mirror of
https://github.com/smarty-php/smarty.git
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c83ef6792c
- fixed reported line number at "unexpected closing tag " exception
- bugfix on escape:'mail' modifier
- drop exception if 'item' variable is equal 'from' variable in {foreach} tag
103 lines
3.4 KiB
PHP
103 lines
3.4 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin CompileBase
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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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* This class does extend all internal compile plugins
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*/
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//abstract class Smarty_Internal_CompileBase implements TagCompilerInterface
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abstract class Smarty_Internal_CompileBase
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{
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function __construct()
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{
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// initialize valid attributes
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$this->required_attributes = array();
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$this->optional_attributes = array();
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}
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/**
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* This function checks if the attributes passed are valid
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*
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* The attributes passed for the tag to compile are checked against the list of required and
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* optional attributes. Required attributes must be present. Optional attributes are check against
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* against the corresponding list. The keyword '_any' specifies that any attribute will be accepted
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* as valid
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*
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* @todo More generallized handling of the nocache attributes in compile plugins
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* @param array $args attributes applied to the tag
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* @return array attributes for further processing
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*/
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function _get_attributes ($args)
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{
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// check if all required attributes present
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foreach ($this->required_attributes as $attr) {
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if (!array_key_exists($attr, $args)) {
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$this->compiler->trigger_template_error("missing \"" . $attr . "\" attribute");
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}
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}
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// check for unallowed attributes
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if ($this->optional_attributes != array('_any')) {
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$tmp_array = array_merge($this->required_attributes, $this->optional_attributes);
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foreach ($args as $key => $dummy) {
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if (!in_array($key, $tmp_array) && $key !== 0) {
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$this->compiler->trigger_template_error("unexpected \"" . $key . "\" attribute");
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}
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}
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}
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return $args;
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}
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/**
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* Push opening tag name on stack
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*
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* Optionally additional data can be saved on stack
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*
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* @param string $open_tag the opening tag's name
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* @param anytype $data optional data which shall be saved on stack
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*/
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function _open_tag($open_tag, $data = null)
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{
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array_push($this->compiler->_tag_stack, array($open_tag, $data));
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}
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/**
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* Pop closing tag
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*
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* Raise an error if this stack-top doesn't match with expected opening tags
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*
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* @param array $ |string $expected_tag the expected opening tag names
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* @return anytype the opening tag's name or saved data
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*/
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function _close_tag($expected_tag)
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{
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if (count($this->compiler->_tag_stack) > 0) {
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// get stacked info
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list($_open_tag, $_data) = array_pop($this->compiler->_tag_stack);
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// open tag must match with the expected ones
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if (in_array($_open_tag, (array)$expected_tag)) {
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if (is_null($_data)) {
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// return opening tag
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return $_open_tag;
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} else {
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// return restored data
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return $_data;
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}
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}
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// wrong nesting of tags
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$this->compiler->trigger_template_error("unclosed {" . $_open_tag . "} tag");
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return;
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}
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// wrong nesting of tags
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$this->compiler->trigger_template_error("unexpected closing tag",$this->compiler->lex->taglineno);
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return;
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}
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}
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?>
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