/
main.go
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/
main.go
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// Copyright 2018 Duncan Jones
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"io/ioutil"
"log"
"os"
"github.com/dmjones/goreadme/parse"
"github.com/BurntSushi/toml"
)
const configFile = ".goreadme.toml"
func main() {
if len(os.Args) > 2 {
log.Fatal("Usage: goreadme [out-file]")
}
config, err := readConfig()
logFatal(err, "Failed to read config")
wd, err := os.Getwd()
logFatal(err, "Failed to get directory info")
output, err := parse.ConvertDocs(wd, config)
logFatal(err, "Failed to parse package docs")
if len(os.Args) == 1 {
fmt.Println(output)
} else {
err = ioutil.WriteFile(os.Args[1], []byte(output), 0644)
logFatal(err, "Failed to write to file")
}
}
// readConfig reads the config file, if present, or returns the default config.
func readConfig() (*parse.Config, error) {
if _, err := os.Stat(configFile); os.IsNotExist(err) {
return parse.DefaultConfig(), nil
}
// Begin with default config. User can then overwrite what they want.
c := parse.DefaultConfig()
_, err := toml.DecodeFile(configFile, c)
if err != nil {
return nil, err
}
return c, nil
}
func logFatal(err error, msg string) {
if err != nil {
log.Fatal(msg + ": " + err.Error())
}
}