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authorRick Ellis <rick.ellis@ellislab.com>2008-09-13 01:15:52 +0200
committerRick Ellis <rick.ellis@ellislab.com>2008-09-13 01:15:52 +0200
commit3bc791f34c4b71955b4a34d123c187958f29b7c2 (patch)
tree8efc5bb20615fbb19388902b1fbd384e0cdb7846 /system
parent7eb56d6d10e9ed500053a835480cd56a0d41b454 (diff)
typography tweaks
Diffstat (limited to 'system')
-rw-r--r--system/helpers/typography_helper.php11
-rw-r--r--system/libraries/Typography.php57
2 files changed, 20 insertions, 48 deletions
diff --git a/system/helpers/typography_helper.php b/system/helpers/typography_helper.php
index 11acea1f7..5c5fffa80 100644
--- a/system/helpers/typography_helper.php
+++ b/system/helpers/typography_helper.php
@@ -60,16 +60,11 @@ if ( ! function_exists('nl2br_except_pre'))
*/
if ( ! function_exists('auto_typography'))
{
- function auto_typography($str, $allow_event_handlers = FALSE, $reduce_empty_lines = FALSE)
+ function auto_typography($str, $strip_js_event_handlers = TRUE, $reduce_linebreaks = FALSE)
{
- $CI =& get_instance();
-
+ $CI =& get_instance();
$CI->load->library('typography');
-
- $CI->typography->allow_js_event_handlers($allow_event_handlers);
- $CI->typography->reduce_empty_lines($reduce_empty_lines);
-
- return $CI->typography->auto_typography($str);
+ return $CI->typography->auto_typography($str, $strip_js_event_handlers, $reduce_linebreaks);
}
}
diff --git a/system/libraries/Typography.php b/system/libraries/Typography.php
index dd5f928d9..27604421d 100644
--- a/system/libraries/Typography.php
+++ b/system/libraries/Typography.php
@@ -35,12 +35,6 @@ class CI_Typography {
// Tags we want the parser to completely ignore when splitting the string.
var $ignore_elements = 'a|b|i|em|strong|span|img|li';
- // Whether to allow Javascript event handlers to be sumitted inside tags
- var $allow_js_event_handlers = FALSE;
-
- // Whether to reduce more than two consecutive empty lines to a maximum of two
- var $reduce_empty_lines = FALSE;
-
/**
* Nothing to do here...
*
@@ -59,14 +53,20 @@ class CI_Typography {
* - Converts three dots into ellipsis.
* - Converts double dashes into em-dashes.
* - Converts two spaces into entities
+ *
+ * @access public
+ * @param string
+ * @param bool whether to strip javascript event handlers for security
+ * @param bool whether to reduce more then two consecutive newlines to two
+ * @return string
*/
- function auto_typography($str)
+ function auto_typography($str, $strip_js_event_handlers = TRUE, $reduce_linebreaks = FALSE)
{
if ($str == '')
{
return '';
}
-
+
// Standardize Newlines to make matching easier
if (strpos($str, "\r") !== FALSE)
{
@@ -75,13 +75,13 @@ class CI_Typography {
// Reduce line breaks. If there are more than two consecutive linebreaks
// we'll compress them down to a maximum of two since there's no benefit to more.
- if ($this->reduce_empty_lines == TRUE)
+ if ($reduce_linebreaks === TRUE)
{
$str = preg_replace("/\n\n+/", "\n\n", $str);
}
// Do we allow JavaScript event handlers? If not, we strip them from within all tags
- if ($this->allow_js_event_handlers == FALSE)
+ if ($strip_js_event_handlers === TRUE)
{
$str = preg_replace("#<([^><]+?)([^a-z_\-]on\w*|xmlns)(\s*=\s*[^><]*)([><]*)#i", "<\\1\\4", $str);
}
@@ -140,7 +140,7 @@ class CI_Typography {
}
// Convert Newlines into <p> and <br /> tags
- $str .= $this->format_newlines($chunk);
+ $str .= $this->_format_newlines($chunk);
}
// Convert quotes, elipsis, and em-dashes
@@ -168,7 +168,7 @@ class CI_Typography {
);
// Do we need to reduce empty lines?
- if ($this->reduce_empty_lines == TRUE)
+ if ($reduce_linebreaks === TRUE)
{
$table['#<p>\n*</p>#'] = '';
}
@@ -191,6 +191,10 @@ class CI_Typography {
* This function mainly converts double and single quotes
* to curly entities, but it also converts em-dashes,
* double spaces, and ampersands
+ *
+ * @access public
+ * @param string
+ * @return string
*/
function format_characters($str)
{
@@ -242,7 +246,7 @@ class CI_Typography {
* Converts newline characters into either <p> tags or <br />
*
*/
- function format_newlines($str)
+ function _format_newlines($str)
{
if ($str == '')
{
@@ -260,33 +264,6 @@ class CI_Typography {
return '<p>'.$str.'</p>';
}
- // --------------------------------------------------------------------
-
- /**
- * Allow JavaScript Event Handlers?
- *
- * For security reasons, by default we disallow JS event handlers
- *
- */
- function allow_js_event_handlers($val = FALSE)
- {
- $this->allow_js_event_handlers = ($val === FALSE) ? FALSE : TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Reduce empty lines
- *
- * Sets a flag that tells the parser to reduce any instances of more than
- * two consecutive linebreaks down to two
- *
- */
- function reduce_empty_lines($val = FALSE)
- {
- $this->reduce_empty_lines = ($val === FALSE) ? FALSE : TRUE;
- }
-
// ------------------------------------------------------------------------
/**