lib/Minify/HTML.php · ThinkerDev/JavaScript

Fetch the repository succeeded.

richgiteeai

Watch

Unwatch Watching Releases Only Ignoring

1 Star 0 Fork 4

ThinkerDev/JavaScript

forked from 黎晓/JavaScript

Code Issues 0 Pull Requests 0 Wiki Insights Pipelines

Service

Tencent Cloud Serverless

Create your Gitee Account

Explore and code with more than 14 million developers,Free private repositories !:)

Already have an account? Sign in

文件

master

Branches (1)

Manage

master

This repository doesn't specify license. Please pay attention to the specific project description and its upstream code dependency when using it.

The license selected for the repository is subject to the license used by the main branch of the repository.

Clone or Download

Clone/Download

HTTPS SSH SVN SVN+SSH Download ZIP

Prompt

To download the code, please copy the following command and execute it in the terminal

To ensure that your submitted code identity is correctly recognized by Gitee, please execute the following command.

git config --global user.name userName 
git config --global user.email userEmail

When using the SSH protocol for the first time to clone or push code, follow the prompts below to complete the SSH configuration.

1 Generate RSA keys.

2 Obtain the content of the RSA public key and configure it in SSH Public Keys

To use SVN on Gitee, please visit the usage guide

When using the HTTPS protocol, the command line will prompt for account and password verification as follows. For security reasons, Gitee recommends configure and use personal access tokens instead of login passwords for cloning, pushing, and other operations.

Username for 'https://gitee.com': userName

Password for 'https://userName@gitee.com': # Private Token

Branches 1

Tags 0

JavaScript

lib

Minify

HTML.php

HTML.php 8.09 KB

<?php
/**
 * Class Minify_HTML
 * @package Minify
 */

/**
 * Compress HTML
 *
 * This is a heavy regex-based removal of whitespace, unnecessary comments and
 * tokens. IE conditional comments are preserved. There are also options to have
 * STYLE and SCRIPT blocks compressed by callback functions.
 *
 * A test suite is available.
 *
 * @package Minify
 * @author Stephen Clay <steve@mrclay.org>
 */
class Minify_HTML {
 /**
 * @var boolean
 */
 protected $_jsCleanComments = true;

/**
 * "Minify" an HTML page
 *
 * @param string $html
 *
 * @param array $options
 *
 * 'cssMinifier' : (optional) callback function to process content of STYLE
 * elements.
 *
 * 'jsMinifier' : (optional) callback function to process content of SCRIPT
 * elements. Note: the type attribute is ignored.
 *
 * 'xhtml' : (optional boolean) should content be treated as XHTML1.0? If
 * unset, minify will sniff for an XHTML doctype.
 *
 * @return string
 */
 public static function minify($html, $options = array()) {
 $min = new self($html, $options);
 return $min->process();
 }

/**
 * Create a minifier object
 *
 * @param string $html
 *
 * @param array $options
 *
 * 'cssMinifier' : (optional) callback function to process content of STYLE
 * elements.
 *
 * 'jsMinifier' : (optional) callback function to process content of SCRIPT
 * elements. Note: the type attribute is ignored.
 *
 * 'jsCleanComments' : (optional) whether to remove HTML comments beginning and end of script block
 *
 * 'xhtml' : (optional boolean) should content be treated as XHTML1.0? If
 * unset, minify will sniff for an XHTML doctype.
 *
 * @return null
 */
 public function __construct($html, $options = array())
 {
 $this->_html = str_replace("\r\n", "\n", trim($html));
 if (isset($options['xhtml'])) {
 $this->_isXhtml = (bool)$options['xhtml'];
 }
 if (isset($options['cssMinifier'])) {
 $this->_cssMinifier = $options['cssMinifier'];
 }
 if (isset($options['jsMinifier'])) {
 $this->_jsMinifier = $options['jsMinifier'];
 }
 if (isset($options['jsCleanComments'])) {
 $this->_jsCleanComments = (bool)$options['jsCleanComments'];
 }
 }

/**
 * Minify the markeup given in the constructor
 * 
 * @return string
 */
 public function process()
 {
 if ($this->_isXhtml === null) {
 $this->_isXhtml = (false !== strpos($this->_html, '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML'));
 }
 
 $this->_replacementHash = 'MINIFYHTML' . md5($_SERVER['REQUEST_TIME']);
 $this->_placeholders = array();
 
 // replace SCRIPTs (and minify) with placeholders
 $this->_html = preg_replace_callback(
 '/(\\s*)<script(\\b[^>]*?>)([\\s\\S]*?)<\\/script>(\\s*)/i'
 ,array($this, '_removeScriptCB')
 ,$this->_html);
 
 // replace STYLEs (and minify) with placeholders
 $this->_html = preg_replace_callback(
 '/\\s*<style(\\b[^>]*>)([\\s\\S]*?)<\\/style>\\s*/i'
 ,array($this, '_removeStyleCB')
 ,$this->_html);
 
 // remove HTML comments (not containing IE conditional comments).
 $this->_html = preg_replace_callback(
 '//'
 ,array($this, '_commentCB')
 ,$this->_html);
 
 // replace PREs with placeholders
 $this->_html = preg_replace_callback('/\\s*<pre(\\b[^>]*?>[\\s\\S]*?<\\/pre>)\\s*/i'
 ,array($this, '_removePreCB')
 ,$this->_html);
 
 // replace TEXTAREAs with placeholders
 $this->_html = preg_replace_callback(
 '/\\s*<textarea(\\b[^>]*?>[\\s\\S]*?<\\/textarea>)\\s*/i'
 ,array($this, '_removeTextareaCB')
 ,$this->_html);
 
 // trim each line.
 // @todo take into account attribute values that span multiple lines.
 $this->_html = preg_replace('/^\\s+|\\s+$/m', '', $this->_html);
 
 // remove ws around block/undisplayed elements
 $this->_html = preg_replace('/\\s+(<\\/?(?:area|base(?:font)?|blockquote|body'
 .'|caption|center|cite|col(?:group)?|dd|dir|div|dl|dt|fieldset|form'
 .'|frame(?:set)?|h[1-6]|head|hr|html|legend|li|link|map|menu|meta'
 .'|ol|opt(?:group|ion)|p|param|t(?:able|body|head|d|h||r|foot|itle)'
 .'|ul)\\b[^>]*>)/i', '1ドル', $this->_html);
 
 // remove ws outside of all elements
 $this->_html = preg_replace(
 '/>(\\s(?:\\s*))?([^<]+)(\\s(?:\s*))?</'
 ,'>1ドル2ドル3ドル<'
 ,$this->_html);
 
 // use newlines before 1st attribute in open tags (to limit line lengths)
 $this->_html = preg_replace('/(<[a-z\\-]+)\\s+([^>]+>)/i', "1ドル\n2ドル", $this->_html);
 
 // fill placeholders
 $this->_html = str_replace(
 array_keys($this->_placeholders)
 ,array_values($this->_placeholders)
 ,$this->_html
 );
 // issue 229: multi-pass to catch scripts that didn't get replaced in textareas
 $this->_html = str_replace(
 array_keys($this->_placeholders)
 ,array_values($this->_placeholders)
 ,$this->_html
 );
 return $this->_html;
 }
 
 protected function _commentCB($m)
 {
 return (0 === strpos($m[1], '[') || false !== strpos($m[1], '<!['))
 ? $m[0]
 : '';
 }
 
 protected function _reservePlace($content)
 {
 $placeholder = '%' . $this->_replacementHash . count($this->_placeholders) . '%';
 $this->_placeholders[$placeholder] = $content;
 return $placeholder;
 }

protected $_isXhtml = null;
 protected $_replacementHash = null;
 protected $_placeholders = array();
 protected $_cssMinifier = null;
 protected $_jsMinifier = null;

protected function _removePreCB($m)
 {
 return $this->_reservePlace("<pre{$m[1]}");
 }
 
 protected function _removeTextareaCB($m)
 {
 return $this->_reservePlace("<textarea{$m[1]}");
 }

protected function _removeStyleCB($m)
 {
 $openStyle = "<style{$m[1]}";
 $css = $m[2];
 // remove HTML comments
 $css = preg_replace('/(?:^\\s*\\s*$)/', '', $css);
 
 // remove CDATA section markers
 $css = $this->_removeCdata($css);
 
 // minify
 $minifier = $this->_cssMinifier
 ? $this->_cssMinifier
 : 'trim';
 $css = call_user_func($minifier, $css);
 
 return $this->_reservePlace($this->_needsCdata($css)
 ? "{$openStyle}/*<![CDATA[*/{$css}/*]]>*/</style>"
 : "{$openStyle}{$css}</style>"
 );
 }

protected function _removeScriptCB($m)
 {
 $openScript = "<script{$m[2]}";
 $js = $m[3];
 
 // whitespace surrounding? preserve at least one space
 $ws1 = ($m[1] === '') ? '' : ' ';
 $ws2 = ($m[4] === '') ? '' : ' ';

// remove HTML comments (and ending "//" if present)
 if ($this->_jsCleanComments) {
 $js = preg_replace('/(?:^\\s*\\s*$)/', '', $js);
 }

// remove CDATA section markers
 $js = $this->_removeCdata($js);
 
 // minify
 $minifier = $this->_jsMinifier
 ? $this->_jsMinifier
 : 'trim';
 $js = call_user_func($minifier, $js);
 
 return $this->_reservePlace($this->_needsCdata($js)
 ? "{$ws1}{$openScript}/*<![CDATA[*/{$js}/*]]>*/</script>{$ws2}"
 : "{$ws1}{$openScript}{$js}</script>{$ws2}"
 );
 }

protected function _removeCdata($str)
 {
 return (false !== strpos($str, '<![CDATA['))
 ? str_replace(array('<![CDATA[', ']]>'), '', $str)
 : $str;
 }
 
 protected function _needsCdata($str)
 {
 return ($this->_isXhtml && preg_match('/(?:[<&]|\\-\\-|\\]\\]>)/', $str));
 }
}

Copy Edit Raw Blame History

刘海明 authored 2014年12月01日 12:22 +08:00 . 新建项目

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257

<?php
/**
 * Class Minify_HTML
 * @package Minify
 */

/**
 * Compress HTML
 *
 * This is a heavy regex-based removal of whitespace, unnecessary comments and
 * tokens. IE conditional comments are preserved. There are also options to have
 * STYLE and SCRIPT blocks compressed by callback functions.
 *
 * A test suite is available.
 *
 * @package Minify
 * @author Stephen Clay <steve@mrclay.org>
 */
class Minify_HTML {
 /**
 * @var boolean
 */
 protected $_jsCleanComments = true;

 /**
 * "Minify" an HTML page
 *
 * @param string $html
 *
 * @param array $options
 *
 * 'cssMinifier' : (optional) callback function to process content of STYLE
 * elements.
 *
 * 'jsMinifier' : (optional) callback function to process content of SCRIPT
 * elements. Note: the type attribute is ignored.
 *
 * 'xhtml' : (optional boolean) should content be treated as XHTML1.0? If
 * unset, minify will sniff for an XHTML doctype.
 *
 * @return string
 */
 public static function minify($html, $options = array()) {
 $min = new self($html, $options);
 return $min->process();
 }


 /**
 * Create a minifier object
 *
 * @param string $html
 *
 * @param array $options
 *
 * 'cssMinifier' : (optional) callback function to process content of STYLE
 * elements.
 *
 * 'jsMinifier' : (optional) callback function to process content of SCRIPT
 * elements. Note: the type attribute is ignored.
 *
 * 'jsCleanComments' : (optional) whether to remove HTML comments beginning and end of script block
 *
 * 'xhtml' : (optional boolean) should content be treated as XHTML1.0? If
 * unset, minify will sniff for an XHTML doctype.
 *
 * @return null
 */
 public function __construct($html, $options = array())
 {
 $this->_html = str_replace("\r\n", "\n", trim($html));
 if (isset($options['xhtml'])) {
 $this->_isXhtml = (bool)$options['xhtml'];
 }
 if (isset($options['cssMinifier'])) {
 $this->_cssMinifier = $options['cssMinifier'];
 }
 if (isset($options['jsMinifier'])) {
 $this->_jsMinifier = $options['jsMinifier'];
 }
 if (isset($options['jsCleanComments'])) {
 $this->_jsCleanComments = (bool)$options['jsCleanComments'];
 }
 }


 /**
 * Minify the markeup given in the constructor
 * 
 * @return string
 */
 public function process()
 {
 if ($this->_isXhtml === null) {
 $this->_isXhtml = (false !== strpos($this->_html, '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML'));
 }
 
 $this->_replacementHash = 'MINIFYHTML' . md5($_SERVER['REQUEST_TIME']);
 $this->_placeholders = array();
 
 // replace SCRIPTs (and minify) with placeholders
 $this->_html = preg_replace_callback(
 '/(\\s*)<script(\\b[^>]*?>)([\\s\\S]*?)<\\/script>(\\s*)/i'
 ,array($this, '_removeScriptCB')
 ,$this->_html);
 
 // replace STYLEs (and minify) with placeholders
 $this->_html = preg_replace_callback(
 '/\\s*<style(\\b[^>]*>)([\\s\\S]*?)<\\/style>\\s*/i'
 ,array($this, '_removeStyleCB')
 ,$this->_html);
 
 // remove HTML comments (not containing IE conditional comments).
 $this->_html = preg_replace_callback(
 '/<!--([\\s\\S]*?)-->/'
 ,array($this, '_commentCB')
 ,$this->_html);
 
 // replace PREs with placeholders
 $this->_html = preg_replace_callback('/\\s*<pre(\\b[^>]*?>[\\s\\S]*?<\\/pre>)\\s*/i'
 ,array($this, '_removePreCB')
 ,$this->_html);
 
 // replace TEXTAREAs with placeholders
 $this->_html = preg_replace_callback(
 '/\\s*<textarea(\\b[^>]*?>[\\s\\S]*?<\\/textarea>)\\s*/i'
 ,array($this, '_removeTextareaCB')
 ,$this->_html);
 
 // trim each line.
 // @todo take into account attribute values that span multiple lines.
 $this->_html = preg_replace('/^\\s+|\\s+$/m', '', $this->_html);
 
 // remove ws around block/undisplayed elements
 $this->_html = preg_replace('/\\s+(<\\/?(?:area|base(?:font)?|blockquote|body'
 .'|caption|center|cite|col(?:group)?|dd|dir|div|dl|dt|fieldset|form'
 .'|frame(?:set)?|h[1-6]|head|hr|html|legend|li|link|map|menu|meta'
 .'|ol|opt(?:group|ion)|p|param|t(?:able|body|head|d|h||r|foot|itle)'
 .'|ul)\\b[^>]*>)/i', '1ドル', $this->_html);
 
 // remove ws outside of all elements
 $this->_html = preg_replace(
 '/>(\\s(?:\\s*))?([^<]+)(\\s(?:\s*))?</'
 ,'>1ドル2ドル3ドル<'
 ,$this->_html);
 
 // use newlines before 1st attribute in open tags (to limit line lengths)
 $this->_html = preg_replace('/(<[a-z\\-]+)\\s+([^>]+>)/i', "1ドル\n2ドル", $this->_html);
 
 // fill placeholders
 $this->_html = str_replace(
 array_keys($this->_placeholders)
 ,array_values($this->_placeholders)
 ,$this->_html
 );
 // issue 229: multi-pass to catch scripts that didn't get replaced in textareas
 $this->_html = str_replace(
 array_keys($this->_placeholders)
 ,array_values($this->_placeholders)
 ,$this->_html
 );
 return $this->_html;
 }
 
 protected function _commentCB($m)
 {
 return (0 === strpos($m[1], '[') || false !== strpos($m[1], '<!['))
 ? $m[0]
 : '';
 }
 
 protected function _reservePlace($content)
 {
 $placeholder = '%' . $this->_replacementHash . count($this->_placeholders) . '%';
 $this->_placeholders[$placeholder] = $content;
 return $placeholder;
 }

 protected $_isXhtml = null;
 protected $_replacementHash = null;
 protected $_placeholders = array();
 protected $_cssMinifier = null;
 protected $_jsMinifier = null;

 protected function _removePreCB($m)
 {
 return $this->_reservePlace("<pre{$m[1]}");
 }
 
 protected function _removeTextareaCB($m)
 {
 return $this->_reservePlace("<textarea{$m[1]}");
 }

 protected function _removeStyleCB($m)
 {
 $openStyle = "<style{$m[1]}";
 $css = $m[2];
 // remove HTML comments
 $css = preg_replace('/(?:^\\s*<!--|-->\\s*$)/', '', $css);
 
 // remove CDATA section markers
 $css = $this->_removeCdata($css);
 
 // minify
 $minifier = $this->_cssMinifier
 ? $this->_cssMinifier
 : 'trim';
 $css = call_user_func($minifier, $css);
 
 return $this->_reservePlace($this->_needsCdata($css)
 ? "{$openStyle}/*<![CDATA[*/{$css}/*]]>*/</style>"
 : "{$openStyle}{$css}</style>"
 );
 }

 protected function _removeScriptCB($m)
 {
 $openScript = "<script{$m[2]}";
 $js = $m[3];
 
 // whitespace surrounding? preserve at least one space
 $ws1 = ($m[1] === '') ? '' : ' ';
 $ws2 = ($m[4] === '') ? '' : ' ';

 // remove HTML comments (and ending "//" if present)
 if ($this->_jsCleanComments) {
 $js = preg_replace('/(?:^\\s*<!--\\s*|\\s*(?:\\/\\/)?\\s*-->\\s*$)/', '', $js);
 }

 // remove CDATA section markers
 $js = $this->_removeCdata($js);
 
 // minify
 $minifier = $this->_jsMinifier
 ? $this->_jsMinifier
 : 'trim';
 $js = call_user_func($minifier, $js);
 
 return $this->_reservePlace($this->_needsCdata($js)
 ? "{$ws1}{$openScript}/*<![CDATA[*/{$js}/*]]>*/</script>{$ws2}"
 : "{$ws1}{$openScript}{$js}</script>{$ws2}"
 );
 }

 protected function _removeCdata($str)
 {
 return (false !== strpos($str, '<![CDATA['))
 ? str_replace(array('<![CDATA[', ']]>'), '', $str)
 : $str;
 }
 
 protected function _needsCdata($str)
 {
 return ($this->_isXhtml && preg_match('/(?:[<&]|\\-\\-|\\]\\]>)/', $str));
 }
}