90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
/*
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* Copyright (c) 2016 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package main
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import (
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"errors"
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"flag"
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"fmt"
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"io"
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"log"
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"os"
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"path"
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)
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const (
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flagPrettyJson = 1 << iota
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)
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func usage() {
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fmt.Fprintf(os.Stderr, "Usage: %s file_format input_file output_file\n\n", path.Base(os.Args[0]))
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fmt.Fprintf(os.Stderr, "Parameters:\n")
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flag.PrintDefaults()
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}
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func outputJson(fileFormat, inputFile, outputFile string, flags int) error {
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handlers := map[string]func(io.Writer, io.Reader, int) error{
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"edict": outputEdictJson,
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"enamdict": outputJmnedictJson,
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"kanjidic": outputKanjidicJson,
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}
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handler, ok := handlers[fileFormat]
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if !ok {
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return errors.New("unrecognized file format")
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}
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input, err := os.Open(inputFile)
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if err != nil {
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return err
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}
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output, err := os.Create(outputFile)
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if err != nil {
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return err
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}
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return handler(output, input, flags)
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}
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func main() {
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prettyJson := flag.Bool("prettyJson", false, "output prettified json")
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flag.Usage = usage
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flag.Parse()
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var flags int
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if *prettyJson {
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flags |= flagPrettyJson
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}
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if flag.NArg() == 3 {
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if err := outputJson(flag.Arg(0), flag.Arg(1), flag.Arg(2), flags); err != nil {
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log.Fatal(err)
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}
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} else {
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usage()
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os.Exit(2)
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}
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}
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