mirror of
https://github.com/go-gitea/gitea
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c4d8d53a6d
* Use vendored go-swagger (#8087) * Use vendored go-swagger * vendor go-swagger * revert un wanteed change * remove un-needed GO111MODULE * Update Makefile Co-Authored-By: techknowlogick <matti@mdranta.net> * re-generate swagger file
118 lines
2.8 KiB
Go
118 lines
2.8 KiB
Go
// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package runtime
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import (
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"bytes"
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"encoding"
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"errors"
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"fmt"
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"io"
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"reflect"
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"github.com/go-openapi/swag"
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)
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// TextConsumer creates a new text consumer
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func TextConsumer() Consumer {
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return ConsumerFunc(func(reader io.Reader, data interface{}) error {
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if reader == nil {
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return errors.New("TextConsumer requires a reader") // early exit
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}
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buf := new(bytes.Buffer)
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_, err := buf.ReadFrom(reader)
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if err != nil {
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return err
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}
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b := buf.Bytes()
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// If the buffer is empty, no need to unmarshal it, which causes a panic.
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if len(b) == 0 {
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data = ""
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return nil
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}
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if tu, ok := data.(encoding.TextUnmarshaler); ok {
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err := tu.UnmarshalText(b)
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if err != nil {
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return fmt.Errorf("text consumer: %v", err)
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}
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return nil
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}
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t := reflect.TypeOf(data)
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if data != nil && t.Kind() == reflect.Ptr {
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v := reflect.Indirect(reflect.ValueOf(data))
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if t.Elem().Kind() == reflect.String {
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v.SetString(string(b))
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return nil
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}
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}
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return fmt.Errorf("%v (%T) is not supported by the TextConsumer, %s",
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data, data, "can be resolved by supporting TextUnmarshaler interface")
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})
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}
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// TextProducer creates a new text producer
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func TextProducer() Producer {
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return ProducerFunc(func(writer io.Writer, data interface{}) error {
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if writer == nil {
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return errors.New("TextProducer requires a writer") // early exit
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}
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if data == nil {
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return errors.New("no data given to produce text from")
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}
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if tm, ok := data.(encoding.TextMarshaler); ok {
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txt, err := tm.MarshalText()
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if err != nil {
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return fmt.Errorf("text producer: %v", err)
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}
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_, err = writer.Write(txt)
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return err
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}
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if str, ok := data.(error); ok {
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_, err := writer.Write([]byte(str.Error()))
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return err
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}
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if str, ok := data.(fmt.Stringer); ok {
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_, err := writer.Write([]byte(str.String()))
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return err
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}
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v := reflect.Indirect(reflect.ValueOf(data))
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if t := v.Type(); t.Kind() == reflect.Struct || t.Kind() == reflect.Slice {
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b, err := swag.WriteJSON(data)
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if err != nil {
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return err
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}
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_, err = writer.Write(b)
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return err
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}
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if v.Kind() != reflect.String {
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return fmt.Errorf("%T is not a supported type by the TextProducer", data)
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}
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_, err := writer.Write([]byte(v.String()))
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return err
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})
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}
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