wg-quicker/vendor/github.com/denis-tingajkin/go-header/config.go

100 lines
2.6 KiB
Go

// Copyright (c) 2020 Denis Tingajkin
//
// SPDX-License-Identifier: Apache-2.0
//
// 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 goheader
import (
"errors"
"fmt"
"io/ioutil"
"strings"
"time"
"gopkg.in/yaml.v2"
)
// Configuration represents go-header linter setup parameters
type Configuration struct {
// Values is map of values. Supports two types 'const` and `regexp`. Values can be used recursively.
Values map[string]map[string]string `yaml:"values"'`
// Template is template for checking. Uses values.
Template string `yaml:"template"`
// TemplatePath path to the template file. Useful if need to load the template from a specific file.
TemplatePath string `yaml:"template-path"`
}
func (c *Configuration) builtInValues() map[string]Value {
var result = make(map[string]Value)
year := fmt.Sprint(time.Now().Year())
result["year-range"] = &RegexpValue{
RawValue: strings.ReplaceAll(`(20\d\d\-YEAR)|(YEAR)`, "YEAR", year),
}
result["year"] = &ConstValue{
RawValue: year,
}
return result
}
func (c *Configuration) GetValues() (map[string]Value, error) {
var result = c.builtInValues()
createConst := func(raw string) Value {
return &ConstValue{RawValue: raw}
}
createRegexp := func(raw string) Value {
return &RegexpValue{RawValue: raw}
}
appendValues := func(m map[string]string, create func(string) Value) {
for k, v := range m {
key := strings.ToLower(k)
result[key] = create(v)
}
}
for k, v := range c.Values {
switch k {
case "const":
appendValues(v, createConst)
case "regexp":
appendValues(v, createRegexp)
default:
return nil, fmt.Errorf("unknown value type %v", k)
}
}
return result, nil
}
func (c *Configuration) GetTemplate() (string, error) {
if c.Template != "" {
return c.Template, nil
}
if c.TemplatePath == "" {
return "", errors.New("template has not passed")
}
if b, err := ioutil.ReadFile(c.TemplatePath); err != nil {
return "", err
} else {
c.Template = strings.TrimSpace(string(b))
return c.Template, nil
}
}
func (c *Configuration) Parse(p string) error {
b, err := ioutil.ReadFile(p)
if err != nil {
return err
}
return yaml.Unmarshal(b, c)
}