Merge pull request #45 from JBlond/cli-plain-output

add plain output for cli

Author: JBlond

README.md

@@ -27,8 +27,6 @@ composer require jblond/php-diff
 
 ## Example Use
 
-<details><summary>Example Code</summary><br>
-
 ```PHP
 <?php
 use jblond\Diff;
@@ -45,6 +43,7 @@ $options = [
     'ignoreWhitespace' => true,
     'ignoreCase'       => true,
     'context'          => 2,
+    'cliColor'         => 'simple' // for cli output
 ];
 
 // Initialize the diff class.
@@ -60,8 +59,6 @@ $renderer = new SideBySide([
 echo $diff->Render($renderer);
 ```
 
-</details>
-
 ### Example Output
 A quick usage example can be found in the `example/` directory and under example.php. Included is a light theme and a dark theme.
 

example/cli.php

@@ -7,6 +7,10 @@
 // Include and instantiate autoloader.
 require '../vendor/autoload.php';
 
+// jblond\cli\Cli
+$cli = new Cli();
+
+
 // Include two sample files for comparison.
 $a = file_get_contents(dirname(__FILE__) . '/a.txt');
 $b = file_get_contents(dirname(__FILE__) . '/b.txt');
@@ -26,6 +30,11 @@
 // \jblond\Diff\Renderer\Text
 $renderer = new UnifiedCli();
 
-// jblond\cli\Cli
-$cli = new Cli();
+
 $cli->output($diff->render($renderer));
+
+echo "\n\n Now Colored\n\n";
+
+$coloredRenderer = new UnifiedCli(['cliColor'=>'simple']);
+
+$cli->output($diff->render($coloredRenderer));

lib/jblond/Diff/Renderer/Text/UnifiedCli.php

@@ -2,9 +2,11 @@
 
 namespace jblond\Diff\Renderer\Text;
 
+use InvalidArgumentException;
 use jblond\cli\CliColors;
 use jblond\Diff\Renderer\RendererAbstract;
 
+
 /**
  * Unified diff generator for PHP DiffLib.
  *
@@ -25,6 +27,11 @@ class UnifiedCli extends RendererAbstract
      */
     private $colors;
 
+    /**
+     * @var array
+     */
+    protected $options;
+
     /**
      * UnifiedCli constructor.
      * @param array $options
@@ -33,14 +40,45 @@ public function __construct(array $options = [])
     {
         parent::__construct($options);
         $this->colors = new CliColors();
+        $this->options = $options;
     }
 
     /**
      * Render and return a unified diff.
      *
      * @return string Direct Output to the console
+     * @throws InvalidArgumentException
      */
     public function render(): string
+    {
+        if (!isset($this->options['cliColor'])) {
+            return $this->output();
+        }
+        if (isset($this->options['cliColor']) && $this->options['cliColor'] == 'simple') {
+            return $this->output();
+        }
+        throw new InvalidArgumentException('Invalid cliColor option');
+    }
+
+
+    /**
+     * @param $string
+     * @param string $color
+     * @return string
+     */
+    private function colorizeString($string, $color = ''): string
+    {
+        if (isset($this->options['cliColor']) && $this->options['cliColor'] == 'simple') {
+            return $this->colors->getColoredString($string, $color);
+        }
+        return $string;
+    }
+
+    /**
+     * Render and return a unified colored diff.
+     * @return string
+     */
+    private function output(): string
     {
         $diff = '';
         $opCodes = $this->diff->getGroupedOpCodes();
@@ -56,7 +94,7 @@ public function render(): string
                 $i2 = -1;
             }
 
-            $diff .= $this->colors->getColoredString(
+            $diff .= $this->colorizeString(
                 '@@ -' . ($i1 + 1) . ',' . ($i2 - $i1) . ' +' . ($j1 + 1) . ',' . ($j2 - $j1) . " @@\n",
                 'purple'
             );
@@ -66,22 +104,22 @@ public function render(): string
                         "\n ",
                         $this->diff->getArrayRange($this->diff->getVersion1(), $i1, $i2)
                     );
-                    $diff .= $this->colors->getColoredString(' ' . $string . "\n", 'grey');
+                    $diff .= $this->colorizeString(' ' . $string . "\n", 'grey');
                     continue;
                 }
                 if ($tag == 'replace' || $tag == 'delete') {
                     $string = implode(
                         "\n- ",
                         $this->diff->getArrayRange($this->diff->getVersion1(), $i1, $i2)
                     );
-                    $diff .= $this->colors->getColoredString('-' . $string . "\n", 'light_red');
+                    $diff .= $this->colorizeString('-' . $string . "\n", 'light_red');
                 }
                 if ($tag == 'replace' || $tag == 'insert') {
                     $string = implode(
                         "\n+",
                         $this->diff->getArrayRange($this->diff->getVersion2(), $j1, $j2)
                     );
-                    $diff .= $this->colors->getColoredString('+' . $string . "\n", 'light_green');
+                    $diff .= $this->colorizeString('+' . $string . "\n", 'light_green');
                 }
             }
         }