Switch to dep for dependency management

vendor/github.com/BurntSushi/toml/.travis.yml

@@ -2,6 +2,10 @@ language: go
 go:
   - 1.1
   - 1.2
+  - 1.3
+  - 1.4
+  - 1.5
+  - 1.6
   - tip
 install:
   - go install ./...
@@ -9,4 +13,3 @@ install:
 script:
   - export PATH="$PATH:$HOME/gopath/bin"
   - make test
-

vendor/github.com/BurntSushi/toml/COMPATIBLE

@@ -1,3 +1,3 @@
 Compatible with TOML version
-[v0.2.0](https://github.com/mojombo/toml/blob/master/versions/toml-v0.2.0.md)
+[v0.4.0](https://github.com/toml-lang/toml/blob/v0.4.0/versions/en/toml-v0.4.0.md)
 

vendor/github.com/BurntSushi/toml/README.md

@@ -1,17 +1,17 @@
 ## TOML parser and encoder for Go with reflection
 
 TOML stands for Tom's Obvious, Minimal Language. This Go package provides a
-reflection interface similar to Go's standard library `json` and `xml` 
+reflection interface similar to Go's standard library `json` and `xml`
 packages. This package also supports the `encoding.TextUnmarshaler` and
-`encoding.TextMarshaler` interfaces so that you can define custom data 
+`encoding.TextMarshaler` interfaces so that you can define custom data
 representations. (There is an example of this below.)
 
-Spec: https://github.com/mojombo/toml
+Spec: https://github.com/toml-lang/toml
 
 Compatible with TOML version
-[v0.2.0](https://github.com/mojombo/toml/blob/master/versions/toml-v0.2.0.md)
+[v0.4.0](https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md)
 
-Documentation: http://godoc.org/github.com/BurntSushi/toml
+Documentation: https://godoc.org/github.com/BurntSushi/toml
 
 Installation:
 
@@ -26,8 +26,7 @@ go get github.com/BurntSushi/toml/cmd/tomlv
 tomlv some-toml-file.toml
 ```
 
-[![Build status](https://api.travis-ci.org/BurntSushi/toml.png)](https://travis-ci.org/BurntSushi/toml)
-
+[![Build Status](https://travis-ci.org/BurntSushi/toml.svg?branch=master)](https://travis-ci.org/BurntSushi/toml) [![GoDoc](https://godoc.org/github.com/BurntSushi/toml?status.svg)](https://godoc.org/github.com/BurntSushi/toml)
 
 ### Testing
 
@@ -87,7 +86,7 @@ type TOML struct {
 
 ### Using the `encoding.TextUnmarshaler` interface
 
-Here's an example that automatically parses duration strings into 
+Here's an example that automatically parses duration strings into
 `time.Duration` values:
 
 ```toml
@@ -120,7 +119,7 @@ for _, s := range favorites.Song {
 }
 ```
 
-And you'll also need a `duration` type that satisfies the 
+And you'll also need a `duration` type that satisfies the
 `encoding.TextUnmarshaler` interface:
 
 ```go
@@ -217,4 +216,3 @@ Note that a case insensitive match will be tried if an exact match can't be
 found.
 
 A working example of the above can be found in `_examples/example.{go,toml}`.
-

vendor/github.com/BurntSushi/toml/cmd/toml-test-decoder/COPYING

@@ -0,0 +1,14 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+

vendor/github.com/BurntSushi/toml/cmd/toml-test-encoder/COPYING

@@ -0,0 +1,14 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+

vendor/github.com/BurntSushi/toml/cmd/tomlv/COPYING

@@ -0,0 +1,14 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+

vendor/github.com/BurntSushi/toml/decode.go

@@ -10,7 +10,9 @@ import (
 	"time"
 )
 
-var e = fmt.Errorf
+func e(format string, args ...interface{}) error {
+	return fmt.Errorf("toml: "+format, args...)
+}
 
 // Unmarshaler is the interface implemented by objects that can unmarshal a
 // TOML description of themselves.
@@ -103,6 +105,13 @@ func (md *MetaData) PrimitiveDecode(primValue Primitive, v interface{}) error {
 // This decoder will not handle cyclic types. If a cyclic type is passed,
 // `Decode` will not terminate.
 func Decode(data string, v interface{}) (MetaData, error) {
+	rv := reflect.ValueOf(v)
+	if rv.Kind() != reflect.Ptr {
+		return MetaData{}, e("Decode of non-pointer %s", reflect.TypeOf(v))
+	}
+	if rv.IsNil() {
+		return MetaData{}, e("Decode of nil %s", reflect.TypeOf(v))
+	}
 	p, err := parse(data)
 	if err != nil {
 		return MetaData{}, err
@@ -111,7 +120,7 @@ func Decode(data string, v interface{}) (MetaData, error) {
 		p.mapping, p.types, p.ordered,
 		make(map[string]bool, len(p.ordered)), nil,
 	}
-	return md, md.unify(p.mapping, rvalue(v))
+	return md, md.unify(p.mapping, indirect(rv))
 }
 
 // DecodeFile is just like Decode, except it will automatically read the
@@ -211,7 +220,7 @@ func (md *MetaData) unify(data interface{}, rv reflect.Value) error {
 	case reflect.Interface:
 		// we only support empty interfaces.
 		if rv.NumMethod() > 0 {
-			return e("Unsupported type '%s'.", rv.Kind())
+			return e("unsupported type %s", rv.Type())
 		}
 		return md.unifyAnything(data, rv)
 	case reflect.Float32:
@@ -219,13 +228,17 @@ func (md *MetaData) unify(data interface{}, rv reflect.Value) error {
 	case reflect.Float64:
 		return md.unifyFloat64(data, rv)
 	}
-	return e("Unsupported type '%s'.", rv.Kind())
+	return e("unsupported type %s", rv.Kind())
 }
 
 func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error {
 	tmap, ok := mapping.(map[string]interface{})
 	if !ok {
-		return mismatch(rv, "map", mapping)
+		if mapping == nil {
+			return nil
+		}
+		return e("type mismatch for %s: expected table but found %T",
+			rv.Type().String(), mapping)
 	}
 
 	for key, datum := range tmap {
@@ -250,14 +263,13 @@ func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error {
 				md.decoded[md.context.add(key).String()] = true
 				md.context = append(md.context, key)
 				if err := md.unify(datum, subv); err != nil {
-					return e("Type mismatch for '%s.%s': %s",
-						rv.Type().String(), f.name, err)
+					return err
 				}
 				md.context = md.context[0 : len(md.context)-1]
 			} else if f.name != "" {
 				// Bad user! No soup for you!
-				return e("Field '%s.%s' is unexported, and therefore cannot "+
-					"be loaded with reflection.", rv.Type().String(), f.name)
+				return e("cannot write unexported field %s.%s",
+					rv.Type().String(), f.name)
 			}
 		}
 	}
@@ -267,6 +279,9 @@ func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error {
 func (md *MetaData) unifyMap(mapping interface{}, rv reflect.Value) error {
 	tmap, ok := mapping.(map[string]interface{})
 	if !ok {
+		if tmap == nil {
+			return nil
+		}
 		return badtype("map", mapping)
 	}
 	if rv.IsNil() {
@@ -292,6 +307,9 @@ func (md *MetaData) unifyMap(mapping interface{}, rv reflect.Value) error {
 func (md *MetaData) unifyArray(data interface{}, rv reflect.Value) error {
 	datav := reflect.ValueOf(data)
 	if datav.Kind() != reflect.Slice {
+		if !datav.IsValid() {
+			return nil
+		}
 		return badtype("slice", data)
 	}
 	sliceLen := datav.Len()
@@ -305,12 +323,16 @@ func (md *MetaData) unifyArray(data interface{}, rv reflect.Value) error {
 func (md *MetaData) unifySlice(data interface{}, rv reflect.Value) error {
 	datav := reflect.ValueOf(data)
 	if datav.Kind() != reflect.Slice {
+		if !datav.IsValid() {
+			return nil
+		}
 		return badtype("slice", data)
 	}
-	sliceLen := datav.Len()
-	if rv.IsNil() {
-		rv.Set(reflect.MakeSlice(rv.Type(), sliceLen, sliceLen))
+	n := datav.Len()
+	if rv.IsNil() || rv.Cap() < n {
+		rv.Set(reflect.MakeSlice(rv.Type(), n, n))
 	}
+	rv.SetLen(n)
 	return md.unifySliceArray(datav, rv)
 }
 
@@ -365,15 +387,15 @@ func (md *MetaData) unifyInt(data interface{}, rv reflect.Value) error {
 				// No bounds checking necessary.
 			case reflect.Int8:
 				if num < math.MinInt8 || num > math.MaxInt8 {
-					return e("Value '%d' is out of range for int8.", num)
+					return e("value %d is out of range for int8", num)
 				}
 			case reflect.Int16:
 				if num < math.MinInt16 || num > math.MaxInt16 {
-					return e("Value '%d' is out of range for int16.", num)
+					return e("value %d is out of range for int16", num)
 				}
 			case reflect.Int32:
 				if num < math.MinInt32 || num > math.MaxInt32 {
-					return e("Value '%d' is out of range for int32.", num)
+					return e("value %d is out of range for int32", num)
 				}
 			}
 			rv.SetInt(num)
@@ -384,15 +406,15 @@ func (md *MetaData) unifyInt(data interface{}, rv reflect.Value) error {
 				// No bounds checking necessary.
 			case reflect.Uint8:
 				if num < 0 || unum > math.MaxUint8 {
-					return e("Value '%d' is out of range for uint8.", num)
+					return e("value %d is out of range for uint8", num)
 				}
 			case reflect.Uint16:
 				if num < 0 || unum > math.MaxUint16 {
-					return e("Value '%d' is out of range for uint16.", num)
+					return e("value %d is out of range for uint16", num)
 				}
 			case reflect.Uint32:
 				if num < 0 || unum > math.MaxUint32 {
-					return e("Value '%d' is out of range for uint32.", num)
+					return e("value %d is out of range for uint32", num)
 				}
 			}
 			rv.SetUint(unum)
@@ -458,7 +480,7 @@ func rvalue(v interface{}) reflect.Value {
 // interest to us (like encoding.TextUnmarshaler).
 func indirect(v reflect.Value) reflect.Value {
 	if v.Kind() != reflect.Ptr {
-		if v.CanAddr() {
+		if v.CanSet() {
 			pv := v.Addr()
 			if _, ok := pv.Interface().(TextUnmarshaler); ok {
 				return pv
@@ -483,10 +505,5 @@ func isUnifiable(rv reflect.Value) bool {
 }
 
 func badtype(expected string, data interface{}) error {
-	return e("Expected %s but found '%T'.", expected, data)
-}
-
-func mismatch(user reflect.Value, expected string, data interface{}) error {
-	return e("Type mismatch for %s. Expected %s but found '%T'.",
-		user.Type().String(), expected, data)
+	return e("cannot load TOML value of type %T into a Go %s", data, expected)
 }

vendor/github.com/BurntSushi/toml/decode_meta.go

@@ -59,6 +59,28 @@ func (k Key) String() string {
 	return strings.Join(k, ".")
 }
 
+func (k Key) maybeQuotedAll() string {
+	var ss []string
+	for i := range k {
+		ss = append(ss, k.maybeQuoted(i))
+	}
+	return strings.Join(ss, ".")
+}
+
+func (k Key) maybeQuoted(i int) string {
+	quote := false
+	for _, c := range k[i] {
+		if !isBareKeyChar(c) {
+			quote = true
+			break
+		}
+	}
+	if quote {
+		return "\"" + strings.Replace(k[i], "\"", "\\\"", -1) + "\""
+	}
+	return k[i]
+}
+
 func (k Key) add(piece string) Key {
 	newKey := make(Key, len(k)+1)
 	copy(newKey, k)

vendor/github.com/BurntSushi/toml/doc.go

@@ -4,7 +4,7 @@ files via reflection. There is also support for delaying decoding with
 the Primitive type, and querying the set of keys in a TOML document with the
 MetaData type.
 
-The specification implemented: https://github.com/mojombo/toml
+The specification implemented: https://github.com/toml-lang/toml
 
 The sub-command github.com/BurntSushi/toml/cmd/tomlv can be used to verify
 whether a file is a valid TOML document. It can also be used to print the

vendor/github.com/BurntSushi/toml/encode.go

@@ -16,17 +16,17 @@ type tomlEncodeError struct{ error }
 
 var (
 	errArrayMixedElementTypes = errors.New(
-		"can't encode array with mixed element types")
+		"toml: cannot encode array with mixed element types")
 	errArrayNilElement = errors.New(
-		"can't encode array with nil element")
+		"toml: cannot encode array with nil element")
 	errNonString = errors.New(
-		"can't encode a map with non-string key type")
+		"toml: cannot encode a map with non-string key type")
 	errAnonNonStruct = errors.New(
-		"can't encode an anonymous field that is not a struct")
+		"toml: cannot encode an anonymous field that is not a struct")
 	errArrayNoTable = errors.New(
-		"TOML array element can't contain a table")
+		"toml: TOML array element cannot contain a table")
 	errNoKey = errors.New(
-		"top-level values must be a Go map or struct")
+		"toml: top-level values must be Go maps or structs")
 	errAnything = errors.New("") // used in testing
 )
 
@@ -118,7 +118,8 @@ func (enc *Encoder) encode(key Key, rv reflect.Value) {
 
 	k := rv.Kind()
 	switch k {
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32,
+		reflect.Int64,
 		reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32,
 		reflect.Uint64,
 		reflect.Float32, reflect.Float64, reflect.String, reflect.Bool:
@@ -147,7 +148,7 @@ func (enc *Encoder) encode(key Key, rv reflect.Value) {
 	case reflect.Struct:
 		enc.eTable(key, rv)
 	default:
-		panic(e("Unsupported type for key '%s': %s", key, k))
+		panic(e("unsupported type for key '%s': %s", key, k))
 	}
 }
 
@@ -159,7 +160,7 @@ func (enc *Encoder) eElement(rv reflect.Value) {
 		// Special case time.Time as a primitive. Has to come before
 		// TextMarshaler below because time.Time implements
 		// encoding.TextMarshaler, but we need to always use UTC.
-		enc.wf(v.In(time.FixedZone("UTC", 0)).Format("2006-01-02T15:04:05Z"))
+		enc.wf(v.UTC().Format("2006-01-02T15:04:05Z"))
 		return
 	case TextMarshaler:
 		// Special case. Use text marshaler if it's available for this value.
@@ -173,7 +174,8 @@ func (enc *Encoder) eElement(rv reflect.Value) {
 	switch rv.Kind() {
 	case reflect.Bool:
 		enc.wf(strconv.FormatBool(rv.Bool()))
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32,
+		reflect.Int64:
 		enc.wf(strconv.FormatInt(rv.Int(), 10))
 	case reflect.Uint, reflect.Uint8, reflect.Uint16,
 		reflect.Uint32, reflect.Uint64:
@@ -189,7 +191,7 @@ func (enc *Encoder) eElement(rv reflect.Value) {
 	case reflect.String:
 		enc.writeQuoted(rv.String())
 	default:
-		panic(e("Unexpected primitive type: %s", rv.Kind()))
+		panic(e("unexpected primitive type: %s", rv.Kind()))
 	}
 }
 
@@ -223,28 +225,28 @@ func (enc *Encoder) eArrayOfTables(key Key, rv reflect.Value) {
 	if len(key) == 0 {
 		encPanic(errNoKey)
 	}
-	panicIfInvalidKey(key, true)
 	for i := 0; i < rv.Len(); i++ {
 		trv := rv.Index(i)
 		if isNil(trv) {
 			continue
 		}
+		panicIfInvalidKey(key)
 		enc.newline()
-		enc.wf("%s[[%s]]", enc.indentStr(key), key.String())
+		enc.wf("%s[[%s]]", enc.indentStr(key), key.maybeQuotedAll())
 		enc.newline()
 		enc.eMapOrStruct(key, trv)
 	}
 }
 
 func (enc *Encoder) eTable(key Key, rv reflect.Value) {
+	panicIfInvalidKey(key)
 	if len(key) == 1 {
-		// Output an extra new line between top-level tables.
+		// Output an extra newline between top-level tables.
 		// (The newline isn't written if nothing else has been written though.)
 		enc.newline()
 	}
 	if len(key) > 0 {
-		panicIfInvalidKey(key, true)
-		enc.wf("%s[%s]", enc.indentStr(key), key.String())
+		enc.wf("%s[%s]", enc.indentStr(key), key.maybeQuotedAll())
 		enc.newline()
 	}
 	enc.eMapOrStruct(key, rv)
@@ -304,19 +306,36 @@ func (enc *Encoder) eStruct(key Key, rv reflect.Value) {
 	addFields = func(rt reflect.Type, rv reflect.Value, start []int) {
 		for i := 0; i < rt.NumField(); i++ {
 			f := rt.Field(i)
-			// skip unexporded fields
-			if f.PkgPath != "" {
+			// skip unexported fields
+			if f.PkgPath != "" && !f.Anonymous {
 				continue
 			}
 			frv := rv.Field(i)
 			if f.Anonymous {
-				frv := eindirect(frv)
-				t := frv.Type()
-				if t.Kind() != reflect.Struct {
-					encPanic(errAnonNonStruct)
+				t := f.Type
+				switch t.Kind() {
+				case reflect.Struct:
+					// Treat anonymous struct fields with
+					// tag names as though they are not
+					// anonymous, like encoding/json does.
+					if getOptions(f.Tag).name == "" {
+						addFields(t, frv, f.Index)
+						continue
+					}
+				case reflect.Ptr:
+					if t.Elem().Kind() == reflect.Struct &&
+						getOptions(f.Tag).name == "" {
+						if !frv.IsNil() {
+							addFields(t.Elem(), frv.Elem(), f.Index)
+						}
+						continue
+					}
+					// Fall through to the normal field encoding logic below
+					// for non-struct anonymous fields.
 				}
-				addFields(t, frv, f.Index)
-			} else if typeIsHash(tomlTypeOfGo(frv)) {
+			}
+
+			if typeIsHash(tomlTypeOfGo(frv)) {
 				fieldsSub = append(fieldsSub, append(start, f.Index...))
 			} else {
 				fieldsDirect = append(fieldsDirect, append(start, f.Index...))
@@ -334,13 +353,21 @@ func (enc *Encoder) eStruct(key Key, rv reflect.Value) {
 				continue
 			}
 
-			keyName := sft.Tag.Get("toml")
-			if keyName == "-" {
+			opts := getOptions(sft.Tag)
+			if opts.skip {
 				continue
 			}
-			if keyName == "" {
-				keyName = sft.Name
+			keyName := sft.Name
+			if opts.name != "" {
+				keyName = opts.name
 			}
+			if opts.omitempty && isEmpty(sf) {
+				continue
+			}
+			if opts.omitzero && isZero(sf) {
+				continue
+			}
+
 			enc.encode(key.add(keyName), sf)
 		}
 	}
@@ -348,10 +375,10 @@ func (enc *Encoder) eStruct(key Key, rv reflect.Value) {
 	writeFields(fieldsSub)
 }
 
-// tomlTypeName returns the TOML type name of the Go value's type. It is used to
-// determine whether the types of array elements are mixed (which is forbidden).
-// If the Go value is nil, then it is illegal for it to be an array element, and
-// valueIsNil is returned as true.
+// tomlTypeName returns the TOML type name of the Go value's type. It is
+// used to determine whether the types of array elements are mixed (which is
+// forbidden). If the Go value is nil, then it is illegal for it to be an array
+// element, and valueIsNil is returned as true.
 
 // Returns the TOML type of a Go value. The type may be `nil`, which means
 // no concrete TOML type could be found.
@@ -362,7 +389,8 @@ func tomlTypeOfGo(rv reflect.Value) tomlType {
 	switch rv.Kind() {
 	case reflect.Bool:
 		return tomlBool
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32,
+		reflect.Int64,
 		reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32,
 		reflect.Uint64:
 		return tomlInteger
@@ -371,9 +399,8 @@ func tomlTypeOfGo(rv reflect.Value) tomlType {
 	case reflect.Array, reflect.Slice:
 		if typeEqual(tomlHash, tomlArrayType(rv)) {
 			return tomlArrayHash
-		} else {
-			return tomlArray
 		}
+		return tomlArray
 	case reflect.Ptr, reflect.Interface:
 		return tomlTypeOfGo(rv.Elem())
 	case reflect.String:
@@ -430,6 +457,54 @@ func tomlArrayType(rv reflect.Value) tomlType {
 	return firstType
 }
 
+type tagOptions struct {
+	skip      bool // "-"
+	name      string
+	omitempty bool
+	omitzero  bool
+}
+
+func getOptions(tag reflect.StructTag) tagOptions {
+	t := tag.Get("toml")
+	if t == "-" {
+		return tagOptions{skip: true}
+	}
+	var opts tagOptions
+	parts := strings.Split(t, ",")
+	opts.name = parts[0]
+	for _, s := range parts[1:] {
+		switch s {
+		case "omitempty":
+			opts.omitempty = true
+		case "omitzero":
+			opts.omitzero = true
+		}
+	}
+	return opts
+}
+
+func isZero(rv reflect.Value) bool {
+	switch rv.Kind() {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return rv.Int() == 0
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		return rv.Uint() == 0
+	case reflect.Float32, reflect.Float64:
+		return rv.Float() == 0.0
+	}
+	return false
+}
+
+func isEmpty(rv reflect.Value) bool {
+	switch rv.Kind() {
+	case reflect.Array, reflect.Slice, reflect.Map, reflect.String:
+		return rv.Len() == 0
+	case reflect.Bool:
+		return !rv.Bool()
+	}
+	return false
+}
+
 func (enc *Encoder) newline() {
 	if enc.hasWritten {
 		enc.wf("\n")
@@ -440,8 +515,8 @@ func (enc *Encoder) keyEqElement(key Key, val reflect.Value) {
 	if len(key) == 0 {
 		encPanic(errNoKey)
 	}
-	panicIfInvalidKey(key, false)
-	enc.wf("%s%s = ", enc.indentStr(key), key[len(key)-1])
+	panicIfInvalidKey(key)
+	enc.wf("%s%s = ", enc.indentStr(key), key.maybeQuoted(len(key)-1))
 	enc.eElement(val)
 	enc.newline()
 }
@@ -479,37 +554,15 @@ func isNil(rv reflect.Value) bool {
 	}
 }
 
-func panicIfInvalidKey(key Key, hash bool) {
-	if hash {
-		for _, k := range key {
-			if !isValidTableName(k) {
-				encPanic(e("Key '%s' is not a valid table name. Table names "+
-					"cannot contain '[', ']' or '.'.", key.String()))
-			}
-		}
-	} else {
-		if !isValidKeyName(key[len(key)-1]) {
-			encPanic(e("Key '%s' is not a name. Key names "+
-				"cannot contain whitespace.", key.String()))
+func panicIfInvalidKey(key Key) {
+	for _, k := range key {
+		if len(k) == 0 {
+			encPanic(e("Key '%s' is not a valid table name. Key names "+
+				"cannot be empty.", key.maybeQuotedAll()))
 		}
 	}
 }
 
-func isValidTableName(s string) bool {
-	if len(s) == 0 {
-		return false
-	}
-	for _, r := range s {
-		if r == '[' || r == ']' || r == '.' {
-			return false
-		}
-	}
-	return true
-}
-
 func isValidKeyName(s string) bool {
-	if len(s) == 0 {
-		return false
-	}
-	return true
+	return len(s) != 0
 }

vendor/github.com/BurntSushi/toml/encoding_types.go

@@ -14,6 +14,6 @@ import (
 // so that Go 1.1 can be supported.
 type TextMarshaler encoding.TextMarshaler
 
-// TextUnmarshaler is a synonym for encoding.TextUnmarshaler. It is defined here
-// so that Go 1.1 can be supported.
+// TextUnmarshaler is a synonym for encoding.TextUnmarshaler. It is defined
+// here so that Go 1.1 can be supported.
 type TextUnmarshaler encoding.TextUnmarshaler

vendor/github.com/BurntSushi/toml/encoding_types_1.1.go

@@ -11,8 +11,8 @@ type TextMarshaler interface {
 	MarshalText() (text []byte, err error)
 }
 
-// TextUnmarshaler is a synonym for encoding.TextUnmarshaler. It is defined here
-// so that Go 1.1 can be supported.
+// TextUnmarshaler is a synonym for encoding.TextUnmarshaler. It is defined
+// here so that Go 1.1 can be supported.
 type TextUnmarshaler interface {
 	UnmarshalText(text []byte) error
 }

vendor/github.com/BurntSushi/toml/parse.go

@@ -2,7 +2,6 @@ package toml
 
 import (
 	"fmt"
-	"log"
 	"strconv"
 	"strings"
 	"time"
@@ -67,7 +66,7 @@ func parse(data string) (p *parser, err error) {
 }
 
 func (p *parser) panicf(format string, v ...interface{}) {
-	msg := fmt.Sprintf("Near line %d, key '%s': %s",
+	msg := fmt.Sprintf("Near line %d (last key parsed '%s'): %s",
 		p.approxLine, p.current(), fmt.Sprintf(format, v...))
 	panic(parseError(msg))
 }
@@ -75,13 +74,13 @@ func (p *parser) panicf(format string, v ...interface{}) {
 func (p *parser) next() item {
 	it := p.lx.nextItem()
 	if it.typ == itemError {
-		p.panicf("Near line %d: %s", it.line, it.val)
+		p.panicf("%s", it.val)
 	}
 	return it
 }
 
 func (p *parser) bug(format string, v ...interface{}) {
-	log.Fatalf("BUG: %s\n\n", fmt.Sprintf(format, v...))
+	panic(fmt.Sprintf("BUG: "+format+"\n\n", v...))
 }
 
 func (p *parser) expect(typ itemType) item {
@@ -102,12 +101,12 @@ func (p *parser) topLevel(item item) {
 		p.approxLine = item.line
 		p.expect(itemText)
 	case itemTableStart:
-		kg := p.expect(itemText)
+		kg := p.next()
 		p.approxLine = kg.line
 
-		key := make(Key, 0)
-		for ; kg.typ == itemText; kg = p.next() {
-			key = append(key, kg.val)
+		var key Key
+		for ; kg.typ != itemTableEnd && kg.typ != itemEOF; kg = p.next() {
+			key = append(key, p.keyString(kg))
 		}
 		p.assertEqual(itemTableEnd, kg.typ)
 
@@ -115,12 +114,12 @@ func (p *parser) topLevel(item item) {
 		p.setType("", tomlHash)
 		p.ordered = append(p.ordered, key)
 	case itemArrayTableStart:
-		kg := p.expect(itemText)
+		kg := p.next()
 		p.approxLine = kg.line
 
-		key := make(Key, 0)
-		for ; kg.typ == itemText; kg = p.next() {
-			key = append(key, kg.val)
+		var key Key
+		for ; kg.typ != itemArrayTableEnd && kg.typ != itemEOF; kg = p.next() {
+			key = append(key, p.keyString(kg))
 		}
 		p.assertEqual(itemArrayTableEnd, kg.typ)
 
@@ -128,29 +127,44 @@ func (p *parser) topLevel(item item) {
 		p.setType("", tomlArrayHash)
 		p.ordered = append(p.ordered, key)
 	case itemKeyStart:
-		kname := p.expect(itemText)
-		p.currentKey = kname.val
+		kname := p.next()
 		p.approxLine = kname.line
+		p.currentKey = p.keyString(kname)
 
 		val, typ := p.value(p.next())
 		p.setValue(p.currentKey, val)
 		p.setType(p.currentKey, typ)
 		p.ordered = append(p.ordered, p.context.add(p.currentKey))
-
 		p.currentKey = ""
 	default:
 		p.bug("Unexpected type at top level: %s", item.typ)
 	}
 }
 
+// Gets a string for a key (or part of a key in a table name).
+func (p *parser) keyString(it item) string {
+	switch it.typ {
+	case itemText:
+		return it.val
+	case itemString, itemMultilineString,
+		itemRawString, itemRawMultilineString:
+		s, _ := p.value(it)
+		return s.(string)
+	default:
+		p.bug("Unexpected key type: %s", it.typ)
+		panic("unreachable")
+	}
+}
+
 // value translates an expected value from the lexer into a Go value wrapped
 // as an empty interface.
 func (p *parser) value(it item) (interface{}, tomlType) {
 	switch it.typ {
 	case itemString:
-		return p.replaceUnicode(replaceEscapes(it.val)), p.typeOfPrimitive(it)
+		return p.replaceEscapes(it.val), p.typeOfPrimitive(it)
 	case itemMultilineString:
-		return p.replaceUnicode(replaceEscapes(stripFirstNewline(stripEscapedWhitespace(it.val)))), p.typeOfPrimitive(it)
+		trimmed := stripFirstNewline(stripEscapedWhitespace(it.val))
+		return p.replaceEscapes(trimmed), p.typeOfPrimitive(it)
 	case itemRawString:
 		return it.val, p.typeOfPrimitive(it)
 	case itemRawMultilineString:
@@ -164,10 +178,18 @@ func (p *parser) value(it item) (interface{}, tomlType) {
 		}
 		p.bug("Expected boolean value, but got '%s'.", it.val)
 	case itemInteger:
-		num, err := strconv.ParseInt(it.val, 10, 64)
+		if !numUnderscoresOK(it.val) {
+			p.panicf("Invalid integer %q: underscores must be surrounded by digits",
+				it.val)
+		}
+		val := strings.Replace(it.val, "_", "", -1)
+		num, err := strconv.ParseInt(val, 10, 64)
 		if err != nil {
-			// See comment below for floats describing why we make a
-			// distinction between a bug and a user error.
+			// Distinguish integer values. Normally, it'd be a bug if the lexer
+			// provides an invalid integer, but it's possible that the number is
+			// out of range of valid values (which the lexer cannot determine).
+			// So mark the former as a bug but the latter as a legitimate user
+			// error.
 			if e, ok := err.(*strconv.NumError); ok &&
 				e.Err == strconv.ErrRange {
 
@@ -179,29 +201,57 @@ func (p *parser) value(it item) (interface{}, tomlType) {
 		}
 		return num, p.typeOfPrimitive(it)
 	case itemFloat:
-		num, err := strconv.ParseFloat(it.val, 64)
+		parts := strings.FieldsFunc(it.val, func(r rune) bool {
+			switch r {
+			case '.', 'e', 'E':
+				return true
+			}
+			return false
+		})
+		for _, part := range parts {
+			if !numUnderscoresOK(part) {
+				p.panicf("Invalid float %q: underscores must be "+
+					"surrounded by digits", it.val)
+			}
+		}
+		if !numPeriodsOK(it.val) {
+			// As a special case, numbers like '123.' or '1.e2',
+			// which are valid as far as Go/strconv are concerned,
+			// must be rejected because TOML says that a fractional
+			// part consists of '.' followed by 1+ digits.
+			p.panicf("Invalid float %q: '.' must be followed "+
+				"by one or more digits", it.val)
+		}
+		val := strings.Replace(it.val, "_", "", -1)
+		num, err := strconv.ParseFloat(val, 64)
 		if err != nil {
-			// Distinguish float values. Normally, it'd be a bug if the lexer
-			// provides an invalid float, but it's possible that the float is
-			// out of range of valid values (which the lexer cannot determine).
-			// So mark the former as a bug but the latter as a legitimate user
-			// error.
-			//
-			// This is also true for integers.
 			if e, ok := err.(*strconv.NumError); ok &&
 				e.Err == strconv.ErrRange {
 
 				p.panicf("Float '%s' is out of the range of 64-bit "+
 					"IEEE-754 floating-point numbers.", it.val)
 			} else {
-				p.bug("Expected float value, but got '%s'.", it.val)
+				p.panicf("Invalid float value: %q", it.val)
 			}
 		}
 		return num, p.typeOfPrimitive(it)
 	case itemDatetime:
-		t, err := time.Parse("2006-01-02T15:04:05Z", it.val)
-		if err != nil {
-			p.bug("Expected Zulu formatted DateTime, but got '%s'.", it.val)
+		var t time.Time
+		var ok bool
+		var err error
+		for _, format := range []string{
+			"2006-01-02T15:04:05Z07:00",
+			"2006-01-02T15:04:05",
+			"2006-01-02",
+		} {
+			t, err = time.ParseInLocation(format, it.val, time.Local)
+			if err == nil {
+				ok = true
+				break
+			}
+		}
+		if !ok {
+			p.panicf("Invalid TOML Datetime: %q.", it.val)
 		}
 		return t, p.typeOfPrimitive(it)
 	case itemArray:
@@ -219,11 +269,75 @@ func (p *parser) value(it item) (interface{}, tomlType) {
 			types = append(types, typ)
 		}
 		return array, p.typeOfArray(types)
+	case itemInlineTableStart:
+		var (
+			hash         = make(map[string]interface{})
+			outerContext = p.context
+			outerKey     = p.currentKey
+		)
+
+		p.context = append(p.context, p.currentKey)
+		p.currentKey = ""
+		for it := p.next(); it.typ != itemInlineTableEnd; it = p.next() {
+			if it.typ != itemKeyStart {
+				p.bug("Expected key start but instead found %q, around line %d",
+					it.val, p.approxLine)
+			}
+			if it.typ == itemCommentStart {
+				p.expect(itemText)
+				continue
+			}
+
+			// retrieve key
+			k := p.next()
+			p.approxLine = k.line
+			kname := p.keyString(k)
+
+			// retrieve value
+			p.currentKey = kname
+			val, typ := p.value(p.next())
+			// make sure we keep metadata up to date
+			p.setType(kname, typ)
+			p.ordered = append(p.ordered, p.context.add(p.currentKey))
+			hash[kname] = val
+		}
+		p.context = outerContext
+		p.currentKey = outerKey
+		return hash, tomlHash
 	}
 	p.bug("Unexpected value type: %s", it.typ)
 	panic("unreachable")
 }
 
+// numUnderscoresOK checks whether each underscore in s is surrounded by
+// characters that are not underscores.
+func numUnderscoresOK(s string) bool {
+	accept := false
+	for _, r := range s {
+		if r == '_' {
+			if !accept {
+				return false
+			}
+			accept = false
+			continue
+		}
+		accept = true
+	}
+	return accept
+}
+
+// numPeriodsOK checks whether every period in s is followed by a digit.
+func numPeriodsOK(s string) bool {
+	period := false
+	for _, r := range s {
+		if period && !isDigit(r) {
+			return false
+		}
+		period = r == '.'
+	}
+	return !period
+}
+
 // establishContext sets the current context of the parser,
 // where the context is either a hash or an array of hashes. Which one is
 // set depends on the value of the `array` parameter.
@@ -359,7 +473,8 @@ func (p *parser) addImplicit(key Key) {
 	p.implicits[key.String()] = true
 }
 
-// removeImplicit stops tagging the given key as having been implicitly created.
+// removeImplicit stops tagging the given key as having been implicitly
+// created.
 func (p *parser) removeImplicit(key Key) {
 	p.implicits[key.String()] = false
 }
@@ -381,64 +496,97 @@ func (p *parser) current() string {
 	return fmt.Sprintf("%s.%s", p.context, p.currentKey)
 }
 
-func replaceEscapes(s string) string {
-	return strings.NewReplacer(
-		"\\b", "\u0008",
-		"\\t", "\u0009",
-		"\\n", "\u000A",
-		"\\f", "\u000C",
-		"\\r", "\u000D",
-		"\\\"", "\u0022",
-		"\\/", "\u002F",
-		"\\\\", "\u005C",
-	).Replace(s)
-}
-
 func stripFirstNewline(s string) string {
 	if len(s) == 0 || s[0] != '\n' {
 		return s
 	}
-
-	return s[1:len(s)]
+	return s[1:]
 }
 
 func stripEscapedWhitespace(s string) string {
 	esc := strings.Split(s, "\\\n")
-
 	if len(esc) > 1 {
 		for i := 1; i < len(esc); i++ {
 			esc[i] = strings.TrimLeftFunc(esc[i], unicode.IsSpace)
 		}
 	}
-
 	return strings.Join(esc, "")
 }
 
-func (p *parser) replaceUnicode(s string) string {
-	indexEsc := func() int {
-		return strings.Index(s, "\\u")
+func (p *parser) replaceEscapes(str string) string {
+	var replaced []rune
+	s := []byte(str)
+	r := 0
+	for r < len(s) {
+		if s[r] != '\\' {
+			c, size := utf8.DecodeRune(s[r:])
+			r += size
+			replaced = append(replaced, c)
+			continue
+		}
+		r += 1
+		if r >= len(s) {
+			p.bug("Escape sequence at end of string.")
+			return ""
+		}
+		switch s[r] {
+		default:
+			p.bug("Expected valid escape code after \\, but got %q.", s[r])
+			return ""
+		case 'b':
+			replaced = append(replaced, rune(0x0008))
+			r += 1
+		case 't':
+			replaced = append(replaced, rune(0x0009))
+			r += 1
+		case 'n':
+			replaced = append(replaced, rune(0x000A))
+			r += 1
+		case 'f':
+			replaced = append(replaced, rune(0x000C))
+			r += 1
+		case 'r':
+			replaced = append(replaced, rune(0x000D))
+			r += 1
+		case '"':
+			replaced = append(replaced, rune(0x0022))
+			r += 1
+		case '\\':
+			replaced = append(replaced, rune(0x005C))
+			r += 1
+		case 'u':
+			// At this point, we know we have a Unicode escape of the form
+			// `uXXXX` at [r, r+5). (Because the lexer guarantees this
+			// for us.)
+			escaped := p.asciiEscapeToUnicode(s[r+1 : r+5])
+			replaced = append(replaced, escaped)
+			r += 5
+		case 'U':
+			// At this point, we know we have a Unicode escape of the form
+			// `uXXXX` at [r, r+9). (Because the lexer guarantees this
+			// for us.)
+			escaped := p.asciiEscapeToUnicode(s[r+1 : r+9])
+			replaced = append(replaced, escaped)
+			r += 9
+		}
 	}
-	for i := indexEsc(); i != -1; i = indexEsc() {
-		asciiBytes := s[i+2 : i+6]
-		s = strings.Replace(s, s[i:i+6], p.asciiEscapeToUnicode(asciiBytes), -1)
-	}
-	return s
+	return string(replaced)
 }
 
-func (p *parser) asciiEscapeToUnicode(s string) string {
+func (p *parser) asciiEscapeToUnicode(bs []byte) rune {
+	s := string(bs)
 	hex, err := strconv.ParseUint(strings.ToLower(s), 16, 32)
 	if err != nil {
 		p.bug("Could not parse '%s' as a hexadecimal number, but the "+
 			"lexer claims it's OK: %s", s, err)
 	}
-
-	// BUG(burntsushi)
-	// I honestly don't understand how this works. I can't seem
-	// to find a way to make this fail. I figured this would fail on invalid
-	// UTF-8 characters like U+DCFF, but it doesn't.
-	r := string(rune(hex))
-	if !utf8.ValidString(r) {
+	if !utf8.ValidRune(rune(hex)) {
 		p.panicf("Escaped character '\\u%s' is not valid UTF-8.", s)
 	}
-	return string(r)
+	return rune(hex)
+}
+
+func isStringType(ty itemType) bool {
+	return ty == itemString || ty == itemMultilineString ||
+		ty == itemRawString || ty == itemRawMultilineString
 }

vendor/github.com/BurntSushi/toml/type_check.go

@@ -83,8 +83,8 @@ func (p *parser) typeOfArray(types []tomlType) tomlType {
 	theType := types[0]
 	for _, t := range types[1:] {
 		if !typeEqual(theType, t) {
-			p.panicf("Array contains values of type '%s' and '%s', but arrays "+
-				"must be homogeneous.", theType, t)
+			p.panicf("Array contains values of type '%s' and '%s', but "+
+				"arrays must be homogeneous.", theType, t)
 		}
 	}
 	return tomlArray

vendor/github.com/BurntSushi/toml/type_fields.go

@@ -92,11 +92,11 @@ func typeFields(t reflect.Type) []field {
 			// Scan f.typ for fields to include.
 			for i := 0; i < f.typ.NumField(); i++ {
 				sf := f.typ.Field(i)
-				if sf.PkgPath != "" { // unexported
+				if sf.PkgPath != "" && !sf.Anonymous { // unexported
 					continue
 				}
-				name := sf.Tag.Get("toml")
-				if name == "-" {
+				opts := getOptions(sf.Tag)
+				if opts.skip {
 					continue
 				}
 				index := make([]int, len(f.index)+1)
@@ -110,8 +110,9 @@ func typeFields(t reflect.Type) []field {
 				}
 
 				// Record found field and index sequence.
-				if name != "" || !sf.Anonymous || ft.Kind() != reflect.Struct {
-					tagged := name != ""
+				if opts.name != "" || !sf.Anonymous || ft.Kind() != reflect.Struct {
+					tagged := opts.name != ""
+					name := opts.name
 					if name == "" {
 						name = sf.Name
 					}