "'__smarty_{$tag}_{$name}'"; + return "(isset(\$_smarty_tpl->tpl_vars[{$tagVar}]->value['{$property}']) ? \$_smarty_tpl->tpl_vars[{$tagVar}]->value['{$property}'] : null)"; + } +}
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