diff options
Diffstat (limited to 'system/helpers/typography_helper.php')
-rw-r--r-- | system/helpers/typography_helper.php | 1078 |
1 files changed, 539 insertions, 539 deletions
diff --git a/system/helpers/typography_helper.php b/system/helpers/typography_helper.php index 1681fa37c..131358c6a 100644 --- a/system/helpers/typography_helper.php +++ b/system/helpers/typography_helper.php @@ -1,540 +1,540 @@ -<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); -/** - * Code Igniter - * - * An open source application development framework for PHP 4.3.2 or newer - * - * @package CodeIgniter - * @author Rick Ellis - * @copyright Copyright (c) 2006, pMachine, Inc. - * @license http://www.codeignitor.com/user_guide/license.html - * @link http://www.codeigniter.com - * @since Version 1.0 - * @filesource - */ - -// ------------------------------------------------------------------------ - -/** - * Code Igniter Typography Helpers - * - * @package CodeIgniter - * @subpackage Helpers - * @category Helpers - * @author Rick Ellis - * @link http://www.codeigniter.com/user_guide/helpers/typography_helper.html - */ - -// ------------------------------------------------------------------------ - -/** - * Convert newlines to HTML line breaks except within PRE tags - * - * @access public - * @param string - * @return string - */ -function nl2br_except_pre($str) -{ - $ex = explode("pre>",$str); - $ct = count($ex); - - $newstr = ""; - for ($i = 0; $i < $ct; $i++) - { - if (($i % 2) == 0) - { - $newstr .= nl2br($ex[$i]); - } - else - { - $newstr .= $ex[$i]; - } - - if ($ct - 1 != $i) - $newstr .= "pre>"; - } - - return $newstr; -} - -// ------------------------------------------------------------------------ - -/** - * Auto Typography Wrapper Function - * - * - * @access public - * @param string - * @return string - */ -function auto_typography($str) -{ - $TYPE = new Auto_typography(); - return $TYPE->convert($str); -} - -// ------------------------------------------------------------------------ - -/** - * Auto Typography Class - * - * - * @access private - * @category Helpers - * @author Rick Ellis - * @author Paul Burdick - * @link http://www.codeigniter.com/user_guide/helpers/ - */ -class Auto_typography { - - // Block level elements that should not be wrapped inside <p> tags - var $block_elements = 'div|blockquote|pre|code|h\d|script|ol|un'; - - // Elements that should not have <p> and <br /> tags within them. - var $skip_elements = 'pre|ol|ul'; - - // Tags we want the parser to completely ignore when splitting the string. - var $ignore_elements = 'a|b|i|em|strong|span|img|li'; - - - /** - * Main Processing Function - * - */ - function convert($str) - { - if ($str == '') - { - return ''; - } - - $str = ' '.$str.' '; - - // Standardize Newlines to make matching easier - $str = preg_replace("/(\r\n|\r)/", "\n", $str); - - /* - * Reduce line breaks - * - * If there are more than two consecutive line - * breaks we'll compress them down to a maximum - * of two since there's no benefit to more. - * - */ - $str = preg_replace("/\n\n+/", "\n\n", $str); - - /* - * Convert quotes within tags to temporary marker - * - * We don't want quotes converted within - * tags so we'll temporarily convert them to - * {@DQ} and {@SQ} - * - */ - if (preg_match_all("#\<.+?>#si", $str, $matches)) - { - for ($i = 0; $i < count($matches['0']); $i++) - { - $str = str_replace($matches['0'][$i], - str_replace(array("'",'"'), array('{@SQ}', '{@DQ}'), $matches['0'][$i]), - $str); - } - } - - - /* - * Add closing/opening paragraph tags before/after "block" elements - * - * Since block elements (like <blockquotes>, <pre>, etc.) do not get - * wrapped in paragraph tags we will add a closing </p> tag just before - * each block element starts and an opening <p> tag right after the block element - * ends. Later on we'll do some further clean up. - * - */ - $str = preg_replace("#(<.*?)(".$this->block_elements.")(.*?>)#", "</p>\\1\\2\\3", $str); - $str = preg_replace("#(</.*?)(".$this->block_elements.")(.*?>)#", "\\1\\2\\3<p>", $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 < temporarily to: {@TAG} - * - */ - $str = preg_replace("#<(/*)(".$this->ignore_elements.")#i", "{@TAG}\\1\\2", $str); - - /* - * Split the string at every tag - * - * This creates an array with this prototype: - * - * [array] - * { - * [0] = <opening tag> - * [1] = Content contained between the tags - * [2] = <closing tag> - * Etc... - * } - * - */ - $chunks = preg_split('/(<(?:[^<>]+(?:"[^"]*"|\'[^\']*\')?)+>)/', $str, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY); - - /* - * Build our finalized string - * - * We'll cycle through the array, skipping tags, - * and processing the contained text - * - */ - $str = ''; - $process = TRUE; - foreach ($chunks as $chunk) - { - /* - * Are we dealing with a tag? - * - * If so, we'll skip the processing for this cycle. - * Well also set the "process" flag which allows us - * to skip <pre> tags and a few other things. - * - */ - if (preg_match("#<(/*)(".$this->block_elements.").*?\>#", $chunk, $match)) - { - if (preg_match("#".$this->skip_elements."#", $match['2'])) - { - $process = ($match['1'] == '/') ? TRUE : FALSE; - } - - $str .= $chunk; - continue; - } - - if ($process == FALSE) - { - $str .= $chunk; - continue; - } - - // Convert Newlines into <p> and <br /> tags - $str .= $this->format_newlines($chunk); - } - - // FINAL CLEAN UP - // IMPORTANT: DO NOT ALTER THE ORDER OF THE ITEMS BELOW! - - /* - * Clean up paragraph tags before/after "block" elements - * - * Earlier we added <p></p> tags before/after block level elements. - * Then, we added paragraph tags around double line breaks. This - * potentially created incorrectly formatted paragraphs so we'll - * clean it up here. - * - */ - $str = preg_replace("#<p>({@TAG}.*?)(".$this->block_elements.")(.*?>)#", "\\1\\2\\3", $str); - $str = preg_replace("#({@TAG}/.*?)(".$this->block_elements.")(.*?>)</p>#", "\\1\\2\\3", $str); - - // Convert Quotes and other characters - $str = $this->format_characters($str); - - // Fix an artifact that happens during the paragraph replacement - $str = preg_replace('#(<p>\n*</p>)#', '', $str); - - // If the user submitted their own paragraph tags with class data - // in them we will retain them instead of using our tags. - $str = preg_replace('#(<p.*?>)<p>#', "\\1", $str); - - // Final clean up - $str = str_replace( - array( - '</p></p>', - '</p><p>', - '<p> ', - ' </p>', - '{@TAG}', - '{@DQ}', - '{@SQ}', - '<p></p>' - ), - array( - '</p>', - '<p>', - '<p>', - '</p>', - '<', - '"', - "'", - '' - ), - $str - ); - - return $str; - } - - // -------------------------------------------------------------------- - - /** - * Format Characters - * - * This function mainly converts double and single quotes - * to entities, but since these are directional, it does - * it based on some rules. It also converts em-dashes - * and a couple other things. - */ - function format_characters($str) - { - $table = array( - ' "' => " “", - '" ' => "” ", - " '" => " ‘", - "' " => "’ ", - - '>"' => ">“", - '"<' => "”<", - ">'" => ">‘", - "'<" => "’<", - - "\"." => "”.", - "\"," => "”,", - "\";" => "”;", - "\":" => "”:", - "\"!" => "”!", - "\"?" => "”?", - - ". " => ". ", - "? " => "? ", - "! " => "! ", - ": " => ": ", - ); - - // These deal with quotes within quotes, like: "'hi here'" - $start = 0; - $space = array("\n", "\t", " "); - - while(TRUE) - { - $current = strpos(substr($str, $start), "\"'"); - - if ($current === FALSE) break; - - $one_before = substr($str, $start+$current-1, 1); - $one_after = substr($str, $start+$current+2, 1); - - if ( ! in_array($one_after, $space, TRUE) && $one_after != "<") - { - $str = str_replace( $one_before."\"'".$one_after, - $one_before."“‘".$one_after, - $str); - } - elseif ( ! in_array($one_before, $space, TRUE) && (in_array($one_after, $space, TRUE) OR $one_after == '<')) - { - $str = str_replace( $one_before."\"'".$one_after, - $one_before."”’".$one_after, - $str); - } - - $start = $start+$current+2; - } - - $start = 0; - - while(TRUE) - { - $current = strpos(substr($str, $start), "'\""); - - if ($current === FALSE) break; - - $one_before = substr($str, $start+$current-1, 1); - $one_after = substr($str, $start+$current+2, 1); - - if ( in_array($one_before, $space, TRUE) && ! in_array($one_after, $space, TRUE) && $one_after != "<") - { - $str = str_replace( $one_before."'\"".$one_after, - $one_before."‘“".$one_after, - $str); - } - elseif ( ! in_array($one_before, $space, TRUE) && $one_before != ">") - { - $str = str_replace( $one_before."'\"".$one_after, - $one_before."’”".$one_after, - $str); - } - - $start = $start+$current+2; - } - - // Are there quotes within a word, as in: ("something") - if (preg_match_all("/(.)\"(\S+?)\"(.)/", $str, $matches)) - { - for ($i=0, $s=sizeof($matches['0']); $i < $s; ++$i) - { - if ( ! in_array($matches['1'][$i], $space, TRUE) && ! in_array($matches['3'][$i], $space, TRUE)) - { - $str = str_replace( $matches['0'][$i], - $matches['1'][$i]."“".$matches['2'][$i]."”".$matches['3'][$i], - $str); - } - } - } - - if (preg_match_all("/(.)\'(\S+?)\'(.)/", $str, $matches)) - { - for ($i=0, $s=sizeof($matches['0']); $i < $s; ++$i) - { - if ( ! in_array($matches['1'][$i], $space, TRUE) && ! in_array($matches['3'][$i], $space, TRUE)) - { - $str = str_replace( $matches['0'][$i], - $matches['1'][$i]."‘".$matches['2'][$i]."’".$matches['3'][$i], - $str); - } - } - } - - // How about one apostrophe, as in Rick's - $start = 0; - - while(TRUE) - { - $current = strpos(substr($str, $start), "'"); - - if ($current === FALSE) break; - - $one_before = substr($str, $start+$current-1, 1); - $one_after = substr($str, $start+$current+1, 1); - - if ( ! in_array($one_before, $space, TRUE) && ! in_array($one_after, $space, TRUE)) - { - $str = str_replace( $one_before."'".$one_after, - $one_before."’".$one_after, - $str); - } - - $start = $start+$current+2; - } - - // Em-dashes - $start = 0; - while(TRUE) - { - $current = strpos(substr($str, $start), "--"); - - if ($current === FALSE) break; - - $one_before = substr($str, $start+$current-1, 1); - $one_after = substr($str, $start+$current+2, 1); - $two_before = substr($str, $start+$current-2, 1); - $two_after = substr($str, $start+$current+3, 1); - - if (( ! in_array($one_before, $space, TRUE) && ! in_array($one_after, $space, TRUE)) - OR - ( ! in_array($two_before, $space, TRUE) && ! in_array($two_after, $space, TRUE) && $one_before == ' ' && $one_after == ' ') - ) - { - $str = str_replace( $two_before.$one_before."--".$one_after.$two_after, - $two_before.trim($one_before)."—".trim($one_after).$two_after, - $str); - } - - $start = $start+$current+2; - } - - // Ellipsis - $str = preg_replace("#(\w)\.\.\.(\s|<br />|</p>)#", "\\1…\\2", $str); - $str = preg_replace("#(\s|<br />|</p>)\.\.\.(\w)#", "\\1…\\2", $str); - - // Run the translation array we defined above - $str = str_replace(array_keys($table), array_values($table), $str); - - // If there are any stray double quotes we'll catch them here - - $start = 0; - - while(TRUE) - { - $current = strpos(substr($str, $start), '"'); - - if ($current === FALSE) break; - - $one_before = substr($str, $start+$current-1, 1); - $one_after = substr($str, $start+$current+1, 1); - - if ( ! in_array($one_after, $space, TRUE)) - { - $str = str_replace( $one_before.'"'.$one_after, - $one_before."“".$one_after, - $str); - } - elseif( ! in_array($one_before, $space, TRUE)) - { - $str = str_replace( $one_before."'".$one_after, - $one_before."”".$one_after, - $str); - } - - $start = $start+$current+2; - } - - $start = 0; - - while(TRUE) - { - $current = strpos(substr($str, $start), "'"); - - if ($current === FALSE) break; - - $one_before = substr($str, $start+$current-1, 1); - $one_after = substr($str, $start+$current+1, 1); - - if ( ! in_array($one_after, $space, TRUE)) - { - $str = str_replace( $one_before."'".$one_after, - $one_before."‘".$one_after, - $str); - } - elseif( ! in_array($one_before, $space, TRUE)) - { - $str = str_replace( $one_before."'".$one_after, - $one_before."’".$one_after, - $str); - } - - $start = $start+$current+2; - } - - return $str; - } - - // -------------------------------------------------------------------- - - /** - * Format Newlines - * - * Converts newline characters into either <p> tags or <br /> - * - */ - function format_newlines($str) - { - if ($str == '') - { - return $str; - } - - if (strpos($str, "\n") === FALSE) - { - return '<p>'.$str.'</p>'; - } - - $str = str_replace("\n\n", "</p>\n\n<p>", $str); - $str = preg_replace("/([^\n])(\n)([^\n])/", "\\1<br />\\2\\3", $str); - - return '<p>'.$str.'</p>'; - } -} - - +<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, EllisLab, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Typography Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/typography_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Convert newlines to HTML line breaks except within PRE tags
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function nl2br_except_pre($str)
+{
+ $ex = explode("pre>",$str);
+ $ct = count($ex);
+
+ $newstr = "";
+ for ($i = 0; $i < $ct; $i++)
+ {
+ if (($i % 2) == 0)
+ {
+ $newstr .= nl2br($ex[$i]);
+ }
+ else
+ {
+ $newstr .= $ex[$i];
+ }
+
+ if ($ct - 1 != $i)
+ $newstr .= "pre>";
+ }
+
+ return $newstr;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Auto Typography Wrapper Function
+ *
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function auto_typography($str)
+{
+ $TYPE = new Auto_typography();
+ return $TYPE->convert($str);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Auto Typography Class
+ *
+ *
+ * @access private
+ * @category Helpers
+ * @author Rick Ellis
+ * @author Paul Burdick
+ * @link http://www.codeigniter.com/user_guide/helpers/
+ */
+class Auto_typography {
+
+ // Block level elements that should not be wrapped inside <p> tags
+ var $block_elements = 'div|blockquote|pre|code|h\d|script|ol|un';
+
+ // Elements that should not have <p> and <br /> tags within them.
+ var $skip_elements = 'pre|ol|ul';
+
+ // Tags we want the parser to completely ignore when splitting the string.
+ var $ignore_elements = 'a|b|i|em|strong|span|img|li';
+
+
+ /**
+ * Main Processing Function
+ *
+ */
+ function convert($str)
+ {
+ if ($str == '')
+ {
+ return '';
+ }
+
+ $str = ' '.$str.' ';
+
+ // Standardize Newlines to make matching easier
+ $str = preg_replace("/(\r\n|\r)/", "\n", $str);
+
+ /*
+ * Reduce line breaks
+ *
+ * If there are more than two consecutive line
+ * breaks we'll compress them down to a maximum
+ * of two since there's no benefit to more.
+ *
+ */
+ $str = preg_replace("/\n\n+/", "\n\n", $str);
+
+ /*
+ * Convert quotes within tags to temporary marker
+ *
+ * We don't want quotes converted within
+ * tags so we'll temporarily convert them to
+ * {@DQ} and {@SQ}
+ *
+ */
+ if (preg_match_all("#\<.+?>#si", $str, $matches))
+ {
+ for ($i = 0; $i < count($matches['0']); $i++)
+ {
+ $str = str_replace($matches['0'][$i],
+ str_replace(array("'",'"'), array('{@SQ}', '{@DQ}'), $matches['0'][$i]),
+ $str);
+ }
+ }
+
+
+ /*
+ * Add closing/opening paragraph tags before/after "block" elements
+ *
+ * Since block elements (like <blockquotes>, <pre>, etc.) do not get
+ * wrapped in paragraph tags we will add a closing </p> tag just before
+ * each block element starts and an opening <p> tag right after the block element
+ * ends. Later on we'll do some further clean up.
+ *
+ */
+ $str = preg_replace("#(<.*?)(".$this->block_elements.")(.*?>)#", "</p>\\1\\2\\3", $str);
+ $str = preg_replace("#(</.*?)(".$this->block_elements.")(.*?>)#", "\\1\\2\\3<p>", $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 < temporarily to: {@TAG}
+ *
+ */
+ $str = preg_replace("#<(/*)(".$this->ignore_elements.")#i", "{@TAG}\\1\\2", $str);
+
+ /*
+ * Split the string at every tag
+ *
+ * This creates an array with this prototype:
+ *
+ * [array]
+ * {
+ * [0] = <opening tag>
+ * [1] = Content contained between the tags
+ * [2] = <closing tag>
+ * Etc...
+ * }
+ *
+ */
+ $chunks = preg_split('/(<(?:[^<>]+(?:"[^"]*"|\'[^\']*\')?)+>)/', $str, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
+
+ /*
+ * Build our finalized string
+ *
+ * We'll cycle through the array, skipping tags,
+ * and processing the contained text
+ *
+ */
+ $str = '';
+ $process = TRUE;
+ foreach ($chunks as $chunk)
+ {
+ /*
+ * Are we dealing with a tag?
+ *
+ * If so, we'll skip the processing for this cycle.
+ * Well also set the "process" flag which allows us
+ * to skip <pre> tags and a few other things.
+ *
+ */
+ if (preg_match("#<(/*)(".$this->block_elements.").*?\>#", $chunk, $match))
+ {
+ if (preg_match("#".$this->skip_elements."#", $match['2']))
+ {
+ $process = ($match['1'] == '/') ? TRUE : FALSE;
+ }
+
+ $str .= $chunk;
+ continue;
+ }
+
+ if ($process == FALSE)
+ {
+ $str .= $chunk;
+ continue;
+ }
+
+ // Convert Newlines into <p> and <br /> tags
+ $str .= $this->format_newlines($chunk);
+ }
+
+ // FINAL CLEAN UP
+ // IMPORTANT: DO NOT ALTER THE ORDER OF THE ITEMS BELOW!
+
+ /*
+ * Clean up paragraph tags before/after "block" elements
+ *
+ * Earlier we added <p></p> tags before/after block level elements.
+ * Then, we added paragraph tags around double line breaks. This
+ * potentially created incorrectly formatted paragraphs so we'll
+ * clean it up here.
+ *
+ */
+ $str = preg_replace("#<p>({@TAG}.*?)(".$this->block_elements.")(.*?>)#", "\\1\\2\\3", $str);
+ $str = preg_replace("#({@TAG}/.*?)(".$this->block_elements.")(.*?>)</p>#", "\\1\\2\\3", $str);
+
+ // Convert Quotes and other characters
+ $str = $this->format_characters($str);
+
+ // Fix an artifact that happens during the paragraph replacement
+ $str = preg_replace('#(<p>\n*</p>)#', '', $str);
+
+ // If the user submitted their own paragraph tags with class data
+ // in them we will retain them instead of using our tags.
+ $str = preg_replace('#(<p.*?>)<p>#', "\\1", $str);
+
+ // Final clean up
+ $str = str_replace(
+ array(
+ '</p></p>',
+ '</p><p>',
+ '<p> ',
+ ' </p>',
+ '{@TAG}',
+ '{@DQ}',
+ '{@SQ}',
+ '<p></p>'
+ ),
+ array(
+ '</p>',
+ '<p>',
+ '<p>',
+ '</p>',
+ '<',
+ '"',
+ "'",
+ ''
+ ),
+ $str
+ );
+
+ return $str;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Format Characters
+ *
+ * This function mainly converts double and single quotes
+ * to entities, but since these are directional, it does
+ * it based on some rules. It also converts em-dashes
+ * and a couple other things.
+ */
+ function format_characters($str)
+ {
+ $table = array(
+ ' "' => " “",
+ '" ' => "” ",
+ " '" => " ‘",
+ "' " => "’ ",
+
+ '>"' => ">“",
+ '"<' => "”<",
+ ">'" => ">‘",
+ "'<" => "’<",
+
+ "\"." => "”.",
+ "\"," => "”,",
+ "\";" => "”;",
+ "\":" => "”:",
+ "\"!" => "”!",
+ "\"?" => "”?",
+
+ ". " => ". ",
+ "? " => "? ",
+ "! " => "! ",
+ ": " => ": ",
+ );
+
+ // These deal with quotes within quotes, like: "'hi here'"
+ $start = 0;
+ $space = array("\n", "\t", " ");
+
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), "\"'");
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+2, 1);
+
+ if ( ! in_array($one_after, $space, TRUE) && $one_after != "<")
+ {
+ $str = str_replace( $one_before."\"'".$one_after,
+ $one_before."“‘".$one_after,
+ $str);
+ }
+ elseif ( ! in_array($one_before, $space, TRUE) && (in_array($one_after, $space, TRUE) OR $one_after == '<'))
+ {
+ $str = str_replace( $one_before."\"'".$one_after,
+ $one_before."”’".$one_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ $start = 0;
+
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), "'\"");
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+2, 1);
+
+ if ( in_array($one_before, $space, TRUE) && ! in_array($one_after, $space, TRUE) && $one_after != "<")
+ {
+ $str = str_replace( $one_before."'\"".$one_after,
+ $one_before."‘“".$one_after,
+ $str);
+ }
+ elseif ( ! in_array($one_before, $space, TRUE) && $one_before != ">")
+ {
+ $str = str_replace( $one_before."'\"".$one_after,
+ $one_before."’”".$one_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ // Are there quotes within a word, as in: ("something")
+ if (preg_match_all("/(.)\"(\S+?)\"(.)/", $str, $matches))
+ {
+ for ($i=0, $s=sizeof($matches['0']); $i < $s; ++$i)
+ {
+ if ( ! in_array($matches['1'][$i], $space, TRUE) && ! in_array($matches['3'][$i], $space, TRUE))
+ {
+ $str = str_replace( $matches['0'][$i],
+ $matches['1'][$i]."“".$matches['2'][$i]."”".$matches['3'][$i],
+ $str);
+ }
+ }
+ }
+
+ if (preg_match_all("/(.)\'(\S+?)\'(.)/", $str, $matches))
+ {
+ for ($i=0, $s=sizeof($matches['0']); $i < $s; ++$i)
+ {
+ if ( ! in_array($matches['1'][$i], $space, TRUE) && ! in_array($matches['3'][$i], $space, TRUE))
+ {
+ $str = str_replace( $matches['0'][$i],
+ $matches['1'][$i]."‘".$matches['2'][$i]."’".$matches['3'][$i],
+ $str);
+ }
+ }
+ }
+
+ // How about one apostrophe, as in Rick's
+ $start = 0;
+
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), "'");
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+1, 1);
+
+ if ( ! in_array($one_before, $space, TRUE) && ! in_array($one_after, $space, TRUE))
+ {
+ $str = str_replace( $one_before."'".$one_after,
+ $one_before."’".$one_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ // Em-dashes
+ $start = 0;
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), "--");
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+2, 1);
+ $two_before = substr($str, $start+$current-2, 1);
+ $two_after = substr($str, $start+$current+3, 1);
+
+ if (( ! in_array($one_before, $space, TRUE) && ! in_array($one_after, $space, TRUE))
+ OR
+ ( ! in_array($two_before, $space, TRUE) && ! in_array($two_after, $space, TRUE) && $one_before == ' ' && $one_after == ' ')
+ )
+ {
+ $str = str_replace( $two_before.$one_before."--".$one_after.$two_after,
+ $two_before.trim($one_before)."—".trim($one_after).$two_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ // Ellipsis
+ $str = preg_replace("#(\w)\.\.\.(\s|<br />|</p>)#", "\\1…\\2", $str);
+ $str = preg_replace("#(\s|<br />|</p>)\.\.\.(\w)#", "\\1…\\2", $str);
+
+ // Run the translation array we defined above
+ $str = str_replace(array_keys($table), array_values($table), $str);
+
+ // If there are any stray double quotes we'll catch them here
+
+ $start = 0;
+
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), '"');
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+1, 1);
+
+ if ( ! in_array($one_after, $space, TRUE))
+ {
+ $str = str_replace( $one_before.'"'.$one_after,
+ $one_before."“".$one_after,
+ $str);
+ }
+ elseif( ! in_array($one_before, $space, TRUE))
+ {
+ $str = str_replace( $one_before."'".$one_after,
+ $one_before."”".$one_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ $start = 0;
+
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), "'");
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+1, 1);
+
+ if ( ! in_array($one_after, $space, TRUE))
+ {
+ $str = str_replace( $one_before."'".$one_after,
+ $one_before."‘".$one_after,
+ $str);
+ }
+ elseif( ! in_array($one_before, $space, TRUE))
+ {
+ $str = str_replace( $one_before."'".$one_after,
+ $one_before."’".$one_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ return $str;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Format Newlines
+ *
+ * Converts newline characters into either <p> tags or <br />
+ *
+ */
+ function format_newlines($str)
+ {
+ if ($str == '')
+ {
+ return $str;
+ }
+
+ if (strpos($str, "\n") === FALSE)
+ {
+ return '<p>'.$str.'</p>';
+ }
+
+ $str = str_replace("\n\n", "</p>\n\n<p>", $str);
+ $str = preg_replace("/([^\n])(\n)([^\n])/", "\\1<br />\\2\\3", $str);
+
+ return '<p>'.$str.'</p>';
+ }
+}
+
+
?>
\ No newline at end of file |