add more test and fix a wrong test, also comment some not-used-at-all codes.

If need some of thease code back, create a test case for them.

src/Handlebars/Template.php

@@ -160,46 +160,8 @@ class Template
                 $buffer = rtrim($buffer);
             }
 
-            $tmp = '';
+            $tmp = $this->_renderInternal($current, $context);
-            switch ($current[Tokenizer::TYPE]) {
+
-            case Tokenizer::T_END_SECTION:
-                break; // Its here just for handling whitespace trim.
-            case Tokenizer::T_SECTION :
-                $newStack = isset($current[Tokenizer::NODES])
-                    ? $current[Tokenizer::NODES] : array();
-                array_push($this->_stack, array(0, $newStack, false));
-                $tmp = $this->_section($context, $current);
-                array_pop($this->_stack);
-                break;
-            case Tokenizer::T_INVERTED :
-                $newStack = isset($current[Tokenizer::NODES]) ?
-                    $current[Tokenizer::NODES] : array();
-                array_push($this->_stack, array(0, $newStack, false));
-                $tmp = $this->_inverted($context, $current);
-                array_pop($this->_stack);
-                break;
-            case Tokenizer::T_COMMENT :
-                $tmp = '';
-                break;
-            case Tokenizer::T_PARTIAL:
-            case Tokenizer::T_PARTIAL_2:
-                $tmp = $this->_partial($context, $current);
-                break;
-            case Tokenizer::T_UNESCAPED:
-            case Tokenizer::T_UNESCAPED_2:
-                $tmp = $this->_get($context, $current, false);
-                break;
-            case Tokenizer::T_ESCAPED:
-                $tmp = $this->_get($context, $current, true);
-                break;
-            case Tokenizer::T_TEXT:
-                $tmp = $current[Tokenizer::VALUE];
-                break;
-            default:
-                throw new \RuntimeException(
-                    'Invalid node type : ' . json_encode($current)
-                );
-            }
             if ($rTrim) {
                  $tmp = ltrim($tmp);
             }
@@ -222,6 +184,63 @@ class Template
         return $buffer;
     }
 
+    /**
+     * Render tokens base on type of tokens
+     *
+     * @param array $current current token
+     * @param mixed $context current context
+     *
+     * @return string
+     */
+    protected function _renderInternal($current, $context)
+    {
+        $result = '';
+        switch ($current[Tokenizer::TYPE]) {
+        case Tokenizer::T_END_SECTION:
+            break; // Its here just for handling whitespace trim.
+        case Tokenizer::T_SECTION :
+            $newStack = isset($current[Tokenizer::NODES])
+                ? $current[Tokenizer::NODES] : array();
+            array_push($this->_stack, array(0, $newStack, false));
+            $result = $this->_section($context, $current);
+            array_pop($this->_stack);
+            break;
+        case Tokenizer::T_INVERTED :
+            $newStack = isset($current[Tokenizer::NODES]) ?
+                $current[Tokenizer::NODES] : array();
+            array_push($this->_stack, array(0, $newStack, false));
+            $result = $this->_inverted($context, $current);
+            array_pop($this->_stack);
+            break;
+        case Tokenizer::T_COMMENT :
+            $result = '';
+            break;
+        case Tokenizer::T_PARTIAL:
+        case Tokenizer::T_PARTIAL_2:
+            $result = $this->_partial($context, $current);
+            break;
+        case Tokenizer::T_UNESCAPED:
+        case Tokenizer::T_UNESCAPED_2:
+            $result = $this->_get($context, $current, false);
+            break;
+        case Tokenizer::T_ESCAPED:
+            $result = $this->_get($context, $current, true);
+            break;
+        case Tokenizer::T_TEXT:
+            $result = $current[Tokenizer::VALUE];
+            break;
+            /* How we could have another type of token? this part of code
+            is not used at all.
+            default:
+                throw new \RuntimeException(
+                    'Invalid node type : ' . json_encode($current)
+                );
+            */
+        }
+
+        return $result;
+    }
+
     /**
      * Discard top tree
      *

src/Handlebars/Tokenizer.php

@@ -115,23 +115,24 @@ class Tokenizer
      * Scan and tokenize template source.
      *
      * @param string $text       Mustache template source to tokenize
-     * @param string $delimiters Optional, pass opening and closing delimiters
+     * @internal string $delimiters Optional, pass opening and closing delimiters
      *
      * @return array Set of Mustache tokens
      */
-    public function scan($text, $delimiters = null)
+    public function scan($text/*, $delimiters = null*/)
     {
         if ($text instanceof String) {
             $text = $text->getString();
         }
         $this->reset();
 
+        /* Actually we not support this. so this code is not used at all, yet.
         if ($delimiters = trim($delimiters)) {
             list($otag, $ctag) = explode(' ', $delimiters);
             $this->otag = $otag;
             $this->ctag = $ctag;
         }
-
+        */
         $len = strlen($text);
         for ($i = 0; $i < $len; $i++) {
 
@@ -148,14 +149,14 @@ class Tokenizer
 
             switch ($this->state) {
             case self::IN_TEXT:
-                if ($this->tagChange(self::T_UNESCAPED.$this->otag, $text, $i) and $this->escaped) {
+                if ($this->tagChange($this->otag. self::T_TRIM, $text, $i) and !$this->escaped) {
-                    $this->buffer .= "{{{";
-                    $i += 2;
-                    continue;
-                } elseif ($this->tagChange($this->otag. self::T_TRIM, $text, $i) and !$this->escaped) {
                     $this->flushBuffer();
                     $this->state = self::IN_TAG_TYPE;
                     $this->trimLeft = true;
+                } elseif ($this->tagChange(self::T_UNESCAPED.$this->otag, $text, $i) and $this->escaped) {
+                    $this->buffer .= "{{{";
+                    $i += 2;
+                    continue;
                 } elseif ($this->tagChange($this->otag, $text, $i) and !$this->escaped) {
                     $i--;
                     $this->flushBuffer();
@@ -238,7 +239,7 @@ class Tokenizer
                     if ($this->tagType == self::T_UNESCAPED) {
                         if ($this->ctag == '}}') {
                             $i++;
-                        } else {
+                        } /* else { // I can't remember why this part is here! the ctag is always }} and
                             // Clean up `{{{ tripleStache }}}` style tokens.
                             $lastIndex = count($this->tokens) - 1;
                             $lastName = $this->tokens[$lastIndex][self::NAME];
@@ -247,7 +248,7 @@ class Tokenizer
                                     substr($lastName, 0, -1)
                                 );
                             }
-                        }
+                        } */
                     }
                 } else {
                     $this->buffer .= $text[$i];

tests/Xamin/HandlebarsTest.php

@@ -160,7 +160,6 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
         );
     }
 
-
     /**
      * Test helpers (internal helpers)
      *
@@ -309,6 +308,11 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
                 array('data' => array('key' => 'result')),
                 'result'
             ),
+            array(
+                '{{= (( )) =}}((#if 1))OK((else))NO((/if))',
+                array(),
+                'OK'
+            )
         );
     }
 
@@ -367,11 +371,42 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('<strong>Test</strong>', $engine->render('{{safeStringTest}}', array()));
 
         $engine->addHelper('argsTest', function ($template, $context, $arg) {
-            $parsed_args = $template->parseArguments($arg);
+            $parsedArgs = $template->parseArguments($arg);
 
-            return implode(' ', $parsed_args);
+            return implode(' ', $parsedArgs);
         });
         $this->assertEquals("a \"b\" c", $engine->render('{{{argsTest "a" "\"b\"" \'c\'}}}', array()));
+
+        // This is just a fun thing to do :)
+        $that = $this;
+        $engine->addHelper('stopToken',
+            function ($template, $context, $arg) use ($that) {
+                /** @var $template \Handlebars\Template */
+                $parsedArgs = $template->parseArguments($arg);
+                $first = array_shift($parsedArgs);
+                $last = array_shift($parsedArgs);
+                if ($last == 'yes') {
+                    $template->setStopToken($first);
+                    $that->assertEquals($first, $template->getStopToken());
+                    $buffer = $template->render($context);
+                    $template->setStopToken(false);
+                    $template->discard($context);
+                } else {
+                    $template->setStopToken($first);
+                    $that->assertEquals($first, $template->getStopToken());
+                    $template->discard($context);
+                    $template->setStopToken(false);
+                    $buffer = $template->render($context);
+                }
+
+                return $buffer;
+            });
+
+        $this->assertEquals("Used", $engine->render('{{# stopToken fun no}}Not used{{ fun }}Used{{/stopToken }}', array()));
+        $this->assertEquals("Not used", $engine->render('{{# stopToken any yes}}Not used{{ any }}Used{{/stopToken }}', array()));
+
+        $this->setExpectedException('InvalidArgumentException');
+        $engine->getHelpers()->call('invalid', $engine->loadTemplate(''), new \Handlebars\Context(), '', '');
     }
 
     public function testInvalidHelperMustacheStyle()
@@ -400,6 +435,7 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('yes', $engine->render('{{#x}}yes{{/x}}', array('x' => true)));
         $this->assertEquals('', $engine->render('{{#x}}yes{{/x}}', array('x' => false)));
         $this->assertEquals('yes', $engine->render('{{^x}}yes{{/x}}', array('x' => false)));
+        $this->assertEquals('', $engine->render('{{^x}}yes{{/x}}', array('x' => true)));
         $this->assertEquals('1234', $engine->render('{{#x}}{{this}}{{/x}}', array('x' => array(1, 2, 3, 4))));
         $this->assertEquals('012', $engine->render('{{#x}}{{@index}}{{/x}}', array('x' => array('a', 'b', 'c'))));
         $this->assertEquals('abc', $engine->render('{{#x}}{{@key}}{{/x}}', array('x' => array('a' => 1, 'b' => 2, 'c' => 3))));
@@ -649,10 +685,8 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
         $obj = new DateTime();
         $time = $obj->getTimestamp();
         $this->assertEquals($time, $engine->render('{{time.getTimestamp}}', array('time' => $obj)));
-
     }
 
-
     public function testContext()
     {
         $test = new stdClass();
@@ -760,7 +794,6 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
             return (string)$a;
         }, $args);
         $this->assertEquals($args, $expected_array);
-
     }
 
     public function stringLiteralInCustomHelperProvider()
@@ -828,7 +861,6 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
                 $this->assertInstanceOf("InvalidArgumentException", $e);
             }
         }
-
     }
 
     /**
@@ -847,16 +879,24 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
 
         $engine->addHelper('add', function ($template, $context, $arg) {
             $values = explode(" ", $arg);
+
             return $values[0] + $values[1];
         });
 
         // assert that subexpression result is inserted correctly as argument to top level helper
         $this->assertEquals('42', $engine->render('{{add 21 (add 10 (add 5 6))}}', array()));
 
-
         // assert that bracketed expressions within string literals are treated correctly
         $this->assertEquals("'(test)'Test.", $engine->render("{{test '(test)'}}", array()));
         $this->assertEquals("')'Test.Test.", $engine->render("{{test (test ')')}}", array()));
     }
 
+    /**
+     * Delimiter change test
+     */
+    public function testDelimiterChange()
+    {
+        $engine = new \Handlebars\Handlebars();
+        //$engine->set
+    }
 }