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Cleaning up TextHelper code

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git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@3303 3807eeeb-6ff5-0310-8944-8be069107fe0
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nate 2006-07-27 04:12:24 +00:00
parent cd3578e0b4
commit c50275de24
1 changed files with 89 additions and 103 deletions
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192
cake/libs/view/helpers/text.php
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@ -32,12 +32,9 @@
* Included libraries.
*
*/
if (!class_exists('Flay')) {
uses('flay');
}
if (!class_exists('Html')) {
uses(DS . 'view' . DS . 'helpers' . DS . 'html');
uses(DS . 'view' . DS . 'helpers' . DS . 'html');
}
/**
@ -48,7 +45,8 @@ if (!class_exists('Html')) {
* @package cake
* @subpackage cake.cake.libs.view.helpers
*/
class TextHelper extends Helper{
class TextHelper extends Helper {
/**
* Highlights a given phrase in a text.
*
@ -57,40 +55,39 @@ class TextHelper extends Helper{
* @param string $highlighter The piece of html with that the phrase will be highlighted
* @return string The highlighted text
*/
function highlight($text, $phrase, $highlighter = '<span class="highlight">\1</span>') {
if (empty($phrase))
return $text;
function highlight($text, $phrase, $highlighter = '<span class="highlight">\1</span>') {
if (empty($phrase)) {
return $text;
}
if (is_array($phrase)) {
$replace=array();
$with=array();
if (is_array($phrase)) {
$replace = array();
$with = array();
foreach($phrase as $key => $value) {
if (empty($key)) {
$key =$value;
$value=$highlighter;
}
$replace[]='|(' . $key . ')|';
$with[]=empty($value) ? $highlighter : $value;
foreach($phrase as $key => $value) {
if (empty($key)) {
$key = $value;
$value = $highlighter;
}
return preg_replace($replace, $with, $text);
} else {
return preg_replace("|({$phrase})|i", $highlighter, $text);
}
}
$replace[] = '|(' . $key . ')|';
$with[] = empty($value) ? $highlighter : $value;
}
return preg_replace($replace, $with, $text);
} else {
return preg_replace("|({$phrase})|i", $highlighter, $text);
}
}
/**
* Strips given text of all links (<a href=....)
*
* @param string $text Text
* @return string The text without links
*/
function stripLinks($text) {
return preg_replace('|<a.*>(.*)<\/a>|im', '\1', $text);
}
function stripLinks($text) {
return preg_replace('|<a.*>(.*)<\/a>|im', '\1', $text);
}
/**
* Adds links (<a href=....) to a given text, by finding text that begins with
* strings like http:// and ftp://.
@ -99,25 +96,20 @@ class TextHelper extends Helper{
* @param array $htmlOptions Array of HTML options.
* @return string The text with links
*/
function autoLinkUrls($text, $htmlOptions = array()) {
$options='array(';
function autoLinkUrls($text, $htmlOptions = array()) {
$options = 'array(';
foreach($htmlOptions as $option => $value) {
foreach($htmlOptions as $option => $value) {
$options .= "'$option' => '$value', ";
}
}
$options .= ')';
$options .= ')';
$text=preg_replace_callback('#((?:http|https|ftp|nntp)://[^ ]+)#',
create_function('$matches',
'$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->linkOut($matches[0], $matches[0],' . $options . ');'),
$text);
return preg_replace_callback('#(?<!http://|https://|ftp://|nntp://)(www\.[^\n\%\ ]+[^\n\%\,\.\ ])#',
create_function('$matches',
'$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->linkOut($matches[0], "http://" . $matches[0],' . $options . ');'),
$text);
}
$text = preg_replace_callback('#((?:http|https|ftp|nntp)://[^ ]+)#', create_function('$matches',
'$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->linkOut($matches[0], $matches[0],' . $options . ');'), $text);
return preg_replace_callback('#(?<!http://|https://|ftp://|nntp://)(www\.[^\n\%\ ]+[^\n\%\,\.\ ])#',
create_function('$matches', '$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->linkOut($matches[0], "http://" . $matches[0],' . $options . ');'), $text);
}
/**
* Adds email links (<a href="mailto:....) to a given text.
*
@ -125,22 +117,17 @@ class TextHelper extends Helper{
* @param array $htmlOptions Array of HTML options.
* @return string The text with links
*/
function autoLinkEmails($text, $htmlOptions = array()) {
$options='array(';
function autoLinkEmails($text, $htmlOptions = array()) {
$options = 'array(';
foreach($htmlOptions as $option => $value) {
$options .= "'$option' => '$value', ";
}
$options .= ')';
return preg_replace_callback(
'#([_A-Za-z0-9+-+]+(?:\.[_A-Za-z0-9+-]+)*@[A-Za-z0-9-]+(?:\.[A-Za-z0-9-]+)*)#',
create_function('$matches',
'$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->linkEmail($matches[0], $matches[0],' . $options . ');'),
$text);
}
foreach($htmlOptions as $option => $value) {
$options .= "'$option' => '$value', ";
}
$options .= ')';
return preg_replace_callback('#([_A-Za-z0-9+-+]+(?:\.[_A-Za-z0-9+-]+)*@[A-Za-z0-9-]+(?:\.[A-Za-z0-9-]+)*)#',
create_function('$matches', '$Html = new HtmlHelper(); $Html->tags = $Html->loadConfig(); return $Html->linkEmail($matches[0], $matches[0],' . $options . ');'), $text);
}
/**
* Convert all links and email adresses to HTML links.
*
@ -148,10 +135,9 @@ class TextHelper extends Helper{
* @param array $htmlOptions Array of HTML options.
* @return string The text with links
*/
function autoLink($text, $htmlOptions = array()) {
return $this->autoLinkEmails($this->autoLinkUrls($text, $htmlOptions), $htmlOptions);
}
function autoLink($text, $htmlOptions = array()) {
return $this->autoLinkEmails($this->autoLinkUrls($text, $htmlOptions), $htmlOptions);
}
/**
* Truncates text.
*
@ -164,35 +150,31 @@ class TextHelper extends Helper{
* @param boolean $exact If false, $test will not be cut mid-word
* @return string Trimmed string.
*/
function truncate($text, $length, $ending = '...', $exact = true) {
if (strlen($text) <= $length) {
return $text;
} else {
$truncate=substr($text, 0, $length - strlen($ending));
function truncate($text, $length, $ending = '...', $exact = true) {
if (strlen($text) <= $length) {
return $text;
} else {
$truncate = substr($text, 0, $length - strlen($ending));
if (!$exact) {
$spacepos=strrpos($truncate, ' ');
if (!$exact) {
$spacepos = strrpos($truncate, ' ');
if (isset($spacepos)) {
return substr($truncate, 0, $spacepos) . $ending;
}
if (isset($spacepos)) {
return substr($truncate, 0, $spacepos) . $ending;
}
return $truncate . $ending;
}
}
}
return $truncate . $ending;
}
}
/**
* Alias for truncate().
*
* @see TextHelper::truncate()
*/
function trim() {
$args=func_get_args();
return call_user_func_array(array(&$this,
"truncate"), $args);
}
function trim() {
$args = func_get_args();
return call_user_func_array(array(&$this, 'truncate'), $args);
}
/**
* Extracts an excerpt from the text surrounding the phrase with a number of characters on each side determined by radius.
*
@ -202,29 +184,30 @@ class TextHelper extends Helper{
* @param string $ending Ending that will be appended
* @return string Enter description here...
*/
function excerpt($text, $phrase, $radius = 100, $ending = "...") {
if (empty($text) or empty($phrase))
return $this->truncate($text, $radius * 2, $ending);
function excerpt($text, $phrase, $radius = 100, $ending = "...") {
if (empty($text) or empty($phrase)) {
return $this->truncate($text, $radius * 2, $ending);
}
if ($radius < strlen($phrase))
$radius=strlen($phrase);
if ($radius < strlen($phrase))
$radius = strlen($phrase);
}
$pos =strpos($text, $phrase);
$startPos=$pos <= $radius ? 0 : $pos - $radius;
$endPos =$pos + strlen($phrase) + $radius >= strlen($text)
? strlen($text) : $pos + strlen($phrase) + $radius;
$pos = strpos($text, $phrase);
$startPos = $pos <= $radius ? 0 : $pos - $radius;
$endPos = $pos + strlen($phrase) + $radius >= strlen($text) ? strlen($text) : $pos + strlen($phrase) + $radius;
$excerpt = substr($text, $startPos, $endPos - $startPos);
$excerpt =substr($text, $startPos, $endPos - $startPos);
if ($startPos != 0) {
$excerpt = substr_replace($excerpt, $ending, 0, strlen($phrase));
}
if ($startPos != 0)
$excerpt=substr_replace($excerpt, $ending, 0, strlen($phrase));
if ($endPos != strlen($text))
$excerpt=substr_replace($excerpt, $ending, -strlen($phrase));
return $excerpt;
}
if ($endPos != strlen($text)) {
$excerpt = substr_replace($excerpt, $ending, -strlen($phrase));
}
return $excerpt;
}
/**
* Text-to-html parser, similar to Textile or RedCloth, only with a little different syntax.
*
@ -233,8 +216,11 @@ class TextHelper extends Helper{
* @return string "Flayed" text
* @todo Change this. We need a real Textile parser.
*/
function flay($text, $allowHtml = false) {
return Flay::toHtml($text, false, $allowHtml);
}
function flay($text, $allowHtml = false) {
if (!class_exists('Flay')) {
uses('flay');
}
return Flay::toHtml($text, false, $allowHtml);
}
}
?>