From 7ad9f272a482802da2d43fe83841adbe9bcd8cb4 Mon Sep 17 00:00:00 2001
From: derchris
Date: Sat, 2 Feb 2019 15:35:30 +0100
Subject: update less.php to PHP 7.x compatible fork

---
 lib/less.php/Output/Mapped.php | 122 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 lib/less.php/Output/Mapped.php

(limited to 'lib/less.php/Output/Mapped.php')

diff --git a/lib/less.php/Output/Mapped.php b/lib/less.php/Output/Mapped.php
new file mode 100644
index 0000000..9e4cc46
--- /dev/null
+++ b/lib/less.php/Output/Mapped.php
@@ -0,0 +1,122 @@
+<?php
+
+/**
+ * Parser output with source map
+ *
+ * @package Less
+ * @subpackage Output
+ */
+class Less_Output_Mapped extends Less_Output {
+
+	/**
+	 * The source map generator
+	 *
+	 * @var Less_SourceMap_Generator
+	 */
+	protected $generator;
+
+	/**
+	 * Current line
+	 *
+	 * @var integer
+	 */
+	protected $lineNumber = 0;
+
+	/**
+	 * Current column
+	 *
+	 * @var integer
+	 */
+	protected $column = 0;
+
+	/**
+	 * Array of contents map (file and its content)
+	 *
+	 * @var array
+	 */
+	protected $contentsMap = array();
+
+	/**
+	 * 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 string $fileInfo
+	 * @param integer $index
+	 * @param mixed $mapLines
+	 */
+	public function add($chunk, $fileInfo = null, $index = 0, $mapLines = null){
+
+		//ignore adding empty strings
+		if( $chunk === '' ){
+			return;
+		}
+
+
+		$sourceLines = array();
+		$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);
+	}
+
+}
\ No newline at end of file
-- 
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