lugu/qiloop

package proxy

import (
    "io/ioutil"
    "log"
    "os"

    "github.com/lugu/qiloop/meta/idl"
)

// GenerateProxy writes the service stub from an IDL file
func GenerateProxy(idlFileName, proxyFileName, packageName string) {

    file, err := os.Open(idlFileName)
    if err != nil {
        log.Fatalf("cannot open %s: %s", idlFileName, err)
    }

    input, err := ioutil.ReadAll(file)
    file.Close()
    if err != nil {
        log.Fatalf("cannot read %s: %s", idlFileName, err)
    }

    output := os.Stdout
    if proxyFileName != "-" {
        output, err = os.Create(proxyFileName)
        if err != nil {
            log.Fatalf("create %s: %s", proxyFileName, err)
        }
        defer output.Close()
    }

    pkg, err := idl.ParsePackage([]byte(input))
    if err != nil {
        log.Fatalf("parse %s: %s", idlFileName, err)
    }

    if err := GeneratePackage(output, packageName, pkg); err != nil {
        log.Fatalf("generate output: %s", err)
    }
}