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webrpc.go
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/
webrpc.go
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package webrpc
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"github.com/webrpc/webrpc/schema"
"github.com/webrpc/webrpc/schema/ridl"
)
func ParseSchemaFile(schemaFilePath string) (*schema.WebRPCSchema, error) {
cwd, err := os.Getwd()
if err != nil {
return nil, err
}
var path string
if schemaFilePath[0:1] == "/" {
path = schemaFilePath
} else {
path = filepath.Join(cwd, schemaFilePath)
}
// ensure schema file exists
if _, err := os.Stat(path); os.IsNotExist(err) {
return nil, err
}
// open file
fp, err := os.Open(path)
if err != nil {
return nil, err
}
defer fp.Close()
ext := filepath.Ext(path)
if ext == ".json" {
// TODO: implement ParseSchemaJSON with io.Reader or read contents
// before passing them.
contents, err := ioutil.ReadAll(fp)
if err != nil {
return nil, err
}
return schema.ParseSchemaJSON(contents)
} else if ext == ".ridl" {
rdr := ridl.NewParser(schema.NewReader(fp, path))
s, err := rdr.Parse()
if err != nil {
return nil, err
}
return s, nil
} else {
return nil, fmt.Errorf("error! invalid extension, %s: %w", ext, err)
}
}