cord-776 create build / runtime containers for autmation uservices
Change-Id: I246973192adef56a250ffe93a5f65fff488840c1
diff --git a/switchq/vendor/gopkg.in/yaml.v2/encode.go b/switchq/vendor/gopkg.in/yaml.v2/encode.go
new file mode 100644
index 0000000..84f8499
--- /dev/null
+++ b/switchq/vendor/gopkg.in/yaml.v2/encode.go
@@ -0,0 +1,306 @@
+package yaml
+
+import (
+ "encoding"
+ "fmt"
+ "reflect"
+ "regexp"
+ "sort"
+ "strconv"
+ "strings"
+ "time"
+)
+
+type encoder struct {
+ emitter yaml_emitter_t
+ event yaml_event_t
+ out []byte
+ flow bool
+}
+
+func newEncoder() (e *encoder) {
+ e = &encoder{}
+ e.must(yaml_emitter_initialize(&e.emitter))
+ yaml_emitter_set_output_string(&e.emitter, &e.out)
+ yaml_emitter_set_unicode(&e.emitter, true)
+ e.must(yaml_stream_start_event_initialize(&e.event, yaml_UTF8_ENCODING))
+ e.emit()
+ e.must(yaml_document_start_event_initialize(&e.event, nil, nil, true))
+ e.emit()
+ return e
+}
+
+func (e *encoder) finish() {
+ e.must(yaml_document_end_event_initialize(&e.event, true))
+ e.emit()
+ e.emitter.open_ended = false
+ e.must(yaml_stream_end_event_initialize(&e.event))
+ e.emit()
+}
+
+func (e *encoder) destroy() {
+ yaml_emitter_delete(&e.emitter)
+}
+
+func (e *encoder) emit() {
+ // This will internally delete the e.event value.
+ if !yaml_emitter_emit(&e.emitter, &e.event) && e.event.typ != yaml_DOCUMENT_END_EVENT && e.event.typ != yaml_STREAM_END_EVENT {
+ e.must(false)
+ }
+}
+
+func (e *encoder) must(ok bool) {
+ if !ok {
+ msg := e.emitter.problem
+ if msg == "" {
+ msg = "unknown problem generating YAML content"
+ }
+ failf("%s", msg)
+ }
+}
+
+func (e *encoder) marshal(tag string, in reflect.Value) {
+ if !in.IsValid() {
+ e.nilv()
+ return
+ }
+ iface := in.Interface()
+ if m, ok := iface.(Marshaler); ok {
+ v, err := m.MarshalYAML()
+ if err != nil {
+ fail(err)
+ }
+ if v == nil {
+ e.nilv()
+ return
+ }
+ in = reflect.ValueOf(v)
+ } else if m, ok := iface.(encoding.TextMarshaler); ok {
+ text, err := m.MarshalText()
+ if err != nil {
+ fail(err)
+ }
+ in = reflect.ValueOf(string(text))
+ }
+ switch in.Kind() {
+ case reflect.Interface:
+ if in.IsNil() {
+ e.nilv()
+ } else {
+ e.marshal(tag, in.Elem())
+ }
+ case reflect.Map:
+ e.mapv(tag, in)
+ case reflect.Ptr:
+ if in.IsNil() {
+ e.nilv()
+ } else {
+ e.marshal(tag, in.Elem())
+ }
+ case reflect.Struct:
+ e.structv(tag, in)
+ case reflect.Slice:
+ if in.Type().Elem() == mapItemType {
+ e.itemsv(tag, in)
+ } else {
+ e.slicev(tag, in)
+ }
+ case reflect.String:
+ e.stringv(tag, in)
+ case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+ if in.Type() == durationType {
+ e.stringv(tag, reflect.ValueOf(iface.(time.Duration).String()))
+ } else {
+ e.intv(tag, in)
+ }
+ case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+ e.uintv(tag, in)
+ case reflect.Float32, reflect.Float64:
+ e.floatv(tag, in)
+ case reflect.Bool:
+ e.boolv(tag, in)
+ default:
+ panic("cannot marshal type: " + in.Type().String())
+ }
+}
+
+func (e *encoder) mapv(tag string, in reflect.Value) {
+ e.mappingv(tag, func() {
+ keys := keyList(in.MapKeys())
+ sort.Sort(keys)
+ for _, k := range keys {
+ e.marshal("", k)
+ e.marshal("", in.MapIndex(k))
+ }
+ })
+}
+
+func (e *encoder) itemsv(tag string, in reflect.Value) {
+ e.mappingv(tag, func() {
+ slice := in.Convert(reflect.TypeOf([]MapItem{})).Interface().([]MapItem)
+ for _, item := range slice {
+ e.marshal("", reflect.ValueOf(item.Key))
+ e.marshal("", reflect.ValueOf(item.Value))
+ }
+ })
+}
+
+func (e *encoder) structv(tag string, in reflect.Value) {
+ sinfo, err := getStructInfo(in.Type())
+ if err != nil {
+ panic(err)
+ }
+ e.mappingv(tag, func() {
+ for _, info := range sinfo.FieldsList {
+ var value reflect.Value
+ if info.Inline == nil {
+ value = in.Field(info.Num)
+ } else {
+ value = in.FieldByIndex(info.Inline)
+ }
+ if info.OmitEmpty && isZero(value) {
+ continue
+ }
+ e.marshal("", reflect.ValueOf(info.Key))
+ e.flow = info.Flow
+ e.marshal("", value)
+ }
+ if sinfo.InlineMap >= 0 {
+ m := in.Field(sinfo.InlineMap)
+ if m.Len() > 0 {
+ e.flow = false
+ keys := keyList(m.MapKeys())
+ sort.Sort(keys)
+ for _, k := range keys {
+ if _, found := sinfo.FieldsMap[k.String()]; found {
+ panic(fmt.Sprintf("Can't have key %q in inlined map; conflicts with struct field", k.String()))
+ }
+ e.marshal("", k)
+ e.flow = false
+ e.marshal("", m.MapIndex(k))
+ }
+ }
+ }
+ })
+}
+
+func (e *encoder) mappingv(tag string, f func()) {
+ implicit := tag == ""
+ style := yaml_BLOCK_MAPPING_STYLE
+ if e.flow {
+ e.flow = false
+ style = yaml_FLOW_MAPPING_STYLE
+ }
+ e.must(yaml_mapping_start_event_initialize(&e.event, nil, []byte(tag), implicit, style))
+ e.emit()
+ f()
+ e.must(yaml_mapping_end_event_initialize(&e.event))
+ e.emit()
+}
+
+func (e *encoder) slicev(tag string, in reflect.Value) {
+ implicit := tag == ""
+ style := yaml_BLOCK_SEQUENCE_STYLE
+ if e.flow {
+ e.flow = false
+ style = yaml_FLOW_SEQUENCE_STYLE
+ }
+ e.must(yaml_sequence_start_event_initialize(&e.event, nil, []byte(tag), implicit, style))
+ e.emit()
+ n := in.Len()
+ for i := 0; i < n; i++ {
+ e.marshal("", in.Index(i))
+ }
+ e.must(yaml_sequence_end_event_initialize(&e.event))
+ e.emit()
+}
+
+// isBase60 returns whether s is in base 60 notation as defined in YAML 1.1.
+//
+// The base 60 float notation in YAML 1.1 is a terrible idea and is unsupported
+// in YAML 1.2 and by this package, but these should be marshalled quoted for
+// the time being for compatibility with other parsers.
+func isBase60Float(s string) (result bool) {
+ // Fast path.
+ if s == "" {
+ return false
+ }
+ c := s[0]
+ if !(c == '+' || c == '-' || c >= '0' && c <= '9') || strings.IndexByte(s, ':') < 0 {
+ return false
+ }
+ // Do the full match.
+ return base60float.MatchString(s)
+}
+
+// From http://yaml.org/type/float.html, except the regular expression there
+// is bogus. In practice parsers do not enforce the "\.[0-9_]*" suffix.
+var base60float = regexp.MustCompile(`^[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+(?:\.[0-9_]*)?$`)
+
+func (e *encoder) stringv(tag string, in reflect.Value) {
+ var style yaml_scalar_style_t
+ s := in.String()
+ rtag, rs := resolve("", s)
+ if rtag == yaml_BINARY_TAG {
+ if tag == "" || tag == yaml_STR_TAG {
+ tag = rtag
+ s = rs.(string)
+ } else if tag == yaml_BINARY_TAG {
+ failf("explicitly tagged !!binary data must be base64-encoded")
+ } else {
+ failf("cannot marshal invalid UTF-8 data as %s", shortTag(tag))
+ }
+ }
+ if tag == "" && (rtag != yaml_STR_TAG || isBase60Float(s)) {
+ style = yaml_DOUBLE_QUOTED_SCALAR_STYLE
+ } else if strings.Contains(s, "\n") {
+ style = yaml_LITERAL_SCALAR_STYLE
+ } else {
+ style = yaml_PLAIN_SCALAR_STYLE
+ }
+ e.emitScalar(s, "", tag, style)
+}
+
+func (e *encoder) boolv(tag string, in reflect.Value) {
+ var s string
+ if in.Bool() {
+ s = "true"
+ } else {
+ s = "false"
+ }
+ e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
+}
+
+func (e *encoder) intv(tag string, in reflect.Value) {
+ s := strconv.FormatInt(in.Int(), 10)
+ e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
+}
+
+func (e *encoder) uintv(tag string, in reflect.Value) {
+ s := strconv.FormatUint(in.Uint(), 10)
+ e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
+}
+
+func (e *encoder) floatv(tag string, in reflect.Value) {
+ // FIXME: Handle 64 bits here.
+ s := strconv.FormatFloat(float64(in.Float()), 'g', -1, 32)
+ switch s {
+ case "+Inf":
+ s = ".inf"
+ case "-Inf":
+ s = "-.inf"
+ case "NaN":
+ s = ".nan"
+ }
+ e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
+}
+
+func (e *encoder) nilv() {
+ e.emitScalar("null", "", "", yaml_PLAIN_SCALAR_STYLE)
+}
+
+func (e *encoder) emitScalar(value, anchor, tag string, style yaml_scalar_style_t) {
+ implicit := tag == ""
+ e.must(yaml_scalar_event_initialize(&e.event, []byte(anchor), []byte(tag), []byte(value), implicit, implicit, style))
+ e.emit()
+}