feat: support OGNL syntax in expressions

.phpunit.result.cache

@@ -1 +1 @@
-{"version":1,"defects":{"Tests\\JuelEngineTest::testEngine":4,"Tests\\JuelEngineTest::testEngineManager":5,"Tests\\JuelEngineTest::testEngineFactory":4,"Tests\\JuelEngineTest::testJuelEngineManager":4,"Tests\\ExpressionLanguageTest::testNumericMethods":4,"Tests\\ExpressionLanguageTest::testMethodInvocation":4,"Tests\\JuelEngineTest::testJuelEngineManagerWithFunction":4,"Tests\\LuaEngineTest::testLuaScript":5},"times":{"Tests\\JuelEngineTest::testEngine":0.003,"Tests\\JuelEngineTest::testEngineFactory":0.006,"Tests\\JuelEngineTest::testEngineManager":0.003,"Tests\\JuelEngineTest::testJuelEngineManager":0.001,"Tests\\ExpressionLanguageTest::testNumericVariables":0.006,"Tests\\ExpressionLanguageTest::testNumericMethods":0,"Tests\\ExpressionLanguageTest::testBooleanMethods":0,"Tests\\ExpressionLanguageTest::testMethodInvocation":0.001,"Tests\\ExpressionLanguageTest::testExpressionString":0,"Tests\\ExpressionLanguageTest::testIsDeferred":0,"Tests\\ExpressionLanguageTest::testGetExpectedType":0,"Tests\\ExpressionLanguageTest::testGetType":0,"Tests\\JuelEngineTest::testJuelEngineManagerWithVariable":0.001,"Tests\\JuelEngineTest::testJuelEngineManagerWithFunction":0.001,"Tests\\LuaEngineTest::testLuaScript":0}}
+{"version":1,"defects":{"Tests\\JuelEngineTest::testEngine":4,"Tests\\JuelEngineTest::testEngineManager":5,"Tests\\JuelEngineTest::testEngineFactory":4,"Tests\\JuelEngineTest::testJuelEngineManager":4,"Tests\\ExpressionLanguageTest::testNumericMethods":4,"Tests\\ExpressionLanguageTest::testMethodInvocation":4,"Tests\\JuelEngineTest::testJuelEngineManagerWithFunction":3,"Tests\\LuaEngineTest::testLuaScript":5,"Tests\\JuelEngineTest::testOgnlSyntaxInJuelExpression":4},"times":{"Tests\\JuelEngineTest::testEngine":0.003,"Tests\\JuelEngineTest::testEngineFactory":0.021,"Tests\\JuelEngineTest::testEngineManager":0.003,"Tests\\JuelEngineTest::testJuelEngineManager":0.001,"Tests\\ExpressionLanguageTest::testNumericVariables":0.006,"Tests\\ExpressionLanguageTest::testNumericMethods":0,"Tests\\ExpressionLanguageTest::testBooleanMethods":0,"Tests\\ExpressionLanguageTest::testMethodInvocation":0.001,"Tests\\ExpressionLanguageTest::testExpressionString":0,"Tests\\ExpressionLanguageTest::testIsDeferred":0,"Tests\\ExpressionLanguageTest::testGetExpectedType":0,"Tests\\ExpressionLanguageTest::testGetType":0,"Tests\\JuelEngineTest::testJuelEngineManagerWithVariable":0.002,"Tests\\JuelEngineTest::testJuelEngineManagerWithFunction":0.002,"Tests\\LuaEngineTest::testLuaScript":0,"Tests\\JuelEngineTest::testOgnlSyntaxInJuelExpression":0.005}}

composer.json

@@ -17,8 +17,9 @@
     },
     "require": {
         "php": "^7.4 || ^8.0",
-        "bingo-soft/el": "^1.0",
-        "bingo-soft/juel": "^1.0"
+        "bingo-soft/el": "^1.1",
+        "bingo-soft/juel": "^1.2",
+        "bingo-soft/util": "^1.3"
     },
     "require-dev": {
         "doctrine/coding-standard": "*",

src/AbstractScriptEngine.php

@@ -107,7 +107,7 @@ public function put(string $key, $value): void
     {
         $nn = $this->getBindings(ScriptContextInterface::ENGINE_SCOPE);
         if ($nn !== null) {
-            $nn->put($key, $value);
+            $nn->put($key, $value);                      
         }
     }
 

src/Engine/Juel/JuelScriptEngine.php

@@ -27,6 +27,7 @@
     SimpleBindings,
     SimpleScriptContext
 };
+use Util\Reflection\MetaObject;
 
 class JuelScriptEngine extends AbstractScriptEngine
 {
@@ -71,10 +72,20 @@ public function createBindings(): BindingsInterface
         return new SimpleBindings();
     }
 
+    public function put(string $key, $value): void
+    {
+        parent::put($key, $value);
+        if ($value instanceof MetaObject) {
+            $context = $this->createElContext($this->context);
+            $context->getELResolver()->setValue($context, null, $key, $value);
+        }
+    }
+
     public function evaluateExpression(ValueExpression $expr, ScriptContextInterface $ctx)
     {
         try {
-            return $expr->getValue($this->createElContext($ctx));
+            $context = $this->createElContext($ctx);
+            return $expr->getValue($context);
         } catch (ELException $elexp) {
             throw new ScriptException($elexp);
         }

tests/JuelEngineTest.php

@@ -15,6 +15,7 @@
     ExpressionFactoryImpl,
     SimpleContext
 };
+use Util\Reflection\MetaObject;
 
 class JuelEngineTest extends TestCase
 {
@@ -63,4 +64,18 @@ public function bar(): int
         $this->assertEquals(3.23, $engine->eval('${simple.propFloat + 2}'));
         $this->assertEquals(34, $engine->eval('${simple.bar() + simple.foo()}'));
     }
+
+    public function testOgnlSyntaxInJuelExpression(): void
+    {
+        $rich1 = new RichType();
+        $meta1 = new MetaObject($rich1);
+        $meta1->setValue("richType.richType.richField", 10);
+
+
+        $manager = new ScriptEngineManager();
+        $engine = $manager->getEngineByName("juel");
+        $engine->put("parameterObject", $meta1);
+
+        $this->assertEquals(21, $engine->eval('${richType.richType.richField + 11}'));
+    }
 }

tests/RichType.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Tests;
+
+class RichType
+{
+    private int $richField;
+    private $richType;
+    private $richProperty;
+    private $richMap = [];
+    private $richList = ["bar"];
+
+    public function getRichType(): RichType
+    {
+        return $this->richType;
+    }
+
+    public function setRichType(RichType $richType): void
+    {
+        $this->richType = $richType;
+    }
+
+    public function getRichProperty(): string
+    {
+        return $this->richProperty;
+    }
+
+    public function setRichProperty(string $richProperty): void
+    {
+        $this->richProperty = $richProperty;
+    }
+
+    public function getRichList(): array
+    {
+        return $this->richList;
+    }
+
+    public function setRichList(array $richList): void
+    {
+        $this->richList = $richList;
+    }
+
+    public function getRichMap(): array
+    {
+        return $this->richMap;
+    }
+
+    public function setRichMap(array $richMap): void
+    {
+        $this->richMap = $richMap;
+    }
+}