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| Редакция | Автор | № строки | Строка |
|---|---|---|---|
| 304 | alex-w | 1 | <?php |
| 2 | |||
| 3 | /** |
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| 4 | * Smarty Internal Plugin CompileBase |
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| 5 | * |
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| 6 | * @package Smarty |
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| 7 | * @subpackage Compiler |
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| 8 | * @author Uwe Tews |
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| 9 | */ |
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| 10 | |||
| 11 | /* |
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| 12 | interface TagCompilerInterface { |
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| 13 | public function compile($args, $compiler); |
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| 14 | } |
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| 15 | */ |
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| 16 | |||
| 17 | /** |
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| 18 | * This class does extend all internal compile plugins |
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| 19 | */ |
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| 20 | //abstract class Smarty_Internal_CompileBase implements TagCompilerInterface |
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| 21 | abstract class Smarty_Internal_CompileBase |
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| 22 | { |
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| 23 | function __construct() |
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| 24 | { |
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| 25 | // initialize valid attributes |
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| 26 | $this->required_attributes = array(); |
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| 27 | $this->optional_attributes = array(); |
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| 28 | } |
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| 29 | |||
| 30 | /** |
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| 31 | * This function checks if the attributes passed are valid |
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| 32 | * |
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| 33 | * The attributes passed for the tag to compile are checked against the list of required and |
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| 34 | * optional attributes. Required attributes must be present. Optional attributes are check against |
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| 35 | * against the corresponding list. The keyword '_any' specifies that any attribute will be accepted |
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| 36 | * as valid |
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| 37 | * |
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| 38 | * @todo More generallized handling of the nocache attributes in compile plugins |
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| 39 | * @param array $args attributes applied to the tag |
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| 40 | * @return array attributes for further processing |
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| 41 | */ |
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| 42 | function _get_attributes ($args) |
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| 43 | { |
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| 44 | // check if all required attributes present |
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| 45 | foreach ($this->required_attributes as $attr) { |
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| 46 | if (!array_key_exists($attr, $args)) { |
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| 47 | $this->compiler->trigger_template_error("missing \"" . $attr . "\" attribute"); |
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| 48 | } |
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| 49 | } |
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| 50 | // check for unallowed attributes |
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| 51 | if ($this->optional_attributes != array('_any')) { |
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| 52 | $tmp_array = array_merge($this->required_attributes, $this->optional_attributes); |
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| 53 | foreach ($args as $key => $dummy) { |
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| 54 | if (!in_array($key, $tmp_array) && $key !== 0) { |
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| 55 | $this->compiler->trigger_template_error("unexspected \"" . $key . "\" attribute"); |
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| 56 | } |
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| 57 | } |
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| 58 | } |
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| 59 | |||
| 60 | return $args; |
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| 61 | } |
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| 62 | |||
| 63 | /** |
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| 64 | * Push opening tag name on stack |
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| 65 | * |
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| 66 | * Optionally additional data can be saved on stack |
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| 67 | * |
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| 68 | * @param string $open_tag the opening tag's name |
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| 69 | * @param anytype $data optional data which shall be saved on stack |
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| 70 | */ |
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| 71 | function _open_tag($open_tag, $data = null) |
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| 72 | { |
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| 73 | array_push($this->compiler->_tag_stack, array($open_tag, $data)); |
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| 74 | } |
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| 75 | |||
| 76 | /** |
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| 77 | * Pop closing tag |
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| 78 | * |
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| 79 | * Raise an error if this stack-top doesn't match with expected opening tags |
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| 80 | * |
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| 81 | * @param array $ |string $expected_tag the expected opening tag names |
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| 82 | * @return anytype the opening tag's name or saved data |
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| 83 | */ |
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| 84 | function _close_tag($expected_tag) |
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| 85 | { |
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| 86 | if (count($this->compiler->_tag_stack) > 0) { |
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| 87 | // get stacked info |
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| 88 | list($_open_tag, $_data) = array_pop($this->compiler->_tag_stack); |
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| 89 | // open tag must match with the expected ones |
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| 90 | if (in_array($_open_tag, (array)$expected_tag)) { |
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| 91 | if (is_null($_data)) { |
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| 92 | // return opening tag |
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| 93 | return $_open_tag; |
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| 94 | } else { |
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| 95 | // return restored data |
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| 96 | return $_data; |
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| 97 | } |
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| 98 | } |
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| 99 | // wrong nesting of tags |
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| 100 | $this->compiler->trigger_template_error("unclosed {" . $_open_tag . "} tag"); |
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| 101 | return; |
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| 102 | } |
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| 103 | // wrong nesting of tags |
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| 104 | $this->compiler->trigger_template_error("unexpected closing tag"); |
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| 105 | return; |
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| 106 | } |
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| 107 | } |
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| 108 | |||
| 109 | ?> |