Members/shoshi/webvirt: cake/libs/view/helpers/text.php annotate

author	Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp>
date	Sun, 24 Jul 2011 21:08:31 +0900
parents
children

rev	line source
0 261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	1 <?php
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	2 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	3 * Text Helper
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	4 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	5 * Text manipulations: Highlight, excerpt, truncate, strip of links, convert email addresses to mailto: links...
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	6 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	7 * PHP versions 4 and 5
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	8 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	9 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	10 * Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	11 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	12 * Licensed under The MIT License
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	13 * Redistributions of files must retain the above copyright notice.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	14 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	15 * @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	16 * @link http://cakephp.org CakePHP(tm) Project
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	17 * @package cake
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	18 * @subpackage cake.cake.libs.view.helpers
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	19 * @since CakePHP(tm) v 0.10.0.1076
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	20 * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	21 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	22
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	23 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	24 * Included libraries.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	25 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	26 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	27 if (!class_exists('HtmlHelper')) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	28 App::import('Helper', 'Html');
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	29 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	30 if (!class_exists('Multibyte')) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	31 App::import('Core', 'Multibyte');
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	32 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	33
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	34 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	35 * Text helper library.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	36 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	37 * Text manipulations: Highlight, excerpt, truncate, strip of links, convert email addresses to mailto: links...
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	38 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	39 * @package cake
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	40 * @subpackage cake.cake.libs.view.helpers
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	41 * @link http://book.cakephp.org/view/1469/Text
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	42 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	43 class TextHelper extends AppHelper {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	44
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	45 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	46 * Highlights a given phrase in a text. You can specify any expression in highlighter that
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	47 * may include the \1 expression to include the $phrase found.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	48 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	49 * ### Options:
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	50 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	51 * - `format` The piece of html with that the phrase will be highlighted
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	52 * - `html` If true, will ignore any HTML tags, ensuring that only the correct text is highlighted
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	53 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	54 * @param string $text Text to search the phrase in
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	55 * @param string $phrase The phrase that will be searched
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	56 * @param array $options An array of html attributes and options.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	57 * @return string The highlighted text
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	58 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	59 * @link http://book.cakephp.org/view/1469/Text#highlight-1622
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	60 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	61 function highlight($text, $phrase, $options = array()) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	62 if (empty($phrase)) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	63 return $text;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	64 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	65
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	66 $default = array(
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	67 'format' => '<span class="highlight">\1</span>',
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	68 'html' => false
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	69 );
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	70 $options = array_merge($default, $options);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	71 extract($options);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	72
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	73 if (is_array($phrase)) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	74 $replace = array();
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	75 $with = array();
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	76
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	77 foreach ($phrase as $key => $segment) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	78 $segment = "($segment)";
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	79 if ($html) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	80 $segment = "(?![^<]+>)$segment(?![^<]+>)";
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	81 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	82
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	83 $with[] = (is_array($format)) ? $format[$key] : $format;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	84 $replace[] = "\|$segment\|iu";
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	85 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	86
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	87 return preg_replace($replace, $with, $text);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	88 } else {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	89 $phrase = "($phrase)";
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	90 if ($html) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	91 $phrase = "(?![^<]+>)$phrase(?![^<]+>)";
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	92 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	93
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	94 return preg_replace("\|$phrase\|iu", $format, $text);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	95 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	96 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	97
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	98 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	99 * Strips given text of all links (<a href=....)
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	100 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	101 * @param string $text Text
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	102 * @return string The text without links
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	103 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	104 * @link http://book.cakephp.org/view/1469/Text#stripLinks-1623
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	105 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	106 function stripLinks($text) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	107 return preg_replace('\|<a\s+[^>]+>\|im', '', preg_replace('\|<\/a>\|im', '', $text));
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	108 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	109
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	110 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	111 * Adds links (<a href=....) to a given text, by finding text that begins with
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	112 * strings like http:// and ftp://.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	113 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	114 * @param string $text Text to add links to
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	115 * @param array $options Array of HTML options.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	116 * @return string The text with links
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	117 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	118 * @link http://book.cakephp.org/view/1469/Text#autoLinkUrls-1619
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	119 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	120 function autoLinkUrls($text, $htmlOptions = array()) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	121 $options = var_export($htmlOptions, true);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	122 $text = preg_replace_callback('#(?<!href="\|">)((?:https?\|ftp\|nntp)://[^\s<>()]+)#i', create_function('$matches',
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	123 '$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->link($matches[0], $matches[0],' . $options . ');'), $text);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	124
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	125 return preg_replace_callback('#(?<!href="\|">)(?<!http://\|https://\|ftp://\|nntp://)(www\.[^\n\%\ <]+[^<\n\%\,\.\ <])(?<!\))#i',
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	126 create_function('$matches', '$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->link($matches[0], "http://" . $matches[0],' . $options . ');'), $text);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	127 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	128
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	129 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	130 * Adds email links (<a href="mailto:....) to a given text.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	131 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	132 * @param string $text Text
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	133 * @param array $options Array of HTML options.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	134 * @return string The text with links
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	135 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	136 * @link http://book.cakephp.org/view/1469/Text#autoLinkEmails-1618
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	137 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	138 function autoLinkEmails($text, $options = array()) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	139 $linkOptions = 'array(';
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	140 foreach ($options as $option => $value) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	141 $value = var_export($value, true);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	142 $linkOptions .= "'$option' => $value, ";
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	143 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	144 $linkOptions .= ')';
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	145 $atom = '[a-z0-9!#$%&\'*+\/=?^_`{\|}~-]';
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	146
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	147 return preg_replace_callback(
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	148 '/(' . $atom . '+(?:\.' . $atom . '+)*@[a-z0-9-]+(?:\.[a-z0-9-]+)+)/i',
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	149 create_function('$matches', '$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->link($matches[0], "mailto:" . $matches[0],' . $linkOptions . ');'), $text);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	150 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	151
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	152 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	153 * Convert all links and email adresses to HTML links.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	154 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	155 * @param string $text Text
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	156 * @param array $options Array of HTML options.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	157 * @return string The text with links
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	158 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	159 * @link http://book.cakephp.org/view/1469/Text#autoLink-1620
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	160 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	161 function autoLink($text, $options = array()) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	162 return $this->autoLinkEmails($this->autoLinkUrls($text, $options), $options);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	163 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	164
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	165 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	166 * Truncates text.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	167 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	168 * Cuts a string to the length of $length and replaces the last characters
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	169 * with the ending if the text is longer than length.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	170 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	171 * ### Options:
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	172 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	173 * - `ending` Will be used as Ending and appended to the trimmed string
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	174 * - `exact` If false, $text will not be cut mid-word
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	175 * - `html` If true, HTML tags would be handled correctly
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	176 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	177 * @param string $text String to truncate.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	178 * @param integer $length Length of returned string, including ellipsis.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	179 * @param array $options An array of html attributes and options.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	180 * @return string Trimmed string.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	181 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	182 * @link http://book.cakephp.org/view/1469/Text#truncate-1625
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	183 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	184 function truncate($text, $length = 100, $options = array()) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	185 $default = array(
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	186 'ending' => '...', 'exact' => true, 'html' => false
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	187 );
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	188 $options = array_merge($default, $options);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	189 extract($options);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	190
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	191 if ($html) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	192 if (mb_strlen(preg_replace('/<.*?>/', '', $text)) <= $length) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	193 return $text;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	194 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	195 $totalLength = mb_strlen(strip_tags($ending));
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	196 $openTags = array();
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	197 $truncate = '';
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	198
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	199 preg_match_all('/(<\/?([\w+]+)[^>]>)?([^<>])/', $text, $tags, PREG_SET_ORDER);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	200 foreach ($tags as $tag) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	201 if (!preg_match('/img\|br\|input\|hr\|area\|base\|basefont\|col\|frame\|isindex\|link\|meta\|param/s', $tag[2])) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	202 if (preg_match('/<[\w]+[^>]*>/s', $tag[0])) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	203 array_unshift($openTags, $tag[2]);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	204 } else if (preg_match('/<\/([\w]+)[^>]*>/s', $tag[0], $closeTag)) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	205 $pos = array_search($closeTag[1], $openTags);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	206 if ($pos !== false) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	207 array_splice($openTags, $pos, 1);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	208 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	209 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	210 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	211 $truncate .= $tag[1];
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	212
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	213 $contentLength = mb_strlen(preg_replace('/&[0-9a-z]{2,8};\|&#[0-9]{1,7};\|&#x[0-9a-f]{1,6};/i', ' ', $tag[3]));
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	214 if ($contentLength + $totalLength > $length) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	215 $left = $length - $totalLength;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	216 $entitiesLength = 0;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	217 if (preg_match_all('/&[0-9a-z]{2,8};\|&#[0-9]{1,7};\|&#x[0-9a-f]{1,6};/i', $tag[3], $entities, PREG_OFFSET_CAPTURE)) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	218 foreach ($entities[0] as $entity) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	219 if ($entity[1] + 1 - $entitiesLength <= $left) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	220 $left--;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	221 $entitiesLength += mb_strlen($entity[0]);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	222 } else {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	223 break;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	224 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	225 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	226 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	227
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	228 $truncate .= mb_substr($tag[3], 0 , $left + $entitiesLength);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	229 break;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	230 } else {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	231 $truncate .= $tag[3];
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	232 $totalLength += $contentLength;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	233 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	234 if ($totalLength >= $length) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	235 break;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	236 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	237 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	238 } else {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	239 if (mb_strlen($text) <= $length) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	240 return $text;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	241 } else {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	242 $truncate = mb_substr($text, 0, $length - mb_strlen($ending));
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	243 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	244 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	245 if (!$exact) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	246 $spacepos = mb_strrpos($truncate, ' ');
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	247 if (isset($spacepos)) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	248 if ($html) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	249 $bits = mb_substr($truncate, $spacepos);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	250 preg_match_all('/<\/([a-z]+)>/', $bits, $droppedTags, PREG_SET_ORDER);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	251 if (!empty($droppedTags)) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	252 foreach ($droppedTags as $closingTag) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	253 if (!in_array($closingTag[1], $openTags)) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	254 array_unshift($openTags, $closingTag[1]);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	255 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	256 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	257 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	258 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	259 $truncate = mb_substr($truncate, 0, $spacepos);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	260 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	261 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	262 $truncate .= $ending;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	263
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	264 if ($html) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	265 foreach ($openTags as $tag) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	266 $truncate .= '</'.$tag.'>';
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	267 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	268 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	269
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	270 return $truncate;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	271 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	272
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	273 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	274 * Extracts an excerpt from the text surrounding the phrase with a number of characters on each side
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	275 * determined by radius.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	276 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	277 * @param string $text String to search the phrase in
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	278 * @param string $phrase Phrase that will be searched for
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	279 * @param integer $radius The amount of characters that will be returned on each side of the founded phrase
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	280 * @param string $ending Ending that will be appended
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	281 * @return string Modified string
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	282 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	283 * @link http://book.cakephp.org/view/1469/Text#excerpt-1621
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	284 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	285 function excerpt($text, $phrase, $radius = 100, $ending = '...') {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	286 if (empty($text) or empty($phrase)) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	287 return $this->truncate($text, $radius * 2, array('ending' => $ending));
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	288 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	289
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	290 $phraseLen = mb_strlen($phrase);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	291 if ($radius < $phraseLen) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	292 $radius = $phraseLen;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	293 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	294
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	295 $pos = mb_strpos(mb_strtolower($text), mb_strtolower($phrase));
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	296
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	297 $startPos = 0;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	298 if ($pos > $radius) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	299 $startPos = $pos - $radius;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	300 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	301
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	302 $textLen = mb_strlen($text);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	303
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	304 $endPos = $pos + $phraseLen + $radius;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	305 if ($endPos >= $textLen) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	306 $endPos = $textLen;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	307 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	308
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	309 $excerpt = mb_substr($text, $startPos, $endPos - $startPos);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	310 if ($startPos != 0) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	311 $excerpt = substr_replace($excerpt, $ending, 0, $phraseLen);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	312 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	313
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	314 if ($endPos != $textLen) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	315 $excerpt = substr_replace($excerpt, $ending, -$phraseLen);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	316 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	317
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	318 return $excerpt;
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	319 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	320
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	321 /**
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	322 * Creates a comma separated list where the last two items are joined with 'and', forming natural English
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	323 *
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	324 * @param array $list The list to be joined
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	325 * @param string $and The word used to join the last and second last items together with. Defaults to 'and'
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	326 * @param string $separator The separator used to join all othe other items together. Defaults to ', '
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	327 * @return string The glued together string.
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	328 * @access public
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	329 * @link http://book.cakephp.org/view/1469/Text#toList-1624
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	330 */
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	331 function toList($list, $and = 'and', $separator = ', ') {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	332 if (count($list) > 1) {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	333 return implode($separator, array_slice($list, null, -1)) . ' ' . $and . ' ' . array_pop($list);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	334 } else {
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	335 return array_pop($list);
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	336 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	337 }
261e66bd5a0c hg init Shoshi TAMAKI <shoshi@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	338 }

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261e66bd5a0c hg init