97 lines
2.1 KiB
Go
97 lines
2.1 KiB
Go
package main
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import (
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"strings"
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"text/template"
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)
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func printArgs(args []arg) string {
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var argStr []string
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for _, arg := range args {
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argStr = append(argStr, arg.String())
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}
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return strings.Join(argStr, ", ")
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}
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func marshalType(t string) string {
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switch t {
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case "error":
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// convert error types to plain strings to ensure the values are encoded/decoded properly
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return "string"
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default:
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return t
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}
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}
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func isErr(t string) bool {
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switch t {
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case "error":
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return true
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default:
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return false
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}
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}
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// Need to use this helper due to issues with go-vet
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func buildTag(s string) string {
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return "+build " + s
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}
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var templFuncs = template.FuncMap{
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"printArgs": printArgs,
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"marshalType": marshalType,
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"isErr": isErr,
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"lower": strings.ToLower,
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"title": strings.Title,
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"tag": buildTag,
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}
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var generatedTempl = template.Must(template.New("rpc_cient").Funcs(templFuncs).Parse(`
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// generated code - DO NOT EDIT
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{{ range $k, $v := .BuildTags }}
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// {{ tag $k }} {{ end }}
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package {{ .Name }}
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import "errors"
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type client interface{
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Call(string, interface{}, interface{}) error
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}
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type {{ .InterfaceType }}Proxy struct {
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client
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}
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{{ range .Functions }}
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type {{ $.InterfaceType }}Proxy{{ .Name }}Request struct{
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{{ range .Args }}
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{{ title .Name }} {{ .ArgType }} {{ end }}
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}
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type {{ $.InterfaceType }}Proxy{{ .Name }}Response struct{
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{{ range .Returns }}
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{{ title .Name }} {{ marshalType .ArgType }} {{ end }}
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}
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func (pp *{{ $.InterfaceType }}Proxy) {{ .Name }}({{ printArgs .Args }}) ({{ printArgs .Returns }}) {
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var(
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req {{ $.InterfaceType }}Proxy{{ .Name }}Request
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ret {{ $.InterfaceType }}Proxy{{ .Name }}Response
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)
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{{ range .Args }}
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req.{{ title .Name }} = {{ lower .Name }} {{ end }}
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if err = pp.Call("{{ $.RPCName }}.{{ .Name }}", req, &ret); err != nil {
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return
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}
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{{ range $r := .Returns }}
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{{ if isErr .ArgType }}
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if ret.{{ title .Name }} != "" {
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{{ lower .Name }} = errors.New(ret.{{ title .Name }})
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} {{ end }}
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{{ if isErr .ArgType | not }} {{ lower .Name }} = ret.{{ title .Name }} {{ end }} {{ end }}
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return
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}
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{{ end }}
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`))
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