From 8bd0ffba439c1df2e98113dffbee5203fd004e6f Mon Sep 17 00:00:00 2001
From: spf13 <steve.francia@gmail.com>
Date: Fri, 17 Oct 2014 16:57:48 -0400
Subject: [PATCH] Initial Handler Architecture WIP

---
 hugolib/handlers/file.go     | 20 +++++++++++++++
 hugolib/handlers/handlers.go | 49 ++++++++++++++++++++++++++++++++++++
 hugolib/handlers/page.go     | 20 +++++++++++++++
 hugolib/site.go              |  8 ++++++
 4 files changed, 97 insertions(+)
 create mode 100644 hugolib/handlers/file.go
 create mode 100644 hugolib/handlers/handlers.go
 create mode 100644 hugolib/handlers/page.go

diff --git a/hugolib/handlers/file.go b/hugolib/handlers/file.go
new file mode 100644
index 000000000..d69ce063d
--- /dev/null
+++ b/hugolib/handlers/file.go
@@ -0,0 +1,20 @@
+// Copyright © 2014 Steve Francia <spf@spf13.com>.
+//
+// Licensed under the Simple Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://opensource.org/licenses/Simple-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package hugolib
+
+var Filer interface {
+	Read()
+	Render()
+	Convert()
+}
diff --git a/hugolib/handlers/handlers.go b/hugolib/handlers/handlers.go
new file mode 100644
index 000000000..c6c24a959
--- /dev/null
+++ b/hugolib/handlers/handlers.go
@@ -0,0 +1,49 @@
+// Copyright © 2014 Steve Francia <spf@spf13.com>.
+//
+// Licensed under the Simple Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://opensource.org/licenses/Simple-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package hugolib
+
+var Handler interface {
+	Read()
+	Render()
+	Convert()
+	Extensions()
+}
+
+var handlers []Handler
+
+func RegisterHandler(h Handler) {
+	handlers = append(handlers, h)
+}
+
+func Handlers() []Handler {
+	return handlers
+}
+
+func Handler(ext string) Handler {
+	for _, h := range Handlers() {
+		if h.Match(ext) {
+			return h
+		}
+	}
+	return nil
+}
+
+func (h Handler) Match(ext string) bool {
+	for _, x := range h.Extensions() {
+		if ext == x {
+			return true
+		}
+	}
+	return false
+}
diff --git a/hugolib/handlers/page.go b/hugolib/handlers/page.go
new file mode 100644
index 000000000..6d0545b4e
--- /dev/null
+++ b/hugolib/handlers/page.go
@@ -0,0 +1,20 @@
+// Copyright © 2014 Steve Francia <spf@spf13.com>.
+//
+// Licensed under the Simple Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://opensource.org/licenses/Simple-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package hugolib
+
+var Pager interface {
+	Read()
+	Render()
+	Convert()
+}
diff --git a/hugolib/site.go b/hugolib/site.go
index d24036eb3..9c96ff7c9 100644
--- a/hugolib/site.go
+++ b/hugolib/site.go
@@ -400,6 +400,14 @@ func (s *Site) CreatePages() error {
 func sourceReader(s *Site, files <-chan *source.File, results chan<- pageResult, wg *sync.WaitGroup) {
 	defer wg.Done()
 	for file := range files {
+		// TODO: Switch here on extension
+		h := handlers.Handler(file.Extension())
+		if h != nil {
+
+		} else {
+			jww.ERROR.Println("Unsupported File Type", file.Path())
+		}
+
 		page, err := NewPage(file.Path())
 		if err != nil {
 			results <- pageResult{nil, err}