parser = $csstidy; $this->css = &$csstidy->css; $this->template = &$csstidy->template; $this->tokens = &$csstidy->tokens; $this->charset = &$csstidy->charset; $this->import = &$csstidy->import; $this->namespace = &$csstidy->namespace; } /** * Resets output_css and output_css_plain (new CSS code). * * @since 1.0 */ public function _reset(): void { $this->output_css = ''; $this->output_css_plain = ''; } /** * Returns the CSS code as plain text. * * @since 1.0 * * @param string $default_media Optional. Default @media to add to selectors without any @media. * @return string Plain CSS. */ public function plain( string $default_media = '' ): string { $this->_print( true, $default_media ); return $this->output_css_plain; } /** * Returns the formatted CSS code. * * @since 1.0 * * @param string $default_media Optional. Default @media to add to selectors without any @media. * @return string Formatted CSS. */ public function formatted( string $default_media = '' ): string { $this->_print( false, $default_media ); return $this->output_css; } /** * Returns the formatted CSS code to make a complete webpage. * * @since 1.0 * * @param string $doctype Optional. Shorthand for the document type. * @param bool $externalcss Optional. Indicates whether styles to be attached internally or as an external stylesheet. * @param string $title Optional. Title to be added in the head of the document. * @param string $lang Optional. Two-letter language code to be added to the output. * @return string Formatted CSS for a full page. */ public function formatted_page( string $doctype = 'html5', bool $externalcss = true, string $title = '', string $lang = 'en' ): string { switch ( $doctype ) { case 'html5': $doctype_output = ''; break; case 'xhtml1.0strict': $doctype_output = ''; break; case 'xhtml1.1': default: $doctype_output = ''; break; } $output = ''; $output .= $doctype_output . "\n" . '' : ' lang="' . $lang . '">'; $output .= "\n\n\t{$title}"; if ( $externalcss ) { $output .= "\n\t"; } else { $output .= "\n" . ''; // phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedStylesheet } $output .= "\n\n"; $output .= $this->formatted(); $output .= '' . "\n" . ''; $this->output_css_plain = $output; return $this->output_css_plain; } /** * Returns the formatted CSS Code and saves it into $this->output_css and $this->output_css_plain. * * @since 1.0 * * @param bool $plain Optional. Plain text or not. * @param string $default_media Optional. Default @media to add to selectors without any @media. */ protected function _print( bool $plain = false, string $default_media = '' ): void { if ( $this->output_css && $this->output_css_plain ) { return; } $output = ''; if ( ! $this->parser->get_cfg( 'preserve_css' ) ) { $this->_convert_raw_css( $default_media ); } $template = &$this->template; if ( $plain ) { $template = array_map( 'strip_tags', $template ); } if ( $this->parser->get_cfg( 'timestamp' ) ) { array_unshift( $this->tokens, array( TablePress_CSSTidy::COMMENT, ' CSSTidy: ' . gmdate( 'r' ) . ' ' ) ); } if ( ! empty( $this->charset ) ) { $output .= $template[0] . '@charset ' . $template[5] . $this->charset . $template[6] . $template[13]; } if ( ! empty( $this->import ) ) { for ( $i = 0, $size = count( $this->import ); $i < $size; $i++ ) { $import_components = explode( ' ', $this->import[ $i ] ); if ( str_starts_with( $import_components[0], 'url(' ) && str_ends_with( $import_components[0], ')' ) ) { $import_components[0] = '\'' . trim( substr( $import_components[0], 4, -1 ), "'\"" ) . '\''; $this->import[ $i ] = implode( ' ', $import_components ); $this->parser->log( 'Optimised @import : Removed "url("', 'Information' ); } elseif ( ! preg_match( '/^".+"$/', $this->import[ $i ] ) ) { // Fixes a bug for @import ".." instead of the expected @import url(".."). // If it comes in due to @import ".." the "" will be missing and the output will become @import .. (which is an error). $this->import[ $i ] = '"' . $this->import[ $i ] . '"'; } $output .= $template[0] . '@import ' . $template[5] . $this->import[ $i ] . $template[6] . $template[13]; } } if ( ! empty( $this->namespace ) ) { if ( false !== ( $p = strpos( $this->namespace, 'url(' ) ) && str_ends_with( $this->namespace, ')' ) ) { // phpcs:ignore Generic.CodeAnalysis.AssignmentInCondition.Found,Squiz.PHP.DisallowMultipleAssignments.FoundInControlStructure $this->namespace = substr_replace( $this->namespace, '"', $p, 4 ); $this->namespace = substr( $this->namespace, 0, -1 ) . '"'; $this->parser->log( 'Optimised @namespace : Removed "url("', 'Information' ); } $output .= $template[0] . '@namespace ' . $template[5] . $this->namespace . $template[6] . $template[13]; } $in_at_out = array(); $out = &$output; $indent_level = 0; foreach ( $this->tokens as $key => $token ) { switch ( $token[0] ) { case TablePress_CSSTidy::AT_START: if ( $this->parser->get_cfg( 'preserve_css' ) ) { $token[1] = str_replace( ',', ",\n", $token[1] ); } $out .= $template[0] . $this->_htmlsp( $token[1], $plain ) . $template[1]; ++$indent_level; if ( ! isset( $in_at_out[ $indent_level ] ) ) { $in_at_out[ $indent_level ] = ''; } $out = &$in_at_out[ $indent_level ]; break; case TablePress_CSSTidy::SEL_START: if ( $this->parser->get_cfg( 'lowercase_s' ) ) { $token[1] = strtolower( $token[1] ); } if ( $this->parser->get_cfg( 'preserve_css' ) ) { $token[1] = str_replace( ',', ",\n", $token[1] ); } $out .= ( '@' !== $token[1][0] ) ? $template[2] . $this->_htmlsp( $token[1], $plain ) : $template[0] . $this->_htmlsp( $token[1], $plain ); $out .= $template[3]; break; case TablePress_CSSTidy::PROPERTY: if ( 2 === $this->parser->get_cfg( 'case_properties' ) ) { $token[1] = strtoupper( $token[1] ); } elseif ( 1 === $this->parser->get_cfg( 'case_properties' ) ) { $token[1] = strtolower( $token[1] ); } $out .= $template[4] . $this->_htmlsp( $token[1], $plain ) . ':' . $template[5]; break; case TablePress_CSSTidy::VALUE: $out .= $this->_htmlsp( $token[1], $plain ); if ( TablePress_CSSTidy::SEL_END === $this->_seeknocomment( $key, 1 ) && $this->parser->get_cfg( 'remove_last_;' ) ) { $out .= str_replace( ';', '', $template[6] ); } else { $out .= $template[6]; } if ( $this->parser->get_cfg( 'preserve_css' ) ) { $out .= ( TablePress_CSSTidy::COMMENT === $this->tokens[ $key + 1 ][0] ) ? ' ' : "\n"; } break; case TablePress_CSSTidy::SEL_END: $out .= $template[7]; if ( TablePress_CSSTidy::AT_END !== $this->_seeknocomment( $key, 1 ) ) { $out .= $template[8]; } break; case TablePress_CSSTidy::AT_END: if ( strlen( $template[10] ) ) { // Indent the block we are closing. $out = str_replace( "\n\n", "\r\n", $out ); // Don't fill empty lines. $out = str_replace( "\n", "\n" . $template[10], $out ); $out = str_replace( "\r\n", "\n\n", $out ); } if ( $indent_level > 1 ) { $out = &$in_at_out[ $indent_level - 1 ]; } else { $out = &$output; } $out .= $template[10] . $in_at_out[ $indent_level ]; if ( TablePress_CSSTidy::AT_END !== $this->_seeknocomment( $key, 1 ) ) { $out .= $template[9]; } else { $out .= rtrim( $template[9] ); } unset( $in_at_out[ $indent_level ] ); --$indent_level; break; case TablePress_CSSTidy::IMPORTANT_COMMENT: case TablePress_CSSTidy::COMMENT: $out .= $template[11] . '/*' . $this->_htmlsp( $token[1], $plain ) . '*/' . $template[12]; break; } } if ( ! $this->parser->get_cfg( 'preserve_css' ) ) { $output = str_replace( ' !important', '!important', $output ); } $output = trim( $output ); if ( ! $plain ) { $this->output_css = $output; $this->_print( true ); } else { // If using spaces in the template, don't want these to appear in the plain output. $this->output_css_plain = str_replace( ' ', '', $output ); } } /** * Gets the next token type which is $move away from $key, excluding comments. * * @since 1.0 * * @param int $key Current position. * @param int $move Move this far. * @return mixed A token type. */ protected function _seeknocomment( int $key, int $move ) /* : mixed */ { $go = ( $move > 0 ) ? 1 : -1; for ( $i = $key + 1; abs( $key - $i ) - 1 < abs( $move ); $i += $go ) { // phpcs:ignore Generic.CodeAnalysis.ForLoopWithTestFunctionCall.NotAllowed if ( ! isset( $this->tokens[ $i ] ) ) { return; } if ( TablePress_CSSTidy::COMMENT === $this->tokens[ $i ][0] ) { ++$move; continue; } return $this->tokens[ $i ][0]; } } /** * Converts $this->css array to a raw array ($this->tokens). * * @since 1.0.0 * * @param string $default_media Optional. Default @media to add to selectors without any @media. */ protected function _convert_raw_css( string $default_media = '' ): void { $this->tokens = array(); $sort_selectors = $this->parser->get_cfg( 'sort_selectors' ); $sort_properties = $this->parser->get_cfg( 'sort_properties' ); // Important comment section? if ( isset( $this->css['!'] ) ) { $this->parser->_add_token( TablePress_CSSTidy::IMPORTANT_COMMENT, rtrim( $this->css['!'] ), true ); unset( $this->css['!'] ); } foreach ( $this->css as $medium => $val ) { if ( $sort_selectors ) { ksort( $val ); } if ( (int) $medium < TablePress_CSSTidy::DEFAULT_AT ) { // An empty medium (containing @font-face or other @) produces no container. if ( strlen( trim( $medium ) ) ) { $parts_to_open = explode( '{', $medium ); foreach ( $parts_to_open as $part ) { $this->parser->_add_token( TablePress_CSSTidy::AT_START, $part, true ); } } } elseif ( $default_media ) { $this->parser->_add_token( TablePress_CSSTidy::AT_START, $default_media, true ); } foreach ( $val as $selector => $vali ) { if ( $sort_properties ) { ksort( $vali ); } $this->parser->_add_token( TablePress_CSSTidy::SEL_START, $selector, true ); $invalid = array( '*' => array(), // IE7 hacks first. '_' => array(), // IE6 hacks. '/' => array(), // IE6 hacks. '-' => array(), // IE6 hacks. ); foreach ( $vali as $property => $valj ) { if ( ! str_starts_with( $property, '//' ) ) { $matches = array(); if ( $sort_properties && preg_match( '/^(\*|_|\/|-)(?!(ms|moz|o\b|xv|atsc|wap|khtml|webkit|ah|hp|ro|rim|tc)-)/', $property, $matches ) ) { $invalid[ $matches[1] ][ $property ] = $valj; } else { $this->parser->_add_token( TablePress_CSSTidy::PROPERTY, $property, true ); $this->parser->_add_token( TablePress_CSSTidy::VALUE, $valj, true ); } } } foreach ( $invalid as $prefix => $props ) { foreach ( $props as $property => $valj ) { $this->parser->_add_token( TablePress_CSSTidy::PROPERTY, $property, true ); $this->parser->_add_token( TablePress_CSSTidy::VALUE, $valj, true ); } } $this->parser->_add_token( TablePress_CSSTidy::SEL_END, $selector, true ); } if ( (int) $medium < TablePress_CSSTidy::DEFAULT_AT ) { // An empty medium (containing @font-face or other @) produces no container. if ( strlen( trim( $medium ) ) ) { $parts_to_close = explode( '{', $medium ); foreach ( array_reverse( $parts_to_close ) as $part ) { $this->parser->_add_token( TablePress_CSSTidy::AT_END, $part, true ); } } } elseif ( $default_media ) { $this->parser->_add_token( TablePress_CSSTidy::AT_END, $default_media, true ); } } } /** * Same as htmlspecialchars, only that chars are not replaced if $plain is true. This makes print_code() cleaner. * * @since 1.0 * * @see CSSTidy_print::_print() * * @param string $a_string String. * @param bool $plain Whether to print plain. * @return string Original string or htmlspecialchars() version. */ protected function _htmlsp( string $a_string, bool $plain ): string { if ( ! $plain ) { return htmlspecialchars( $a_string, ENT_QUOTES, 'utf-8' ); } return $a_string; } /** * Gets compression ratio. * * @since 1.2 * * @return double Compression ratio. */ public function get_ratio(): float { if ( ! $this->output_css_plain ) { $this->formatted(); } return round( ( strlen( $this->input_css ) - strlen( $this->output_css_plain ) ) / strlen( $this->input_css ), 3 ) * 100; } /** * Gets difference between the old and new code in bytes and prints the code if necessary. * * @since 1.1 * * @return string Size difference. */ public function get_diff(): string { if ( ! $this->output_css_plain ) { $this->formatted(); } $diff = strlen( $this->output_css_plain ) - strlen( $this->input_css ); if ( $diff > 0 ) { return '+' . $diff; } elseif ( 0 === $diff ) { return '+-' . $diff; } return (string) $diff; } /** * Gets the size of either input or output CSS in kilobytes (KB). * * @since 1.0 * * @param string $loc Optional. Location of the CSS. * @return double Size of the CSS. */ public function size( string $loc = 'output' ): float { if ( 'output' === $loc && ! $this->output_css ) { $this->formatted(); } if ( 'input' === $loc ) { return strlen( $this->input_css ) / 1000; } else { return strlen( $this->output_css_plain ) / 1000; } } } // class TablePress_CSSTidy_Print