Add 1.4 and backport 2.0 into one

Author: SpacePossum

composer.json

@@ -26,6 +26,9 @@
         ]
     },
     "autoload-dev": {
-        "psr-4": { "PhpCsFixer\\Diff\\Tests\\": "tests/" }
+        "psr-4": {
+            "PhpCsFixer\\Diff\\v1_4\\Tests\\": "tests/v1_4",
+            "PhpCsFixer\\Diff\\v2_0\\Tests\\": "tests/v2_0"
+        }
     }
 }

src/v1_4/Chunk.php

@@ -0,0 +1,103 @@
+<?php
+/*
+ * This file is part of sebastian/diff.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace PhpCsFixer\Diff\v1_4;
+
+class Chunk
+{
+    /**
+     * @var int
+     */
+    private $start;
+
+    /**
+     * @var int
+     */
+    private $startRange;
+
+    /**
+     * @var int
+     */
+    private $end;
+
+    /**
+     * @var int
+     */
+    private $endRange;
+
+    /**
+     * @var array
+     */
+    private $lines;
+
+    /**
+     * @param int   $start
+     * @param int   $startRange
+     * @param int   $end
+     * @param int   $endRange
+     * @param array $lines
+     */
+    public function __construct($start = 0, $startRange = 1, $end = 0, $endRange = 1, array $lines = array())
+    {
+        $this->start      = (int) $start;
+        $this->startRange = (int) $startRange;
+        $this->end        = (int) $end;
+        $this->endRange   = (int) $endRange;
+        $this->lines      = $lines;
+    }
+
+    /**
+     * @return int
+     */
+    public function getStart()
+    {
+        return $this->start;
+    }
+
+    /**
+     * @return int
+     */
+    public function getStartRange()
+    {
+        return $this->startRange;
+    }
+
+    /**
+     * @return int
+     */
+    public function getEnd()
+    {
+        return $this->end;
+    }
+
+    /**
+     * @return int
+     */
+    public function getEndRange()
+    {
+        return $this->endRange;
+    }
+
+    /**
+     * @return array
+     */
+    public function getLines()
+    {
+        return $this->lines;
+    }
+
+    /**
+     * @param array $lines
+     */
+    public function setLines(array $lines)
+    {
+        $this->lines = $lines;
+    }
+}

src/v1_4/Diff.php

@@ -0,0 +1,73 @@
+<?php
+/*
+ * This file is part of sebastian/diff.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace PhpCsFixer\Diff\v1_4;
+
+class Diff
+{
+    /**
+     * @var string
+     */
+    private $from;
+
+    /**
+     * @var string
+     */
+    private $to;
+
+    /**
+     * @var Chunk[]
+     */
+    private $chunks;
+
+    /**
+     * @param string  $from
+     * @param string  $to
+     * @param Chunk[] $chunks
+     */
+    public function __construct($from, $to, array $chunks = array())
+    {
+        $this->from   = $from;
+        $this->to     = $to;
+        $this->chunks = $chunks;
+    }
+
+    /**
+     * @return string
+     */
+    public function getFrom()
+    {
+        return $this->from;
+    }
+
+    /**
+     * @return string
+     */
+    public function getTo()
+    {
+        return $this->to;
+    }
+
+    /**
+     * @return Chunk[]
+     */
+    public function getChunks()
+    {
+        return $this->chunks;
+    }
+
+    /**
+     * @param Chunk[] $chunks
+     */
+    public function setChunks(array $chunks)
+    {
+        $this->chunks = $chunks;
+    }
+}