118 lines
2 KiB
PHP
118 lines
2 KiB
PHP
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<?php
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interface View
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{
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public function render( );
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}
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final class HTML
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{
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protected $tag;
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protected $attributes = array( );
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protected $contents = array( );
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protected $cached;
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public function __construct( $tag )
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{
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$this->tag = $tag;
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}
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public function setAttribute( $attribute , $value )
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{
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if ( $value !== null ) {
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$this->attributes[ $attribute ] = $value;
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$this->cached = null;
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}
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return $this;
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}
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public function appendText( $text )
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{
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assert( is_scalar( $text ) );
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array_push( $this->contents , HTML::from( $text ) );
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$this->cached = null;
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return $this;
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}
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public function appendElement( HTML $element )
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{
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array_push( $this->contents , $element );
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$this->cached = null;
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return $this;
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}
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public function appendRaw( $text )
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{
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assert( is_scalar( $text ) );
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array_push( $this->contents , $text );
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$this->cached = null;
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return $this;
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}
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public function append( $auto )
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{
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if ( is_array( $auto ) ) {
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foreach ( $auto as $element ) {
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$this->append( $element );
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}
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} elseif ( is_scalar( $auto ) ) {
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$this->appendRaw( $auto );
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} else {
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$this->appendElement( $auto );
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}
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return $this;
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}
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public function getCode( )
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{
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if ( $this->cached !== null ) {
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return $this->cached;
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}
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$code = '<' . $this->tag;
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if ( ! empty( $this->attributes ) ) {
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$attrs = array( );
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foreach ( $this->attributes as $name => $value ) {
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array_push( $attrs , $name . '="' . $value . '"' );
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}
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$code .= ' ' . join( ' ' , $attrs );
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}
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if ( empty( $this->contents ) ) {
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$code .= ' />';
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} else {
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$code .= '>';
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foreach ( $this->contents as $item ) {
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if ( is_scalar( $item ) ) {
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$code .= $item;
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} else {
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$code .= $item->getCode( );
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}
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}
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$code .= '</' . $this->tag . '>';
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}
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return ( $this->cached = $code );
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}
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public static function make( $tag )
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{
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return new HTML( $tag );
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}
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public static function from( $text )
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{
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return htmlentities( $text , ENT_COMPAT , 'UTF-8' );
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}
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}
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