diff options
Diffstat (limited to 'system/libraries/Typography.php')
| -rw-r--r-- | system/libraries/Typography.php | 97 |
1 files changed, 54 insertions, 43 deletions
diff --git a/system/libraries/Typography.php b/system/libraries/Typography.php index 46c73ef8b..a50934f2c 100644 --- a/system/libraries/Typography.php +++ b/system/libraries/Typography.php @@ -2,7 +2,7 @@ /** * CodeIgniter * - * An open source application development framework for PHP 5.1.6 or newer + * An open source application development framework for PHP 5.2.4 or newer * * NOTICE OF LICENSE * @@ -25,35 +25,57 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * Typography Class * - * - * @access protected + * @package CodeIgniter + * @subpackage Libraries * @category Helpers * @author EllisLab Dev Team * @link http://codeigniter.com/user_guide/libraries/typography.html */ class CI_Typography { - // Block level elements that should not be wrapped inside <p> tags + /** + * Block level elements that should not be wrapped inside <p> tags + * + * @var string + */ public $block_elements = 'address|blockquote|div|dl|fieldset|form|h\d|hr|noscript|object|ol|p|pre|script|table|ul'; - // Elements that should not have <p> and <br /> tags within them. + /** + * Elements that should not have <p> and <br /> tags within them. + * + * @var string + */ public $skip_elements = 'p|pre|ol|ul|dl|object|table|h\d'; - // Tags we want the parser to completely ignore when splitting the string. + /** + * Tags we want the parser to completely ignore when splitting the string. + * + * @var string + */ public $inline_elements = 'a|abbr|acronym|b|bdo|big|br|button|cite|code|del|dfn|em|i|img|ins|input|label|map|kbd|q|samp|select|small|span|strong|sub|sup|textarea|tt|var'; - // array of block level elements that require inner content to be within another block level element + /** + * array of block level elements that require inner content to be within another block level element + * + * @var array + */ public $inner_block_required = array('blockquote'); - // the last block element parsed + /** + * the last block element parsed + * + * @var string + */ public $last_block_element = ''; - // whether or not to protect quotes within { curly braces } + /** + * whether or not to protect quotes within { curly braces } + * + * @var bool + */ public $protect_braced_quotes = FALSE; /** @@ -67,14 +89,13 @@ class CI_Typography { * - Converts double dashes into em-dashes. * - Converts two spaces into entities * - * @access public * @param string * @param bool whether to reduce more then two consecutive newlines to two * @return string */ public function auto_typography($str, $reduce_linebreaks = FALSE) { - if ($str == '') + if ($str === '') { return ''; } @@ -94,15 +115,12 @@ class CI_Typography { // HTML comment tags don't conform to patterns of normal tags, so pull them out separately, only if needed $html_comments = array(); - if (strpos($str, '<!--') !== FALSE) + if (strpos($str, '<!--') !== FALSE && preg_match_all('#(<!\-\-.*?\-\->)#s', $str, $matches)) { - if (preg_match_all("#(<!\-\-.*?\-\->)#s", $str, $matches)) + for ($i = 0, $total = count($matches[0]); $i < $total; $i++) { - for ($i = 0, $total = count($matches[0]); $i < $total; $i++) - { - $html_comments[] = $matches[0][$i]; - $str = str_replace($matches[0][$i], '{@HC'.$i.'}', $str); - } + $html_comments[] = $matches[0][$i]; + $str = str_replace($matches[0][$i], '{@HC'.$i.'}', $str); } } @@ -110,22 +128,22 @@ class CI_Typography { // not contain <pre> tags, and it keeps the PCRE patterns below simpler and faster if (strpos($str, '<pre') !== FALSE) { - $str = preg_replace_callback("#<pre.*?>.*?</pre>#si", array($this, '_protect_characters'), $str); + $str = preg_replace_callback('#<pre.*?>.*?</pre>#si', array($this, '_protect_characters'), $str); } // Convert quotes within tags to temporary markers. - $str = preg_replace_callback("#<.+?>#si", array($this, '_protect_characters'), $str); + $str = preg_replace_callback('#<.+?>#si', array($this, '_protect_characters'), $str); // Do the same with braces if necessary if ($this->protect_braced_quotes === TRUE) { - $str = preg_replace_callback("#\{.+?\}#si", array($this, '_protect_characters'), $str); + $str = preg_replace_callback('#\{.+?\}#si', array($this, '_protect_characters'), $str); } // Convert "ignore" tags to temporary marker. The parser splits out the string at every tag // it encounters. Certain inline tags, like image tags, links, span tags, etc. will be // adversely affected if they are split out so we'll convert the opening bracket < temporarily to: {@TAG} - $str = preg_replace("#<(/*)(".$this->inline_elements.")([ >])#i", "{@TAG}\\1\\2\\3", $str); + $str = preg_replace('#<(/*)('.$this->inline_elements.')([ >])#i', '{@TAG}\\1\\2\\3', $str); /* Split the string at every tag. This expression creates an array with this prototype: * @@ -148,14 +166,14 @@ class CI_Typography { { // Are we dealing with a tag? If so, we'll skip the processing for this cycle. // Well also set the "process" flag which allows us to skip <pre> tags and a few other things. - if (preg_match("#<(/*)(".$this->block_elements.").*?>#", $chunks[$i], $match)) + if (preg_match('#<(/*)('.$this->block_elements.').*?>#', $chunks[$i], $match)) { - if (preg_match("#".$this->skip_elements."#", $match[2])) + if (preg_match('#'.$this->skip_elements.'#', $match[2])) { $process = ($match[1] === '/'); } - if ($match[1] == '') + if ($match[1] === '') { $this->last_block_element = $match[2]; } @@ -180,10 +198,10 @@ class CI_Typography { $str .= $this->_format_newlines($chunks[$i]); } - // No opening block level tag? Add it if needed. - if ( ! preg_match("/^\s*<(?:".$this->block_elements.")/i", $str)) + // No opening block level tag? Add it if needed. + if ( ! preg_match('/^\s*<(?:'.$this->block_elements.')/i', $str)) { - $str = preg_replace("/^(.*?)<(".$this->block_elements.")/i", '<p>$1</p><$2', $str); + $str = preg_replace('/^(.*?)<('.$this->block_elements.')/i', '<p>$1</p><$2', $str); } // Convert quotes, elipsis, em-dashes, non-breaking spaces, and ampersands @@ -230,7 +248,7 @@ class CI_Typography { // Similarly, there might be cases where a closing </block> will follow // a closing </p> tag, so we'll correct it by adding a newline in between - "#</p></#" => "</p>\n</" + '#</p></#' => "</p>\n</" ); // Do we need to reduce empty lines? @@ -258,7 +276,6 @@ class CI_Typography { * to curly entities, but it also converts em-dashes, * double spaces, and ampersands * - * @access public * @param string * @return string */ @@ -322,13 +339,12 @@ class CI_Typography { * * Converts newline characters into either <p> tags or <br /> * - * @access protected * @param string * @return string */ protected function _format_newlines($str) { - if ($str == '' OR (strpos($str, "\n") === FALSE AND ! in_array($this->last_block_element, $this->inner_block_required))) + if ($str === '' OR (strpos($str, "\n") === FALSE && ! in_array($this->last_block_element, $this->inner_block_required))) { return $str; } @@ -337,10 +353,10 @@ class CI_Typography { $str = str_replace("\n\n", "</p>\n\n<p>", $str); // Convert single spaces to <br /> tags - $str = preg_replace("/([^\n])(\n)([^\n])/", "\\1<br />\\2\\3", $str); + $str = preg_replace("/([^\n])(\n)([^\n])/", '\\1<br />\\2\\3', $str); // Wrap the whole enchilada in enclosing paragraphs - if ($str != "\n") + if ($str !== "\n") { // We trim off the right-side new line so that the closing </p> tag // will be positioned immediately following the string, matching @@ -350,9 +366,7 @@ class CI_Typography { // Remove empty paragraphs if they are on the first line, as this // is a potential unintended consequence of the previous code - $str = preg_replace("/<p><\/p>(.*)/", "\\1", $str, 1); - - return $str; + return preg_replace('/<p><\/p>(.*)/', '\\1', $str, 1); } // ------------------------------------------------------------------------ @@ -365,7 +379,6 @@ class CI_Typography { * and we don't want double dashes converted to emdash entities, so they are marked with {@DD} * likewise double spaces are converted to {@NBS} to prevent entity conversion * - * @access protected * @param array * @return string */ @@ -379,7 +392,6 @@ class CI_Typography { /** * Convert newlines to HTML line breaks except within PRE tags * - * @access public * @param string * @return string */ @@ -399,7 +411,6 @@ class CI_Typography { } } -// END Typography Class /* End of file Typography.php */ -/* Location: ./system/libraries/Typography.php */ +/* Location: ./system/libraries/Typography.php */
\ No newline at end of file |