1 files changed, 117 insertions, 0 deletions
diff --git a/vendor/wikimedia/less.php/lib/Less/Output/Mapped.php b/vendor/wikimedia/less.php/lib/Less/Output/Mapped.php
new file mode 100644
index 0000000..ece5172
--- /dev/null
+++ b/vendor/wikimedia/less.php/lib/Less/Output/Mapped.php
@@ -0,0 +1,117 @@
+<?php
+/**
+ * Parser output with source map
+ *
+ * @private
+ */
+class Less_Output_Mapped extends Less_Output {
+
+	/**
+	 * The source map generator
+	 *
+	 * @var Less_SourceMap_Generator
+	 */
+	protected $generator;
+
+	/**
+	 * Current line
+	 *
+	 * @var int
+	 */
+	protected $lineNumber = 0;
+
+	/**
+	 * Current column
+	 *
+	 * @var int
+	 */
+	protected $column = 0;
+
+	/**
+	 * Array of contents map (file and its content)
+	 *
+	 * @var array
+	 */
+	protected $contentsMap = [];
+
+	/**
+	 * Constructor
+	 *
+	 * @param array $contentsMap Array of filename to contents map
+	 * @param Less_SourceMap_Generator $generator
+	 */
+	public function __construct( array $contentsMap, $generator ) {
+		$this->contentsMap = $contentsMap;
+		$this->generator = $generator;
+	}
+
+	/**
+	 * Adds a chunk to the stack
+	 * The $index for less.php may be different from less.js since less.php does not chunkify inputs
+	 *
+	 * @param string $chunk
+	 * @param array|null $fileInfo
+	 * @param int $index
+	 * @param mixed $mapLines
+	 */
+	public function add( $chunk, $fileInfo = null, $index = 0, $mapLines = null ) {
+		// ignore adding empty strings
+		if ( $chunk === '' ) {
+			return;
+		}
+
+		$sourceLines = [];
+		$sourceColumns = ' ';
+
+		if ( $fileInfo ) {
+
+			$url = $fileInfo['currentUri'];
+
+			if ( isset( $this->contentsMap[$url] ) ) {
+				$inputSource = substr( $this->contentsMap[$url], 0, $index );
+				$sourceLines = explode( "\n", $inputSource );
+				$sourceColumns = end( $sourceLines );
+			} else {
+				throw new Exception( 'Filename ' . $url . ' not in contentsMap' );
+			}
+
+		}
+
+		$lines = explode( "\n", $chunk );
+		$columns = end( $lines );
+
+		if ( $fileInfo ) {
+
+			if ( !$mapLines ) {
+				$this->generator->addMapping(
+						$this->lineNumber + 1,					// generated_line
+						$this->column,							// generated_column
+						count( $sourceLines ),					// original_line
+						strlen( $sourceColumns ),					// original_column
+						$fileInfo
+				);
+			} else {
+				for ( $i = 0, $count = count( $lines ); $i < $count; $i++ ) {
+					$this->generator->addMapping(
+						$this->lineNumber + $i + 1,				// generated_line
+						$i === 0 ? $this->column : 0,			// generated_column
+						count( $sourceLines ) + $i,				// original_line
+						$i === 0 ? strlen( $sourceColumns ) : 0, 	// original_column
+						$fileInfo
+					);
+				}
+			}
+		}
+
+		if ( count( $lines ) === 1 ) {
+			$this->column += strlen( $columns );
+		} else {
+			$this->lineNumber += count( $lines ) - 1;
+			$this->column = strlen( $columns );
+		}
+
+		// add only chunk
+		parent::add( $chunk );
+	}
+
+}