diff options
Diffstat (limited to 'system/libraries/Typography.php')
| -rw-r--r-- | system/libraries/Typography.php | 82 |
1 files changed, 25 insertions, 57 deletions
diff --git a/system/libraries/Typography.php b/system/libraries/Typography.php index 29b871e23..0502eef1e 100644 --- a/system/libraries/Typography.php +++ b/system/libraries/Typography.php @@ -34,7 +34,13 @@ class CI_Typography { // Tags we want the parser to completely ignore when splitting the string. var $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 + var $inner_block_required = array('blockquote'); + + // the last block element parsed + var $last_block_element = ''; + // whether or not to protect quotes within { curly braces } var $protect_braced_quotes = FALSE; @@ -80,7 +86,7 @@ class CI_Typography { if ($reduce_linebreaks === TRUE) { $str = preg_replace("/\n\n+/", "\n\n", $str); - } + } // Convert quotes within tags to temporary markers. We don't want quotes converted // within tags so we'll temporarily convert them to {@DQ} and {@SQ} @@ -133,37 +139,30 @@ class CI_Typography { { // Are we dealing with a tag? If so, we'll skip the processing for this cycle. // Well also set the "process" flag which allows us to skip <pre> tags and a few other things. - if (preg_match("#<(/*)(".$this->block_elements.").*?>#", $chunk, $match)) + if (preg_match("#<(/*)(".$this->block_elements.").*?\>#", $chunk, $match)) { if (preg_match("#".$this->skip_elements."#", $match[2])) { $process = ($match[1] == '/') ? TRUE : FALSE; } - $str .= $chunk; - continue; - } - elseif (preg_match('/<(\/?)([a-z]*).*?>/s', $chunk, $tagmatch)) - { - if ($tagmatch[1] == '/' && $tagmatch[2] == $this->last_tag) + if ($match[1] == '') { - $process = FALSE; + $this->last_block_element = $match[2]; } - else - { - $process = TRUE; - $this->last_tag = $tagmatch[2]; - } - } + $str .= $chunk; + continue; + } + if ($process == FALSE) { $str .= $chunk; continue; } - + // Convert Newlines into <p> and <br /> tags - $str .= $this->format_characters($this->_format_newlines($chunk)); + $str .= $this->_format_newlines($chunk); } // is the whole of the content inside a block level element? @@ -171,20 +170,16 @@ class CI_Typography { { $str = "<p>{$str}</p>"; } - - - // some special linebreak cleanup - $str = preg_replace_callback('#<(?!/|'.$this->block_elements.')([^>]*)><p>(.*?)</p><(\w*)#si', array($this, '_linebreak_cleanup'), $str); - - // and cleanup empty paragraph tags sitting between two closing tags - $str = preg_replace('#(</\w+>)<p>(\s*)</p>(</\w+>)#si', '$1$2$3', $str); + // Convert quotes, elipsis, and em-dashes + $str = $this->format_characters($str); + // Final clean up $table = array( // If the user submitted their own paragraph tags within the text // we will retain them instead of using our tags. - '/(<p[^>*?]>)<p>/' => '$1', // <?php BBEdit syntax coloring bug fix + '/(<p[^>*?]>)<p>/' => '$1', // <?php BBEdit syntax coloring bug fix // Reduce multiple instances of opening/closing paragraph tags to a single one '#(</p>)+#' => '</p>', @@ -192,13 +187,10 @@ class CI_Typography { // Clean up stray paragraph tags that appear before block level elements '#<p></p><('.$this->block_elements.')#' => '<$1', - - // Clean up open paragraph tags that appear before block level elements - '#<p>(\W)<('.$this->block_elements.')#' => '<p></p>$1<$2', // Clean up stray non-breaking spaces preceeding block elements '#[ ]+<('.$this->block_elements.')#' => ' <$1', - + // Replace the temporary markers we added earlier '/\{@TAG\}/' => '<', '/\{@DQ\}/' => '"', @@ -207,7 +199,7 @@ class CI_Typography { '/\{@NBS\}/' => ' ' ); - + // Do we need to reduce empty lines? if ($reduce_linebreaks === TRUE) { @@ -227,30 +219,6 @@ class CI_Typography { // -------------------------------------------------------------------- /** - * Linebreak Cleanup - * - * Removes paragraph and line break tags inserted inbetween - * inline content and a new opening block level element - * - * @access private - * @param array - * @return string - */ - function _linebreak_cleanup($match) - { - if (in_array($match[3], explode('|', $this->block_elements))) - { - return "<{$match[1]}>".str_replace('<br />', '', $match[2])."<{$match[3]}"; - } - else - { - return $match[0]; - } - } - - // -------------------------------------------------------------------- - - /** * Format Characters * * This function mainly converts double and single quotes @@ -320,8 +288,8 @@ class CI_Typography { { return $str; } - - if (strpos($str, "\n") === FALSE) + + if (strpos($str, "\n") === FALSE && ! in_array($this->last_block_element, $this->inner_block_required)) { return $str; } |