From b7b513f611a24c5b27f81c1e971005be57f74ce4 Mon Sep 17 00:00:00 2001
From: Alexander Sigachov <ajvol@users.mediawiki.org>
Date: Mon, 5 Sep 2005 19:22:09 +0000
Subject: [PATCH] New magic word: PLURALFORM (like GRAMMAR)

---
 includes/MagicWord.php   |  1 +
 includes/Parser.php      | 10 ++++++++++
 languages/Language.php   | 22 ++++++++++++++++++++++
 languages/LanguageRu.php | 15 +++++++++++++++
 4 files changed, 48 insertions(+)

diff --git a/includes/MagicWord.php b/includes/MagicWord.php
index a0825ee6e3..db34f25f5d 100644
--- a/includes/MagicWord.php
+++ b/includes/MagicWord.php
@@ -56,6 +56,7 @@ define('MAG_SCRIPTPATH',		41);
 define('MAG_SERVERNAME',		42);
 define('MAG_NUMBEROFFILES',		43);
 define('MAG_IMG_MANUALTHUMB',		44);
+define('MAG_PLURALFORM',		45);
 
 $wgVariableIDs = array(
 	MAG_CURRENTMONTH,
diff --git a/includes/Parser.php b/includes/Parser.php
index 9a1ae42750..1914613a71 100644
--- a/includes/Parser.php
+++ b/includes/Parser.php
@@ -2174,6 +2174,16 @@ class Parser
 			}
 		}
 
+		# PLURALFORM
+		if ( !$found && $argc >= 2 ) {
+			$mwPluralForm =& MagicWord::get( MAG_PLURALFORM );
+			if ( $mwPluralForm->matchStartAndRemove( $part1 ) ) {
+				if ($argc==2) {$args[2]=$args[1];}
+				$text = $linestart . $wgContLang->convertPluralForm( $part1, $args[0], $args[1], $args[2]);
+				$found = true;
+			}
+		}
+
 		# Template table test
 
 		# Did we encounter this template already? If yes, it is in the cache
diff --git a/languages/Language.php b/languages/Language.php
index 673076d3b7..f025d7c8c8 100644
--- a/languages/Language.php
+++ b/languages/Language.php
@@ -2782,6 +2782,28 @@ class Language {
 		return $word;
 	}
 
+	/**
+	 * Plural form transformations, needed for some languages.
+	 * For example, where are 3 form of plural in Russian and Polish,
+	 * depending on "count mod 10". See [[w:Plural]]
+	 * For English it is pretty simple.
+	 *
+	 * Invoked by putting {{pluralform:count|wordform1|wordform2}}
+	 * or {{pluralform:count|wordform1|wordform2|wordform3}}
+	 *
+	 * Example: {{pluralform:{{NUMBEROFARTICLES}}|article|articles}} 
+	 *
+	 * @param string $count
+	 * @param string $wordform1
+	 * @param string $wordform2
+	 * @param string $wordform3 (optional)
+	 * @return string
+	 */
+	function convertPluralForm( $count, $wordform1, $wordform2, $wordform3) {
+		if ($count==1) {return $wordform1;}
+		else {return $wordform2;}
+	}
+
 	/**
 	 * For translaing of expiry times
 	 * @param string The validated block time in English
diff --git a/languages/LanguageRu.php b/languages/LanguageRu.php
index 5ceb6f081f..2454cca1cf 100644
--- a/languages/LanguageRu.php
+++ b/languages/LanguageRu.php
@@ -2000,6 +2000,21 @@ class LanguageRu extends LanguageUtf8 {
 		return $word;
 	}
 
+	function convertPluralForm( $count, $wordform1, $wordform2, $wordform3) {
+		if ($count > 10 && floor(($count % 100) / 10) == 1) {
+			return $wordform3;
+		}
+		else {
+        		switch ($count % 10) {
+                		case 1: return $wordform1;
+                		case 2: return $wordform2;
+                		case 3: return $wordform2;
+                		case 4: return $wordform2;
+				default: return $wordform3;
+        		}
+		}
+	}
+
 	function formatNum( $number ) {
 		global $wgTranslateNumerals;
 		return $wgTranslateNumerals ? strtr($number, '.,', ', ' ) : $number;
-- 
2.20.1