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tag.go
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tag.go
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// Copyright 2020 dfuse Platform Inc.
//
// 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 text
import (
"reflect"
"strings"
)
type fieldTag struct {
Linear bool
Skip bool
Label string
NoTypeName bool
}
func parseFieldTag(tag reflect.StructTag) *fieldTag {
t := &fieldTag{}
tagStr := tag.Get("text")
if tagStr == "" {
return t
}
for _, s := range strings.Split(tagStr, ",") {
if strings.HasPrefix(s, "linear") {
t.Linear = true
} else if strings.HasPrefix(s, "notype") {
t.NoTypeName = true
} else if s == "-" {
t.Skip = true
} else {
t.Label = s
}
}
return t
}