func nameAnnotation(annotations caps.Annotation_List) string {
for _, a := range annotations.ToArray() {
if a.Id() == C.Name {
if name := a.Value().Text(); name != "" {
return name
}
}
}
return ""
}
func (n *node) processAnnotations(w io.Writer, f caps.Field, t caps.Type_Which, ans caps.Annotation_List) {
annotations := make(map[uint64]caps.Annotation)
for _, a := range ans.ToArray() {
annotations[a.Id()] = a
}
req, required := annotations[caps.FieldRequired]
opt, optional := annotations[caps.FieldOptional]
_, ignored := annotations[caps.FieldIgnored]
assert(!(required && ignored), "Field annnotations 'required' and 'ignored' are incompatible.")
assert(!(required && optional), "Annnotations 'required' and 'optional' are incompatible")
assert(!(optional && ignored), "Annnotations 'optional' and 'ignored' are incompatible")
var tags []string
var checkTags []string
// Codecs Tags
if ignored {
if _, found := n.codecs[caps.CodecJson]; found {
tags = append(tags, fmt.Sprintf("json:\"-\""))
}
if _, found := n.codecs[caps.CodecMsgp]; found {
tags = append(tags, fmt.Sprintf("msg:\"-\""))
}
checkTags = append(checkTags, "-")
} else if optional {
if _, found := n.codecs[caps.CodecJson]; found {
tags = append(tags, fmt.Sprintf("json:\"%s,omitempty\"", opt.Value().Text()))
}
if _, found := n.codecs[caps.CodecMsgp]; found {
tags = append(tags, fmt.Sprintf("msg:\"%s\"", opt.Value().Text()))
}
checkTags = append(checkTags, "omitempty")
} else if required {
if _, found := n.codecs[caps.CodecJson]; found {
tags = append(tags, fmt.Sprintf("json:\"%s\"", req.Value().Text()))
}
if _, found := n.codecs[caps.CodecMsgp]; found {
tags = append(tags, fmt.Sprintf("msg:\"%s\"", req.Value().Text()))
}
checkTags = append(checkTags, "required")
} else {
if _, found := n.codecs[caps.CodecJson]; found {
tags = append(tags, fmt.Sprintf("json:\"%s\"", f.Name()))
}
if _, found := n.codecs[caps.CodecMsgp]; found {
tags = append(tags, fmt.Sprintf("msg:\"%s\"", f.Name()))
}
}
// Check annotation
if exp, found := annotations[caps.CheckValue]; found {
checkTags = append(checkTags, exp.Value().Text())
}
if len(checkTags) != 0 {
tags = append(tags, fmt.Sprintf("validate:\"%s\"", strings.Join(checkTags, ",")))
}
if len(tags) != 0 {
fmt.Fprintf(w, "`%s`", strings.Join(tags, " "))
}
}