vendor/golang.org/x/text/encoding/korean/maketables.go

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// +build ignore

package main

// This program generates tables.go:
//	go run maketables.go | gofmt > tables.go

import (
	"bufio"
	"fmt"
	"log"
	"net/http"
	"sort"
	"strings"
)

func main() {
	fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
	fmt.Printf("// Package korean provides Korean encodings such as EUC-KR.\n")
	fmt.Printf(`package korean // import "golang.org/x/text/encoding/korean"` + "\n\n")

	res, err := http.Get("http://encoding.spec.whatwg.org/index-euc-kr.txt")
	if err != nil {
		log.Fatalf("Get: %v", err)
	}
	defer res.Body.Close()

	mapping := [65536]uint16{}
	reverse := [65536]uint16{}

	scanner := bufio.NewScanner(res.Body)
	for scanner.Scan() {
		s := strings.TrimSpace(scanner.Text())
		if s == "" || s[0] == '#' {
			continue
		}
		x, y := uint16(0), uint16(0)
		if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil {
			log.Fatalf("could not parse %q", s)
		}
		if x < 0 || 178*(0xc7-0x81)+(0xfe-0xc7)*94+(0xff-0xa1) <= x {
			log.Fatalf("EUC-KR code %d is out of range", x)
		}
		mapping[x] = y
		if reverse[y] == 0 {
			c0, c1 := uint16(0), uint16(0)
			if x < 178*(0xc7-0x81) {
				c0 = uint16(x/178) + 0x81
				c1 = uint16(x % 178)
				switch {
				case c1 < 1*26:
					c1 += 0x41
				case c1 < 2*26:
					c1 += 0x47
				default:
					c1 += 0x4d