<?php
/*
* @todo escape atts
*
*
*
*/
class GW_GoPortfolio_Html {
protected $name = null;
protected $atts = null;
protected $content = null;
protected $is_self_closing = false;
protected $self_closing_tags = array( 'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr' );
public function __construct( $name = null, $self_closing = 'auto', $atts = array(), $content = '' ) {
$this->name( $name, $self_closing );
$this->parse_atts( $atts );
$this->content( $content );
}
public function name( $name, $self_closing = 'auto' ) {
if ( !is_null( $this->name ) ) return false;
if ( !empty( $name ) ) {
$name = (string)$name;
//$name = preg_replace( '/[^a-zA-Z]+/', '', $name );
$name = strtolower( $name );
}
if ( empty( $name ) ) return false;
if ( $self_closing == 'auto' && in_array( $name, array( 'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr' ) ) || filter_var( $self_closing, FILTER_VALIDATE_BOOLEAN ) ) {
$this->is_self_closing = true;
}
return $this->name = $name;
}
public function content( $content ) {
if ( $this->is_self_closing || is_null( $this->name ) ) return false;
if ( is_array( $content ) ) {
foreach( $content as $part ) {
$this->content( $part ) ;
}
} elseif ( is_object( $content ) && $content instanceof GW_GoPortfolio_Html ) {
return $this->content[] = $content;
} else {
$content = (string)$content;
if ( strlen( $content ) ) {
return $this->content[] = $content;
}
}
return false;
}
public function get_content( $index = null, $type = null ) {
if ( empty( $this->content ) ) return false;
if ( !is_null( $index ) ) $index = (int)$index;
if ( !is_null( $type ) ) {
$type = trim( (string) $type );
$type = in_array( $type, array( 'element', 'text' ) ) ? $type : null;
}
$result = $this->content;
if ( $type == 'text' ) {
$result = array_filter( $result, 'is_string' );
} elseif ( $type == 'element' ) {
$result = array_filter( $result, 'is_object' );
}
if ( !is_null( $index ) ) {
$result = array_slice( $result, $index, 1, true );
$key = key( $result );
return isset( $result[$key] ) ? $result[$key] : false;
}
return !empty( $result ) ? $result : false;
}
public function remove_content( $index = null, $type = null ) {
$result = $this->get_content( $index, $type );
if ( $result !== false ) {
if ( is_array( $result ) ) {
foreach( $result as $key => $value ) {
unset( $this->content[$key] );
}
} else {
unset( $this->content[$index] );
}
if ( count( $this->content ) == 0 ) $this->content = null;
}
return $result;
}
public function set_attr( $name, $value = null, $unfiltered = false ) {
//$name = strtolower( (string)$name );
$name = (string)$name;
$name = preg_replace( '/[^a-zA-Z0-9_\-:]+/', '', $name );
if ( empty( $name ) || is_null( $value ) ) return false;
$value = (string)$value;
if ( !filter_var( $unfiltered, FILTER_VALIDATE_BOOLEAN ) ) {
$values = explode( ' ', $value );
$value = array_values( $values );
} else {
$value = (array)$value;
}
if ( empty( $this->atts ) ) $this->atts = new stdClass;
if ( !empty( $this->atts->$name ) ) {
$this->atts->$name = array_unique( array_merge( $this->atts->$name , $value ) );
} else {
$this->atts->$name = $value;
}
return true;
}
public function get_attr( $name = null ) {
if ( empty( $this->atts ) ) return false;
if ( !is_null( $name ) ) {
$name = strtolower( (string)$name );
$name = preg_replace( '/[^a-zA-Z0-9_\-:]+/', '', $name );
if ( isset( $this->atts->$name ) ) {
return $this->atts->$name;
} else {
return false;
}
} else {
return $this->atts;
}
}
public function remove_attr( $name = null, $value = null, $unfiltered = false ) {
if ( empty( $this->atts ) ) return false;
if ( is_null( $name ) ) {
$this->atts = null;
return true;
}
$name = strtolower( (string)$name );
$name = preg_replace( '/[^a-zA-Z0-9_\-:]+/', '', $name );
if ( is_null( $value ) ) {
if( !empty($this->atts->$name ) ) {
unset( $this->atts->$name );
return true;
} else {
return false;
}
} else {
if ( count( $this->atts->$name ) == 1 ) {
unset( $this->atts->$name );
} else {
$this->atts->$name = array_diff( $this->atts->$name, (array)$value );
}
}
}
public function parse_atts( $atts ) {
if ( empty( $atts ) ) return false;
$atts = (array)$atts;
foreach( $atts as $att_name => $att_value ) {
$att_name = trim( $att_name );
if ( $att_name != '' && !is_array( $att_value ) ) {
$this->set_attr( $att_name, $att_value );
} else {
$filtered = true;
if ( isset( $att_value[1] ) ) $filtered = filter_var( $att_value[1], FILTER_VALIDATE_BOOLEAN );
if ( isset( $att_value[0] ) ) {
$this->set_attr( $att_name, $att_value[0], $filtered );
}
}
}
return true;
}
public function render_atts( $do_shortcode = false ) {
if ( empty( $this->atts ) ) return false;
$do_shortcode = filter_var( $do_shortcode, FILTER_VALIDATE_BOOLEAN );
foreach( (array)$this->atts as $name => $value ) {
if ( $do_shortcode ) $value = do_shortcode( $value );
$value = array_values( array_filter( $value ,'strlen' ) );
$html[] = sprintf( '%1$s="%2$s"', $name, esc_attr( implode( ' ', $value ) ) );
}
return !empty( $html ) ? ' ' . implode( ' ', $html ) : '';
}
public function render( $print = false ) {
$html = array();
if ( is_array( $this->content ) ) {
foreach ( $this->content as $content ) {
if ( is_object( $content ) ) {
$html[] = $content->render();
} else {
$html[] = $content;
}
}
}
$content = sprintf( '<%1$s%2$s>%3$s%4$s',
$this->name,
$this->render_atts(),
implode( '', $html ),
$this->is_self_closing ? '' : '</' . $this->name . '>'
);
/*return sprintf( '<%1$s%2$s>%3$s%4$s',
$this->name,
$this->render_atts(),
implode( '', $html ),
$this->is_self_closing ? '' : '</' . $this->name . '>'
);*/
if ( !filter_var( $print, FILTER_VALIDATE_BOOLEAN ) ) {
return $content;
} else {
echo $content;
}
}
}
?>