From 71a5add2e54c2cddf61db1af59c0653c2b763290 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Fri, 19 Oct 2012 03:32:22 -0500
Subject: move most of find_file into the compiler

---
 lib/Text/Handlebars.pm          |  8 ++++----
 lib/Text/Handlebars/Compiler.pm | 41 +++++++++++++++++++++++++++++++++++++----
 2 files changed, 41 insertions(+), 8 deletions(-)

diff --git a/lib/Text/Handlebars.pm b/lib/Text/Handlebars.pm
index 9e3f93c..947a336 100644
--- a/lib/Text/Handlebars.pm
+++ b/lib/Text/Handlebars.pm
@@ -143,12 +143,12 @@ sub _register_builtin_methods {
     my ($funcs) = @_;
 
     weaken(my $weakself = $self);
+    $funcs->{'(suffix)'} = sub {
+        return $weakself->{suffix};
+    };
     $funcs->{'(find_file)'} = sub {
         my ($filename) = @_;
-        return $filename if try { $weakself->find_file($filename); 1 };
-        $filename .= $weakself->{suffix};
-        return $filename if try { $weakself->find_file($filename); 1 };
-        return 0;
+        return try { $weakself->find_file($filename); 1 };
     };
     $funcs->{'(make_block_helper)'} = sub {
         my ($code, $raw_text, $else_raw_text, $hash) = @_;
diff --git a/lib/Text/Handlebars/Compiler.pm b/lib/Text/Handlebars/Compiler.pm
index 57a746a..4681d30 100644
--- a/lib/Text/Handlebars/Compiler.pm
+++ b/lib/Text/Handlebars/Compiler.pm
@@ -83,10 +83,7 @@ sub _generate_partial {
 
     return (
         $self->compile_ast(
-            $self->save_lvar(
-                $lvar_id,
-                $self->call($node, '(find_file)', $node->first->clone)
-            ),
+            $self->save_lvar($lvar_id, $self->find_file($node->first->clone)),
         ),
         $self->compile_ast(
             $self->make_ternary(
@@ -102,6 +99,42 @@ sub _generate_partial {
     );
 }
 
+sub find_file {
+    my $self = shift;
+    my ($filename) = @_;
+
+    return $filename->clone(
+        arity => 'find_file',
+        first => $filename,
+    );
+}
+
+sub _generate_find_file {
+    my $self = shift;
+    my ($node) = @_;
+
+    my $filename = $node->first;
+    my $with_suffix = $self->parser->symbol('~')->clone(
+        arity  => 'binary',
+        first  => $filename->clone,
+        second => $self->call($node, '(suffix)'),
+    );
+
+    return (
+        $self->compile_ast(
+            $self->make_ternary(
+                $self->call($node, '(find_file)', $filename->clone),
+                $filename->clone,
+                $self->make_ternary(
+                    $self->call($node, '(find_file)', $with_suffix->clone),
+                    $with_suffix->clone,
+                    $self->literal(''),
+                ),
+            ),
+        ),
+    );
+}
+
 sub _generate_for {
     my $self = shift;
     my ($node) = @_;
-- 
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