debug

Author: theodorejb

src/Validator.php

@@ -25,6 +25,8 @@ public static function verify(Context $context, string $template): void
         Token::setDelimiter($context);
 
         while (preg_match($context->tokenSearch, $template, $matches)) {
+            var_dump($template); echo "\n";
+            var_dump($context->level);
             // Skip a token when it is slash escaped
             if ($matches[Token::POS_LSPACE] === '' && preg_match('/^(.*?)(\\\\+)$/s', $matches[Token::POS_LOTHER], $escmatch)) {
                 if (strlen($escmatch[2]) % 4) {
@@ -434,8 +436,12 @@ protected static function blockEnd(Context $context, array $vars, ?string $match
                 $elseChain = array_shift($context->elseLvl);
                 if (isset($elseChain[0])) {
                     // we need to repeat a level due to else chains: {{else if}}
+                    var_dump($elseChain);
                     $context->level++;
+                    var_dump($context->currentToken);
                     $context->currentToken[Token::POS_RSPACE] = $context->currentToken[Token::POS_BACKFILL] = '{{/' . implode('}}{{/', $elseChain) . '}}' . Token::toString($context->currentToken) . $context->currentToken[Token::POS_RSPACE];
+                    var_dump($context->currentToken);
+                    exit;
                     return Token::POS_BACKFILL;
                 }
                 // no break
@@ -444,6 +450,7 @@ protected static function blockEnd(Context $context, array $vars, ?string $match
                 [$levels, $spvar, $var] = Expression::analyze($vars[0]);
                 $v = Expression::toString($levels, $spvar, $var);
                 if ($pop2 !== $v) {
+                    var_dump($v, $pop2);
                     $context->error[] = 'Unexpect token ' . Token::toString($context->currentToken) . " ! Previous token {{{$pop}$pop2}} is not closed";
                     return false;
                 }

template.hbs

@@ -0,0 +1,15 @@
+{{#ifEquals @root.item "foo"}}
+    phooey
+{{else ifEquals @root.item "bar"}}
+    barry
+{{else}}
+    {{#if @root.item}}
+        {{#ifEquals @root.item "fizz"}}
+            fizzy
+        {{else ifEquals @root.item "buzz"}}
+            buzzy
+        {{else}}
+            no matches
+        {{/ifEquals}}
+    {{/if}}
+{{/ifEquals}}

test2.php

@@ -0,0 +1,33 @@
+<?php
+
+use DevTheorem\Handlebars\{Handlebars, HelperOptions, Options};
+
+require 'vendor/autoload.php';
+
+$file = file_get_contents('template.hbs');
+$templateString = $file;
+
+$code = Handlebars::precompile($templateString, new Options(
+    helpers: [
+        'ifEquals' => function (mixed $a, mixed $b, HelperOptions $options) {
+            $jsEquals = function (mixed $a, mixed $b): bool {
+                if ($a === null || $b === null) {
+                    // in JS, null is not equal to blank string or false or zero
+                    return $a === $b;
+                }
+
+                return $a == $b;
+            };
+
+            return $jsEquals($a, $b) ? $options->fn() : $options->inverse();
+        },
+    ],
+));
+
+echo $code . "\n\n";
+
+$template = Handlebars::template($code);
+
+echo $template([
+    'item' => 'buzz',
+]);