github.com/drone/go-convert@v0.0.0-20240307072510-6bd371c65e61/convert/travis/yaml/import.go (about)

     1  // Copyright 2022 Harness, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package yaml
    16  
    17  import "errors"
    18  
    19  type Imports struct {
    20  	Items []*Import
    21  }
    22  
    23  // UnmarshalYAML implements the unmarshal interface.
    24  func (v *Imports) UnmarshalYAML(unmarshal func(interface{}) error) error {
    25  	var out1 *Import
    26  	var out2 []*Import
    27  	if err := unmarshal(&out1); err == nil {
    28  		v.Items = append(v.Items, out1)
    29  		return nil
    30  	}
    31  	if err := unmarshal(&out2); err == nil {
    32  		v.Items = out2
    33  		return nil
    34  	}
    35  	return errors.New("failed to unmarshal imports")
    36  }
    37  
    38  // MarshalYAML implements the marshal interface.
    39  func (v *Imports) MarshalYAML() (interface{}, error) {
    40  	return v.Items, nil
    41  }
    42  
    43  type Import struct {
    44  	Source string `yaml:"source,omitempty"`
    45  	Mode   string `yaml:"mode,omitempty"` // merge, deep_merge, deep_merge_append, deep_merge_prepend
    46  	If     string `yaml:"if,omitempty"`
    47  }
    48  
    49  // UnmarshalYAML implements the unmarshal interface.
    50  func (v *Import) UnmarshalYAML(unmarshal func(interface{}) error) error {
    51  	var out1 string
    52  	var out2 = struct {
    53  		Source string `yaml:"source"`
    54  		Mode   string `yaml:"mode"`
    55  		If     string `yaml:"if"`
    56  	}{}
    57  	if err := unmarshal(&out1); err == nil {
    58  		v.Source = out1
    59  		return nil
    60  	}
    61  	if err := unmarshal(&out2); err == nil {
    62  		v.Source = out2.Source
    63  		v.Mode = out2.Mode
    64  		v.If = out2.If
    65  		return nil
    66  	}
    67  	return errors.New("failed to unmarshal import")
    68  }