434 lines
13 KiB
PHP
434 lines
13 KiB
PHP
<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
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/**
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* CSSTidy - CSS Parser and Optimiser
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*
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* CSS Printing class
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* This class prints CSS data generated by csstidy.
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*
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* Copyright 2005, 2006, 2007 Florian Schmitz
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*
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* This file is part of CSSTidy.
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*
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* CSSTidy is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* CSSTidy is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* @license https://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License
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* @package csstidy
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* @author Florian Schmitz (floele at gmail dot com) 2005-2007
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* @author Brett Zamir (brettz9 at yahoo dot com) 2007
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* @author Cedric Morin (cedric at yterium dot com) 2010
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*/
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/**
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* CSS Printing class
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*
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* This class prints CSS data generated by csstidy.
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*
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* @package csstidy
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* @author Florian Schmitz (floele at gmail dot com) 2005-2006
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* @version 1.0.1
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*/
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#[AllowDynamicProperties]
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class csstidy_print { // phpcs:ignore
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/**
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* Saves the input CSS string
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*
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* @var string
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* @access private
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*/
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public $input_css = '';
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/**
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* Saves the formatted CSS string
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*
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* @var string
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* @access public
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*/
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public $output_css = '';
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/**
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* Saves the formatted CSS string (plain text)
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*
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* @var string
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* @access public
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*/
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public $output_css_plain = '';
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/**
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* Constructor
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*
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* @param csstidy $css contains the class csstidy.
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* @access private
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* @version 1.0
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*/
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public function __construct( &$css ) {
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$this->parser = & $css;
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$this->css = & $css->css;
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$this->template = & $css->template;
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$this->tokens = & $css->tokens;
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$this->charset = & $css->charset;
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$this->import = & $css->import;
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$this->namespace = & $css->namespace;
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}
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/**
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* Call constructor function.
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*
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* @param csstidy $css - the CSS we're working with.
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*/
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public function csstidy_print( &$css ) {
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$this->__construct( $css );
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}
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/**
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* Resets output_css and output_css_plain (new css code)
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*
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* @access private
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* @version 1.0
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*/
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public function _reset() { // phpcs:ignore PSR2.Methods.MethodDeclaration.Underscore
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$this->output_css = '';
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$this->output_css_plain = '';
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}
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/**
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* Returns the CSS code as plain text
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*
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* @param string $default_media default @media to add to selectors without any @media.
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* @return string
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* @access public
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* @version 1.0
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*/
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public function plain( $default_media = '' ) {
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$this->_print( true, $default_media );
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return $this->output_css_plain;
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}
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/**
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* Returns the formatted CSS code
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*
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* @param string $default_media default @media to add to selectors without any @media.
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* @return string
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* @access public
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* @version 1.0
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*/
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public function formatted( $default_media = '' ) {
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$this->_print( false, $default_media );
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return $this->output_css;
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}
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/**
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* Returns the formatted CSS code to make a complete webpage
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*
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* @param string $doctype shorthand for the document type.
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* @param bool $externalcss indicates whether styles to be attached internally or as an external stylesheet.
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* @param string $title title to be added in the head of the document.
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* @param string $lang two-letter language code to be added to the output.
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* @return string
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* @access public
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* @version 1.4
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*/
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public function formatted_page( $doctype = 'xhtml1.1', $externalcss = true, $title = '', $lang = 'en' ) {
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switch ( $doctype ) {
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case 'xhtml1.0strict':
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$doctype_output = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
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break;
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case 'xhtml1.1':
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default:
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$doctype_output = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
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"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">';
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break;
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}
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$cssparsed = '';
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$output = '';
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$this->output_css_plain = & $output;
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$output .= $doctype_output . "\n" . '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="' . $lang . '"';
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$output .= ( $doctype === 'xhtml1.1' ) ? '>' : ' lang="' . $lang . '">';
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$output .= "\n<head>\n <title>$title</title>";
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if ( $externalcss ) {
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$output .= "\n <style type=\"text/css\">\n";
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$cssparsed = file_get_contents( 'cssparsed.css' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
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$output .= $cssparsed; // Adds an invisible BOM or something, but not in css_optimised.php
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$output .= "\n</style>";
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} else {
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$output .= "\n" . ' <link rel="stylesheet" type="text/css" href="cssparsed.css" />'; // phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedStylesheet
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// }
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}
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$output .= "\n</head>\n<body><code id=\"copytext\">";
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$output .= $this->formatted();
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$output .= '</code>' . "\n" . '</body></html>';
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return $this->output_css_plain;
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}
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/**
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* Returns the formatted CSS Code and saves it into $this->output_css and $this->output_css_plain
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*
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* @param bool $plain plain text or not.
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* @param string $default_media default @media to add to selectors without any @media.
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* @access private
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* @version 2.0
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*/
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public function _print( $plain = false, $default_media = '' ) { // phpcs:ignore PSR2.Methods.MethodDeclaration.Underscore -- print is a reserved word anyway.
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if ( $this->output_css && $this->output_css_plain ) {
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return;
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}
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$output = '';
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if ( ! $this->parser->get_cfg( 'preserve_css' ) ) {
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$this->convert_raw_css( $default_media );
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}
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$template = & $this->template;
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if ( $plain ) {
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$template = array_map( 'strip_tags', $template );
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}
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if ( $this->parser->get_cfg( 'timestamp' ) ) {
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array_unshift( $this->tokens, array( COMMENT, ' CSSTidy ' . $this->parser->version . ': ' . gmdate( 'r' ) . ' ' ) );
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}
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if ( ! empty( $this->charset ) ) {
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$output .= $template[0] . '@charset ' . $template[5] . $this->charset . $template[6];
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}
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if ( ! empty( $this->import ) ) {
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$import_count = is_countable( $this->import ) ? count( $this->import ) : 0;
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for ( $i = 0; $i < $import_count; $i++ ) {
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$import_components = explode( ' ', $this->import[ $i ] );
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if ( str_starts_with( $import_components[0], 'url(' ) && str_ends_with( $import_components[0], ')' ) ) {
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$import_components[0] = '\'' . trim( substr( $import_components[0], 4, -1 ), "'\"" ) . '\'';
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$this->import[ $i ] = implode( ' ', $import_components );
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$this->parser->log( 'Optimised @import : Removed "url("', 'Information' );
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}
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$output .= $template[0] . '@import ' . $template[5] . $this->import[ $i ] . $template[6];
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}
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}
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if ( ! empty( $this->namespace ) ) {
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if ( str_starts_with( $this->namespace, 'url(' ) && str_ends_with( $this->namespace, ')' ) ) {
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$this->namespace = '\'' . substr( $this->namespace, 4, -1 ) . '\'';
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$this->parser->log( 'Optimised @namespace : Removed "url("', 'Information' );
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}
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$output .= $template[0] . '@namespace ' . $template[5] . $this->namespace . $template[6];
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}
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$output .= $template[13];
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$in_at_out = '';
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$out = & $output;
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foreach ( $this->tokens as $key => $token ) {
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switch ( $token[0] ) {
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case AT_START:
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$out .= $template[0] . $this->htmlsp( $token[1], $plain ) . $template[1];
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$out = & $in_at_out;
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break;
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case SEL_START:
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if ( $this->parser->get_cfg( 'lowercase_s' ) ) {
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$token[1] = strtolower( $token[1] );
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}
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$out .= ( $token[1][0] !== '@' ) ? $template[2] . $this->htmlsp( $token[1], $plain ) : $template[0] . $this->htmlsp( $token[1], $plain );
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$out .= $template[3];
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break;
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case PROPERTY:
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if ( $this->parser->get_cfg( 'case_properties' ) === 2 ) {
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$token[1] = strtoupper( $token[1] );
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} elseif ( $this->parser->get_cfg( 'case_properties' ) === 1 ) {
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$token[1] = strtolower( $token[1] );
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}
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$out .= $template[4] . $this->htmlsp( $token[1], $plain ) . ':' . $template[5];
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break;
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case VALUE:
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$out .= $this->htmlsp( $token[1], $plain );
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if ( $this->seeknocomment( $key, 1 ) === SEL_END && $this->parser->get_cfg( 'remove_last_;' ) ) {
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$out .= str_replace( ';', '', $template[6] );
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} else {
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$out .= $template[6];
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}
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break;
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case SEL_END:
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$out .= $template[7];
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if ( $this->seeknocomment( $key, 1 ) !== AT_END ) {
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$out .= $template[8];
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}
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break;
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case AT_END:
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$out = & $output;
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$out .= $template[10] . str_replace( "\n", "\n" . $template[10], $in_at_out );
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$in_at_out = '';
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$out .= $template[9];
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break;
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case COMMENT:
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$out .= $template[11] . '/*' . $this->htmlsp( $token[1], $plain ) . '*/' . $template[12];
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break;
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}
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}
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$output = trim( $output );
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if ( ! $plain ) {
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$this->output_css = $output;
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$this->_print( true );
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} else {
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// If using spaces in the template, don't want these to appear in the plain output
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$this->output_css_plain = str_replace( ' ', '', $output );
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}
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}
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/**
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* Gets the next token type which is $move away from $key, excluding comments
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*
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* @param integer $key current position.
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* @param integer $move move this far.
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* @return mixed a token type
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* @access private
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* @version 1.0
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*/
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public function seeknocomment( $key, $move ) {
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$go = ( $move > 0 ) ? 1 : -1;
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for ( $i = $key + 1; abs( $key - $i ) - 1 < abs( $move ); $i += $go ) { // phpcs:ignore Generic.CodeAnalysis.ForLoopWithTestFunctionCall.NotAllowed
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if ( ! isset( $this->tokens[ $i ] ) ) {
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return;
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}
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if ( $this->tokens[ $i ][0] === COMMENT ) {
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++$move;
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continue;
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}
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return $this->tokens[ $i ][0];
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}
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}
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/**
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* Converts $this->css array to a raw array ($this->tokens)
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*
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* @param string $default_media default @media to add to selectors without any @media.
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* @access private
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* @version 1.0
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*/
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public function convert_raw_css( $default_media = '' ) {
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$this->tokens = array();
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foreach ( $this->css as $medium => $val ) {
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if ( $this->parser->get_cfg( 'sort_selectors' ) ) {
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ksort( $val );
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}
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if ( (int) $medium < DEFAULT_AT ) {
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$this->parser->_add_token( AT_START, $medium, true );
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} elseif ( $default_media ) {
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$this->parser->_add_token( AT_START, $default_media, true );
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}
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foreach ( $val as $selector => $vali ) {
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if ( $this->parser->get_cfg( 'sort_properties' ) ) {
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ksort( $vali );
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}
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$this->parser->_add_token( SEL_START, $selector, true );
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foreach ( $vali as $property => $valj ) {
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$this->parser->_add_token( PROPERTY, $property, true );
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$this->parser->_add_token( VALUE, $valj, true );
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}
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$this->parser->_add_token( SEL_END, $selector, true );
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}
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if ( (int) $medium < DEFAULT_AT ) {
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$this->parser->_add_token( AT_END, $medium, true );
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} elseif ( $default_media ) {
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$this->parser->_add_token( AT_END, $default_media, true );
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}
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}
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}
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/**
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* Same as htmlspecialchars, only that chars are not replaced if $plain !== true. This makes print_code() cleaner.
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*
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* @param string $string - the string we're converting.
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* @param bool $plain - plain text or not.
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* @return string
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* @see csstidy_print::_print()
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* @access private
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* @version 1.0
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*/
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public function htmlsp( $string, $plain ) {
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if ( ! $plain ) {
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return htmlspecialchars( $string, ENT_QUOTES, 'utf-8' );
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}
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return $string;
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}
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/**
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* Get compression ratio
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*
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* @access public
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* @return float
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* @version 1.2
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*/
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public function get_ratio() {
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if ( ! $this->output_css_plain ) {
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$this->formatted();
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}
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return round( ( strlen( $this->input_css ) - strlen( $this->output_css_plain ) ) / strlen( $this->input_css ), 3 ) * 100;
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}
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/**
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* Get difference between the old and new code in bytes and prints the code if necessary.
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*
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* @access public
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* @return string
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* @version 1.1
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*/
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public function get_diff() {
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if ( ! $this->output_css_plain ) {
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$this->formatted();
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}
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$diff = strlen( $this->output_css_plain ) - strlen( $this->input_css );
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if ( $diff > 0 ) {
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return '+' . $diff;
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} elseif ( $diff === 0 ) {
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return '+-' . $diff;
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}
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return $diff;
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}
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/**
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* Get the size of either input or output CSS in KB
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*
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* @param string $loc default is "output".
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* @access public
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* @return integer
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* @version 1.0
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*/
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public function size( $loc = 'output' ) {
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if ( $loc === 'output' && ! $this->output_css ) {
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$this->formatted();
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}
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if ( $loc === 'input' ) {
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return ( strlen( $this->input_css ) / 1000 );
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} else {
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return ( strlen( $this->output_css_plain ) / 1000 );
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}
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}
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}
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