Cleanup of stray spaces and tabs
diff --git a/system/libraries/Typography.php b/system/libraries/Typography.php
index f058769..d8b295e 100644
--- a/system/libraries/Typography.php
+++ b/system/libraries/Typography.php
@@ -28,22 +28,22 @@
// Block level elements that should not be wrapped inside <p> tags
var $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.
var $skip_elements = 'p|pre|ol|ul|dl|object|table|h\d';
-
+
// 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 $protect_braced_quotes = FALSE;
-
+
/**
* Nothing to do here...
*
@@ -56,11 +56,11 @@
* Auto Typography
*
* This function converts text, making it typographically correct:
- * - Converts double spaces into paragraphs.
- * - Converts single line breaks into <br /> tags
- * - Converts single and double quotes into correctly facing curly quote entities.
- * - Converts three dots into ellipsis.
- * - Converts double dashes into em-dashes.
+ * - Converts double spaces into paragraphs.
+ * - Converts single line breaks into <br /> tags
+ * - Converts single and double quotes into correctly facing curly quote entities.
+ * - Converts three dots into ellipsis.
+ * - Converts double dashes into em-dashes.
* - Converts two spaces into entities
*
* @access public
@@ -78,15 +78,15 @@
// Standardize Newlines to make matching easier
if (strpos($str, "\r") !== FALSE)
{
- $str = str_replace(array("\r\n", "\r"), "\n", $str);
+ $str = str_replace(array("\r\n", "\r"), "\n", $str);
}
-
+
// Reduce line breaks. If there are more than two consecutive linebreaks
// we'll compress them down to a maximum of two since there's no benefit to more.
if ($reduce_linebreaks === TRUE)
{
$str = preg_replace("/\n\n+/", "\n\n", $str);
- }
+ }
// HTML comment tags don't conform to patterns of normal tags, so pull them out separately, only if needed
$html_comments = array();
@@ -101,50 +101,50 @@
}
}
}
-
+
// match and yank <pre> tags if they exist. It's cheaper to do this separately since most content will
// not contain <pre> tags, and it keeps the PCRE patterns below simpler and faster
if (strpos($str, '<pre') !== FALSE)
{
$str = preg_replace_callback("#<pre.*?>.*?</pre>#si", array($this, '_protect_characters'), $str);
}
-
+
// Convert quotes within tags to temporary markers.
$str = preg_replace_callback("#<.+?>#si", array($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
+
+ // 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);
// Split the string at every tag. This expression creates an array with this prototype:
- //
- // [array]
- // {
- // [0] = <opening tag>
- // [1] = Content...
- // [2] = <closing tag>
- // Etc...
- // }
+ //
+ // [array]
+ // {
+ // [0] = <opening tag>
+ // [1] = Content...
+ // [2] = <closing tag>
+ // Etc...
+ // }
$chunks = preg_split('/(<(?:[^<>]+(?:"[^"]*"|\'[^\']*\')?)+>)/', $str, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
-
- // Build our finalized string. We cycle through the array, skipping tags, and processing the contained text
+
+ // Build our finalized string. We cycle through the array, skipping tags, and processing the contained text
$str = '';
$process = TRUE;
$paragraph = FALSE;
$current_chunk = 0;
$total_chunks = count($chunks);
-
+
foreach ($chunks as $chunk)
- {
+ {
$current_chunk++;
-
+
// Are we dealing with a tag? If so, we'll skip the processing for this cycle.
// Well also set the "process" flag which allows us to skip <pre> tags and a few other things.
if (preg_match("#<(/*)(".$this->block_elements.").*?>#", $chunk, $match))
@@ -153,7 +153,7 @@
{
$process = ($match[1] == '/') ? TRUE : FALSE;
}
-
+
if ($match[1] == '')
{
$this->last_block_element = $match[2];
@@ -162,32 +162,32 @@
$str .= $chunk;
continue;
}
-
+
if ($process == FALSE)
{
$str .= $chunk;
continue;
}
-
+
// Force a newline to make sure end tags get processed by _format_newlines()
if ($current_chunk == $total_chunks)
{
- $chunk .= "\n";
+ $chunk .= "\n";
}
-
+
// Convert Newlines into <p> and <br /> tags
$str .= $this->_format_newlines($chunk);
}
-
+
// 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);
}
-
+
// Convert quotes, elipsis, em-dashes, non-breaking spaces, and ampersands
$str = $this->format_characters($str);
-
+
// restore HTML comments
for ($i = 0, $total = count($html_comments); $i < $total; $i++)
{
@@ -196,18 +196,18 @@
// if '<p>{@HC1}' then replace <p>{@HC1}</p> with the comment, else replace only {@HC1} with the comment
$str = preg_replace('#(?(?=<p>\{@HC'.$i.'\})<p>\{@HC'.$i.'\}(\s*</p>)|\{@HC'.$i.'\})#s', $html_comments[$i], $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>/' => '$1', // <?php BBEdit syntax coloring bug fix
-
+
// Reduce multiple instances of opening/closing paragraph tags to a single one
'#(</p>)+#' => '</p>',
'/(<p>\W*<p>)+/' => '<p>',
-
+
// Clean up stray paragraph tags that appear before block level elements
'#<p></p><('.$this->block_elements.')#' => '<$1',
@@ -223,15 +223,15 @@
// An unintended consequence of the _format_newlines function is that
// some of the newlines get truncated, resulting in <p> tags
- // starting immediately after <block> tags on the same line.
+ // starting immediately after <block> tags on the same line.
// This forces a newline after such occurrences, which looks much nicer.
"/><p>\n/" => ">\n<p>",
-
+
// Similarly, there might be cases where a closing </block> will follow
// a closing </p> tag, so we'll correct it by adding a newline in between
"#</p></#" => "</p>\n</"
);
-
+
// Do we need to reduce empty lines?
if ($reduce_linebreaks === TRUE)
{
@@ -243,13 +243,13 @@
// otherwise most browsers won't treat them as true paragraphs
$table['#<p></p>#'] = '<p> </p>';
}
-
+
return preg_replace(array_keys($table), $table, $str);
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Format Characters
*
@@ -264,10 +264,10 @@
function format_characters($str)
{
static $table;
-
+
if ( ! isset($table))
{
- $table = array(
+ $table = array(
// nested smart quotes, opening and closing
// note that rules for grammar (English) allow only for two levels deep
// and that single quotes are _supposed_ to always be on the outside
@@ -313,7 +313,7 @@
return preg_replace(array_keys($table), $table, $str);
}
-
+
// --------------------------------------------------------------------
/**
@@ -324,25 +324,25 @@
* @access public
* @param string
* @return string
- */
+ */
function _format_newlines($str)
{
if ($str == '')
{
return $str;
}
-
+
if (strpos($str, "\n") === FALSE && ! in_array($this->last_block_element, $this->inner_block_required))
{
return $str;
}
-
+
// Convert two consecutive newlines to paragraphs
$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", $str);
-
+
// Wrap the whole enchilada in enclosing paragraphs
if ($str != "\n")
{
@@ -355,19 +355,19 @@
// 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 $str;
}
-
+
// ------------------------------------------------------------------------
-
+
/**
* Protect Characters
*
* Protects special characters from being formatted later
* We don't want quotes converted within tags so we'll temporarily convert them to {@DQ} and {@SQ}
- * and we don't want double dashes converted to emdash entities, so they are marked with {@DD}
- * likewise double spaces are converted to {@NBS} to prevent entity conversion
+ * and we don't want double dashes converted to emdash entities, so they are marked with {@DD}
+ * likewise double spaces are converted to {@NBS} to prevent entity conversion
*
* @access public
* @param array
@@ -379,19 +379,19 @@
}
// --------------------------------------------------------------------
-
+
/**
* Convert newlines to HTML line breaks except within PRE tags
*
* @access public
* @param string
* @return string
- */
+ */
function nl2br_except_pre($str)
{
$ex = explode("pre>",$str);
$ct = count($ex);
-
+
$newstr = "";
for ($i = 0; $i < $ct; $i++)
{
@@ -403,14 +403,14 @@
{
$newstr .= $ex[$i];
}
-
+
if ($ct - 1 != $i)
$newstr .= "pre>";
}
-
+
return $newstr;
}
-
+
}
// END Typography Class