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authorVasudev Kamath <kamathvasudev@gmail.com>2012-07-06 22:47:27 +0530
committerVasudev Kamath <kamathvasudev@gmail.com>2012-07-06 22:47:27 +0530
commitba4db236ecff1ffdb56adc2715b3f53515f8cb34 (patch)
treef0b9928aade8aab95d1608890fde1918ce163754 /library/Smarty/libs/sysplugins/smarty_internal_compilebase.php
parent6e4760dd9c512147309b5e4a98d25216610f81da (diff)
parenta122fecf50d06856a2ada8b564f711fb52c327f0 (diff)
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Merge branch 'master' of git://github.com/friendica/friendica
Diffstat (limited to 'library/Smarty/libs/sysplugins/smarty_internal_compilebase.php')
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diff --git a/library/Smarty/libs/sysplugins/smarty_internal_compilebase.php b/library/Smarty/libs/sysplugins/smarty_internal_compilebase.php
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+<?php
+/**
+ * Smarty Internal Plugin CompileBase
+ *
+ * @package Smarty
+ * @subpackage Compiler
+ * @author Uwe Tews
+ */
+
+/**
+ * This class does extend all internal compile plugins
+ *
+ * @package Smarty
+ * @subpackage Compiler
+ */
+abstract class Smarty_Internal_CompileBase {
+
+ /**
+ * Array of names of required attribute required by tag
+ *
+ * @var array
+ */
+ public $required_attributes = array();
+ /**
+ * Array of names of optional attribute required by tag
+ * use array('_any') if there is no restriction of attributes names
+ *
+ * @var array
+ */
+ public $optional_attributes = array();
+ /**
+ * Shorttag attribute order defined by its names
+ *
+ * @var array
+ */
+ public $shorttag_order = array();
+ /**
+ * Array of names of valid option flags
+ *
+ * @var array
+ */
+ public $option_flags = array('nocache');
+
+ /**
+ * This function checks if the attributes passed are valid
+ *
+ * The attributes passed for the tag to compile are checked against the list of required and
+ * optional attributes. Required attributes must be present. Optional attributes are check against
+ * the corresponding list. The keyword '_any' specifies that any attribute will be accepted
+ * as valid
+ *
+ * @param object $compiler compiler object
+ * @param array $attributes attributes applied to the tag
+ * @return array of mapped attributes for further processing
+ */
+ public function getAttributes($compiler, $attributes)
+ {
+ $_indexed_attr = array();
+ // loop over attributes
+ foreach ($attributes as $key => $mixed) {
+ // shorthand ?
+ if (!is_array($mixed)) {
+ // option flag ?
+ if (in_array(trim($mixed, '\'"'), $this->option_flags)) {
+ $_indexed_attr[trim($mixed, '\'"')] = true;
+ // shorthand attribute ?
+ } else if (isset($this->shorttag_order[$key])) {
+ $_indexed_attr[$this->shorttag_order[$key]] = $mixed;
+ } else {
+ // too many shorthands
+ $compiler->trigger_template_error('too many shorthand attributes', $compiler->lex->taglineno);
+ }
+ // named attribute
+ } else {
+ $kv = each($mixed);
+ // option flag?
+ if (in_array($kv['key'], $this->option_flags)) {
+ if (is_bool($kv['value'])) {
+ $_indexed_attr[$kv['key']] = $kv['value'];
+ } else if (is_string($kv['value']) && in_array(trim($kv['value'], '\'"'), array('true', 'false'))) {
+ if (trim($kv['value']) == 'true') {
+ $_indexed_attr[$kv['key']] = true;
+ } else {
+ $_indexed_attr[$kv['key']] = false;
+ }
+ } else if (is_numeric($kv['value']) && in_array($kv['value'], array(0, 1))) {
+ if ($kv['value'] == 1) {
+ $_indexed_attr[$kv['key']] = true;
+ } else {
+ $_indexed_attr[$kv['key']] = false;
+ }
+ } else {
+ $compiler->trigger_template_error("illegal value of option flag \"{$kv['key']}\"", $compiler->lex->taglineno);
+ }
+ // must be named attribute
+ } else {
+ reset($mixed);
+ $_indexed_attr[key($mixed)] = $mixed[key($mixed)];
+ }
+ }
+ }
+ // check if all required attributes present
+ foreach ($this->required_attributes as $attr) {
+ if (!array_key_exists($attr, $_indexed_attr)) {
+ $compiler->trigger_template_error("missing \"" . $attr . "\" attribute", $compiler->lex->taglineno);
+ }
+ }
+ // check for unallowed attributes
+ if ($this->optional_attributes != array('_any')) {
+ $tmp_array = array_merge($this->required_attributes, $this->optional_attributes, $this->option_flags);
+ foreach ($_indexed_attr as $key => $dummy) {
+ if (!in_array($key, $tmp_array) && $key !== 0) {
+ $compiler->trigger_template_error("unexpected \"" . $key . "\" attribute", $compiler->lex->taglineno);
+ }
+ }
+ }
+ // default 'false' for all option flags not set
+ foreach ($this->option_flags as $flag) {
+ if (!isset($_indexed_attr[$flag])) {
+ $_indexed_attr[$flag] = false;
+ }
+ }
+
+ return $_indexed_attr;
+ }
+
+ /**
+ * Push opening tag name on stack
+ *
+ * Optionally additional data can be saved on stack
+ *
+ * @param object $compiler compiler object
+ * @param string $openTag the opening tag's name
+ * @param mixed $data optional data saved
+ */
+ public function openTag($compiler, $openTag, $data = null)
+ {
+ array_push($compiler->_tag_stack, array($openTag, $data));
+ }
+
+ /**
+ * Pop closing tag
+ *
+ * Raise an error if this stack-top doesn't match with expected opening tags
+ *
+ * @param object $compiler compiler object
+ * @param array|string $expectedTag the expected opening tag names
+ * @return mixed any type the opening tag's name or saved data
+ */
+ public function closeTag($compiler, $expectedTag)
+ {
+ if (count($compiler->_tag_stack) > 0) {
+ // get stacked info
+ list($_openTag, $_data) = array_pop($compiler->_tag_stack);
+ // open tag must match with the expected ones
+ if (in_array($_openTag, (array) $expectedTag)) {
+ if (is_null($_data)) {
+ // return opening tag
+ return $_openTag;
+ } else {
+ // return restored data
+ return $_data;
+ }
+ }
+ // wrong nesting of tags
+ $compiler->trigger_template_error("unclosed {" . $_openTag . "} tag");
+ return;
+ }
+ // wrong nesting of tags
+ $compiler->trigger_template_error("unexpected closing tag", $compiler->lex->taglineno);
+ return;
+ }
+
+}
+
+?> \ No newline at end of file