Support variables from root context (#153)

* Support variables from root context

* Update spec_sections.jl

---------

Co-authored-by: tz-lom <nuzhdin.urii@gmail.com>

Project.toml

@@ -1,6 +1,6 @@
 name = "Mustache"
 uuid = "ffc61752-8dc7-55ee-8c37-f3e9cdd09e70"
-version = "1.0.16"
+version = "1.0.17"
 
 [deps]
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"

src/context.jl

@@ -65,23 +65,26 @@ function lookup(ctx::Context, key)
                 ## do something with "."
                 ## we use .[ind] to refer to value in parent of given index;
                 m = match(r"^\.\[(.*)\]$", key)
-                m === nothing && break
-
-                idx = m.captures[1]
-                vals = context.parent.view
-
-                # this has limited support for indices: "end", or a number, but no
-                # arithmetic, such as `end-1`.
-                ## This is for an iterable; rather than
-                ## limit the type, we let non-iterables error.
-                if true # isa(vals, AbstractVector)  || isa(vals, Tuple) # supports getindex(v, i)?
-                if idx == "end"
-                    value′ = AnIndex(-1, vals[end])
+
+
+                if m !== nothing
+                    idx = m.captures[1]
+                    vals = context.parent.view
+
+                    # this has limited support for indices: "end", or a number, but no
+                    # arithmetic, such as `end-1`.
+                    ## This is for an iterable; rather than
+                    ## limit the type, we let non-iterables error.
+                    if true # isa(vals, AbstractVector)  || isa(vals, Tuple) # supports getindex(v, i)?
+                        if idx == "end"
+                            value′ = AnIndex(-1, vals[end])
+                        else
+                            ind = Base.parse(Int, idx)
+                            value′ = AnIndex(ind, string(vals[ind]))
+                        end
+                    end
                 else
-                    ind = Base.parse(Int, idx)
-                    value′ = AnIndex(ind, string(vals[ind]))
-                end
-                    #break
+                    !global_lookup && break
                 end
             end
         end

test/spec_sections.jl

@@ -174,12 +174,12 @@ tpl = """| This Is
 """
 
 	## "\r\n" should be considered a newline for standalone tags.
-tpl = """|
-{{#boolean}}
-{{/boolean}}
+tpl = """|
+{{#boolean}}
+{{/boolean}}
 |"""
 
-	@test Mustache.render(tpl, Dict{Any,Any}("boolean"=>true)) == """|
+	@test Mustache.render(tpl, Dict{Any,Any}("boolean"=>true)) == """|
 |"""
 
 	## Standalone tags should not require a newline to precede them.
@@ -203,6 +203,12 @@ tpl = """#{{#boolean}}
 tpl = """|{{# boolean }}={{/ boolean }}|"""
 
 	@test Mustache.render(tpl, Dict{Any,Any}("boolean"=>true)) == """|=|"""
+
+
+	## Nested object fields should be accessible via global lookup
+tpl = """|{{# inner }}{{ field.subfield }}{{/ inner }} {{# inner }}{{ ~field.subfield }}{{/ inner }}|"""
+
+	@test Mustache.render(tpl, Dict{Any,Any}("inner"=>Dict("field"=>Dict("subfield"=>1)),"field"=>Dict("subfield"=>2))) == """|1 2|"""
 end