Source code viewer - <?php echo $path; ?>

Style for the overall code block:
Default Styles
Keywords I (if, do, while etc)
Keywords II (null, true, false etc)
Inbuilt Functions (echo, print etc)
Data Types (int, boolean etc)
Comments (//, etc)
Escaped Characters (\n, \t etc)
Brackets ( ([{}]) etc)
Strings ("foo" etc)
Numbers (1, -54, 2.5 etc)
Methods (Foo.bar() etc)
tag arount the list (valid!) but needs to replace whitespaces with + // thus producing much larger overhead. You can set the tab width though. + $geshi->set_header_type(GESHI_HEADER_PRE_VALID); + + // Enable CSS classes. You can use get_stylesheet() to output a stylesheet for your code. Using + // CSS classes results in much less output source. + $geshi->enable_classes(); + + // Enable line numbers. We want fancy line numbers, and we want every 5th line number to be fancy + $geshi->enable_line_numbers(GESHI_FANCY_LINE_NUMBERS, 5); + + // Set the style for the PRE around the code. The line numbers are contained within this box (not + // XHTML compliant btw, but if you are liberally minded about these things then you'll appreciate + // the reduced source output). + $geshi->set_overall_style('font: normal normal 90% monospace; color: #000066; border: 1px solid #d0d0d0; background-color: #f0f0f0;', false); + + // Set the style for line numbers. In order to get style for line numbers working, the
element + // is being styled. This means that the code on the line will also be styled, and most of the time + // you don't want this. So the set_code_style reverts styles for the line (by using a
on the line). + // So the source output looks like this: + // + //

+    // 
+
+
+    GeSHi examples
+    
+
+
+GeSHi Example Script
+To use this script, make sure that geshi.php is in the parent directory or in your
+include_path, and that the language files are in a subdirectory of GeSHi's directory called geshi/.
+Enter your source and a language to highlight the source in and submit, or just choose a language to
+have that language file highlighted in PHP.
+parse_code();
+    echo '';
+}
+?>
+
+Source to highlight
+
+<?php echo $fill_source ? htmlspecialchars($_POST['source']) : '' ?>
+
+Choose a language
+
+
+
+
+
+
+
+
+GeSHi © Nigel McNie, 2004, released under the GNU GPL

+For a better demonstration, check out the online demo
+
+
+
diff --git a/application/libraries/contrib/langcheck.php b/application/libraries/contrib/langcheck.php
new file mode 100644
index 000000000..a4ee4f65f
--- /dev/null
+++ b/application/libraries/contrib/langcheck.php
@@ -0,0 +1,766 @@
+';
+          $colors = array(
+              TYPE_NOTICE => '',
+              TYPE_WARNING => '',
+              TYPE_ERROR => '',
+              TYPE_OK => ''
+          );
+      } else {
+          $end = chr(27).'[0m';
+          $colors = array(
+              TYPE_NOTICE => chr(27).'[1m',
+              TYPE_WARNING => chr(27).'[1;33m',
+              TYPE_ERROR => chr(27).'[1;31m',
+              TYPE_OK => chr(27).'[1;32m'
+          );
+      }
+    }
+
+    if ( !isset($colors[$level]) ) {
+        trigger_error("no colors for level $level", E_USER_ERROR);
+    }
+
+    return $colors[$level].$string.$end;
+}
+
+define ('TYPE_NOTICE', 0);
+define ('TYPE_WARNING', 1);
+define ('TYPE_ERROR', 2);
+define ('TYPE_OK', 3);
+
+$error_abort = false;
+$error_cache = array();
+function output_error_cache(){
+    global $error_cache, $error_abort;
+
+    if(count($error_cache)) {
+        echo colorize(TYPE_ERROR, "Failed");
+        if ( PHP_SAPI == 'cli' ) {
+            echo "\n\n";
+        } else {
+            echo "
\n";
+        }
+        foreach($error_cache as $error_msg) {
+            if ( PHP_SAPI == 'cli' ) {
+              echo "\n";
+            } else {
+              echo "";
+            }
+            switch($error_msg['t']) {
+                case TYPE_NOTICE:
+                    $msg = 'NOTICE';
+                    break;
+                case TYPE_WARNING:
+                    $msg = 'WARNING';
+                    break;
+                case TYPE_ERROR:
+                    $msg = 'ERROR';
+                    break;
+            }
+            echo colorize($error_msg['t'], $msg);
+            if ( PHP_SAPI == 'cli' ) {
+                echo "\t" . $error_msg['m'];
+            } else {
+                echo " " . $error_msg['m'] . "";
+            }
+        }
+        if ( PHP_SAPI == 'cli' ) {
+            echo "\n";
+        } else {
+            echo "\n";
+        }
+    } else {
+        echo colorize(TYPE_OK, "OK");
+        if ( PHP_SAPI == 'cli' ) {
+            echo "\n";
+        } else {
+            echo "\n
";
+        }
+    }
+    echo "\n";
+
+    $error_cache = array();
+}
+
+function report_error($type, $message) {
+    global $error_cache, $error_abort;
+
+    $error_cache[] = array('t' => $type, 'm' => $message);
+    if(TYPE_ERROR == $type) {
+        $error_abort = true;
+    }
+}
+
+function dupfind_strtolower(&$value){
+    $value = strtolower($value);
+}
+
+if ( PHP_SAPI != 'cli' ) { ?>
+
+
+
+    GeSHi Language File Validation Script
+    
+
+
+GeSHi Language File Validation Script
+To use this script, make sure that geshi.php is in the
+parent directory or in your include_path, and that the language files are in a
+subdirectory of GeSHi's directory called geshi/.
+Everything else will be done by this script automatically. After the script
+finished you should see messages of what could cause trouble with GeSHi or where
+your language files can be improved. Please be patient, as this might take some time.
+
+
+Checking where to find GeSHi installation ...
+
+
+
+To use this script, make sure that  is in the
+parent directory or in your include_path, and that the language files are in a
+subdirectory of GeSHi's directory called .
+
+Everything else will be done by this script automatically. After the script
+finished you should see messages of what could cause trouble with GeSHi or where
+your language files can be improved. Please be patient, as this might take some time.
+
+
+Checking where to find GeSHi installation ...\n
Listing available language files ... ";
+    }
+
+    if (!($dir = @opendir(GESHI_LANG_ROOT))) {
+        report_error(TYPE_ERROR, 'Error requesting listing for available language files!');
+    }
+
+    $languages = array();
+
+    if(!$error_abort) {
+        while ($file = readdir($dir)) {
+            if (!$file || $file[0] == '.' || strpos($file, '.') === false) {
+                continue;
+            }
+            $lang = substr($file, 0,  strpos($file, '.'));
+            $languages[] = $lang;
+        }
+        closedir($dir);
+    }
+
+    $languages = array_unique($languages);
+    sort($languages);
+
+    if(!count($languages)) {
+        report_error(TYPE_WARNING, 'Unable to locate any usable language files in "'.GESHI_LANG_ROOT.'"!');
+    }
+
+    output_error_cache();
+}
+
+if ( PHP_SAPI == 'cli' ) {
+    if (isset($_SERVER['argv'][1]) && in_array($_SERVER['argv'][1], $languages)) {
+        $languages = array($_SERVER['argv'][1]);
+    }
+} else {
+    if (isset($_REQUEST['show']) && in_array($_REQUEST['show'], $languages)) {
+        $languages = array($_REQUEST['show']);
+    }
+}
+
+if(!$error_abort) {
+    foreach ($languages as $lang) {
+
+        if ( PHP_SAPI == 'cli' ) {
+            echo "Validating language file for '$lang' ...\t\t";
+        } else {
+            echo "
\nValidating language file for '$lang' ... ";
+        }
+
+        $langfile = GESHI_LANG_ROOT . $lang . '.php';
+
+        $language_data = array();
+
+        if(!is_file($langfile)) {
+            report_error(TYPE_ERROR, 'The path "' .$langfile. '" does not ressemble a regular file!');
+        } else if(!is_readable($langfile)) {
+            report_error(TYPE_ERROR, 'Cannot read file "' .$langfile. '"!');
+        } else {
+            $langfile_content = file_get_contents($langfile);
+            if(preg_match("/\?>(?:\r?\n|\r(?!\n)){2,}\Z/", $langfile_content)) {
+                report_error(TYPE_ERROR, 'Language file contains trailing empty lines at EOF!');
+            }
+            if(!preg_match("/\?>(?:\r?\n|\r(?!\n))?\Z/", $langfile_content)) {
+                report_error(TYPE_ERROR, 'Language file contains no PHP end marker at EOF!');
+            }
+            if(preg_match("/\t/", $langfile_content)) {
+                report_error(TYPE_NOTICE, 'Language file contains unescaped tabulator chars (probably for indentation)!');
+            }
+            if(preg_match('/^(?:    )*(?!    )(?! \*) /m', $langfile_content)) {
+                report_error(TYPE_NOTICE, 'Language file contains irregular indentation (other than 4 spaces per indentation level)!');
+            }
+
+            if(!preg_match("/\/\*\*((?!\*\/).)*?Author:((?!\*\/).)*?\*\//s", $langfile_content)) {
+                report_error(TYPE_WARNING, 'Language file does not contain a specification of an author!');
+            }
+            if(!preg_match("/\/\*\*((?!\*\/).)*?Copyright:((?!\*\/).)*?\*\//s", $langfile_content)) {
+                report_error(TYPE_WARNING, 'Language file does not contain a specification of the copyright!');
+            }
+            if(!preg_match("/\/\*\*((?!\*\/).)*?Release Version:((?!\*\/).)*?\*\//s", $langfile_content)) {
+                report_error(TYPE_WARNING, 'Language file does not contain a specification of the release version!');
+            }
+            if(!preg_match("/\/\*\*((?!\*\/).)*?Date Started:((?!\*\/).)*?\*\//s", $langfile_content)) {
+                report_error(TYPE_WARNING, 'Language file does not contain a specification of the date it was started!');
+            }
+            if(!preg_match("/\/\*\*((?!\*\/).)*?This file is part of GeSHi\.((?!\*\/).)*?\*\//s", $langfile_content)) {
+                report_error(TYPE_WARNING, 'Language file does not state that it belongs to GeSHi!');
+            }
+            if(!preg_match("/\/\*\*((?!\*\/).)*?language file for GeSHi\.((?!\*\/).)*?\*\//s", $langfile_content)) {
+                report_error(TYPE_WARNING, 'Language file does not state that it is a language file for GeSHi!');
+            }
+            if(!preg_match("/\/\*\*((?!\*\/).)*?GNU General Public License((?!\*\/).)*?\*\//s", $langfile_content)) {
+                report_error(TYPE_WARNING, 'Language file does not state that it is provided under the terms of the GNU GPL!');
+            }
+
+            unset($langfile_content);
+
+            include $langfile;
+
+            if(!isset($language_data)) {
+                report_error(TYPE_ERROR, 'Language file does not contain a $language_data structure to check!');
+            } else if (!is_array($language_data)) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data structure which is not an array!');
+            }
+        }
+
+        if(!$error_abort) {
+            if(!isset($language_data['LANG_NAME'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'LANG_NAME\'] specification!');
+            } else if (!is_string($language_data['LANG_NAME'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'LANG_NAME\'] specification which is not a string!');
+            }
+
+            if(!isset($language_data['COMMENT_SINGLE'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'COMMENT_SIGNLE\'] structure to check!');
+            } else if (!is_array($language_data['COMMENT_SINGLE'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'COMMENT_SINGLE\'] structure which is not an array!');
+            }
+
+            if(!isset($language_data['COMMENT_MULTI'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'COMMENT_MULTI\'] structure to check!');
+            } else if (!is_array($language_data['COMMENT_MULTI'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'COMMENT_MULTI\'] structure which is not an array!');
+            }
+
+            if(isset($language_data['COMMENT_REGEXP'])) {
+                if (!is_array($language_data['COMMENT_REGEXP'])) {
+                    report_error(TYPE_ERROR, 'Language file contains a $language_data[\'COMMENT_REGEXP\'] structure which is not an array!');
+                }
+            }
+
+            if(!isset($language_data['QUOTEMARKS'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'QUOTEMARKS\'] structure to check!');
+            } else if (!is_array($language_data['QUOTEMARKS'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'QUOTEMARKS\'] structure which is not an array!');
+            }
+
+            if(isset($language_data['HARDQUOTE'])) {
+                if (!is_array($language_data['HARDQUOTE'])) {
+                    report_error(TYPE_ERROR, 'Language file contains a $language_data[\'HARDQUOTE\'] structure which is not an array!');
+                }
+            }
+
+            if(!isset($language_data['ESCAPE_CHAR'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'ESCAPE_CHAR\'] specification to check!');
+            } else if (!is_string($language_data['ESCAPE_CHAR'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'ESCAPE_CHAR\'] specification which is not a string!');
+            } else if (1 < strlen($language_data['ESCAPE_CHAR'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'ESCAPE_CHAR\'] specification is not empty or exactly one char!');
+            }
+
+            if(!isset($language_data['CASE_KEYWORDS'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'CASE_KEYWORDS\'] specification!');
+            } else if (!is_int($language_data['CASE_KEYWORDS'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'CASE_KEYWORDS\'] specification which is not an integer!');
+            } else if (GESHI_CAPS_NO_CHANGE != $language_data['CASE_KEYWORDS'] &&
+                GESHI_CAPS_LOWER != $language_data['CASE_KEYWORDS'] &&
+                GESHI_CAPS_UPPER != $language_data['CASE_KEYWORDS']) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'CASE_KEYWORDS\'] specification which is neither of GESHI_CAPS_NO_CHANGE, GESHI_CAPS_LOWER nor GESHI_CAPS_UPPER!');
+            }
+
+            if(!isset($language_data['KEYWORDS'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'KEYWORDS\'] structure to check!');
+            } else if (!is_array($language_data['KEYWORDS'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'KEYWORDS\'] structure which is not an array!');
+            } else {
+                foreach($language_data['KEYWORDS'] as $kw_key => $kw_value) {
+                    if(!is_integer($kw_key)) {
+                        report_error(TYPE_WARNING, "Language file contains an key '$kw_key' in \$language_data['KEYWORDS'] that is not integer!");
+                    } else if (!is_array($kw_value)) {
+                        report_error(TYPE_ERROR, "Language file contains a \$language_data['CASE_SENSITIVE']['$kw_value'] structure which is not an array!");
+                    }
+                }
+            }
+
+            if(!isset($language_data['SYMBOLS'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'SYMBOLS\'] structure to check!');
+            } else if (!is_array($language_data['SYMBOLS'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'SYMBOLS\'] structure which is not an array!');
+            }
+
+            if(!isset($language_data['CASE_SENSITIVE'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'CASE_SENSITIVE\'] structure to check!');
+            } else if (!is_array($language_data['CASE_SENSITIVE'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'CASE_SENSITIVE\'] structure which is not an array!');
+            } else {
+                foreach($language_data['CASE_SENSITIVE'] as $cs_key => $cs_value) {
+                    if(!is_integer($cs_key)) {
+                        report_error(TYPE_WARNING, "Language file contains an key '$cs_key' in \$language_data['CASE_SENSITIVE'] that is not integer!");
+                    } else if (!is_bool($cs_value)) {
+                        report_error(TYPE_ERROR, "Language file contains a Case Sensitivity specification for \$language_data['CASE_SENSITIVE']['$cs_value'] which is not a boolean!");
+                    }
+                }
+            }
+
+            if(!isset($language_data['URLS'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'URLS\'] structure to check!');
+            } else if (!is_array($language_data['URLS'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'URLS\'] structure which is not an array!');
+            } else {
+                foreach($language_data['URLS'] as $url_key => $url_value) {
+                    if(!is_integer($url_key)) {
+                        report_error(TYPE_WARNING, "Language file contains an key '$url_key' in \$language_data['URLS'] that is not integer!");
+                    } else if (!is_string($url_value)) {
+                        report_error(TYPE_ERROR, "Language file contains a Documentation URL specification for \$language_data['URLS']['$url_value'] which is not a string!");
+                    } else if (preg_match('#&([^;]*(=|$))#U', $url_value)) {
+                        report_error(TYPE_ERROR, "Language file contains unescaped ampersands (&) in \$language_data['URLS']!");
+                    }
+                }
+            }
+
+            if(!isset($language_data['OOLANG'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'OOLANG\'] specification!');
+            } else if (!is_int($language_data['OOLANG']) && !is_bool($language_data['OOLANG'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'OOLANG\'] specification which is neither boolean nor integer!');
+            } else if (false !== $language_data['OOLANG'] &&
+                true !== $language_data['OOLANG'] &&
+                2 !== $language_data['OOLANG']) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'OOLANG\'] specification which is neither of false, true or 2!');
+            }
+
+            if(!isset($language_data['OBJECT_SPLITTERS'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'OBJECT_SPLITTERS\'] structure to check!');
+            } else if (!is_array($language_data['OBJECT_SPLITTERS'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'OBJECT_SPLITTERS\'] structure which is not an array!');
+            }
+
+            if(!isset($language_data['REGEXPS'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'REGEXPS\'] structure to check!');
+            } else if (!is_array($language_data['REGEXPS'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'REGEXPS\'] structure which is not an array!');
+            }
+
+            if(!isset($language_data['STRICT_MODE_APPLIES'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'STRICT_MODE_APPLIES\'] specification!');
+            } else if (!is_int($language_data['STRICT_MODE_APPLIES'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'STRICT_MODE_APPLIES\'] specification which is not an integer!');
+            } else if (GESHI_MAYBE != $language_data['STRICT_MODE_APPLIES'] &&
+                GESHI_ALWAYS != $language_data['STRICT_MODE_APPLIES'] &&
+                GESHI_NEVER != $language_data['STRICT_MODE_APPLIES']) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'STRICT_MODE_APPLIES\'] specification which is neither of GESHI_MAYBE, GESHI_ALWAYS nor GESHI_NEVER!');
+            }
+
+            if(!isset($language_data['SCRIPT_DELIMITERS'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'SCRIPT_DELIMITERS\'] structure to check!');
+            } else if (!is_array($language_data['SCRIPT_DELIMITERS'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'SCRIPT_DELIMITERS\'] structure which is not an array!');
+            }
+
+            if(!isset($language_data['HIGHLIGHT_STRICT_BLOCK'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'HIGHLIGHT_STRICT_BLOCK\'] structure to check!');
+            } else if (!is_array($language_data['HIGHLIGHT_STRICT_BLOCK'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'HIGHLIGHT_STRICT_BLOCK\'] structure which is not an array!');
+            }
+
+            if(isset($language_data['TAB_WIDTH'])) {
+                if (!is_int($language_data['TAB_WIDTH'])) {
+                    report_error(TYPE_ERROR, 'Language file contains a $language_data[\'TAB_WIDTH\'] specification which is not an integer!');
+                } else if (1 > $language_data['TAB_WIDTH']) {
+                    report_error(TYPE_ERROR, 'Language file contains a $language_data[\'TAB_WIDTH\'] specification which is less than 1!');
+                }
+            }
+
+            if(isset($language_data['PARSER_CONTROL'])) {
+                if (!is_array($language_data['PARSER_CONTROL'])) {
+                    report_error(TYPE_ERROR, 'Language file contains a $language_data[\'PARSER_CONTROL\'] structure which is not an array!');
+                }
+            }
+
+            if(!isset($language_data['STYLES'])) {
+                report_error(TYPE_ERROR, 'Language file contains no $language_data[\'STYLES\'] structure to check!');
+            } else if (!is_array($language_data['STYLES'])) {
+                report_error(TYPE_ERROR, 'Language file contains a $language_data[\'STYLES\'] structure which is not an array!');
+            } else {
+                $style_arrays = array('KEYWORDS', 'COMMENTS', 'ESCAPE_CHAR',
+                    'BRACKETS', 'STRINGS', 'NUMBERS', 'METHODS', 'SYMBOLS',
+                    'REGEXPS', 'SCRIPT');
+                foreach($style_arrays as $style_kind) {
+                    if(!isset($language_data['STYLES'][$style_kind])) {
+                        report_error(TYPE_ERROR, "Language file contains no \$language_data['STYLES']['$style_kind'] structure to check!");
+                    } else if (!is_array($language_data['STYLES'][$style_kind])) {
+                        report_error(TYPE_ERROR, "Language file contains a \$language_data['STYLES\']['$style_kind'] structure which is not an array!");
+                    } else {
+                        foreach($language_data['STYLES'][$style_kind] as $sk_key => $sk_value) {
+                            if(!is_int($sk_key) && ('COMMENTS' != $style_kind && 'MULTI' != $sk_key)
+                                && !(('STRINGS' == $style_kind || 'ESCAPE_CHAR' == $style_kind) && 'HARD' == $sk_key)) {
+                                report_error(TYPE_WARNING, "Language file contains an key '$sk_key' in \$language_data['STYLES']['$style_kind'] that is not integer!");
+                            } else if (!is_string($sk_value)) {
+                                report_error(TYPE_WARNING, "Language file contains a CSS specification for \$language_data['STYLES']['$style_kind'][$key] which is not a string!");
+                            }
+                        }
+                    }
+                }
+
+                unset($style_arrays);
+            }
+        }
+
+        if(!$error_abort) {
+            //Initial sanity checks survived? --> Let's dig deeper!
+            foreach($language_data['KEYWORDS'] as $key => $keywords) {
+                if(!isset($language_data['CASE_SENSITIVE'][$key])) {
+                    report_error(TYPE_ERROR, "Language file contains no \$language_data['CASE_SENSITIVE'] specification for keyword group $key!");
+                }
+                if(!isset($language_data['URLS'][$key])) {
+                    report_error(TYPE_ERROR, "Language file contains no \$language_data['URLS'] specification for keyword group $key!");
+                }
+                if(empty($keywords)) {
+                    report_error(TYPE_WARNING, "Language file contains an empty keyword list in \$language_data['KEYWORDS'] for group $key!");
+                }
+                foreach($keywords as $id => $kw) {
+                    if(!is_string($kw)) {
+                        report_error(TYPE_WARNING, "Language file contains an non-string entry at \$language_data['KEYWORDS'][$key][$id]!");
+                    } else if (!strlen($kw)) {
+                        report_error(TYPE_ERROR, "Language file contains an empty string entry at \$language_data['KEYWORDS'][$key][$id]!");
+                    } else if (preg_match('/^([\(\)\{\}\[\]\^=.,:;\-+\*\/%\$\"\'\?]|&[\w#]\w*;)+$/i', $kw)) {
+                        report_error(TYPE_NOTICE, "Language file contains an keyword ('$kw') at \$language_data['KEYWORDS'][$key][$id] which seems to be better suited for the symbols section!");
+                    }
+                }
+                if(isset($language_data['CASE_SENSITIVE'][$key]) && !$language_data['CASE_SENSITIVE'][$key]) {
+                    array_walk($keywords, 'dupfind_strtolower');
+                }
+                if(count($keywords) != count(array_unique($keywords))) {
+                    $kw_diffs = array_count_values($keywords);
+                    foreach($kw_diffs as $kw => $kw_count) {
+                        if($kw_count > 1) {
+                            report_error(TYPE_WARNING, "Language file contains per-group duplicate keyword '$kw' in \$language_data['KEYWORDS'][$key]!");
+                        }
+                    }
+                }
+            }
+
+            $disallowed_before = "(?|^&";
+            $disallowed_after = "(?![a-zA-Z0-9_\|%\\-&;";
+
+            foreach($language_data['KEYWORDS'] as $key => $keywords) {
+                foreach($language_data['KEYWORDS'] as $key2 => $keywords2) {
+                    if($key2 <= $key) {
+                        continue;
+                    }
+                    $kw_diffs = array_intersect($keywords, $keywords2);
+                    foreach($kw_diffs as $kw) {
+                        if(isset($language_data['PARSER_CONTROL']['KEYWORDS'])) {
+                            //Check the precondition\post-cindition for the involved keyword groups
+                            $g1_pre = $disallowed_before;
+                            $g2_pre = $disallowed_before;
+                            $g1_post = $disallowed_after;
+                            $g2_post = $disallowed_after;
+                            if(isset($language_data['PARSER_CONTROL']['KEYWORDS']['DISALLOWED_BEFORE'])) {
+                                $g1_pre = $language_data['PARSER_CONTROL']['KEYWORDS']['DISALLOWED_BEFORE'];
+                                $g2_pre = $language_data['PARSER_CONTROL']['KEYWORDS']['DISALLOWED_BEFORE'];
+                            }
+                            if(isset($language_data['PARSER_CONTROL']['KEYWORDS']['DISALLOWED_AFTER'])) {
+                                $g1_post = $language_data['PARSER_CONTROL']['KEYWORDS']['DISALLOWED_AFTER'];
+                                $g2_post = $language_data['PARSER_CONTROL']['KEYWORDS']['DISALLOWED_AFTER'];
+                            }
+
+                            if(isset($language_data['PARSER_CONTROL']['KEYWORDS'][$key]['DISALLOWED_BEFORE'])) {
+                                $g1_pre = $language_data['PARSER_CONTROL']['KEYWORDS'][$key]['DISALLOWED_BEFORE'];
+                            }
+                            if(isset($language_data['PARSER_CONTROL']['KEYWORDS'][$key]['DISALLOWED_AFTER'])) {
+                                $g1_post = $language_data['PARSER_CONTROL']['KEYWORDS'][$key]['DISALLOWED_AFTER'];
+                            }
+
+                            if(isset($language_data['PARSER_CONTROL']['KEYWORDS'][$key2]['DISALLOWED_BEFORE'])) {
+                                $g2_pre = $language_data['PARSER_CONTROL']['KEYWORDS'][$key2]['DISALLOWED_BEFORE'];
+                            }
+                            if(isset($language_data['PARSER_CONTROL']['KEYWORDS'][$key2]['DISALLOWED_AFTER'])) {
+                                $g2_post = $language_data['PARSER_CONTROL']['KEYWORDS'][$key2]['DISALLOWED_AFTER'];
+                            }
+
+                            if($g1_pre != $g2_pre || $g1_post != $g2_post) {
+                                continue;
+                            }
+                        }
+                        report_error(TYPE_WARNING, "Language file contains cross-group duplicate keyword '$kw' in \$language_data['KEYWORDS'][$key] and \$language_data['KEYWORDS'][$key2]!");
+                    }
+                }
+            }
+            foreach($language_data['CASE_SENSITIVE'] as $key => $keywords) {
+                if(!isset($language_data['KEYWORDS'][$key]) && $key != GESHI_COMMENTS) {
+                    report_error(TYPE_WARNING, "Language file contains an superfluous \$language_data['CASE_SENSITIVE'] specification for non-existing keyword group $key!");
+                }
+            }
+            foreach($language_data['URLS'] as $key => $keywords) {
+                if(!isset($language_data['KEYWORDS'][$key])) {
+                    report_error(TYPE_WARNING, "Language file contains an superfluous \$language_data['URLS'] specification for non-existing keyword group $key!");
+                }
+            }
+            foreach($language_data['STYLES']['KEYWORDS'] as $key => $keywords) {
+                if(!isset($language_data['KEYWORDS'][$key])) {
+                    report_error(TYPE_WARNING, "Language file contains an superfluous \$language_data['STYLES']['KEYWORDS'] specification for non-existing keyword group $key!");
+                }
+            }
+
+            foreach($language_data['COMMENT_SINGLE'] as $ck => $cv) {
+                if(!is_int($ck)) {
+                    report_error(TYPE_WARNING, "Language file contains an key '$ck' in \$language_data['COMMENT_SINGLE'] that is not integer!");
+                }
+                if(!is_string($cv)) {
+                    report_error(TYPE_WARNING, "Language file contains an non-string entry at \$language_data['COMMENT_SINGLE'][$ck]!");
+                }
+                if(!isset($language_data['STYLES']['COMMENTS'][$ck])) {
+                    report_error(TYPE_WARNING, "Language file contains no \$language_data['STYLES']['COMMENTS'] specification for comment group $ck!");
+                }
+            }
+            if(isset($language_data['COMMENT_REGEXP'])) {
+                foreach($language_data['COMMENT_REGEXP'] as $ck => $cv) {
+                    if(!is_int($ck)) {
+                        report_error(TYPE_WARNING, "Language file contains an key '$ck' in \$language_data['COMMENT_REGEXP'] that is not integer!");
+                    }
+                    if(!is_string($cv)) {
+                        report_error(TYPE_WARNING, "Language file contains an non-string entry at \$language_data['COMMENT_REGEXP'][$ck]!");
+                    }
+                    if(!isset($language_data['STYLES']['COMMENTS'][$ck])) {
+                        report_error(TYPE_WARNING, "Language file contains no \$language_data['STYLES']['COMMENTS'] specification for comment group $ck!");
+                    }
+                }
+            }
+            foreach($language_data['STYLES']['COMMENTS'] as $ck => $cv) {
+                if($ck != 'MULTI' && !isset($language_data['COMMENT_SINGLE'][$ck]) &&
+                    !isset($language_data['COMMENT_REGEXP'][$ck])) {
+                    report_error(TYPE_NOTICE, "Language file contains an superfluous \$language_data['STYLES']['COMMENTS'] specification for Single Line or Regular-Expression Comment key $ck!");
+                }
+            }
+            if (isset($language_data['STYLES']['STRINGS']['HARD'])) {
+                if (empty($language_data['HARDQUOTE'])) {
+                    report_error(TYPE_NOTICE, "Language file contains superfluous \$language_data['STYLES']['STRINGS'] specification for key 'HARD', but no 'HARDQUOTE's are defined!");
+                }
+                unset($language_data['STYLES']['STRINGS']['HARD']);
+            }
+            foreach($language_data['STYLES']['STRINGS'] as $sk => $sv) {
+                if($sk && !isset($language_data['QUOTEMARKS'][$sk])) {
+                    report_error(TYPE_NOTICE, "Language file contains an superfluous \$language_data['STYLES']['STRINGS'] specification for non-existing quotemark key $sk!");
+                }
+            }
+
+            foreach($language_data['REGEXPS'] as $rk => $rv) {
+                if(!is_int($rk)) {
+                    report_error(TYPE_WARNING, "Language file contains an key '$rk' in \$language_data['REGEXPS'] that is not integer!");
+                }
+                if(is_string($rv)) {
+                    //Check for unmasked / in regular expressions ...
+                    if(empty($rv)) {
+                        report_error(TYPE_WARNING, "Language file contains an empty regular expression at \$language_data['REGEXPS'][$rk]!");
+                    } else {
+                        if(preg_match("/(?)/s", $rv)) {
+                            report_error(TYPE_WARNING, "Language file contains a regular expression with an unescaped match for a pipe character '|' which needs escaping as '<PIPE>' instead at \$language_data['REGEXPS'][$rk]!");
+                        }
+                    }
+                } elseif(is_array($rv)) {
+                    if(!isset($rv[GESHI_SEARCH])) {
+                        report_error(TYPE_ERROR, "Language file contains no GESHI_SEARCH entry in extended regular expression at \$language_data['REGEXPS'][$rk]!");
+                    } elseif(!is_string($rv[GESHI_SEARCH])) {
+                        report_error(TYPE_ERROR, "Language file contains a GESHI_SEARCH entry in extended regular expression at \$language_data['REGEXPS'][$rk] which is not a string!");
+                    } else {
+                        if(preg_match("/(?)/s", $rv[GESHI_SEARCH])) {
+                            report_error(TYPE_WARNING, "Language file contains a regular expression with an unescaped match for a pipe character '|' which needs escaping as '<PIPE>' instead at \$language_data['REGEXPS'][$rk]!");
+                        }
+                    }
+                    if(!isset($rv[GESHI_REPLACE])) {
+                        report_error(TYPE_WARNING, "Language file contains no GESHI_REPLACE entry in extended regular expression at \$language_data['REGEXPS'][$rk]!");
+                    } elseif(!is_string($rv[GESHI_REPLACE])) {
+                        report_error(TYPE_ERROR, "Language file contains a GESHI_REPLACE entry in extended regular expression at \$language_data['REGEXPS'][$rk] which is not a string!");
+                    }
+                    if(!isset($rv[GESHI_MODIFIERS])) {
+                        report_error(TYPE_WARNING, "Language file contains no GESHI_MODIFIERS entry in extended regular expression at \$language_data['REGEXPS'][$rk]!");
+                    } elseif(!is_string($rv[GESHI_MODIFIERS])) {
+                        report_error(TYPE_ERROR, "Language file contains a GESHI_MODIFIERS entry in extended regular expression at \$language_data['REGEXPS'][$rk] which is not a string!");
+                    }
+                    if(!isset($rv[GESHI_BEFORE])) {
+                        report_error(TYPE_WARNING, "Language file contains no GESHI_BEFORE entry in extended regular expression at \$language_data['REGEXPS'][$rk]!");
+                    } elseif(!is_string($rv[GESHI_BEFORE])) {
+                        report_error(TYPE_ERROR, "Language file contains a GESHI_BEFORE entry in extended regular expression at \$language_data['REGEXPS'][$rk] which is not a string!");
+                    }
+                    if(!isset($rv[GESHI_AFTER])) {
+                        report_error(TYPE_WARNING, "Language file contains no GESHI_AFTER entry in extended regular expression at \$language_data['REGEXPS'][$rk]!");
+                    } elseif(!is_string($rv[GESHI_AFTER])) {
+                        report_error(TYPE_ERROR, "Language file contains a GESHI_AFTER entry in extended regular expression at \$language_data['REGEXPS'][$rk] which is not a string!");
+                    }
+                } else {
+                    report_error(TYPE_WARNING, "Language file contains an non-string and non-array entry at \$language_data['REGEXPS'][$rk]!");
+                }
+                if(!isset($language_data['STYLES']['REGEXPS'][$rk])) {
+                    report_error(TYPE_WARNING, "Language file contains no \$language_data['STYLES']['REGEXPS'] specification for regexp group $rk!");
+                }
+            }
+            foreach($language_data['STYLES']['REGEXPS'] as $rk => $rv) {
+                if(!isset($language_data['REGEXPS'][$rk])) {
+                    report_error(TYPE_NOTICE, "Language file contains an superfluous \$language_data['STYLES']['REGEXPS'] specification for regexp key $rk!");
+                }
+            }
+
+
+        }
+
+        output_error_cache();
+
+        flush();
+
+        if($error_abort) {
+            break;
+        }
+    }
+}
+
+$time_end = explode(' ', microtime());
+$time_diff = $time_end[0] + $time_end[1] - $time_start[0] - $time_start[1];
+
+if ( PHP_SAPI != 'cli' ) {
+?>
+
+
+Validation process completed in  seconds.
+
+GeSHi © 2004-2007 Nigel McNie, 2007-2008 Benny Baumann, released under the GNU GPL
+
+
+
+
+
+Validation process completed in  seconds.
+
+GeSHi © 2004-2007 Nigel McNie, 2007-2008 Benny Baumann, released under the GNU GPL
+
+
\ No newline at end of file
-- 
cgit v1.2.3-24-g4f1b
' . $title . '

GeSHi Example Script

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GeSHi Language File Validation Script
