skkserv.go

// See http://sleepboy-zzz.blogspot.jp/2014/12/emacsgoogleskk_29.html
package main

import (
	"golang.org/x/text/encoding/japanese"
	"golang.org/x/text/transform"
	"encoding/json"
	"github.com/akiym/go-skkserv"
	"net/http"
	"net/url"
	"strings"
	"io/ioutil"
)

type GoogleIMESKK struct{}

func (s *GoogleIMESKK) Request(text string) ([]string, error) {
	words, err := Transliterate(text)
	if err != nil {
		return nil, err
	}
	return words, nil
}


func Transliterate(text_src string) (words []string, err error) {
	iostr := strings.NewReader(text_src)
	ret, err := ioutil.ReadAll(transform.NewReader(iostr, japanese.EUCJP.NewDecoder()))
	text := string(ret)
	if err != nil {
		return words, err
	}
	v := url.Values{"langpair": {"ja-Hira|ja"}, "text": {text + ","}}
	resp, err := http.Get("http://www.google.com/transliterate?" + v.Encode())
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	dec := json.NewDecoder(resp.Body)
	var w [][]interface{}
	if err := dec.Decode(&w); err != nil {
		return nil, err
	}
	for _, v := range w[0][1].([]interface{}) {
		word := v.(string)
		wordio, err := ioutil.ReadAll(transform.NewReader(strings.NewReader(word), japanese.EUCJP.NewEncoder()))
		result := string(wordio)
		if err != nil {
			return words, err
		}
		words = append(words, result)
	}
	return words, nil
}

func main() {
	var server = skkserv.NewServer(":55100", &GoogleIMESKK{})
	server.Run()
}