github.com/zntrio/harp/v2@v2.0.9/pkg/template/values/parser.go (about)

     1  // Licensed to Elasticsearch B.V. under one or more contributor
     2  // license agreements. See the NOTICE file distributed with
     3  // this work for additional information regarding copyright
     4  // ownership. Elasticsearch B.V. licenses this file to you under
     5  // the Apache License, Version 2.0 (the "License"); you may
     6  // not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing,
    12  // software distributed under the License is distributed on an
    13  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    14  // KIND, either express or implied.  See the License for the
    15  // specific language governing permissions and limitations
    16  // under the License.
    17  
    18  package values
    19  
    20  import (
    21  	"fmt"
    22  
    23  	"github.com/zntrio/harp/v2/pkg/template/values/hcl1"
    24  	"github.com/zntrio/harp/v2/pkg/template/values/hcl2"
    25  	"github.com/zntrio/harp/v2/pkg/template/values/hocon"
    26  	"github.com/zntrio/harp/v2/pkg/template/values/toml"
    27  	"github.com/zntrio/harp/v2/pkg/template/values/xml"
    28  	"github.com/zntrio/harp/v2/pkg/template/values/yaml"
    29  )
    30  
    31  // Parser is the interface implemented by objects that can unmarshal
    32  // bytes into a golang interface.
    33  type Parser interface {
    34  	Unmarshal(p []byte, v interface{}) error
    35  }
    36  
    37  // GetParser gets a file parser based on the file type and input.
    38  func GetParser(fileType string) (Parser, error) {
    39  	switch fileType {
    40  	case "toml":
    41  		return &toml.Parser{}, nil
    42  	case "hocon":
    43  		return &hocon.Parser{}, nil
    44  	case "xml":
    45  		return &xml.Parser{}, nil
    46  	case "json", "yaml", "yml":
    47  		return &yaml.Parser{}, nil
    48  	case "hcl", "tf", "hcl2", "tfvars":
    49  		return &hcl2.Parser{}, nil
    50  	case "hcl1":
    51  		return &hcl1.Parser{}, nil
    52  	default:
    53  		return nil, fmt.Errorf("unknown filetype given: %v", fileType)
    54  	}
    55  }