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config.go
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config.go
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package main
import (
"log"
"path/filepath"
"github.com/mitchellh/go-homedir"
"github.com/pkg/errors"
"github.com/qiangyt/jog/config"
"github.com/qiangyt/jog/util"
"gopkg.in/yaml.v2"
)
// ConfigT ...
type ConfigT struct {
// TODO: configurable
Colorization bool
Replace map[string]string
Pattern string
StartupLine config.StartupLine `yaml:"startup-line"`
LineNo config.Element `yaml:"line-no"`
UnknownLine config.Element `yaml:"unknown-line"`
Prefix config.Prefix
Fields config.FieldMap
}
// Config ...
type Config = *ConfigT
// UnmarshalYAML ...
func (i Config) UnmarshalYAML(unmarshal func(interface{}) error) error {
return util.UnmarshalYAML(i, unmarshal)
}
// MarshalYAML ...
func (i Config) MarshalYAML() (interface{}, error) {
return util.MarshalYAML(i)
}
// Reset ...
func (i Config) Reset() {
i.Colorization = true
i.Replace = make(map[string]string)
i.Pattern = ""
i.StartupLine.Reset()
i.LineNo.Reset()
i.UnknownLine.Reset()
i.Prefix.Reset()
i.Fields.Reset()
}
// FromMap ...
func (i Config) FromMap(m map[string]interface{}) error {
var v interface{}
v = util.ExtractFromMap(m, "colorization")
if v != nil {
i.Colorization = util.ToBool(v)
}
v = util.ExtractFromMap(m, "replace")
if v != nil {
i.Replace = v.(map[string]string)
}
v = util.ExtractFromMap(m, "pattern")
if v != nil {
i.Pattern = v.(string)
}
v = util.ExtractFromMap(m, "startup-line")
if v != nil {
if err := util.UnmashalYAMLAgain(v, &i.StartupLine); err != nil {
return err
}
}
v = util.ExtractFromMap(m, "line-no")
if v != nil {
if err := util.UnmashalYAMLAgain(v, &i.LineNo); err != nil {
return err
}
}
v = util.ExtractFromMap(m, "unknown-line")
if v != nil {
if err := util.UnmashalYAMLAgain(v, &i.UnknownLine); err != nil {
return err
}
}
v = util.ExtractFromMap(m, "prefix")
if v != nil {
if err := util.UnmashalYAMLAgain(v, &i.Prefix); err != nil {
return err
}
}
v = util.ExtractFromMap(m, "fields")
if v != nil {
if err := util.UnmashalYAMLAgain(v, &i.Fields); err != nil {
return err
}
}
return nil
}
// ToMap ...
func (i Config) ToMap() map[string]interface{} {
r := make(map[string]interface{})
r["replace"] = i.Replace
r["pattern"] = i.Pattern
r["startup-line"] = i.StartupLine.ToMap()
r["line-no"] = i.LineNo.ToMap()
r["unknown-line"] = i.UnknownLine.ToMap()
r["prefix"] = i.Prefix.ToMap()
r["fields"] = i.Fields.ToMap()
return r
}
func lookForConfigFile(dir string) string {
log.Printf("looking for config files in: %s\n", dir)
r := filepath.Join(dir, ".jog.yaml")
if util.FileExists(r) {
return r
}
r = filepath.Join(dir, ".jog.yml")
if util.FileExists(r) {
return r
}
return ""
}
// DetermineConfigFilePath return (file path)
func DetermineConfigFilePath() string {
dir := util.ExeDirectory()
r := lookForConfigFile(dir)
if len(r) != 0 {
return r
}
dir, err := homedir.Dir()
if err != nil {
log.Printf("failed to get home dir: %v\n", err)
return ""
}
return lookForConfigFile(dir)
}
// ConfigWithDefaultYamlFile ...
func ConfigWithDefaultYamlFile() Config {
path := DetermineConfigFilePath()
if len(path) == 0 {
log.Println("config file not found, take default config")
return ConfigWithYamlFile(config.DefaultYAML)
}
log.Printf("config file: %s\n", path)
return ConfigWithYamlFile(path)
}
// ConfigWithYamlFile ...
func ConfigWithYamlFile(path string) Config {
log.Printf("config file: %s\n", path)
yamlText := string(util.ReadFile(path))
return ConfigWithYaml(yamlText)
}
// ConfigWithYaml ...
func ConfigWithYaml(yamlText string) Config {
r := &ConfigT{
Replace: map[string]string{
"\\\"": "\"",
"\\'": "'",
"\\\n": "\n",
"\\\r": "",
"\\\t": "\t",
},
Pattern: "",
StartupLine: &config.StartupLineT{},
LineNo: &config.ElementT{},
UnknownLine: &config.ElementT{},
Prefix: &config.PrefixT{},
Fields: &config.FieldMapT{},
}
if err := yaml.Unmarshal([]byte(yamlText), &r); err != nil {
panic(errors.Wrap(err, "failed to unmarshal yaml: \n"+yamlText))
}
return r
}