Support parameters for partials

Partials can now take params, hashes.

See handlebars-lang/handlebars.js#182 for detail.
(cherry picked from commit 7625f54)

Author: dmarcotte

handlebars/src/com/dmarcotte/handlebars/parsing/HbParsing.java

@@ -311,8 +311,8 @@ else if (builder.getTokenType() == OPEN_UNESCAPED) {
 
   /**
    * partial
-   * : OPEN_PARTIAL partialName CLOSE { $$ = new yy.PartialNode($2); }
-   * | OPEN_PARTIAL partialName path CLOSE { $$ = new yy.PartialNode($2, $3); }
+   * : OPEN_PARTIAL partialName param hash? CLOSE
+   * | OPEN_PARTIAL partialName hash? CLOSE
    * ;
    */
   protected void parsePartial(PsiBuilder builder) {
@@ -322,13 +322,22 @@ protected void parsePartial(PsiBuilder builder) {
 
     parsePartialName(builder);
 
-    // parse the optional path
-    PsiBuilder.Marker optionalPathMarker = builder.mark();
-    if (parsePath(builder)) {
-      optionalPathMarker.drop();
+    // parse the optional param
+    PsiBuilder.Marker optionalParamMarker = builder.mark();
+    if (parseParam(builder)) {
+      optionalParamMarker.drop();
+    }
+    else {
+      optionalParamMarker.rollbackTo();
+    }
+
+    // parse the optional hash
+    PsiBuilder.Marker optionalHashMarker = builder.mark();
+    if (parseHash(builder)) {
+      optionalHashMarker.drop();
     }
     else {
-      optionalPathMarker.rollbackTo();
+      optionalHashMarker.rollbackTo();
     }
 
     parseLeafTokenGreedy(builder, CLOSE);

handlebars/test/data/parser/ParsesPartialWithContextAndHash.hbs

@@ -0,0 +1 @@
+{{> foo bar bat=baz}}

handlebars/test/data/parser/ParsesPartialWithContextAndHash.txt

@@ -0,0 +1,26 @@
+HbFile:ParsesPartialWithContextAndHash.hbs
+  HbStatementsImpl(STATEMENTS)
+    HbPartialImpl(PARTIAL_STACHE)
+      HbPsiElementImpl([Hb] OPEN_PARTIAL)
+        PsiElement([Hb] OPEN_PARTIAL)('{{>')
+      PsiWhiteSpace(' ')
+      HbPartialNameImpl(PARTIAL_NAME)
+        HbPathImpl(PATH)
+          HbPsiElementImpl([Hb] ID)
+            PsiElement([Hb] ID)('foo')
+      PsiWhiteSpace(' ')
+      HbParamImpl(PARAM)
+        HbPathImpl(PATH)
+          HbPsiElementImpl([Hb] ID)
+            PsiElement([Hb] ID)('bar')
+      PsiWhiteSpace(' ')
+      HbPsiElementImpl([Hb] ID)
+        PsiElement([Hb] ID)('bat')
+      HbPsiElementImpl([Hb] EQUALS)
+        PsiElement([Hb] EQUALS)('=')
+      HbParamImpl(PARAM)
+        HbPathImpl(PATH)
+          HbPsiElementImpl([Hb] ID)
+            PsiElement([Hb] ID)('baz')
+      HbPsiElementImpl([Hb] CLOSE)
+        PsiElement([Hb] CLOSE)('}}')

handlebars/test/data/parser/ParsesPartialWithHash.hbs

@@ -0,0 +1 @@
+{{> foo bar=bat}}

handlebars/test/data/parser/ParsesPartialWithHash.txt

@@ -0,0 +1,21 @@
+HbFile:ParsesPartialWithHash.hbs
+  HbStatementsImpl(STATEMENTS)
+    HbPartialImpl(PARTIAL_STACHE)
+      HbPsiElementImpl([Hb] OPEN_PARTIAL)
+        PsiElement([Hb] OPEN_PARTIAL)('{{>')
+      PsiWhiteSpace(' ')
+      HbPartialNameImpl(PARTIAL_NAME)
+        HbPathImpl(PATH)
+          HbPsiElementImpl([Hb] ID)
+            PsiElement([Hb] ID)('foo')
+      PsiWhiteSpace(' ')
+      HbPsiElementImpl([Hb] ID)
+        PsiElement([Hb] ID)('bar')
+      HbPsiElementImpl([Hb] EQUALS)
+        PsiElement([Hb] EQUALS)('=')
+      HbParamImpl(PARAM)
+        HbPathImpl(PATH)
+          HbPsiElementImpl([Hb] ID)
+            PsiElement([Hb] ID)('bat')
+      HbPsiElementImpl([Hb] CLOSE)
+        PsiElement([Hb] CLOSE)('}}')

handlebars/test/data/parser/PartialWithContext.txt

@@ -9,8 +9,9 @@ HbFile:PartialWithContext.hbs
           HbPsiElementImpl([Hb] ID)
             PsiElement([Hb] ID)('foo')
       PsiWhiteSpace(' ')
-      HbPathImpl(PATH)
-        HbPsiElementImpl([Hb] ID)
-          PsiElement([Hb] ID)('bar')
+      HbParamImpl(PARAM)
+        HbPathImpl(PATH)
+          HbPsiElementImpl([Hb] ID)
+            PsiElement([Hb] ID)('bar')
       HbPsiElementImpl([Hb] CLOSE)
         PsiElement([Hb] CLOSE)('}}')

handlebars/test/src/com/dmarcotte/handlebars/parsing/HbLexerFreeFormTest.java

@@ -256,4 +256,10 @@ public void testDecimalNumberAsMustacheHashParam() {
     result.shouldMatchTokenTypes(OPEN, ID, WHITE_SPACE, ID, EQUALS, NUMBER, CLOSE);
     result.shouldMatchTokenContent("{{", "name", " ", "paramValue", "=", "10.1", "}}");
   }
+
+  public void testDataParamsForPartials() {
+    TokenizerResult result = tokenize("{{>foo @bar.baz}}");
+    result.shouldMatchTokenTypes(OPEN_PARTIAL, ID, WHITE_SPACE, DATA_PREFIX, ID, SEP, ID, CLOSE);
+    result.shouldMatchTokenContent("{{>", "foo", " ", "@", "bar", ".", "baz", "}}");
+  }
 }

handlebars/test/src/com/dmarcotte/handlebars/parsing/HbParserSpecTest.java

@@ -67,6 +67,14 @@ public void testPartialWithContext() {
     doTest(true);
   }
 
+  public void testParsesPartialWithHash() {
+    doTest(true);
+  }
+
+  public void testParsesPartialWithContextAndHash() {
+    doTest(true);
+  }
+
   public void testPartialWithComplexName() {
     doTest(true);
   }