--- /dev/null
+<?php
+/**
+ * This filter cleans up javascript output by running it through a PHP-based
+ * optimizer/compressor.
+ *
+ * License/copyright from original jsmin.php library:
+ *
+ * --
+ * Copyright (c) 2002 Douglas Crockford (www.crockford.com)
+ *
+ * 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 shall be used for Good, not Evil.
+ *
+ * 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.
+ *
+ * Author: Ryan Grove <ryan@wonko.com>
+ * (c) 2002 Douglas Crockford <douglas@crockford.com> (jsmin.c)
+ * (c) 2008 Ryan Grove <ryan@wonko.com> (PHP port)
+ * Version: 1.1.1 (2008-03-02)
+ * URL: http://code.google.com/p/jsmin-php/
+ * --
+ *
+ * Copyright 2009 The Horde Project (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (GPL). If you
+ * did not receive this file, see http://www.fsf.org/copyleft/gpl.html.
+ *
+ * @author Michael Slusarz <slusarz@horde.org>
+ * @package Horde_Text
+ */
+class Horde_Text_Filter_JavascriptMinify extends Horde_Text_Filter
+{
+ /**
+ * Executes any code necessary after applying the filter patterns.
+ *
+ * @param string $text The text after the filtering.
+ *
+ * @return string The modified text.
+ */
+ public function postProcess($text)
+ {
+ $jsmin = new Horde_Text_Filter_JavascriptMinify_JsMin($text);
+ try {
+ return $jsmin->minify();
+ } catch (Exception $e) {
+ return $text;
+ }
+ }
+
+}
--- /dev/null
+<?php
+/**
+ * PHP implementation of Douglas Crockford's JSMin.
+ *
+ * See Horde_Text_Filter_JavscriptMinify for license information.
+ */
+
+class Horde_Text_Filter_JavascriptMinify_JsMin
+{
+ /* Constants. */
+ const ORD_LF = 10;
+ const ORD_SPACE = 32;
+
+ /* Member variables. */
+ protected $_a = '';
+ protected $_b = '';
+ protected $_input;
+ protected $_inputIndex = 0;
+ protected $_inputLength;
+ protected $_lookAhead = null;
+ protected $_output = '';
+
+ public function __construct($input)
+ {
+ $this->_input = str_replace("\r\n", "\n", $input);
+ $this->_inputLength = strlen($this->_input);
+ }
+
+ public function minify()
+ {
+ $this->_a = "\n";
+ $this->_action(3);
+
+ while (!is_null($this->_a)) {
+ switch ($this->_a) {
+ case ' ':
+ $this->_action($this->_isAlphaNum($this->_b) ? 1 : 2);
+ break;
+
+ case "\n":
+ switch ($this->_b) {
+ case '{':
+ case '[':
+ case '(':
+ case '+':
+ case '-':
+ $this->_action(1);
+ break;
+
+ case ' ':
+ $this->_action(3);
+ break;
+
+ default:
+ $this->_action($this->_isAlphaNum($this->_b) ? 1 : 2);
+ break;
+ }
+ break;
+
+ default:
+ switch ($this->_b) {
+ case ' ':
+ $this->_action($this->_isAlphaNum($this->_a) ? 1 : 3);
+ break;
+
+ case "\n":
+ switch ($this->_a) {
+ case '}':
+ case ']':
+ case ')':
+ case '+':
+ case '-':
+ case '"':
+ case "'":
+ $this->_action(1);
+ break;
+
+ default:
+ $this->_action($this->_isAlphaNum($this->_a) ? 1 : 3);
+ break;
+ }
+ break;
+
+ default:
+ $this->_action(1);
+ break;
+ }
+ }
+ }
+
+ return $this->_output;
+ }
+
+ protected function _action($d)
+ {
+ switch($d) {
+ case 1:
+ $this->_output .= $this->_a;
+
+ case 2:
+ $this->_a = $this->_b;
+
+ if ($this->_a === '\'' || $this->_a === '"') {
+ for (;;) {
+ $this->_output .= $this->_a;
+ $this->_a = $this->_get();
+
+ if ($this->_a === $this->_b) {
+ break;
+ }
+
+ if (ord($this->_a) <= self::ORD_LF) {
+ throw new Exception('Unterminated string literal.');
+ }
+
+ if ($this->_a === '\\') {
+ $this->_output .= $this->_a;
+ $this->_a = $this->_get();
+ }
+ }
+ }
+
+ case 3:
+ $this->_b = $this->_next();
+
+ if ($this->_b === '/' && strspn($this->_a, '(,=:[!&|?')) {
+ $this->_output .= $this->_a . $this->_b;
+
+ for (;;) {
+ $this->_a = $this->_get();
+
+ if ($this->_a === '/') {
+ break;
+ } elseif ($this->_a === '\\') {
+ $this->_output .= $this->_a;
+ $this->_a = $this->_get();
+ } elseif (ord($this->_a) <= self::ORD_LF) {
+ throw new Exception('Unterminated regular expression literal.');
+ }
+
+ $this->_output .= $this->_a;
+ }
+
+ $this->_b = $this->_next();
+ }
+ }
+ }
+
+ protected function _get()
+ {
+ $c = $this->_lookAhead;
+ $this->_lookAhead = null;
+
+ if (is_null($c) &&
+ ($this->_inputIndex < $this->_inputLength)) {
+ $c = $this->_input[$this->_inputIndex];
+ $this->_inputIndex += 1;
+ }
+
+ if ($c === "\r") {
+ return "\n";
+ }
+
+ if (is_null($c) || ($c === "\n") || (ord($c) >= self::ORD_SPACE)) {
+ return $c;
+ }
+
+ return ' ';
+ }
+
+ protected function _isAlphaNum($c)
+ {
+ return (ord($c) > 126 || ($c === '\\') || (preg_match('/^[\w\$]$/', $c) === 1));
+ }
+
+ protected function _next()
+ {
+ $c = $this->_get();
+
+ if ($c !== '/') {
+ return $c;
+ }
+
+ switch ($this->_peek()) {
+ case '/':
+ for (;;) {
+ $c = $this->_get();
+ if (ord($c) <= self::ORD_LF) {
+ return $c;
+ }
+ }
+
+ case '*':
+ $this->_get();
+
+ for (;;) {
+ switch($this->_get()) {
+ case '*':
+ if ($this->_peek() === '/') {
+ $this->_get();
+ return ' ';
+ }
+ break;
+
+ case null:
+ throw new Exception('Unterminated comment.');
+ }
+ }
+ }
+
+ return $c;
+ }
+
+ protected function _peek()
+ {
+ $this->_lookAhead = $this->_get();
+ return $this->_lookAhead;
+ }
+
+}
<api>beta</api>
</stability>
<license uri="http://www.gnu.org/copyleft/lesser.html">LGPL</license>
- <notes>* Add support for using the tidy extension when filtering HTML data.
+ <notes>* Added javscript minify filter.
+ * Add support for using the tidy extension when filtering HTML data.
* Initial Horde 4 package.
</notes>
<contents>
<file name="Environment.php" role="php" />
<file name="Highlightquotes.php" role="php" />
<file name="Html2text.php" role="php" />
+ <file name="JavascriptMinify.php" role="php" />
+ <dir name="JavascriptMinify">
+ <file name="JsMin.php" role="php" />
+ </dir> <!-- /lib/Horde/Text/Filter/JavascriptMinify -->
<file name="Linkurls.php" role="php" />
<file name="Simplemarkup.php" role="php" />
<file name="Space2html.php" role="php" />
<install name="lib/Horde/Text/Filter/Environment.php" as="Horde/Text/Filter/Environment.php" />
<install name="lib/Horde/Text/Filter/Highlightquotes.php" as="Horde/Text/Filter/Highlightquotes.php" />
<install name="lib/Horde/Text/Filter/Html2text.php" as="Horde/Text/Filter/Html2text.php" />
+ <install name="lib/Horde/Text/Filter/JavascriptMinify.php" as="Horde/Text/Filter/JavascriptMinify.php" />
+ <install name="lib/Horde/Text/Filter/JavascriptMinify/JsMin.php" as="Horde/Text/Filter/JavascriptMinify/JsMin.php" />
<install name="lib/Horde/Text/Filter/Linkurls.php" as="Horde/Text/Filter/Linkurls.php" />
<install name="lib/Horde/Text/Filter/Simplemarkup.php" as="Horde/Text/Filter/Simplemarkup.php" />
<install name="lib/Horde/Text/Filter/Space2html.php" as="Horde/Text/Filter/Space2html.php" />
projects / horde.git / commitdiff