Merge pull request #3816 from armen/master

Implement __vector_as_bytes and methods to get [ubyte] efficiently

php/Table.php

@@ -89,9 +89,15 @@ abstract class Table
         return $offset + $this->bb->getInt($offset) + Constants::SIZEOF_INT;
     }
 
-//    protected function __vector_as_bytebuffer($vector_offset, $elem_size)
-//    {
-//    }
+    protected function __vector_as_bytes($vector_offset, $elem_size=1)
+    {
+        $o = $this->__offset($vector_offset);
+        if ($o == 0) {
+            return null;
+        }
+
+        return substr($this->bb->_buffer, $this->__vector($o), $this->__vector_len($o) * $elem_size);
+    }
 
     /**
      * @param Table $table

src/idl_gen_php.cpp

@@ -165,6 +165,22 @@ namespace php {
       code += Indent + "}\n\n";
     }
 
+    // Get a [ubyte] vector as a byte array.
+    static void GetUByte(const FieldDef &field,
+      std::string *code_ptr) {
+      std::string &code = *code_ptr;
+
+      code += Indent + "/**\n";
+      code += Indent + " * @return string\n";
+      code += Indent + " */\n";
+      code += Indent + "public function get";
+      code += MakeCamel(field.name) + "Bytes()\n";
+      code += Indent + "{\n";
+      code += Indent + Indent + "return $this->__vector_as_bytes(";
+      code += NumToString(field.value.offset) + ");\n";
+      code += Indent + "}\n\n";
+    }
+
     // Get the value of a struct's scalar.
     static void GetScalarFieldOfStruct(const FieldDef &field,
       std::string *code_ptr) {
@@ -250,7 +266,7 @@ namespace php {
         ");\n";
       code += Indent + Indent;
       code += "return $o != 0 ? $obj->init(";
-	  if (field.value.type.struct_def->fixed)
+      if (field.value.type.struct_def->fixed)
       {
         code += "$o + $this->bb_pos, $this->bb) : ";
       } else {
@@ -690,6 +706,9 @@ namespace php {
       }
       if (field.value.type.base_type == BASE_TYPE_VECTOR) {
         GetVectorLen(field, code_ptr);
+        if (field.value.type.element == BASE_TYPE_UCHAR) {
+          GetUByte(field, code_ptr);
+        }
       }
     }
 

tests/MyGame/Example/Monster.php

@@ -98,6 +98,14 @@ class Monster extends Table
         return $o != 0 ? $this->__vector_len($o) : 0;
     }
 
+    /**
+     * @return string
+     */
+    public function getInventoryBytes()
+    {
+        return $this->__vector_as_bytes(14);
+    }
+
     /**
      * @return sbyte
      */
@@ -210,6 +218,14 @@ class Monster extends Table
         return $o != 0 ? $this->__vector_len($o) : 0;
     }
 
+    /**
+     * @return string
+     */
+    public function getTestnestedflatbufferBytes()
+    {
+        return $this->__vector_as_bytes(30);
+    }
+
     public function getTestempty()
     {
         $obj = new Stat();

tests/phpTest.php

@@ -128,6 +128,7 @@ function test_buffer(Assert $assert, Google\FlatBuffers\ByteBuffer $bb) {
     }
     $assert->strictEqual($invsum, 10);
 
+    $assert->strictEqual(bin2hex($monster->GetInventoryBytes()), "0001020304");
 
     $test_0 = $monster->GetTest4(0);
     $test_1 = $monster->GetTest4(1);