Partials can be paths

Allows partials with slashes, a common partial syntax. For example:

    {{> shared/dude}}

lib/handlebars/compiler/ast.js

@@ -33,13 +33,10 @@ var Handlebars = require('./base');
     // pass or at runtime.
   };
 
-  Handlebars.AST.PartialNode = function(id, context) {
-    this.type    = "partial";
-
-    // TODO: disallow complex IDs
-
-    this.id      = id;
-    this.context = context;
+  Handlebars.AST.PartialNode = function(partialName, context) {
+    this.type         = "partial";
+    this.partialName  = partialName;
+    this.context      = context;
   };
 
   var verifyMatch = function(open, close) {
@@ -93,6 +90,11 @@ var Handlebars = require('./base');
     this.isSimple = parts.length === 1 && !this.isScoped && depth === 0;
   };
 
+  Handlebars.AST.PartialNameNode = function(name) {
+    this.type = "PARTIAL_NAME";
+    this.name = name;
+  };
+
   Handlebars.AST.DataNode = function(id) {
     this.type = "DATA";
     this.id = id;

lib/handlebars/compiler/compiler.js

@@ -160,7 +160,7 @@ Handlebars.JavaScriptCompiler = function() {};
     },
 
     partial: function(partial) {
-      var id = partial.id;
+      var partialName = partial.partialName;
       this.usePartial = true;
 
       if(partial.context) {
@@ -169,7 +169,7 @@ Handlebars.JavaScriptCompiler = function() {};
         this.opcode('push', 'depth0');
       }
 
-      this.opcode('invokePartial', id.original);
+      this.opcode('invokePartial', partialName.name);
       this.opcode('append');
     },
 

lib/handlebars/compiler/printer.js

@@ -72,7 +72,7 @@ Handlebars.PrintVisitor.prototype.mustache = function(mustache) {
 };
 
 Handlebars.PrintVisitor.prototype.partial = function(partial) {
-  var content = this.accept(partial.id);
+  var content = this.accept(partial.partialName);
   if(partial.context) { content = content + " " + this.accept(partial.context); }
   return this.pad("{{> " + content + " }}");
 };
@@ -111,6 +111,10 @@ Handlebars.PrintVisitor.prototype.ID = function(id) {
   }
 };
 
+Handlebars.PrintVisitor.prototype.PARTIAL_NAME = function(partialName) {
+    return "PARTIAL:" + partialName.name;
+};
+
 Handlebars.PrintVisitor.prototype.DATA = function(data) {
   return "@" + data.id;
 };

spec/parser_spec.rb

@@ -114,6 +114,10 @@ describe "Parser" do
       "@#{id}"
     end
 
+    def partial_name(name)
+      "PARTIAL:#{name}"
+    end
+
     def path(*parts)
       "PATH:#{parts.join("/")}"
     end
@@ -218,11 +222,15 @@ describe "Parser" do
   end
 
   it "parses a partial" do
-    ast_for("{{> foo }}").should == root { partial id("foo") }
+    ast_for("{{> foo }}").should == root { partial partial_name("foo") }
   end
 
   it "parses a partial with context" do
-    ast_for("{{> foo bar}}").should == root { partial id("foo"), id("bar") }
+    ast_for("{{> foo bar}}").should == root { partial partial_name("foo"), id("bar") }
+  end
+
+  it "parses a partial with a complex name" do
+    ast_for("{{> shared/partial}}").should == root { partial partial_name("shared/partial") }
   end
 
   it "parses a comment" do

spec/qunit_spec.js

@@ -521,11 +521,11 @@ test("GH-14: a partial preceding a selector", function() {
    shouldCompileToWithPartials(string, [hash, {}, {dude:dude}], true, "Dudes: Jeepers Creepers", "Regular selectors can follow a partial");
 });
 
-test("Partials with literal paths", function() {
-	var string = "Dudes: {{> [dude]}}";
+test("Partials with slash paths", function() {
+	var string = "Dudes: {{> shared/dude}}";
 	var dude = "{{name}}";
 	var hash = {name:"Jeepers", another_dude:"Creepers"};
-  shouldCompileToWithPartials(string, [hash, {}, {dude:dude}], true, "Dudes: Jeepers", "Partials can use literal paths");
+  shouldCompileToWithPartials(string, [hash, {}, {'shared/dude':dude}], true, "Dudes: Jeepers", "Partials can use literal paths");
 });
 
 suite("String literal parameters");

spec/tokenizer_spec.rb

@@ -132,24 +132,24 @@ describe "Tokenizer" do
     result[4].should be_token("CONTENT", " baz")
   end
 
-  it "tokenizes a partial as 'OPEN_PARTIAL ID CLOSE'" do
+  it "tokenizes a partial as 'OPEN_PARTIAL PARTIAL_NAME CLOSE'" do
     result = tokenize("{{> foo}}")
-    result.should match_tokens(%w(OPEN_PARTIAL ID CLOSE))
+    result.should match_tokens(%w(OPEN_PARTIAL PARTIAL_NAME CLOSE))
   end
 
-  it "tokenizes a partial with context as 'OPEN_PARTIAL ID ID CLOSE'" do
+  it "tokenizes a partial with context as 'OPEN_PARTIAL PARTIAL_NAME ID CLOSE'" do
     result = tokenize("{{> foo bar }}")
-    result.should match_tokens(%w(OPEN_PARTIAL ID ID CLOSE))
+    result.should match_tokens(%w(OPEN_PARTIAL PARTIAL_NAME ID CLOSE))
   end
 
-  it "tokenizes a partial without spaces as 'OPEN_PARTIAL ID CLOSE'" do
+  it "tokenizes a partial without spaces as 'OPEN_PARTIAL PARTIAL_NAME CLOSE'" do
     result = tokenize("{{>foo}}")
-    result.should match_tokens(%w(OPEN_PARTIAL ID CLOSE))
+    result.should match_tokens(%w(OPEN_PARTIAL PARTIAL_NAME CLOSE))
   end
 
-  it "tokenizes a partial space at the end as 'OPEN_PARTIAL ID CLOSE'" do
+  it "tokenizes a partial space at the end as 'OPEN_PARTIAL PARTIAL_NAME CLOSE'" do
     result = tokenize("{{>foo  }}")
-    result.should match_tokens(%w(OPEN_PARTIAL ID CLOSE))
+    result.should match_tokens(%w(OPEN_PARTIAL PARTIAL_NAME CLOSE))
   end
 
   it "tokenizes a comment as 'COMMENT'" do

src/handlebars.l

@@ -1,5 +1,5 @@
 
-%x mu emu com
+%x mu emu com par
 
 %%
 
@@ -19,7 +19,7 @@
 
 <com>[\s\S]*?"--}}"              { yytext = yytext.substr(0, yyleng-4); this.popState(); return 'COMMENT'; }
 
-<mu>"{{>"                        { return 'OPEN_PARTIAL'; }
+<mu>"{{>"                        { this.begin("par"); return 'OPEN_PARTIAL'; }
 <mu>"{{#"                        { return 'OPEN_BLOCK'; }
 <mu>"{{/"                        { return 'OPEN_ENDBLOCK'; }
 <mu>"{{^"                        { return 'OPEN_INVERSE'; }
@@ -46,6 +46,8 @@
 <mu>[a-zA-Z0-9_$-]+/[=}\s\/.]    { return 'ID'; }
 <mu>'['[^\]]*']'                 { yytext = yytext.substr(1, yyleng-2); return 'ID'; }
 <mu>.                            { return 'INVALID'; }
+<par>\s+                         { /*ignore whitespace*/ }
+<par>[a-zA-Z0-9_$-/]+            { this.popState(); return 'PARTIAL_NAME'; }
 
 <INITIAL,mu><<EOF>>              { return 'EOF'; }
 

src/handlebars.yy

@@ -45,8 +45,8 @@ mustache
 
 
 partial
-  : OPEN_PARTIAL path CLOSE { $$ = new yy.PartialNode($2); }
-  | OPEN_PARTIAL path path CLOSE { $$ = new yy.PartialNode($2, $3); }
+  : OPEN_PARTIAL partialName CLOSE { $$ = new yy.PartialNode($2); }
+  | OPEN_PARTIAL partialName path CLOSE { $$ = new yy.PartialNode($2, $3); }
   ;
 
 simpleInverse
@@ -91,6 +91,10 @@ hashSegment
   | ID EQUALS DATA { $$ = [$1, new yy.DataNode($3)]; }
   ;
 
+partialName
+  : PARTIAL_NAME { $$ = new yy.PartialNameNode($1); }
+  ;
+
 path
   : pathSegments { $$ = new yy.IdNode($1); }
   ;