Add Dates types rendering (#10)

Author: IlyaVshivtsev

Project.toml

@@ -1,8 +1,9 @@
 name = "Jinja2Cpp"
 uuid = "53d8605c-dcf1-482a-b927-58e959abfe3c"
-version = "0.1.3"
+version = "0.1.4"
 
 [deps]
+Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 jinja2cppwrapper_jll = "1834a480-2153-5a5f-b716-e106e053fa41"
 
 [compat]

src/Jinja2Value.jl

@@ -1,15 +1,18 @@
 #__ Jinja2Value
 
+using Dates
+
 abstract type Jinja2ValueType end
 
-struct Jinja2StringType <: Jinja2ValueType end
-struct Jinja2IntegerType <: Jinja2ValueType end
-struct Jinja2BoolType    <: Jinja2ValueType end
-struct Jinja2DoubleType  <: Jinja2ValueType end
-struct Jinja2ListType    <: Jinja2ValueType end
-struct Jinja2MapType     <: Jinja2ValueType end
-struct Jinja2EmptyType   <: Jinja2ValueType end
-struct Jinja2CustomType  <: Jinja2ValueType end
+struct Jinja2StringType   <: Jinja2ValueType end
+struct Jinja2IntegerType  <: Jinja2ValueType end
+struct Jinja2BoolType     <: Jinja2ValueType end
+struct Jinja2DoubleType   <: Jinja2ValueType end
+struct Jinja2ListType     <: Jinja2ValueType end
+struct Jinja2MapType      <: Jinja2ValueType end
+struct Jinja2EmptyType    <: Jinja2ValueType end
+struct Jinja2DateTimeType <: Jinja2ValueType end
+struct Jinja2CustomType   <: Jinja2ValueType end
 
 @inline Jinja2ValueType(::T) where {T} = Jinja2ValueType(T)
 @inline Jinja2ValueType(::Type{<:AbstractString}) = Jinja2StringType()
@@ -25,6 +28,7 @@ struct Jinja2CustomType  <: Jinja2ValueType end
 @inline Jinja2ValueType(::Type{<:AbstractDict}) = Jinja2MapType()
 @inline Jinja2ValueType(::Type{<:NamedTuple}) = Jinja2MapType()
 @inline Jinja2ValueType(::Type{<:Enum}) = Jinja2StringType()
+@inline Jinja2ValueType(::Type{<:TimeType}) = Jinja2DateTimeType()
 @inline Jinja2ValueType(::Type{<:Any}) = Jinja2CustomType()
 
 @inline function check_value_null(handle)
@@ -75,6 +79,10 @@ end
     return check_value_null(handle)
 end
 
+@inline function jinja_value(::Jinja2DateTimeType, x::TimeType)
+    return jinja_value(Jinja2StringType(), string(x))
+end
+
 @inline function jinja_value(::Jinja2EmptyType, ::Any)
     handle = jinja2cpp_value_create_empty()
     return check_value_null(handle)

test/Project.toml

@@ -1,2 +1,3 @@
 [deps]
+Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

test/runtests.jl

@@ -1,4 +1,5 @@
 using Test
+using Dates
 using Jinja2Cpp
 
 import Jinja2Cpp.Jinja2Wrapper:
@@ -245,4 +246,13 @@ end
         @test jinja2_render(tmpl_true,  FlagHolder(true))    == "Flag is ON"
         @test jinja2_render(tmpl_false, Dict("flag"=>false)) == "Flag is OFF"
     end
+
+    @testset "Case №11: Rendering with Dates values" begin
+        dt = now(UTC)
+        t = Time(dt)
+        d = Date(dt)
+        tmpl = Jinja2Template("Now is {{ t }}. Today is {{ d }}. Date and time: {{ dt }}")
+        @test jinja2_render(tmpl, Dict("t" => t, "d" => d, "dt" => dt)) ==
+            "Now is $(t). Today is $(d). Date and time: $(dt)"
+    end
 end