From c123e118de32e2b31b9bf21fdb43458bc9f4cbda Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sun, 8 Jan 2012 00:17:34 +0200 Subject: Improve core URI & UTF8 libraries --- system/core/URI.php | 197 ++++++++++++++++++++++----------------------------- system/core/Utf8.php | 32 ++++----- 2 files changed, 96 insertions(+), 133 deletions(-) (limited to 'system/core') diff --git a/system/core/URI.php b/system/core/URI.php index 3c26d307b..93105b1fd 100755 --- a/system/core/URI.php +++ b/system/core/URI.php @@ -1,13 +1,13 @@ -config =& load_class('Config', 'core'); - log_message('debug', "URI Class Initialized"); + log_message('debug', 'URI Class Initialized'); } - // -------------------------------------------------------------------- /** * Get the URI String * - * @access private - * @return string + * Called by CI_Router + * + * @return void */ - function _fetch_uri_string() + public function _fetch_uri_string() { - if (strtoupper($this->config->item('uri_protocol')) == 'AUTO') + if (strtoupper($this->config->item('uri_protocol')) === 'AUTO') { // Is the request coming from the command line? - if (php_sapi_name() == 'cli' or defined('STDIN')) + if (php_sapi_name() === 'cli' OR defined('STDIN')) { $this->_set_uri_string($this->_parse_cli_args()); return; @@ -115,14 +109,14 @@ class CI_URI { // Is there a PATH_INFO variable? // Note: some servers seem to have trouble with getenv() so we'll test it two ways $path = (isset($_SERVER['PATH_INFO'])) ? $_SERVER['PATH_INFO'] : @getenv('PATH_INFO'); - if (trim($path, '/') != '' && $path != "/".SELF) + if (trim($path, '/') != '' && $path !== '/'.SELF) { $this->_set_uri_string($path); return; } // No PATH_INFO?... What about QUERY_STRING? - $path = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING'); + $path = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING'); if (trim($path, '/') != '') { $this->_set_uri_string($path); @@ -130,7 +124,7 @@ class CI_URI { } // As a last ditch effort lets try using the $_GET array - if (is_array($_GET) && count($_GET) == 1 && trim(key($_GET), '/') != '') + if (is_array($_GET) && count($_GET) === 1 && trim(key($_GET), '/') != '') { $this->_set_uri_string(key($_GET)); return; @@ -143,12 +137,12 @@ class CI_URI { $uri = strtoupper($this->config->item('uri_protocol')); - if ($uri == 'REQUEST_URI') + if ($uri === 'REQUEST_URI') { $this->_set_uri_string($this->_detect_uri()); return; } - elseif ($uri == 'CLI') + elseif ($uri === 'CLI') { $this->_set_uri_string($this->_parse_cli_args()); return; @@ -163,17 +157,16 @@ class CI_URI { /** * Set the URI String * - * @access public * @param string - * @return string + * @return void */ - function _set_uri_string($str) + public function _set_uri_string($str) { // Filter out control characters $str = remove_invisible_characters($str, FALSE); // If the URI contains only a slash we'll kill it - $this->uri_string = ($str == '/') ? '' : $str; + $this->uri_string = ($str === '/') ? '' : $str; } // -------------------------------------------------------------------- @@ -184,7 +177,6 @@ class CI_URI { * This function will detect the URI automatically and fix the query string * if necessary. * - * @access private * @return string */ protected function _detect_uri() @@ -194,12 +186,11 @@ class CI_URI { return ''; } - $uri = $_SERVER['REQUEST_URI']; - if (strpos($uri, $_SERVER['SCRIPT_NAME']) === 0) + if (strpos($_SERVER['REQUEST_URI'], $_SERVER['SCRIPT_NAME']) === 0) { $uri = substr($uri, strlen($_SERVER['SCRIPT_NAME'])); } - elseif (strpos($uri, dirname($_SERVER['SCRIPT_NAME'])) === 0) + elseif (strpos($_SERVER['REQUEST_URI'], dirname($_SERVER['SCRIPT_NAME'])) === 0) { $uri = substr($uri, strlen(dirname($_SERVER['SCRIPT_NAME']))); } @@ -223,7 +214,7 @@ class CI_URI { $_GET = array(); } - if ($uri == '/' || empty($uri)) + if ($uri == '/' OR empty($uri)) { return '/'; } @@ -241,13 +232,11 @@ class CI_URI { * * Take each command line argument and assume it is a URI segment. * - * @access private * @return string */ protected function _parse_cli_args() { $args = array_slice($_SERVER['argv'], 1); - return $args ? '/' . implode('/', $args) : ''; } @@ -256,27 +245,28 @@ class CI_URI { /** * Filter segments for malicious characters * - * @access private + * Called by CI_Router + * * @param string * @return string */ - function _filter_uri($str) + public function _filter_uri($str) { if ($str != '' && $this->config->item('permitted_uri_chars') != '' && $this->config->item('enable_query_strings') == FALSE) { // preg_quote() in PHP 5.3 escapes -, so the str_replace() and addition of - to preg_quote() is to maintain backwards // compatibility as many are unaware of how characters in the permitted_uri_chars will be parsed as a regex pattern - if ( ! preg_match("|^[".str_replace(array('\\-', '\-'), '-', preg_quote($this->config->item('permitted_uri_chars'), '-'))."]+$|i", $str)) + if ( ! preg_match('|^['.str_replace(array('\\-', '\-'), '-', preg_quote($this->config->item('permitted_uri_chars'), '-')).']+$|i', $str)) { show_error('The URI you submitted has disallowed characters.', 400); } } - // Convert programatic characters to entities - $bad = array('$', '(', ')', '%28', '%29'); - $good = array('$', '(', ')', '(', ')'); - - return str_replace($bad, $good, $str); + // Convert programatic characters to entities and return + return str_replace( + array('$', '(', ')', '%28', '%29'), // Bad + array('$', '(', ')', '(', ')'), // Good + $str); } // -------------------------------------------------------------------- @@ -284,14 +274,15 @@ class CI_URI { /** * Remove the suffix from the URL if needed * - * @access private + * Called by CI_Router + * * @return void */ - function _remove_url_suffix() + public function _remove_url_suffix() { - if ($this->config->item('url_suffix') != "") + if ($this->config->item('url_suffix') != '') { - $this->uri_string = preg_replace("|".preg_quote($this->config->item('url_suffix'))."$|", "", $this->uri_string); + $this->uri_string = preg_replace('|'.preg_quote($this->config->item('url_suffix')).'$|', '', $this->uri_string); } } @@ -301,12 +292,13 @@ class CI_URI { * Explode the URI Segments. The individual segments will * be stored in the $this->segments array. * - * @access private + * Called by CI_Router + * * @return void */ - function _explode_segments() + public function _explode_segments() { - foreach (explode("/", preg_replace("|/*(.+?)/*$|", "\\1", $this->uri_string)) as $val) + foreach (explode('/', preg_replace('|/*(.+?)/*$|', '\\1', $this->uri_string)) as $val) { // Filter segments for security $val = trim($this->_filter_uri($val)); @@ -323,14 +315,15 @@ class CI_URI { * Re-index Segments * * This function re-indexes the $this->segment array so that it - * starts at 1 rather than 0. Doing so makes it simpler to + * starts at 1 rather than 0. Doing so makes it simpler to * use functions like $this->uri->segment(n) since there is * a 1:1 relationship between the segment array and the actual segments. * - * @access private + * Called by CI_Router + * * @return void */ - function _reindex_segments() + public function _reindex_segments() { array_unshift($this->segments, NULL); array_unshift($this->rsegments, NULL); @@ -345,12 +338,11 @@ class CI_URI { * * This function returns the URI segment based on the number provided. * - * @access public * @param integer * @param bool * @return string */ - function segment($n, $no_result = FALSE) + public function segment($n, $no_result = FALSE) { return ( ! isset($this->segments[$n])) ? $no_result : $this->segments[$n]; } @@ -364,12 +356,11 @@ class CI_URI { * based on the number provided. If there is no routing this function returns the * same result as $this->segment() * - * @access public * @param integer * @param bool * @return string */ - function rsegment($n, $no_result = FALSE) + public function rsegment($n, $no_result = FALSE) { return ( ! isset($this->rsegments[$n])) ? $no_result : $this->rsegments[$n]; } @@ -392,25 +383,22 @@ class CI_URI { * gender => male * ) * - * @access public * @param integer the starting segment number * @param array an array of default values * @return array */ - function uri_to_assoc($n = 3, $default = array()) + public function uri_to_assoc($n = 3, $default = array()) { return $this->_uri_to_assoc($n, $default, 'segment'); } /** * Identical to above only it uses the re-routed segment array * - * @access public * @param integer the starting segment number * @param array an array of default values * @return array - * */ - function ruri_to_assoc($n = 3, $default = array()) + public function ruri_to_assoc($n = 3, $default = array()) { return $this->_uri_to_assoc($n, $default, 'rsegment'); } @@ -420,25 +408,13 @@ class CI_URI { /** * Generate a key value pair from the URI string or Re-routed URI string * - * @access private * @param integer the starting segment number * @param array an array of default values * @param string which array we should use * @return array */ - function _uri_to_assoc($n = 3, $default = array(), $which = 'segment') + protected function _uri_to_assoc($n = 3, $default = array(), $which = 'segment') { - if ($which == 'segment') - { - $total_segments = 'total_segments'; - $segment_array = 'segment_array'; - } - else - { - $total_segments = 'total_rsegments'; - $segment_array = 'rsegment_array'; - } - if ( ! is_numeric($n)) { return $default; @@ -449,23 +425,30 @@ class CI_URI { return $this->keyval[$n]; } + if ($which === 'segment') + { + $total_segments = 'total_segments'; + $segment_array = 'segment_array'; + } + else + { + $total_segments = 'total_rsegments'; + $segment_array = 'rsegment_array'; + } + if ($this->$total_segments() < $n) { - if (count($default) == 0) + if (count($default) === 0) { return array(); } - $retval = array(); - foreach ($default as $val) - { - $retval[$val] = FALSE; - } - return $retval; + return function_exists('array_fill_keys') + ? array_fill_keys($default, FALSE) + : array_combine($default, array_fill(0, count($default), FALSE)); } $segments = array_slice($this->$segment_array(), ($n - 1)); - $i = 0; $lastval = ''; $retval = array(); @@ -506,16 +489,15 @@ class CI_URI { * Generate a URI string from an associative array * * - * @access public * @param array an associative array of key/values * @return array */ - function assoc_to_uri($array) + public function assoc_to_uri($array) { $temp = array(); foreach ((array)$array as $key => $val) { - $temp[] = $key; + $temp[] = $key; $temp[] = $val; } @@ -527,12 +509,11 @@ class CI_URI { /** * Fetch a URI Segment and add a trailing slash * - * @access public * @param integer * @param string * @return string */ - function slash_segment($n, $where = 'trailing') + public function slash_segment($n, $where = 'trailing') { return $this->_slash_segment($n, $where, 'segment'); } @@ -542,12 +523,11 @@ class CI_URI { /** * Fetch a URI Segment and add a trailing slash * - * @access public * @param integer * @param string * @return string */ - function slash_rsegment($n, $where = 'trailing') + public function slash_rsegment($n, $where = 'trailing') { return $this->_slash_segment($n, $where, 'rsegment'); } @@ -557,22 +537,20 @@ class CI_URI { /** * Fetch a URI Segment and add a trailing slash - helper function * - * @access private * @param integer * @param string * @param string * @return string */ - function _slash_segment($n, $where = 'trailing', $which = 'segment') + protected function _slash_segment($n, $where = 'trailing', $which = 'segment') { - $leading = '/'; - $trailing = '/'; + $leading = $trailing = '/'; - if ($where == 'trailing') + if ($where === 'trailing') { $leading = ''; } - elseif ($where == 'leading') + elseif ($where === 'leading') { $trailing = ''; } @@ -585,10 +563,9 @@ class CI_URI { /** * Segment Array * - * @access public * @return array */ - function segment_array() + public function segment_array() { return $this->segments; } @@ -598,10 +575,9 @@ class CI_URI { /** * Routed Segment Array * - * @access public * @return array */ - function rsegment_array() + public function rsegment_array() { return $this->rsegments; } @@ -611,10 +587,9 @@ class CI_URI { /** * Total number of segments * - * @access public * @return integer */ - function total_segments() + public function total_segments() { return count($this->segments); } @@ -624,10 +599,9 @@ class CI_URI { /** * Total number of routed segments * - * @access public * @return integer */ - function total_rsegments() + public function total_rsegments() { return count($this->rsegments); } @@ -637,10 +611,9 @@ class CI_URI { /** * Fetch the entire URI string * - * @access public * @return string */ - function uri_string() + public function uri_string() { return $this->uri_string; } @@ -651,16 +624,14 @@ class CI_URI { /** * Fetch the entire Re-routed URI string * - * @access public * @return string */ - function ruri_string() + public function ruri_string() { return '/'.implode('/', $this->rsegment_array()); } } -// END URI Class /* End of file URI.php */ -/* Location: ./system/core/URI.php */ \ No newline at end of file +/* Location: ./system/core/URI.php */ diff --git a/system/core/Utf8.php b/system/core/Utf8.php index 40a7ac4c0..0e180d36f 100644 --- a/system/core/Utf8.php +++ b/system/core/Utf8.php @@ -1,13 +1,13 @@ -item('charset') == 'UTF-8' // Application charset must be UTF-8 + && @ini_get('mbstring.func_overload') != 1 // Multibyte string function overloading cannot be enabled + && $CFG->item('charset') === 'UTF-8' // Application charset must be UTF-8 ) { - log_message('debug', "UTF-8 Support Enabled"); - define('UTF8_ENABLED', TRUE); + log_message('debug', 'UTF-8 Support Enabled'); // set internal encoding for multibyte string functions if necessary // and set a flag so we don't have to repeatedly use extension_loaded() @@ -77,8 +76,8 @@ class CI_Utf8 { } else { - log_message('debug', "UTF-8 Support Disabled"); define('UTF8_ENABLED', FALSE); + log_message('debug', 'UTF-8 Support Disabled'); } } @@ -134,18 +133,14 @@ class CI_Utf8 { { if (function_exists('iconv')) { - $str = @iconv($encoding, 'UTF-8', $str); + return @iconv($encoding, 'UTF-8', $str); } elseif (function_exists('mb_convert_encoding')) { - $str = @mb_convert_encoding($str, 'UTF-8', $encoding); - } - else - { - return FALSE; + return @mb_convert_encoding($str, 'UTF-8', $encoding); } - return $str; + return FALSE; } // -------------------------------------------------------------------- @@ -163,10 +158,7 @@ class CI_Utf8 { return (preg_match('/[^\x00-\x7F]/S', $str) === 0); } - // -------------------------------------------------------------------- - } -// End Utf8 Class /* End of file Utf8.php */ -/* Location: ./system/core/Utf8.php */ \ No newline at end of file +/* Location: ./system/core/Utf8.php */ -- cgit v1.2.3-24-g4f1b From a798fdb9a08a6f549bcc2a4ea6c6bad45cfef0a2 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sun, 8 Jan 2012 00:20:49 +0200 Subject: Remove a space :) --- system/core/URI.php | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'system/core') diff --git a/system/core/URI.php b/system/core/URI.php index 93105b1fd..eaf7b752b 100755 --- a/system/core/URI.php +++ b/system/core/URI.php @@ -497,7 +497,7 @@ class CI_URI { $temp = array(); foreach ((array)$array as $key => $val) { - $temp[] = $key; + $temp[] = $key; $temp[] = $val; } -- cgit v1.2.3-24-g4f1b