gotsrpc/config/config.go
2019-05-28 10:43:38 +02:00

139 lines
3.1 KiB
Go

package config
import (
"errors"
"fmt"
"gopkg.in/yaml.v2"
"io/ioutil"
"path"
"path/filepath"
)
type PHPTarget struct {
Out string `yaml:"out"`
Namespace string `yaml:"namespace"`
}
type Target struct {
Package string `yaml:"package"`
Services map[string]string `yaml:"services"`
TypeScriptModule string `yaml:"module"`
Out string `yaml:"out"`
GoRPC []string `yaml:"gorpc"`
TSRPC []string `yaml:"tsrpc"`
PHPRPC map[string]*PHPTarget `yaml:"phprpc"`
}
func (t *Target) IsGoRPC(service string) bool {
for _, value := range t.GoRPC {
if value == service {
return true
}
}
return false
}
func (t *Target) IsTSRPC(service string) bool {
if len(t.TSRPC) == 0 {
return true
}
for _, value := range t.TSRPC {
if value == service {
return true
}
}
return false
}
func (t *Target) IsPHPRPC(service string) bool {
if len(t.PHPRPC) == 0 {
return false
}
_, ok := t.PHPRPC[service]
return ok
}
func (t *Target) GetPHPTarget(service string) *PHPTarget {
return t.PHPRPC[service]
}
type Mapping struct {
GoPackage string `yaml:"-"`
Out string `yaml:"out"`
TypeScriptModule string `yaml:"module"`
}
type TypeScriptMappings map[string]*Mapping
type ModuleKind string
type TSClientFlavor string
const (
ModuleKindDefault ModuleKind = "default"
ModuleKindCommonJS ModuleKind = "commonjs"
TSClientFlavorAsync TSClientFlavor = "async"
)
type Namespace struct {
Name string
Path string
}
type Config struct {
Module Namespace
ModuleKind ModuleKind
TSClientFlavor TSClientFlavor
Targets map[string]*Target
Mappings TypeScriptMappings
}
func LoadConfigFile(file string) (conf *Config, err error) {
yamlBytes, readErr := ioutil.ReadFile(file)
if readErr != nil {
return nil, errors.New("could not read config file: " + readErr.Error())
}
conf, err = loadConfig(yamlBytes)
if err != nil {
return nil, err
}
if conf.Module.Path != "" && !path.IsAbs(conf.Module.Path) {
absPath, err := filepath.Abs(filepath.Join(filepath.Dir(file), conf.Module.Path))
if err != nil {
return nil, err
}
conf.Module.Path = absPath
}
return conf, nil
}
var ErrInvalidTSClientFlavor = errors.New(fmt.Sprintln("unknown ts client flavor: must be empty or ", TSClientFlavorAsync))
func loadConfig(yamlBytes []byte) (conf *Config, err error) {
conf = &Config{}
yamlErr := yaml.Unmarshal(yamlBytes, conf)
if yamlErr != nil {
err = errors.New("could not parse yaml: " + yamlErr.Error())
return
}
switch conf.TSClientFlavor {
case "", TSClientFlavorAsync:
default:
err = ErrInvalidTSClientFlavor
return
}
switch conf.ModuleKind {
case ModuleKindCommonJS, ModuleKindDefault:
case "":
conf.ModuleKind = ModuleKindDefault
default:
err = errors.New(fmt.Sprintln("illegal module kind:", conf.ModuleKind, "must be in", ModuleKindDefault, ModuleKindCommonJS))
return
}
for goPackage, mapping := range conf.Mappings {
mapping.GoPackage = goPackage
}
return
}