140 lines
3.7 KiB
PHP
140 lines
3.7 KiB
PHP
<?php
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/**
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* WP_Style_Engine_CSS_Rule
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*
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* An object for CSS rules.
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*
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* @package WordPress
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* @subpackage StyleEngine
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* @since 6.1.0
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*/
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/**
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* Class WP_Style_Engine_CSS_Rule.
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*
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* Holds, sanitizes, processes and prints CSS declarations for the style engine.
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*
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* @since 6.1.0
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*/
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class WP_Style_Engine_CSS_Rule {
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/**
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* The selector.
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*
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* @since 6.1.0
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* @var string
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*/
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protected $selector;
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/**
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* The selector declarations.
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*
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* Contains a WP_Style_Engine_CSS_Declarations object.
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*
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* @since 6.1.0
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* @var WP_Style_Engine_CSS_Declarations
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*/
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protected $declarations;
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/**
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* Constructor
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*
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* @since 6.1.0
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*
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* @param string $selector The CSS selector.
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* @param string[]|WP_Style_Engine_CSS_Declarations $declarations An associative array of CSS definitions, e.g., array( "$property" => "$value", "$property" => "$value" ),
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* or a WP_Style_Engine_CSS_Declarations object.
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*/
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public function __construct( $selector = '', $declarations = array() ) {
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$this->set_selector( $selector );
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$this->add_declarations( $declarations );
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}
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/**
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* Sets the selector.
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*
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* @since 6.1.0
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*
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* @param string $selector The CSS selector.
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*
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* @return WP_Style_Engine_CSS_Rule Returns the object to allow chaining of methods.
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*/
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public function set_selector( $selector ) {
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$this->selector = $selector;
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return $this;
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}
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/**
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* Sets the declarations.
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*
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* @since 6.1.0
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*
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* @param array|WP_Style_Engine_CSS_Declarations $declarations An array of declarations (property => value pairs),
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* or a WP_Style_Engine_CSS_Declarations object.
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*
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* @return WP_Style_Engine_CSS_Rule Returns the object to allow chaining of methods.
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*/
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public function add_declarations( $declarations ) {
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$is_declarations_object = ! is_array( $declarations );
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$declarations_array = $is_declarations_object ? $declarations->get_declarations() : $declarations;
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if ( null === $this->declarations ) {
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if ( $is_declarations_object ) {
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$this->declarations = $declarations;
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return $this;
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}
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$this->declarations = new WP_Style_Engine_CSS_Declarations( $declarations_array );
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}
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$this->declarations->add_declarations( $declarations_array );
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return $this;
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}
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/**
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* Gets the declarations object.
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*
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* @since 6.1.0
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*
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* @return WP_Style_Engine_CSS_Declarations The declarations object.
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*/
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public function get_declarations() {
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return $this->declarations;
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}
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/**
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* Gets the full selector.
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*
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* @since 6.1.0
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*
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* @return string
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*/
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public function get_selector() {
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return $this->selector;
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}
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/**
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* Gets the CSS.
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*
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* @since 6.1.0
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*
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* @param bool $should_prettify Whether to add spacing, new lines and indents.
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* @param number $indent_count The number of tab indents to apply to the rule. Applies if `prettify` is `true`.
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*
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* @return string
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*/
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public function get_css( $should_prettify = false, $indent_count = 0 ) {
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$rule_indent = $should_prettify ? str_repeat( "\t", $indent_count ) : '';
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$declarations_indent = $should_prettify ? $indent_count + 1 : 0;
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$suffix = $should_prettify ? "\n" : '';
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$spacer = $should_prettify ? ' ' : '';
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$selector = $should_prettify ? str_replace( ',', ",\n", $this->get_selector() ) : $this->get_selector();
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$css_declarations = $this->declarations->get_declarations_string( $should_prettify, $declarations_indent );
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if ( empty( $css_declarations ) ) {
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return '';
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}
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return "{$rule_indent}{$selector}{$spacer}{{$suffix}{$css_declarations}{$suffix}{$rule_indent}}";
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}
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}
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