/**
* Modifier plugin : count the number of characters in a text.
*
* <pre>{$mytext|count_characters}
* {$mytext|count_characters:true}</pre>
*
* @param \Jelix\Castor\CastorCore $tpl The template
* @param string $string
* @param bool $include_spaces include whitespace in the character count
*
* @return int
*/
function jtpl_modifier2_common_count_characters(\Jelix\Castor\CastorCore $tpl, $string, $include_spaces = false)
{
if ($include_spaces) {
return iconv_strlen($string, $tpl->getEncoding());
}
return preg_match_all("/[^\\s]/", $string, $match);
}
/**
* modifier plugin : Truncate a string.
*
* Truncate a string to a certain length if necessary, optionally splitting in
* the middle of a word, and appending the $etc string.
* <pre>{$mytext|truncate}
* {$mytext|truncate:40}
* {$mytext|truncate:45:'...'}
* {$mytext|truncate:60:'...':true}
* </pre>
*
* @param \Jelix\Castor\CastorCore $tpl The template
* @param string $string the string to truncate
* @param int $length the number of char to keep
* @param string $etc the string to append to the truncated string
* @param bool $break_words false if the last word shouldn't be cut
*
* @return string
*/
function jtpl_modifier2_common_truncate(\Jelix\Castor\CastorCore $tpl, $string, $length = 80, $etc = '...', $break_words = false)
{
if (function_exists('mb_strlen')) {
$f_strlen = 'mb_strlen';
} else {
$f_strlen = 'iconv_strlen';
}
if (function_exists('mb_substr')) {
$f_substr = 'mb_substr';
} else {
$f_substr = 'iconv_substr';
}
if ($length == 0) {
return '';
}
$charset = $tpl->getEncoding();
if ($f_strlen($string, $charset) > $length) {
$length -= $f_strlen($etc, $charset);
if (!$break_words) {
$string = preg_replace('/\\s+?(\\S+)?$/', '', $f_substr($string, 0, $length + 1, $charset));
}
return $f_substr($string, 0, $length, $charset) . $etc;
} else {
return $string;
}
}
/**
* modifier plugin : regular epxression search/replace.
*
* You should provide two arguments, like the first both of preg_replace
* {$mystring|regex_replace:'/(\w+) (\d+), (\d+)/i':'${1}1,$3'}
*
* @param \Jelix\Castor\CastorCore $tpl The template
* @param string $string
* @param string|array $search
* @param string|array $replace
*
* @return string
*/
function jtpl_modifier2_common_regex_replace(\Jelix\Castor\CastorCore $tpl, $string, $search, $replace)
{
if (preg_match('!\\W(\\w+)$!s', $search, $match) && strpos($match[1], 'e') !== false) {
/* remove eval-modifier from $search */
$search = substr($search, 0, -iconv_strlen($match[1], $tpl->getEncoding())) . str_replace('e', '', $match[1]);
}
return preg_replace($search, $replace, $string);
}