mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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77da587c11
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@5151 3807eeeb-6ff5-0310-8944-8be069107fe0
287 lines
No EOL
8.4 KiB
PHP
287 lines
No EOL
8.4 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Text-to-HTML parser.
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*
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* Text-to-html parser, similar to {@link http://textism.com/tools/textile/ Textile} or {@link http://www.whytheluckystiff.net/ruby/redcloth/ RedCloth}.
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright 2005-2007, Cake Software Foundation, Inc.
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* 1785 E. Sahara Avenue, Suite 490-204
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* Las Vegas, Nevada 89104
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright 2005-2007, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs
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* @since CakePHP(tm) v 0.2.9
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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/**
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* Included libraries.
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*
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*/
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if (!class_exists('Object')) {
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uses ('object');
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}
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/**
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* Text-to-HTML parser.
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*
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* Text-to-html parser, similar to Textile or RedCloth, only with a little different syntax.
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*
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* @package cake
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* @subpackage cake.cake.libs
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*/
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class Flay extends Object{
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/**
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* Text to be parsed.
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*
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* @var string
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* @access public
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*/
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var $text = null;
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/**
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* Set this to allow HTML in the markup.
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*
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* @var boolean
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* @access public
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*/
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var $allow_html = false;
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/**
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* Constructor.
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*
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* @param string $text Text to transform
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*/
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function __construct($text = null) {
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$this->text = $text;
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parent::__construct();
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}
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/**
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* Returns given text translated to HTML using the Flay syntax.
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*
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* @param string $text String to format
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* @param boolean $bare Set this to only do <p> transforms and > to >, no typography additions.
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* @param boolean $allowHtml Set this to trim whitespace and disable all HTML
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* @return string Formatted text
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* @access public
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*/
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function toHtml($text = null, $bare = false, $allowHtml = false) {
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if (empty($text) && empty($this->text)) {
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return false;
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}
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$text = $text ? $text : $this->text;
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// trim whitespace and disable all HTML
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if ($allowHtml) {
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$text = trim($text);
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} else {
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$text = str_replace('<', '<', str_replace('>', '>', trim($text)));
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}
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if (!$bare) {
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// multi-paragraph functions
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$text=preg_replace('#(?:[\n]{0,2})"""(.*)"""(?:[\n]{0,2})#s', "\n\n%BLOCKQUOTE%\n\n\\1\n\n%ENDBLOCKQUOTE%\n\n", $text);
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$text=preg_replace('#(?:[\n]{0,2})===(.*)===(?:[\n]{0,2})#s', "\n\n%CENTER%\n\n\\1\n\n%ENDCENTER%\n\n", $text);
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}
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// pre-parse newlines
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$text=preg_replace("#\r\n#", "\n", $text);
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$text=preg_replace("#[\n]{2,}#", "%PARAGRAPH%", $text);
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$text=preg_replace('#[\n]{1}#', "%LINEBREAK%", $text);
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$out ='';
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foreach(split('%PARAGRAPH%', $text)as $line) {
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if ($line) {
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if (!$bare) {
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$links = array();
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$regs = null;
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if (preg_match_all('#\[([^\[]{4,})\]#', $line, $regs)) {
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foreach($regs[1] as $reg) {
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$links[] = $reg;
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$line = str_replace("[{$reg}]", '%LINK' . (count($links) - 1) . '%', $line);
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}
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}
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// bold
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$line = ereg_replace("\*([^\*]*)\*", "<strong>\\1</strong>", $line);
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// italic
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$line = ereg_replace("_([^_]*)_", "<em>\\1</em>", $line);
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}
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// entities
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$line = str_replace(' - ', ' – ', $line);
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$line = str_replace(' -- ', ' — ', $line);
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$line = str_replace('(C)', '©', $line);
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$line = str_replace('(R)', '®', $line);
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$line = str_replace('(TM)', '™', $line);
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// guess e-mails
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$emails = null;
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if (preg_match_all("#([_A-Za-z0-9+-+]+(?:\.[_A-Za-z0-9+-]+)*@[A-Za-z0-9-]+(?:\.[A-Za-z0-9-]+)*)#", $line, $emails)) {
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foreach($emails[1] as $email) {
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$line = str_replace($email, "<a href=\"mailto:{$email}\">{$email}</a>", $line);
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}
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}
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if (!$bare) {
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$urls = null;
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if (preg_match_all("#((?:http|https|ftp|nntp)://[^ ]+)#", $line, $urls)) {
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foreach($urls[1] as $url) {
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$line = str_replace($url, "<a href=\"{$url}\">{$url}</a>", $line);
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}
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}
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if (preg_match_all("#(www\.[^\n\%\ ]+[^\n\%\,\.\ ])#", $line, $urls)) {
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foreach($urls[1] as $url) {
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$line = str_replace($url, "<a href=\"http://{$url}\">{$url}</a>", $line);
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}
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}
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if (count($links)) {
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for($ii = 0; $ii < count($links); $ii++) {
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if (preg_match("#^(http|https|ftp|nntp)://#", $links[$ii])) {
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$prefix = null;
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} else {
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$prefix = 'http://';
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}
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if (preg_match('#^[^\ ]+\.(jpg|jpeg|gif|png)$#', $links[$ii])) {
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$with = "<img src=\"{$prefix}{$links[$ii]}\" alt=\"\" />";
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} elseif (preg_match('#^([^\]\ ]+)(?:\ ([^\]]+))?$#', $links[$ii], $regs)) {
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if (isset($regs[2])) {
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if (preg_match('#\.(jpg|jpeg|gif|png)$#', $regs[2])) {
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$body = "<img src=\"{$prefix}{$regs[2]}\" alt=\"\" />";
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} else {
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$body = $regs[2];
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}
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} else {
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$body = $links[$ii];
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}
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$with = "<a href=\"{$prefix}{$regs[1]}\" target=\"_blank\">{$body}</a>";
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} else {
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$with = $prefix . $links[$ii];
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}
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$line = str_replace("%LINK{$ii}%", $with, $line);
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}
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}
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}
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$out .= str_replace('%LINEBREAK%', "<br />\n", "<p>{$line}</p>\n");
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}
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}
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if (!$bare) {
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$out = str_replace('<p>%BLOCKQUOTE%</p>', "<blockquote>", $out);
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$out = str_replace('<p>%ENDBLOCKQUOTE%</p>', "</blockquote>", $out);
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$out = str_replace('<p>%CENTER%</p>', "<center>", $out);
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$out = str_replace('<p>%ENDCENTER%</p>', "</center>", $out);
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}
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return $out;
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}
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/**
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* Return the words of the string as an array.
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*
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* @param string $string
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* @return array Array of words
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* @access public
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*/
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function extractWords($string) {
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$split = preg_split('/[\s,\.:\/="!\(\)<>~\[\]]+/', $string);
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return $split;
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}
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/**
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* Return given string with words in array colorMarked, up to a number of times (defaults to 5).
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*
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* @param array $words Words to look for and markup
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* @param string $string String to look in
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* @param integer $max_snippets Max number of snippets to extract
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* @return string String with words marked
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* @see colorMark
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* @access public
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*/
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function markedSnippets($words, $string, $max_snippets = 5) {
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$string = strip_tags($string);
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$snips = array();
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$rest = $string;
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foreach($words as $word) {
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if (preg_match_all("/[\s,]+.{0,40}{$word}.{0,40}[\s,]+/i", $rest, $r)) {
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foreach($r as $result) {
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$rest = str_replace($result, '', $rest);
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}
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$snips = array_merge($snips, $r[0]);
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}
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}
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if (count($snips) > $max_snippets) {
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$snips = array_slice($snips, 0, $max_snippets);
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}
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$joined = join(' <b>...</b> ', $snips);
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$snips = $joined ? "<b>...</b> {$joined} <b>...</b>" : substr($string, 0, 80) . '<b>...</b>';
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return $this->colorMark($words, $snips);
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}
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/**
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* Returns string with EM elements with color classes added.
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*
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* @param array $words Array of words to be colorized
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* @param string $string Text in which the words might be found
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* @return string String with words colorized
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* @access public
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*/
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function colorMark($words, $string) {
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$colors=array('yl', 'gr', 'rd', 'bl', 'fu', 'cy');
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$nextColorIndex = 0;
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foreach($words as $word) {
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$string = preg_replace("/({$word})/i", '<em class="' . $colors[$nextColorIndex % count($colors)] . "\">\\1</em>", $string);
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$nextColorIndex++;
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}
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return $string;
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}
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/**
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* Returns given text with tags stripped out.
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*
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* @param string $text Text to clean
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* @return string Cleaned text
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* @access public
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*/
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function toClean($text) {
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$strip = strip_tags(html_entity_decode($text, ENT_QUOTES));
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return $strip;
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}
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/**
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* Return parsed text with tags stripped out.
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*
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* @param string $text Text to parse and clean
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* @return string Cleaned text
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* @access public
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*/
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function toParsedAndClean($text) {
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return $this->toClean(Flay::toHtml($text));
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}
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/**
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* Return a fragment of a text, up to $length characters long, with an ellipsis after it.
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*
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* @param string $text Text to be truncated.
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* @param integer $length Max length of text.
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* @param string $ellipsis Sign to print after truncated text.
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* @return string Fragment
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* @access public
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*/
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function fragment($text, $length, $ellipsis = '...') {
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$soft = $length - 5;
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$hard = $length + 5;
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$rx = '/(.{' . $soft . ',' . $hard . '})[\s,\.:\/="!\(\)<>~\[\]]+.*/';
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if (preg_match($rx, $text, $r)) {
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$out = $r[1];
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} else {
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$out = substr($text, 0, $length);
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}
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$out = $out . (strlen($out) < strlen($text) ? $ellipsis : null);
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return $out;
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}
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}
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?>
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