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The value is parsed in state // 1 and 2. State 1 is used to skip the first equals sign // and state 2 to parse the actual value. $ret->options[$lastOptionId] = array( // @var string The name of the option. 'name' => $token->value, // @var bool Whether it contains an equal sign. // This is used by the builder to rebuild it. 'equals' => $lastOption[1] === 'var=', // @var string Raw value. 'expr' => '', // @var string Processed value. 'value' => '', ); $state = 1; } elseif ($lastOption[1] === 'expr' || $lastOption[1] === 'expr=') { // This is a keyword that is followed by an expression. // The expression is used by the specialized parser. // Skipping this option in order to parse the expression. ++$list->idx; $ret->options[$lastOptionId] = array( // @var string The name of the option. 'name' => $token->value, // @var bool Whether it contains an equal sign. // This is used by the builder to rebuild it. 'equals' => $lastOption[1] === 'expr=', // @var Expression The parsed expression. 'expr' => '', ); $state = 1; } } elseif ($state === 1) { $state = 2; if ($token->token === '=') { $ret->options[$lastOptionId]['equals'] = true; continue; } } // This is outside the `elseif` group above because the change might // change this iteration. if ($state === 2) { if ($lastOption[1] === 'expr' || $lastOption[1] === 'expr=') { $ret->options[$lastOptionId]['expr'] = Expression::parse( $parser, $list, empty($lastOption[2]) ? array() : $lastOption[2] ); $ret->options[$lastOptionId]['value'] = $ret->options[$lastOptionId]['expr']->expr; $lastOption = null; $state = 0; } else { if ($token->token === '(') { ++$brackets; } elseif ($token->token === ')') { --$brackets; } $ret->options[$lastOptionId]['expr'] .= $token->token; if (!((($token->token === '(') && ($brackets === 1)) || (($token->token === ')') && ($brackets === 0))) ) { // First pair of brackets is being skipped. $ret->options[$lastOptionId]['value'] .= $token->value; } // Checking if we finished parsing. if ($brackets === 0) { $lastOption = null; } } } } /* * We reached the end of statement without getting a value * for an option for which a value was required */ if ($state === 1 && $lastOption && ($lastOption[1] == 'expr' || $lastOption[1] == 'var' || $lastOption[1] == 'var=' || $lastOption[1] == 'expr=') ) { $parser->error( sprintf( __('Value/Expression for the option %1$s was expected.'), $ret->options[$lastOptionId]['name'] ), $list->tokens[$list->idx - 1] ); } if (empty($options['_UNSORTED'])) { ksort($ret->options); } --$list->idx; return $ret; } /** * @param OptionsArray $component the component to be built * @param array $options parameters for building * * @return string */ public static function build($component, array $options = array()) { if (empty($component->options)) { return ''; } $options = array(); foreach ($component->options as $option) { if (!is_array($option)) { $options[] = $option; } else { $options[] = $option['name'] . ((!empty($option['equals']) && $option['equals']) ? '=' : ' ') . (!empty($option['expr']) ? $option['expr'] : $option['value']); } } return implode(' ', $options); } /** * Checks if it has the specified option and returns it value or true. * * @param string $key the key to be checked * @param bool $getExpr Gets the expression instead of the value. * The value is the processed form of the expression. * * @return mixed */ public function has($key, $getExpr = false) { foreach ($this->options as $option) { if (is_array($option)) { if (!strcasecmp($key, $option['name'])) { return $getExpr ? $option['expr'] : $option['value']; } } elseif (!strcasecmp($key, $option)) { return true; } } return false; } /** * Removes the option from the array. * * @param string $key the key to be removed * * @return bool whether the key was found and deleted or not */ public function remove($key) { foreach ($this->options as $idx => $option) { if (is_array($option)) { if (!strcasecmp($key, $option['name'])) { unset($this->options[$idx]); return true; } } elseif (!strcasecmp($key, $option)) { unset($this->options[$idx]); return true; } } return false; } /** * Merges the specified options with these ones. Values with same ID will be * replaced. * * @param array|OptionsArray $options the options to be merged */ public function merge($options) { if (is_array($options)) { $this->options = array_merge_recursive($this->options, $options); } elseif ($options instanceof self) { $this->options = array_merge_recursive($this->options, $options->options); } } /** * Checks tf there are no options set. * * @return bool */ public function isEmpty() { return empty($this->options); } }