diff options
Diffstat (limited to 'program/lib')
| -rw-r--r-- | program/lib/Roundcube/rcube_html2text.php (renamed from program/lib/html2text.php) | 384 | ||||
| -rw-r--r-- | program/lib/Roundcube/rcube_message.php | 2 | ||||
| -rw-r--r-- | program/lib/Roundcube/rcube_spellchecker.php | 2 |
3 files changed, 162 insertions, 226 deletions
diff --git a/program/lib/html2text.php b/program/lib/Roundcube/rcube_html2text.php index 34c719302..0b172ebfa 100644 --- a/program/lib/html2text.php +++ b/program/lib/Roundcube/rcube_html2text.php @@ -1,35 +1,23 @@ <?php -/************************************************************************* - * * - * class.html2text.inc * - * * - ************************************************************************* - * * - * Converts HTML to formatted plain text * - * * - * Copyright (c) 2005-2007 Jon Abernathy <jon@chuggnutt.com> * - * All rights reserved. * - * * - * This script is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * The GNU General Public License can be found at * - * http://www.gnu.org/copyleft/gpl.html. * - * * - * This script is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * Author(s): Jon Abernathy <jon@chuggnutt.com> * - * * - * Last modified: 08/08/07 * - * * - *************************************************************************/ - +/** + +-----------------------------------------------------------------------+ + | This file is part of the Roundcube Webmail client | + | Copyright (C) 2008-2012, The Roundcube Dev Team | + | Copyright (c) 2005-2007, Jon Abernathy <jon@chuggnutt.com> | + | | + | Licensed under the GNU General Public License version 3 or | + | any later version with exceptions for skins & plugins. | + | See the README file for a full license statement. | + | | + | PURPOSE: | + | Converts HTML to formatted plain text (based on html2text class) | + +-----------------------------------------------------------------------+ + | Author: Thomas Bruederli <roundcube@gmail.com> | + | Author: Aleksander Machniak <alec@alec.pl> | + | Author: Jon Abernathy <jon@chuggnutt.com> | + +-----------------------------------------------------------------------+ + */ /** * Takes HTML and converts it to formatted, plain text. @@ -99,58 +87,55 @@ * future time. * * *** End of the housecleaning updates. Updated 08/08/07. + */ + +/** + * Converts HTML to formatted plain text * - * @author Jon Abernathy <jon@chuggnutt.com> - * @version 1.0.0 - * @since PHP 4.0.2 + * @package Framework + * @subpackage Utils */ -class html2text +class rcube_html2text { - /** - * Contains the HTML content to convert. + * Contains the HTML content to convert. * - * @var string $html - * @access public + * @var string $html */ - var $html; + protected $html; /** - * Contains the converted, formatted text. + * Contains the converted, formatted text. * - * @var string $text - * @access public + * @var string $text */ - var $text; + protected $text; /** - * Maximum width of the formatted text, in columns. + * Maximum width of the formatted text, in columns. * - * Set this value to 0 (or less) to ignore word wrapping - * and not constrain text to a fixed-width column. + * Set this value to 0 (or less) to ignore word wrapping + * and not constrain text to a fixed-width column. * - * @var integer $width - * @access public + * @var integer $width */ - var $width = 70; + protected $width = 70; /** - * Target character encoding for output text + * Target character encoding for output text * - * @var string $charset - * @access public + * @var string $charset */ - var $charset = 'UTF-8'; + protected $charset = 'UTF-8'; /** - * List of preg* regular expression patterns to search for, - * used in conjunction with $replace. + * List of preg* regular expression patterns to search for, + * used in conjunction with $replace. * - * @var array $search - * @access public - * @see $replace + * @var array $search + * @see $replace */ - var $search = array( + protected $search = array( "/\r/", // Non-legal carriage return "/[\n\t]+/", // Newlines and tabs '/<head[^>]*>.*?<\/head>/i', // <head> @@ -172,13 +157,12 @@ class html2text ); /** - * List of pattern replacements corresponding to patterns searched. + * List of pattern replacements corresponding to patterns searched. * - * @var array $replace - * @access public - * @see $search + * @var array $replace + * @see $search */ - var $replace = array( + protected $replace = array( '', // Non-legal carriage return ' ', // Newlines and tabs '', // <head> @@ -200,14 +184,13 @@ class html2text ); /** - * List of preg* regular expression patterns to search for, - * used in conjunction with $ent_replace. + * List of preg* regular expression patterns to search for, + * used in conjunction with $ent_replace. * - * @var array $ent_search - * @access public - * @see $ent_replace + * @var array $ent_search + * @see $ent_replace */ - var $ent_search = array( + protected $ent_search = array( '/&(nbsp|#160);/i', // Non-breaking space '/&(quot|rdquo|ldquo|#8220|#8221|#147|#148);/i', // Double quotes @@ -227,13 +210,12 @@ class html2text ); /** - * List of pattern replacements corresponding to patterns searched. + * List of pattern replacements corresponding to patterns searched. * - * @var array $ent_replace - * @access public - * @see $ent_search + * @var array $ent_replace + * @see $ent_search */ - var $ent_replace = array( + protected $ent_replace = array( ' ', // Non-breaking space '"', // Double quotes "'", // Single quotes @@ -252,13 +234,12 @@ class html2text ); /** - * List of preg* regular expression patterns to search for - * and replace using callback function. + * List of preg* regular expression patterns to search for + * and replace using callback function. * - * @var array $callback_search - * @access public + * @var array $callback_search */ - var $callback_search = array( + protected $callback_search = array( '/<(a) [^>]*href=("|\')([^"\']+)\2[^>]*>(.*?)<\/a>/i', // <a href=""> '/<(h)[123456]( [^>]*)?>(.*?)<\/h[123456]>/i', // h1 - h6 '/<(b)( [^>]*)?>(.*?)<\/b>/i', // <b> @@ -267,14 +248,13 @@ class html2text ); /** - * List of preg* regular expression patterns to search for in PRE body, - * used in conjunction with $pre_replace. + * List of preg* regular expression patterns to search for in PRE body, + * used in conjunction with $pre_replace. * - * @var array $pre_search - * @access public - * @see $pre_replace + * @var array $pre_search + * @see $pre_replace */ - var $pre_search = array( + protected $pre_search = array( "/\n/", "/\t/", '/ /', @@ -283,13 +263,12 @@ class html2text ); /** - * List of pattern replacements corresponding to patterns searched for PRE body. + * List of pattern replacements corresponding to patterns searched for PRE body. * - * @var array $pre_replace - * @access public - * @see $pre_search + * @var array $pre_replace + * @see $pre_search */ - var $pre_replace = array( + protected $pre_replace = array( '<br>', ' ', ' ', @@ -298,103 +277,95 @@ class html2text ); /** - * Contains a list of HTML tags to allow in the resulting text. + * Contains a list of HTML tags to allow in the resulting text. * - * @var string $allowed_tags - * @access public - * @see set_allowed_tags() + * @var string $allowed_tags + * @see set_allowed_tags() */ - var $allowed_tags = ''; + protected $allowed_tags = ''; /** - * Contains the base URL that relative links should resolve to. + * Contains the base URL that relative links should resolve to. * - * @var string $url - * @access public + * @var string $url */ - var $url; + protected $url; /** - * Indicates whether content in the $html variable has been converted yet. + * Indicates whether content in the $html variable has been converted yet. * - * @var boolean $_converted - * @access private - * @see $html, $text + * @var boolean $_converted + * @see $html, $text */ - var $_converted = false; + protected $_converted = false; /** - * Contains URL addresses from links to be rendered in plain text. + * Contains URL addresses from links to be rendered in plain text. * - * @var array $_link_list - * @access private - * @see _build_link_list() + * @var array $_link_list + * @see _build_link_list() */ - var $_link_list = array(); + protected $_link_list = array(); /** * Boolean flag, true if a table of link URLs should be listed after the text. * * @var boolean $_do_links - * @access private - * @see html2text() + * @see __construct() */ - var $_do_links = true; + protected $_do_links = true; /** - * Constructor. + * Constructor. * - * If the HTML source string (or file) is supplied, the class - * will instantiate with that source propagated, all that has - * to be done it to call get_text(). + * If the HTML source string (or file) is supplied, the class + * will instantiate with that source propagated, all that has + * to be done it to call get_text(). * - * @param string $source HTML content - * @param boolean $from_file Indicates $source is a file to pull content from - * @param boolean $do_links Indicate whether a table of link URLs is desired - * @param integer $width Maximum width of the formatted text, 0 for no limit - * @access public - * @return void + * @param string $source HTML content + * @param boolean $from_file Indicates $source is a file to pull content from + * @param boolean $do_links Indicate whether a table of link URLs is desired + * @param integer $width Maximum width of the formatted text, 0 for no limit */ - function html2text( $source = '', $from_file = false, $do_links = true, $width = 75, $charset = 'UTF-8' ) + function __construct($source = '', $from_file = false, $do_links = true, $width = 75, $charset = 'UTF-8') { - if ( !empty($source) ) { + if (!empty($source)) { $this->set_html($source, $from_file); } $this->set_base_url(); + $this->_do_links = $do_links; - $this->width = $width; - $this->charset = $charset; + $this->width = $width; + $this->charset = $charset; } /** - * Loads source HTML into memory, either from $source string or a file. + * Loads source HTML into memory, either from $source string or a file. * - * @param string $source HTML content - * @param boolean $from_file Indicates $source is a file to pull content from - * @access public - * @return void + * @param string $source HTML content + * @param boolean $from_file Indicates $source is a file to pull content from */ - function set_html( $source, $from_file = false ) + function set_html($source, $from_file = false) { - if ( $from_file && file_exists($source) ) { + if ($from_file && file_exists($source)) { $this->html = file_get_contents($source); } - else + else { $this->html = $source; + } $this->_converted = false; } /** - * Returns the text, converted from HTML. + * Returns the text, converted from HTML. * - * @access public - * @return string + * @return string Plain text */ function get_text() { - if ( !$this->_converted ) { + if (!$this->_converted) { $this->_convert(); } @@ -402,10 +373,7 @@ class html2text } /** - * Prints the text, converted from HTML. - * - * @access public - * @return void + * Prints the text, converted from HTML. */ function print_text() { @@ -413,50 +381,34 @@ class html2text } /** - * Alias to print_text(), operates identically. - * - * @access public - * @return void - * @see print_text() - */ - function p() - { - print $this->get_text(); - } - - /** - * Sets the allowed HTML tags to pass through to the resulting text. + * Sets the allowed HTML tags to pass through to the resulting text. * - * Tags should be in the form "<p>", with no corresponding closing tag. - * - * @access public - * @return void + * Tags should be in the form "<p>", with no corresponding closing tag. */ - function set_allowed_tags( $allowed_tags = '' ) + function set_allowed_tags($allowed_tags = '') { - if ( !empty($allowed_tags) ) { + if (!empty($allowed_tags)) { $this->allowed_tags = $allowed_tags; } } /** - * Sets a base URL to handle relative links. - * - * @access public - * @return void + * Sets a base URL to handle relative links. */ - function set_base_url( $url = '' ) + function set_base_url($url = '') { - if ( empty($url) ) { - if ( !empty($_SERVER['HTTP_HOST']) ) { + if (empty($url)) { + if (!empty($_SERVER['HTTP_HOST'])) { $this->url = 'http://' . $_SERVER['HTTP_HOST']; - } else { + } + else { $this->url = ''; } - } else { + } + else { // Strip any trailing slashes for consistency (relative // URLs may already start with a slash like "/file.html") - if ( substr($url, -1) == '/' ) { + if (substr($url, -1) == '/') { $url = substr($url, 0, -1); } $this->url = $url; @@ -464,12 +416,9 @@ class html2text } /** - * Workhorse function that does actual conversion (calls _converter() method). - * - * @access private - * @return void + * Workhorse function that does actual conversion (calls _converter() method). */ - function _convert() + protected function _convert() { // Variables used for building the link list $this->_link_list = array(); @@ -487,25 +436,21 @@ class html2text } } - $this->text = $text; - + $this->text = $text; $this->_converted = true; } /** - * Workhorse function that does actual conversion. + * Workhorse function that does actual conversion. * - * First performs custom tag replacement specified by $search and - * $replace arrays. Then strips any remaining HTML tags, reduces whitespace - * and newlines to a readable format, and word wraps the text to - * $width characters. + * First performs custom tag replacement specified by $search and + * $replace arrays. Then strips any remaining HTML tags, reduces whitespace + * and newlines to a readable format, and word wraps the text to + * $width characters. * - * @param string Reference to HTML content string - * - * @access private - * @return void + * @param string Reference to HTML content string */ - function _converter(&$text) + protected function _converter(&$text) { // Convert <BLOCKQUOTE> (before PRE!) $this->_convert_blockquotes($text); @@ -517,7 +462,7 @@ class html2text $text = preg_replace($this->search, $this->replace, $text); // Run our defined tags search-and-replace with callback - $text = preg_replace_callback($this->callback_search, array('html2text', '_preg_callback'), $text); + $text = preg_replace_callback($this->callback_search, array($this, 'tags_preg_callback'), $text); // Strip any other HTML tags $text = strip_tags($text, $this->allowed_tags); @@ -551,19 +496,17 @@ class html2text } /** - * Helper function called by preg_replace() on link replacement. + * Helper function called by preg_replace() on link replacement. * - * Maintains an internal list of links to be displayed at the end of the - * text, with numeric indices to the original point in the text they - * appeared. Also makes an effort at identifying and handling absolute - * and relative links. + * Maintains an internal list of links to be displayed at the end of the + * text, with numeric indices to the original point in the text they + * appeared. Also makes an effort at identifying and handling absolute + * and relative links. * - * @param string $link URL of the link - * @param string $display Part of the text to associate number with - * @access private - * @return string + * @param string $link URL of the link + * @param string $display Part of the text to associate number with */ - function _build_link_list( $link, $display ) + protected function _build_link_list( $link, $display ) { if (!$this->_do_links || empty($link)) { return $display; @@ -594,12 +537,11 @@ class html2text } /** - * Helper function for PRE body conversion. + * Helper function for PRE body conversion. * - * @param string HTML content - * @access private + * @param string HTML content */ - function _convert_pre(&$text) + protected function _convert_pre(&$text) { // get the content of PRE element while (preg_match('/<pre[^>]*>(.*)<\/pre>/ismU', $text, $matches)) { @@ -607,7 +549,7 @@ class html2text // Run our defined tags search-and-replace with callback $this->pre_content = preg_replace_callback($this->callback_search, - array('html2text', '_preg_callback'), $this->pre_content); + array($this, 'tags_preg_callback'), $this->pre_content); // convert the content $this->pre_content = sprintf('<div><br>%s<br></div>', @@ -615,7 +557,7 @@ class html2text // replace the content (use callback because content can contain $0 variable) $text = preg_replace_callback('/<pre[^>]*>.*<\/pre>/ismU', - array('html2text', '_preg_pre_callback'), $text, 1); + array($this, 'pre_preg_callback'), $text, 1); // free memory $this->pre_content = ''; @@ -623,12 +565,11 @@ class html2text } /** - * Helper function for BLOCKQUOTE body conversion. + * Helper function for BLOCKQUOTE body conversion. * - * @param string HTML content - * @access private + * @param string HTML content */ - function _convert_blockquotes(&$text) + protected function _convert_blockquotes(&$text) { if (preg_match_all('/<\/*blockquote[^>]*>/i', $text, $matches, PREG_OFFSET_CAPTURE)) { $level = 0; @@ -679,12 +620,12 @@ class html2text } /** - * Callback function for preg_replace_callback use. + * Callback function for preg_replace_callback use. * - * @param array PREG matches - * @return string + * @param array PREG matches + * @return string */ - private function _preg_callback($matches) + public function tags_preg_callback($matches) { switch (strtolower($matches[1])) { case 'b': @@ -702,12 +643,12 @@ class html2text } /** - * Callback function for preg_replace_callback use in PRE content handler. + * Callback function for preg_replace_callback use in PRE content handler. * - * @param array PREG matches - * @return string + * @param array PREG matches + * @return string */ - private function _preg_pre_callback($matches) + public function pre_preg_callback($matches) { return $this->pre_content; } @@ -742,12 +683,7 @@ class html2text private function _strtoupper($str) { $str = html_entity_decode($str, ENT_COMPAT, $this->charset); - - if (function_exists('mb_strtoupper')) - $str = mb_strtoupper($str); - else - $str = strtoupper($str); - + $str = mb_strtoupper($str); $str = htmlspecialchars($str, ENT_COMPAT, $this->charset); return $str; diff --git a/program/lib/Roundcube/rcube_message.php b/program/lib/Roundcube/rcube_message.php index c45dbfcd0..9fea8382a 100644 --- a/program/lib/Roundcube/rcube_message.php +++ b/program/lib/Roundcube/rcube_message.php @@ -272,7 +272,7 @@ class rcube_message $out = $this->get_part_content($mime_id); // create instance of html2text class - $txt = new html2text($out); + $txt = new rcube_html2text($out); return $txt->get_text(); } } diff --git a/program/lib/Roundcube/rcube_spellchecker.php b/program/lib/Roundcube/rcube_spellchecker.php index e9e1ceb0f..3d4d3a3d6 100644 --- a/program/lib/Roundcube/rcube_spellchecker.php +++ b/program/lib/Roundcube/rcube_spellchecker.php @@ -443,7 +443,7 @@ class rcube_spellchecker private function html2text($text) { - $h2t = new html2text($text, false, true, 0); + $h2t = new rcube_html2text($text, false, true, 0); return $h2t->get_text(); } |