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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -28,131 +28,143 @@ class HtmlCompressor | |
| */ | ||
| public static function compress($data, $options = null) | ||
| { | ||
| return html_compress($data, $options); | ||
| return (new static) | ||
| ->html_compress($data, $options); | ||
| } | ||
| } | ||
|
|
||
| // HTML Compressor 1.0.0 | ||
| // Original Author: Tyler Hall <[email protected]> | ||
| // Latest Source and Bug Tracker: http://github.com/tylerhall/html-compressor | ||
| // | ||
| // Attemps to reduce the filesize of an HTML document by removing unnecessary | ||
| // whitespace at the beginning and end of lines, inside closing tags, and | ||
| // stripping blank lines completely. <pre> tags are respected and their contents | ||
| // are left alone. Warning, nested <pre> tags may exhibit unexpected behaviour. | ||
| // | ||
| // This code is licensed under the MIT Open Source License. | ||
| // Copyright (c) 2010 [email protected] | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
| function html_compress($data, $options = null) | ||
| { | ||
| if (!isset($options)) { | ||
| $options = array(); | ||
| } | ||
|
|
||
| $data .= "\n"; | ||
| $out = ''; | ||
| $inside_pre = false; | ||
| $bytecount = 0; | ||
|
|
||
| while ($line = get_line($data)) { | ||
| $bytecount += strlen($line); | ||
|
|
||
| if (!$inside_pre) { | ||
| if (strpos($line, '<pre') === false) { | ||
| // Since we're not inside a <pre> block, we can trim both ends of the line | ||
| $line = trim($line); | ||
| /** | ||
| * HTML Compressor 1.0.0 | ||
| * Original Author: Tyler Hall <[email protected]> | ||
| * Latest Source and Bug Tracker: http://github.com/tylerhall/html-compressor | ||
| * | ||
| * Attemps to reduce the filesize of an HTML document by removing unnecessary | ||
| * whitespace at the beginning and end of lines, inside closing tags, and | ||
| * stripping blank lines completely. <pre> tags are respected and their contents | ||
| * are left alone. Warning, nested <pre> tags may exhibit unexpected behaviour. | ||
| * | ||
| * This code is licensed under the MIT Open Source License. | ||
| * Copyright (c) 2010 [email protected] | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| * | ||
| * @param $data | ||
| * @param null $options | ||
| * @return bool|mixed|string | ||
| */ | ||
| private function html_compress($data, $options = null) | ||
| { | ||
| if (!isset($options)) { | ||
| $options = []; | ||
| } | ||
|
|
||
| // And condense multiple spaces down to one | ||
| $line = preg_replace('/\s\s+/', ' ', $line); | ||
| $data .= "\n"; | ||
| $out = ''; | ||
| $inside_pre = false; | ||
| $bytecount = 0; | ||
|
|
||
| while ($line = $this->get_line($data)) { | ||
| $bytecount += strlen($line); | ||
|
|
||
| if (!$inside_pre) { | ||
| if (strpos($line, '<pre') === false) { | ||
| // Since we're not inside a <pre> block, we can trim both ends of the line | ||
| $line = trim($line); | ||
|
|
||
| // And condense multiple spaces down to one | ||
| $line = preg_replace('/\s\s+/', ' ', $line); | ||
| } else { | ||
| // Only trim the beginning since we just entered a <pre> block... | ||
| $line = ltrim($line); | ||
| $inside_pre = true; | ||
|
|
||
| // If the <pre> ends on the same line, don't turn on $inside_pre... | ||
| if ((strpos($line, '</pre') !== false) && (strripos($line, '</pre') >= strripos($line, '<pre'))) { | ||
| $line = rtrim($line); | ||
| $inside_pre = false; | ||
| } | ||
| } | ||
| } else { | ||
| // Only trim the beginning since we just entered a <pre> block... | ||
| $line = ltrim($line); | ||
| $inside_pre = true; | ||
|
|
||
| // If the <pre> ends on the same line, don't turn on $inside_pre... | ||
| if ((strpos($line, '</pre') !== false) && (strripos($line, '</pre') >= strripos($line, '<pre'))) { | ||
| // Trim the end of the line now that we found the end of the <pre> block... | ||
| $line = rtrim($line); | ||
| $inside_pre = false; | ||
| } | ||
| } | ||
| } else { | ||
| if ((strpos($line, '</pre') !== false) && (strripos($line, '</pre') >= strripos($line, '<pre'))) { | ||
| // Trim the end of the line now that we found the end of the <pre> block... | ||
| $line = rtrim($line); | ||
| $inside_pre = false; | ||
|
|
||
| // Filter out any blank lines that aren't inside a <pre> block... | ||
| if ($inside_pre || $line != '') { | ||
| $out .= $line . "\n"; | ||
| } | ||
| } | ||
|
|
||
| // Filter out any blank lines that aren't inside a <pre> block... | ||
| if ($inside_pre || $line != '') { | ||
| $out .= $line . "\n"; | ||
| // Perform any extra (unsafe) compression techniques... | ||
| if (array_key_exists('x', $options) || array_key_exists('extra', $options)) { | ||
| // Can break layouts that are dependent on whitespace between tags | ||
| $out = str_replace(">\n<", '><', $out); | ||
| } | ||
| } | ||
|
|
||
| // Perform any extra (unsafe) compression techniques... | ||
| if (array_key_exists('x', $options) || array_key_exists('extra', $options)) { | ||
| // Can break layouts that are dependent on whitespace between tags | ||
| $out = str_replace(">\n<", '><', $out); | ||
| } | ||
| // Remove HTML comments... | ||
| if (array_key_exists('c', $options) || array_key_exists('no-comments', $options)) { | ||
| $out = preg_replace('/(<!--.*?-->)/ms', '', $out); | ||
| $out = str_replace('<!>', '', $out); | ||
| } | ||
|
|
||
| // Remove HTML comments... | ||
| if (array_key_exists('c', $options) || array_key_exists('no-comments', $options)) { | ||
| $out = preg_replace('/(<!--.*?-->)/ms', '', $out); | ||
| $out = str_replace('<!>', '', $out); | ||
| } | ||
| // Remove the trailing \n | ||
| $out = trim($out); | ||
|
|
||
| // Remove the trailing \n | ||
| $out = trim($out); | ||
|
|
||
| // Output either our stats or the compressed data... | ||
| if (array_key_exists('s', $options) || array_key_exists('stats', $options)) { | ||
| $echo = ''; | ||
| $echo .= "Original Size: $bytecount\n"; | ||
| $echo .= "Compressed Size: " . strlen($out) . "\n"; | ||
| $echo .= "Savings: " . round((1 - strlen($out) / $bytecount) * 100, 2) . "%\n"; | ||
| echo $echo; | ||
| } else { | ||
| return $out; | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
| // Output either our stats or the compressed data... | ||
| if (array_key_exists('s', $options) || array_key_exists('stats', $options)) { | ||
| $echo = ''; | ||
| $echo .= "Original Size: $bytecount\n"; | ||
| $echo .= "Compressed Size: " . strlen($out) . "\n"; | ||
| $echo .= "Savings: " . round((1 - strlen($out) / $bytecount) * 100, 2) . "%\n"; | ||
| echo $echo; | ||
| } else { | ||
| return $out; | ||
| } | ||
|
|
||
| // Returns the next line from an open file handle or a string | ||
| function get_line(&$data) | ||
| { | ||
| if (is_resource($data)) { | ||
| return fgets($data); | ||
| return false; | ||
| } | ||
|
|
||
| if (is_string($data)) { | ||
| if (strlen($data) > 0) { | ||
| $pos = strpos($data, "\n"); | ||
| $return = substr($data, 0, $pos) . "\n"; | ||
| $data = substr($data, $pos + 1); | ||
| /** | ||
| * Returns the next line from an open file handle or a string | ||
| * @param $data | ||
| * @return bool|string | ||
| */ | ||
| private function get_line(&$data) | ||
| { | ||
| if (is_resource($data)) { | ||
| return fgets($data); | ||
| } | ||
|
|
||
| return $return; | ||
| } else { | ||
| return false; | ||
| if (is_string($data)) { | ||
| if (strlen($data) > 0) { | ||
| $pos = strpos($data, "\n"); | ||
| $return = substr($data, 0, $pos) . "\n"; | ||
| $data = substr($data, $pos + 1); | ||
|
|
||
| return $return; | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return false; | ||
| return false; | ||
| } | ||
| } | ||
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