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proteus.go
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proteus.go
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package proteus
import (
protobuf2 "github.com/kennyzhu/go-os/src/tools/proteus/protobuf"
resolver2 "github.com/kennyzhu/go-os/src/tools/proteus/resolver"
rpc2 "github.com/kennyzhu/go-os/src/tools/proteus/rpc"
scanner2 "github.com/kennyzhu/go-os/src/tools/proteus/scanner"
)
// Options are all the available options to configure proto generation.
type Options struct {
BasePath string
Packages []string
}
// store every proto file names for every package...
// Todo:
type PackageFiles struct {
Files map[string][]string // key = package name, value = files...
}
type generator func(*scanner2.Package, *protobuf2.Package) error
// generate for rpc generator...
// can't find import: "github.com/golang/protobuf/proto"
// go get github.com/golang/protobuf/proto
func transformToProtobuf(packages []string, generate generator) error {
scanner, err := scanner2.New(packages...)
if err != nil {
return err
}
pkgs, err := scanner.Scan()
if err != nil {
return err
}
r := resolver2.New()
r.Resolve(pkgs)
t := protobuf2.NewTransformer()
t.SetStructSet(createStructTypeSet(pkgs))
t.SetEnumSet(createEnumTypeSet(pkgs))
for _, p := range pkgs {
pkg := t.Transform(p)
if err := generate(p, pkg); err != nil {
return err
}
}
return nil
}
func createStructTypeSet(pkgs []*scanner2.Package) protobuf2.TypeSet {
ts := protobuf2.NewTypeSet()
for _, p := range pkgs {
for _, s := range p.Structs {
ts.Add(p.Path, s.Name)
}
}
return ts
}
func createEnumTypeSet(pkgs []*scanner2.Package) protobuf2.TypeSet {
ts := protobuf2.NewTypeSet()
for _, p := range pkgs {
for _, e := range p.Enums {
ts.Add(p.Path, e.Name)
}
}
return ts
}
// GenerateProtos generates proto files for the given options.
// BasePath = -f path...
func GenerateProtos(options Options) error {
g := protobuf2.NewGenerator(options.BasePath)
return transformToProtobuf(options.Packages, func(_ *scanner2.Package, pkg *protobuf2.Package) error {
// return g.GeneratorDb(pkg)
return g.Generator( pkg )
})
}
// GenerateRPCServer generates the gRPC server implementation of the given
// packages.
func GenerateRPCServer(packages []string) error {
// g := rpc.NewGenerator()
g := rpc2.NewMicroGenerator() // change to micro service ....
return transformToProtobuf(packages, func(p *scanner2.Package, pkg *protobuf2.Package) error {
return g.Generate(pkg, p.Path)
})
}