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<?php |
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namespace Crocoblock\Blocks_Style\Field_Handlers; |
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|
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class Base { |
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|
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protected $raw_value = ''; |
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|
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/** |
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* Constructor |
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* |
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* @param string $raw_value Raw value to be parsed. |
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*/ |
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public function __construct( $raw_value = '' ) { |
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$this->raw_value = $raw_value; |
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} |
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|
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/** |
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* Get the parsed value. |
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* |
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* @return array |
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*/ |
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public function get_parsed_value() { |
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return array( |
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'value' => $this->raw_value, |
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); |
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} |
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|
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/** |
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* String with CSS variable macros. |
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* Should be rewritten in the classes with multiple parameters |
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* returned by get_parsed_value() method. |
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*/ |
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public function css_var_value_format() { |
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return '{{VALUE}}'; |
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} |
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|
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/** |
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* Replace data in the string with CSS variable macros. |
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* |
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* @param string $string String with macros. |
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* @param array $data Data to replace in the string. |
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* |
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* @return array |
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*/ |
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public function parse_variable( $variable = array() ) { |
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|
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$prefix = isset($variable['prefix']) ? $variable['prefix'] : ''; |
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$name = isset($variable['name']) ? $variable['name'] : false; |
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$full_name = isset($variable['full_name']) ? $variable['full_name'] : $prefix . '-' . $name; |
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|
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if ( ! $full_name ) { |
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return array(); |
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} |
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|
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if ( isset( $variable['suffix'] ) ) { |
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$full_name .= $variable['suffix']; |
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} |
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|
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$parsed_values = $this->get_parsed_value(); |
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$result = array(); |
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|
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if ( ! empty( $parsed_values['value'] ) ) { |
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$result[] = $full_name . ':' . $parsed_values['value']; |
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} else { |
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$values = self::replace_data( $this->css_var_value_format(), $parsed_values ); |
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$values = trim( $values ); |
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|
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if ( ! empty( $values ) ) { |
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$result[] = $full_name . ':' . $values; |
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} |
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} |
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|
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return $result; |
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} |
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|
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/** |
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* Parses data with macros. |
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* |
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* @param string $data Data to parse. |
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* @param array $macros Macros to replace. |
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* @return string Parsed data. |
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*/ |
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public static function replace_data( $data = '', $macros = array() ) { |
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|
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if ( empty( $data ) || ! is_string( $data ) ) { |
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return ''; |
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} |
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|
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if ( ! empty( $macros ) && is_array( $macros ) ) { |
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$data = preg_replace_callback( |
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'/\{\{\s*([\w-]+)\s*\}\}/', |
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function ( $matches ) use ( $macros ) { |
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$key = strtolower( $matches[1] ); |
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return isset( $macros[ $key ] ) ? $macros[ $key ] : ''; |
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}, |
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$data |
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); |
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} |
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|
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return trim( $data ); |
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} |
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|
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/** |
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* Get CSS rule string with replaced macros. |
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* |
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* @param string $rule_string String with CSS rule and macros. |
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* @return string Parsed CSS rule. |
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*/ |
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public function get_css_rule( $rule_string = '' ) { |
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$parsed_values = $this->get_parsed_value(); |
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|
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if ( empty( $parsed_values ) || ! is_array( $parsed_values ) ) { |
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return ''; |
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} |
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|
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return self::replace_data( $rule_string, $parsed_values ); |
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} |
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} |
