make language detection optional (closes #779)

config.php-dist

@@ -184,6 +184,12 @@
 	define('CHECK_FOR_NEW_VERSION', true);
 	// Check for new versions of tt-rss automatically.
 
+	define('DETECT_ARTICLE_LANGUAGE', true);
+	// Detect article language when updating feeds, presently this is only
+	// used for hyphenation. This may increase amount of CPU time used by 
+	// update processes, disable if necessary (i.e. you are being billed
+	// for CPU time).
+
 	define('ENABLE_GZIP_OUTPUT', false);
 	// Selectively gzip output to improve wire performance. This requires
 	// PHP Zlib extension on the server.

include/rssfuncs.php

@@ -356,10 +356,12 @@
 			$rss->init();
 		}
 
-		require_once "lib/languagedetect/LanguageDetect.php";
+		if (DETECT_ARTICLE_LANGUAGE) {
+			require_once "lib/languagedetect/LanguageDetect.php";
 
-		$lang = new Text_LanguageDetect();
-		$lang->setNameMode(2);
+			$lang = new Text_LanguageDetect();
+			$lang->setNameMode(2);
+		}
 
 //		print_r($rss);
 
@@ -572,15 +574,17 @@
 					print "\n";
 				}
 
-				$entry_language = $lang->detect($entry_title . " " . $entry_content, 1);
+				$entry_language = "";
+
+				if (DETECT_ARTICLE_LANGUAGE) {
+					$entry_language = $lang->detect($entry_title . " " . $entry_content, 1);
 
-				if (count($entry_language) > 0) {
-					$entry_language = array_keys($entry_language);
-					$entry_language = db_escape_string(substr($entry_language[0], 0, 2));
+					if (count($entry_language) > 0) {
+						$entry_language = array_keys($entry_language);
+						$entry_language = db_escape_string(substr($entry_language[0], 0, 2));
 
-					_debug("detected language: $entry_language", $debug_enabled);
-				} else{
-					$entry_language = "";
+						_debug("detected language: $entry_language", $debug_enabled);
+					}
 				}
 
 				$entry_comments = $item->get_comments_url();

include/sanity_config.php

@@ -1,3 +1,3 @@
-<?php # This file has been generated at:  Thu May 30 08:39:20 MSK 2013
+<?php # This file has been generated at:  Fri Sep 27 13:42:37 MSK 2013
 define('GENERATED_CONFIG_CHECK', 26);
-$requred_defines = array( 'DB_TYPE', 'DB_HOST', 'DB_USER', 'DB_NAME', 'DB_PASS', 'MYSQL_CHARSET', 'SELF_URL_PATH', 'FEED_CRYPT_KEY', 'SINGLE_USER_MODE', 'SIMPLE_UPDATE_MODE', 'PHP_EXECUTABLE', 'LOCK_DIRECTORY', 'CACHE_DIR', 'ICONS_DIR', 'ICONS_URL', 'AUTH_AUTO_CREATE', 'AUTH_AUTO_LOGIN', 'FORCE_ARTICLE_PURGE', 'PUBSUBHUBBUB_HUB', 'PUBSUBHUBBUB_ENABLED', 'SPHINX_ENABLED', 'SPHINX_SERVER', 'SPHINX_INDEX', 'ENABLE_REGISTRATION', 'REG_NOTIFY_ADDRESS', 'REG_MAX_USERS', 'SESSION_COOKIE_LIFETIME', 'SESSION_CHECK_ADDRESS', 'SMTP_FROM_NAME', 'SMTP_FROM_ADDRESS', 'DIGEST_SUBJECT', 'SMTP_SERVER', 'SMTP_LOGIN', 'SMTP_PASSWORD', 'SMTP_SECURE', 'CHECK_FOR_NEW_VERSION', 'ENABLE_GZIP_OUTPUT', 'PLUGINS', 'LOG_DESTINATION', 'CONFIG_VERSION'); ?>
+$requred_defines = array( 'DB_TYPE', 'DB_HOST', 'DB_USER', 'DB_NAME', 'DB_PASS', 'MYSQL_CHARSET', 'SELF_URL_PATH', 'FEED_CRYPT_KEY', 'SINGLE_USER_MODE', 'SIMPLE_UPDATE_MODE', 'PHP_EXECUTABLE', 'LOCK_DIRECTORY', 'CACHE_DIR', 'ICONS_DIR', 'ICONS_URL', 'AUTH_AUTO_CREATE', 'AUTH_AUTO_LOGIN', 'FORCE_ARTICLE_PURGE', 'PUBSUBHUBBUB_HUB', 'PUBSUBHUBBUB_ENABLED', 'SPHINX_ENABLED', 'SPHINX_SERVER', 'SPHINX_INDEX', 'ENABLE_REGISTRATION', 'REG_NOTIFY_ADDRESS', 'REG_MAX_USERS', 'SESSION_COOKIE_LIFETIME', 'SESSION_CHECK_ADDRESS', 'SMTP_FROM_NAME', 'SMTP_FROM_ADDRESS', 'DIGEST_SUBJECT', 'SMTP_SERVER', 'SMTP_LOGIN', 'SMTP_PASSWORD', 'SMTP_SECURE', 'CHECK_FOR_NEW_VERSION', 'DETECT_ARTICLE_LANGUAGE', 'ENABLE_GZIP_OUTPUT', 'PLUGINS', 'LOG_DESTINATION', 'CONFIG_VERSION'); ?>