feat: support console color for Unified and Context renderers

.phan/config.php

@@ -18,6 +18,7 @@
         'src',
         'vendor/jfcherng/php-mb-string/src',
         'vendor/jfcherng/php-sequence-matcher/src',
+        'vendor/symfony/console',
     ],
 
     // A directory list that defines files that will be excluded

README.md

@@ -61,6 +61,7 @@ include __DIR__ . '/vendor/autoload.php';
 use Jfcherng\Diff\Differ;
 use Jfcherng\Diff\DiffHelper;
 use Jfcherng\Diff\Factory\RendererFactory;
+use Jfcherng\Diff\Renderer\RendererConstant;
 
 $oldFile = __DIR__ . '/example/old_file.txt';
 $newFile = __DIR__ . '/example/new_file.txt';
@@ -104,6 +105,11 @@ $rendererOptions = [
     // it determines whether a replace-type block should be merged or not
     // depending on the content changed ratio, which values between 0 and 1.
     'mergeThreshold' => 0.8,
+    // this option is currently only for the Unified and the Context renderers.
+    // RendererConstant::CLI_COLOR_AUTO = colorize the output if possible (default)
+    // RendererConstant::CLI_COLOR_ENABLE = force to colorize the output
+    // RendererConstant::CLI_COLOR_DISABLE = force not to colorize the output
+    'cliColorization' => RendererConstant::CLI_COLOR_AUTO,
     // this option is currently only for the Json renderer.
     // internally, ops (tags) are all int type but this is not good for human reading.
     // set this to "true" to convert them into string form before outputting.

composer.json

@@ -34,7 +34,8 @@
     "require": {
         "php": "^7.1.3",
         "jfcherng/php-mb-string": "^1.3",
-        "jfcherng/php-sequence-matcher": "^3.2.2"
+        "jfcherng/php-sequence-matcher": "^3.2.2",
+        "symfony/console": ">=3 <6"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.16",