Rename Configuration::$hasReadline hasNativeReadline

src/Configuration.php

@@ -87,7 +87,8 @@ class Configuration
     private $historySize;
     private $eraseDuplicates;
     private $manualDbFile;
-    private $hasReadline;
+    /** @bool Native readline implementation provided by {@see readline()} function */
+    private $hasNativeReadline;
     private $useReadline;
     private $useBracketedPaste;
     private $hasPcntl;
@@ -370,7 +371,7 @@ public static function getInputOptions(): array
     public function init()
     {
         // feature detection
-        $this->hasReadline = \function_exists('readline');
+        $this->hasNativeReadline = \function_exists('readline');
         $this->hasPcntl = ProcessForker::isSupported();
 
         if ($configFile = $this->getConfigFile()) {
@@ -735,13 +736,24 @@ public function getPipe(string $type, int $pid): string
     }
 
     /**
-     * Check whether this PHP instance has Readline available.
+     * Check whether this PHP instance has native readline available.
      *
+     * @deprecated Call {@see Configuration::hasNativeReadline()} instead
      * @return bool True if Readline is available
      */
     public function hasReadline(): bool
     {
-        return $this->hasReadline;
+        return $this->hasNativeReadline;
+    }
+
+    /**
+     * Check whether this PHP instance has native readline available.
+     *
+     * @return bool True if Readline is available
+     */
+    public function hasNativeReadline(): bool
+    {
+        return $this->hasNativeReadline;
     }
 
     /**
@@ -764,7 +776,7 @@ public function setUseReadline(bool $useReadline)
      */
     public function useReadline(): bool
     {
-        return isset($this->useReadline) ? ($this->hasReadline && $this->useReadline) : $this->hasReadline;
+        return isset($this->useReadline) ? ($this->hasNativeReadline && $this->useReadline) : $this->hasNativeReadline;
     }
 
     /**
@@ -1081,7 +1093,9 @@ public function setTabCompletion(bool $useTabCompletion)
      */
     public function useTabCompletion(): bool
     {
-        return isset($this->useTabCompletion) ? ($this->hasReadline && $this->useTabCompletion) : $this->hasReadline;
+        // TODO: In the future, if stability other than GNU Readline improves,
+        //       it will no longer depend on $this->hasNativeReadline property.
+        return isset($this->useTabCompletion) ? $this->useTabCompletion : $this->hasNativeReadline;
     }
 
     /**

test/ConfigurationTest.php

@@ -35,7 +35,7 @@ public function testDefaults()
     {
         $config = $this->getConfig();
 
-        $this->assertSame(\function_exists('readline'), $config->hasReadline());
+        $this->assertSame(\function_exists('readline'), $config->hasNativeReadline());
         $this->assertSame(\function_exists('readline'), $config->useReadline());
         $this->assertSame(ProcessForker::isSupported(), $config->hasPcntl());
         $this->assertSame($config->hasPcntl(), $config->usePcntl());