1 files changed, 125 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/Utils/StatsFormatter.php b/www/wiki/extensions/SemanticMediaWiki/src/Utils/StatsFormatter.php
new file mode 100644
index 00000000..021cd443
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/Utils/StatsFormatter.php
@@ -0,0 +1,125 @@
+<?php
+
+namespace SMW\Utils;
+
+/**
+ * @license GNU GPL v2+
+ * @since 2.5
+ *
+ * @author mwjames
+ */
+class StatsFormatter {
+
+	/**
+	 * Stats as plain string
+	 */
+	const FORMAT_PLAIN = 'plain';
+
+	/**
+	 * Stats as JSON output
+	 */
+	const FORMAT_JSON = 'json';
+
+	/**
+	 * Stats as HTML list output
+	 */
+	const FORMAT_HTML = 'html';
+
+	/**
+	 * @since 2.5
+	 *
+	 * @param array $stats
+	 * @param string|null $format
+	 *
+	 * @return string|array
+	 */
+	public static function format( array $stats, $format = null ) {
+
+		$output = '';
+
+		if ( $format === self::FORMAT_PLAIN ) {
+			foreach ( $stats as $key => $value ) {
+				$output .= '- ' . $key . "\n";
+
+				if ( !is_array( $value ) ) {
+					continue;
+				}
+
+				foreach ( $value as $k => $v ) {
+					$output .= '  - ' . $k . ': ' . $v . "\n";
+				}
+			}
+		}
+
+		if ( $format === self::FORMAT_HTML ) {
+			$output .= '<ul>';
+			foreach ( $stats as $key => $value ) {
+				$output .= '<li>' . $key . '<ul>';
+
+				if ( !is_array( $value ) ) {
+					continue;
+				}
+
+				foreach ( $value as $k => $v ) {
+					$output .= '<li>' . $k . ': ' . $v . "</li>";
+				}
+				$output .= '</ul></li>';
+			}
+			$output .= '</ul>';
+		}
+
+		if ( $format === self::FORMAT_JSON ) {
+			$output .= json_encode( $stats, JSON_PRETTY_PRINT );
+		}
+
+		if ( $format === null ) {
+			$output = $stats;
+		}
+
+		return $output;
+	}
+
+	/**
+	 * @since 2.5
+	 *
+	 * @param array $stats
+	 * @param string $separator
+	 *
+	 * @return array
+	 */
+	public static function getStatsFromFlatKey( array $stats, $separator = '.' ) {
+
+		$data = $stats;
+		$stats = [];
+
+		foreach ( $data as $key => $value ) {
+			if ( strpos( $key, $separator ) !== false ) {
+				$stats = array_merge_recursive( $stats, self::stringToArray( $separator, $key, $value ) );
+			} else {
+				$stats[$key] = $value;
+			}
+		}
+
+		return $stats;
+	}
+
+	// http://stackoverflow.com/questions/10123604/multstatsdIdimensional-array-from-string
+	private static function stringToArray( $separator, $path, $value ) {
+
+		$pos = strpos( $path, $separator );
+
+		if ( $pos === false ) {
+			return [ $path => $value ];
+		}
+
+		$key = substr( $path, 0, $pos );
+		$path = substr( $path, $pos + 1 );
+
+		$result = [
+			$key => self::stringToArray( $separator, $path, $value )
+		];
+
+		return $result;
+	}
+
+}