398 lines
11 KiB
Go
398 lines
11 KiB
Go
/*
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* Copyright 2022 CloudWeGo Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package config
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"github.com/urfave/cli/v2"
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"gr_hz/meta"
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"gr_hz/util"
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"gr_hz/util/logs"
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)
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type Argument struct {
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// Mode meta.Mode // operating mode（0-compiler, 1-plugin)
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CmdType string // command type
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Verbose bool // print verbose log
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Cwd string // execution path
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OutDir string // output path
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HandlerDir string // handler path
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ModelDir string // model path
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RouterDir string // router path
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ClientDir string // client path
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BaseDomain string // request domain
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ForceClientDir string // client dir (not use namespace as a subpath)
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IdlType string // idl type
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IdlPaths []string // master idl path
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RawOptPkg []string // user-specified package import path
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OptPkgMap map[string]string
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Includes []string
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PkgPrefix string
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Gopath string // $GOPATH
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Gosrc string // $GOPATH/src
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Gomod string
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Gopkg string // $GOPATH/src/{{gopkg}}
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ServiceName string // service name
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Use string
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NeedGoMod bool
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JSONEnumStr bool
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UnsetOmitempty bool
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ProtobufCamelJSONTag bool
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ProtocOptions []string // options to pass through to protoc
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ThriftOptions []string // options to pass through to thriftgo for go flag
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ProtobufPlugins []string
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ThriftPlugins []string
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SnakeName bool
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RmTags []string
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Excludes []string
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NoRecurse bool
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HandlerByMethod bool
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ForceNew bool
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SnakeStyleMiddleware bool
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EnableExtends bool
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CustomizeLayout string
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CustomizeLayoutData string
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CustomizePackage string
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ModelBackend string
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}
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func NewArgument() *Argument {
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return &Argument{
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OptPkgMap: make(map[string]string),
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Includes: make([]string, 0, 4),
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Excludes: make([]string, 0, 4),
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ProtocOptions: make([]string, 0, 4),
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ThriftOptions: make([]string, 0, 4),
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}
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}
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// Parse initializes a new argument based on its own information
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func (arg *Argument) Parse(c *cli.Context, cmd string) (*Argument, error) {
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// v2 cli cannot put the StringSlice flag to struct, so we need to parse it here
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arg.parseStringSlice(c)
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args := arg.Fork()
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args.CmdType = cmd
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err := args.checkPath()
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if err != nil {
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return nil, err
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}
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err = args.checkIDL()
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if err != nil {
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return nil, err
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}
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err = args.checkPackage()
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if err != nil {
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return nil, err
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}
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return args, nil
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}
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func (arg *Argument) parseStringSlice(c *cli.Context) {
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arg.IdlPaths = c.StringSlice("idl")
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arg.Includes = c.StringSlice("proto_path")
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arg.Excludes = c.StringSlice("exclude_file")
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arg.RawOptPkg = c.StringSlice("option_package")
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arg.ThriftOptions = c.StringSlice("thriftgo")
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arg.ProtocOptions = c.StringSlice("protoc")
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arg.ThriftPlugins = c.StringSlice("thrift-plugins")
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arg.ProtobufPlugins = c.StringSlice("protoc-plugins")
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arg.RmTags = c.StringSlice("rm_tag")
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}
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func (arg *Argument) UpdateByManifest(m *meta.Manifest) {
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if arg.HandlerDir == "" && m.HandlerDir != "" {
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logs.Infof("use \"handler_dir\" in \".hz\" as the handler generated dir\n")
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arg.HandlerDir = m.HandlerDir
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}
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if arg.ModelDir == "" && m.ModelDir != "" {
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logs.Infof("use \"model_dir\" in \".hz\" as the model generated dir\n")
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arg.ModelDir = m.ModelDir
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}
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if len(m.RouterDir) != 0 {
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logs.Infof("use \"router_dir\" in \".hz\" as the router generated dir\n")
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arg.RouterDir = m.RouterDir
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}
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}
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// checkPath sets the project path and verifies that the model、handler、router and client path is compliant
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func (arg *Argument) checkPath() error {
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dir, err := os.Getwd()
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if err != nil {
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return fmt.Errorf("get current path failed: %s", err)
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}
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arg.Cwd = dir
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if arg.OutDir == "" {
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arg.OutDir = dir
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}
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if !filepath.IsAbs(arg.OutDir) {
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ap := filepath.Join(arg.Cwd, arg.OutDir)
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arg.OutDir = ap
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}
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if arg.ModelDir != "" && filepath.IsAbs(arg.ModelDir) {
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return fmt.Errorf("model path %s must be relative to out_dir", arg.ModelDir)
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}
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if arg.HandlerDir != "" && filepath.IsAbs(arg.HandlerDir) {
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return fmt.Errorf("handler path %s must be relative to out_dir", arg.HandlerDir)
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}
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if arg.RouterDir != "" && filepath.IsAbs(arg.RouterDir) {
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return fmt.Errorf("router path %s must be relative to out_dir", arg.RouterDir)
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}
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if arg.ClientDir != "" && filepath.IsAbs(arg.ClientDir) {
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return fmt.Errorf("router path %s must be relative to out_dir", arg.ClientDir)
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}
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return nil
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}
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// checkIDL check if the idl path exists, set and check the idl type
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func (arg *Argument) checkIDL() error {
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for i, path := range arg.IdlPaths {
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abPath, err := filepath.Abs(path)
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if err != nil {
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return fmt.Errorf("idl path %s is not absolute", path)
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}
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ext := filepath.Ext(abPath)
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if ext == "" || ext[0] != '.' {
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return fmt.Errorf("idl path %s is not a valid file", path)
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}
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ext = ext[1:]
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switch ext {
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case meta.IdlThrift:
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arg.IdlType = meta.IdlThrift
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case meta.IdlProto:
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arg.IdlType = meta.IdlProto
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default:
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return fmt.Errorf("IDL type %s is not supported", ext)
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}
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arg.IdlPaths[i] = abPath
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}
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return nil
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}
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func (arg *Argument) IsUpdate() bool {
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return arg.CmdType == meta.CmdUpdate
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}
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func (arg *Argument) IsNew() bool {
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return arg.CmdType == meta.CmdNew
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}
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// checkPackage check and set the gopath、 module and package name
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func (arg *Argument) checkPackage() error {
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gopath, err := util.GetGOPATH()
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if err != nil {
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return fmt.Errorf("get gopath failed: %s", err)
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}
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if gopath == "" {
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return fmt.Errorf("GOPATH is not set")
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}
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arg.Gopath = gopath
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arg.Gosrc = filepath.Join(gopath, "src")
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// Generate the project under gopath, use the relative path as the package name
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if strings.HasPrefix(arg.Cwd, arg.Gosrc) {
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if gopkg, err := filepath.Rel(arg.Gosrc, arg.Cwd); err != nil {
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return fmt.Errorf("get relative path to GOPATH/src failed: %s", err)
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} else {
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arg.Gopkg = gopkg
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}
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}
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if len(arg.Gomod) == 0 { // not specified "go module"
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// search go.mod recursively
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module, path, ok := util.SearchGoMod(arg.Cwd, true)
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if ok { // find go.mod in upper level, use it as project module, don't generate go.mod
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rel, err := filepath.Rel(path, arg.Cwd)
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if err != nil {
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return fmt.Errorf("can not get relative path, err :%v", err)
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}
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arg.Gomod = filepath.Join(module, rel)
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logs.Debugf("find module '%s' from '%s/go.mod', so use it as module name", module, path)
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}
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if len(arg.Gomod) == 0 { // don't find go.mod in upper level, use relative path as module name, generate go.mod
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logs.Debugf("use gopath's relative path '%s' as the module name", arg.Gopkg)
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// gopkg will be "" under non-gopath
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arg.Gomod = arg.Gopkg
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arg.NeedGoMod = true
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}
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arg.Gomod = util.PathToImport(arg.Gomod, "")
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} else { // specified "go module"
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// search go.mod in current path
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module, path, ok := util.SearchGoMod(arg.Cwd, false)
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if ok { // go.mod exists in current path, check module name, don't generate go.mod
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if module != arg.Gomod {
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return fmt.Errorf("module name given by the '-module/mod' option ('%s') is not consist with the name defined in go.mod ('%s' from %s), try to remove '-module/mod' option in your command\n", arg.Gomod, module, path)
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}
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} else { // go.mod don't exist in current path, generate go.mod
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arg.NeedGoMod = true
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}
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}
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if len(arg.Gomod) == 0 {
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return fmt.Errorf("can not get go module, please specify a module name with the '-module/mod' flag")
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}
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if len(arg.RawOptPkg) > 0 {
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arg.OptPkgMap = make(map[string]string, len(arg.RawOptPkg))
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for _, op := range arg.RawOptPkg {
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ps := strings.SplitN(op, "=", 2)
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if len(ps) != 2 {
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return fmt.Errorf("invalid option package: %s", op)
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}
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arg.OptPkgMap[ps[0]] = ps[1]
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}
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arg.RawOptPkg = nil
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}
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return nil
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}
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func (arg *Argument) Pack() ([]string, error) {
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data, err := util.PackArgs(arg)
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if err != nil {
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return nil, fmt.Errorf("pack argument failed: %s", err)
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}
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return data, nil
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}
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func (arg *Argument) Unpack(data []string) error {
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err := util.UnpackArgs(data, arg)
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if err != nil {
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return fmt.Errorf("unpack argument failed: %s", err)
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}
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return nil
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}
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// Fork can copy its own parameters to a new argument
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func (arg *Argument) Fork() *Argument {
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args := NewArgument()
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*args = *arg
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util.CopyString2StringMap(arg.OptPkgMap, args.OptPkgMap)
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util.CopyStringSlice(&arg.Includes, &args.Includes)
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util.CopyStringSlice(&arg.Excludes, &args.Excludes)
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util.CopyStringSlice(&arg.ProtocOptions, &args.ProtocOptions)
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util.CopyStringSlice(&arg.ThriftOptions, &args.ThriftOptions)
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return args
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}
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func (arg *Argument) GetGoPackage() (string, error) {
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if arg.Gomod != "" {
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return arg.Gomod, nil
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} else if arg.Gopkg != "" {
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return arg.Gopkg, nil
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}
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return "", fmt.Errorf("project package name is not set")
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}
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func IdlTypeToCompiler(idlType string) (string, error) {
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switch idlType {
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case meta.IdlProto:
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return meta.TpCompilerProto, nil
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case meta.IdlThrift:
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return meta.TpCompilerThrift, nil
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default:
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return "", fmt.Errorf("IDL type %s is not supported", idlType)
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}
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}
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func (arg *Argument) ModelPackagePrefix() (string, error) {
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ret := arg.Gomod
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if arg.ModelDir == "" {
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path, err := util.RelativePath(meta.ModelDir)
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if !strings.HasPrefix(path, "/") {
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path = "/" + path
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}
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if err != nil {
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return "", err
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}
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ret += path
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} else {
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path, err := util.RelativePath(arg.ModelDir)
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if err != nil {
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return "", err
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}
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ret += "/" + path
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}
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return strings.ReplaceAll(ret, string(filepath.Separator), "/"), nil
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}
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func (arg *Argument) ModelOutDir() string {
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ret := arg.OutDir
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if arg.ModelDir == "" {
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ret = filepath.Join(ret, meta.ModelDir)
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} else {
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ret = filepath.Join(ret, arg.ModelDir)
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}
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return ret
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}
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func (arg *Argument) GetHandlerDir() (string, error) {
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if arg.HandlerDir == "" {
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return util.RelativePath(meta.HandlerDir)
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}
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return util.RelativePath(arg.HandlerDir)
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}
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func (arg *Argument) GetModelDir() (string, error) {
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if arg.ModelDir == "" {
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return util.RelativePath(meta.ModelDir)
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}
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return util.RelativePath(arg.ModelDir)
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}
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func (arg *Argument) GetRouterDir() (string, error) {
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if arg.RouterDir == "" {
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return util.RelativePath(meta.RouterDir)
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}
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return util.RelativePath(arg.RouterDir)
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}
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func (arg *Argument) GetClientDir() (string, error) {
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if arg.ClientDir == "" {
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return "", nil
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}
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return util.RelativePath(arg.ClientDir)
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}
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func (arg *Argument) InitManifest(m *meta.Manifest) {
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m.Version = meta.Version
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m.HandlerDir = arg.HandlerDir
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m.ModelDir = arg.ModelDir
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m.RouterDir = arg.RouterDir
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}
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func (arg *Argument) UpdateManifest(m *meta.Manifest) {
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m.Version = meta.Version
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if arg.HandlerDir != m.HandlerDir {
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m.HandlerDir = arg.HandlerDir
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}
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if arg.HandlerDir != m.ModelDir {
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m.ModelDir = arg.ModelDir
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}
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// "router_dir" must not be defined by "update" command
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}
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