Add license headers

Licenseybird returns.

pkg/events/context.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 events
 
 import (

pkg/events/doc.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 events provides an event system for Helm.
  *
  * This is not a general purpose event framework. It is a system for handling Helm

pkg/events/events.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 events
 
 const (

pkg/events/events_test.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 events
 
 import (

pkg/events/lua/doc.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 lua provides Lua event handling bindings
 //
 // This package takes the Helm Go event system and extends it on into Lua. The

pkg/events/lua/emitter.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 lua
 
 import (

pkg/events/lua/emitter_test.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 lua
 
 import (

pkg/events/lua/load_scripts.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 lua
 
 import (

pkg/events/lua/load_scripts_test.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 lua
 
 import (

pkg/events/lua/luamatic.go

@@ -0,0 +1,107 @@
+/*
+Copyright 2018 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 lua
+
+/*
+
+import (
+	"reflect"
+
+	"github.com/yuin/gopher-lua"
+)
+
+// LuaTagName is the tag to be parsed as a Lua annotation
+// This is mutable for nefarious purposes.
+var LuaTagName = "lua"
+
+var ErrUnsupportedKind = errors.New("unsupported kind")
+
+func luamatic(name string, v interface{}, vm *lua.Lstate) error {
+	val := reflect.Indirect(reflect.ValueOf(v))
+	switch val.Kind() {
+	// TODO: are reflect.Interface, reflect.Ptr, and reflect.Uintptr okay?
+	// TODO: can Complex64/128 be represented by Lua
+	// TODO: is there any processing we need to do on maps, slices, and arrays?
+	case reflect.UnsafePointer, reflect.Chan, reflect.Invalid:
+		return ErrUnsupportedKind
+	case reflect.Struct:
+
+		// In this case, we create a UserData with associated metatable
+		mt := vm.NewTypeMetatable(name)
+		// Next we have to walk the struct and find the fields to add.
+		t := val.Type()
+		for i := 0; i < t.NumField(); i++ {
+			f := t.Field(i)
+			tag := gettag(&f)
+			iface := val.Field(i).Interface()
+			if tag.omit {
+				continue
+			}
+
+			// Now we have a struct tag on a field, and should make it accessible
+			// to Lua. Set value to Nil at this point
+		}
+		mt.SetField(mt, tag.name, lua.LNil)
+		vm.SetGlobal(name, mt)
+
+		ud := vm.NewUserData()
+		ud.Value = v
+		ud.SetMetatable(ud, vm.GetTypeMetatable(name))
+		vm.Push(ud)
+		return nil
+	default:
+		obj.Set(n, v)
+		for _, a := range aliases {
+			obj.Set(a, v)
+		}
+		return nil
+	}
+}
+
+func gettag(field *reflect.StructField) luaTag {
+	t := field.Tag.Get(LuaTagName)
+	if len(t) == 0 {
+		return luaTag{name: field.Name}
+	}
+
+	// We preserve the convention used by JSON, YAML, and other tags so that
+	// an evil library user can change LuaTagName to something and get rational
+	// output from this.
+	data := strings.Split(t, ",")
+	n := data[0]
+	if n == "-" {
+		return luaTag{name: field.Name, omit: true}
+	}
+	ot := luaTag{name: n}
+	if len(data) == 1 {
+		return ot
+	}
+	for _, k := range data[1:] {
+		switch item := k; {
+		case strings.HasPrefix(item, "alias="):
+			ot.aliases = append(ot.aliases, strings.TrimPrefix(item, "alias="))
+		}
+	}
+	return ot
+}
+
+type luaTag struct {
+	name    string
+	omit    bool
+	aliases []string
+}
+*/