Add support for make vendor-in-container

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

7 files changed, 0 insertions, 1476 deletions

diff --git a/vendor/golang.org/x/text/encoding/charmap/maketables.go b/vendor/golang.org/x/text/encoding/charmap/maketables.go
deleted file mode 100644
index f7941701e..000000000
--- a/vendor/golang.org/x/text/encoding/charmap/maketables.go
+++ /dev/null
@@ -1,556 +0,0 @@
-// 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
-
-import (
-	"bufio"
-	"fmt"
-	"log"
-	"net/http"
-	"sort"
-	"strings"
-	"unicode/utf8"
-
-	"golang.org/x/text/encoding"
-	"golang.org/x/text/internal/gen"
-)
-
-const ascii = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" +
-	"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
-	` !"#$%&'()*+,-./0123456789:;<=>?` +
-	`@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_` +
-	"`abcdefghijklmnopqrstuvwxyz{|}~\u007f"
-
-var encodings = []struct {
-	name        string
-	mib         string
-	comment     string
-	varName     string
-	replacement byte
-	mapping     string
-}{
-	{
-		"IBM Code Page 037",
-		"IBM037",
-		"",
-		"CodePage037",
-		0x3f,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM037-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 437",
-		"PC8CodePage437",
-		"",
-		"CodePage437",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM437-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 850",
-		"PC850Multilingual",
-		"",
-		"CodePage850",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM850-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 852",
-		"PCp852",
-		"",
-		"CodePage852",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM852-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 855",
-		"IBM855",
-		"",
-		"CodePage855",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM855-2.1.2.ucm",
-	},
-	{
-		"Windows Code Page 858", // PC latin1 with Euro
-		"IBM00858",
-		"",
-		"CodePage858",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/windows-858-2000.ucm",
-	},
-	{
-		"IBM Code Page 860",
-		"IBM860",
-		"",
-		"CodePage860",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM860-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 862",
-		"PC862LatinHebrew",
-		"",
-		"CodePage862",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM862-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 863",
-		"IBM863",
-		"",
-		"CodePage863",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM863-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 865",
-		"IBM865",
-		"",
-		"CodePage865",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM865-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 866",
-		"IBM866",
-		"",
-		"CodePage866",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-ibm866.txt",
-	},
-	{
-		"IBM Code Page 1047",
-		"IBM1047",
-		"",
-		"CodePage1047",
-		0x3f,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM1047-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 1140",
-		"IBM01140",
-		"",
-		"CodePage1140",
-		0x3f,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/ibm-1140_P100-1997.ucm",
-	},
-	{
-		"ISO 8859-1",
-		"ISOLatin1",
-		"",
-		"ISO8859_1",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/iso-8859_1-1998.ucm",
-	},
-	{
-		"ISO 8859-2",
-		"ISOLatin2",
-		"",
-		"ISO8859_2",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-2.txt",
-	},
-	{
-		"ISO 8859-3",
-		"ISOLatin3",
-		"",
-		"ISO8859_3",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-3.txt",
-	},
-	{
-		"ISO 8859-4",
-		"ISOLatin4",
-		"",
-		"ISO8859_4",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-4.txt",
-	},
-	{
-		"ISO 8859-5",
-		"ISOLatinCyrillic",
-		"",
-		"ISO8859_5",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-5.txt",
-	},
-	{
-		"ISO 8859-6",
-		"ISOLatinArabic",
-		"",
-		"ISO8859_6,ISO8859_6E,ISO8859_6I",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-6.txt",
-	},
-	{
-		"ISO 8859-7",
-		"ISOLatinGreek",
-		"",
-		"ISO8859_7",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-7.txt",
-	},
-	{
-		"ISO 8859-8",
-		"ISOLatinHebrew",
-		"",
-		"ISO8859_8,ISO8859_8E,ISO8859_8I",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-8.txt",
-	},
-	{
-		"ISO 8859-9",
-		"ISOLatin5",
-		"",
-		"ISO8859_9",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/iso-8859_9-1999.ucm",
-	},
-	{
-		"ISO 8859-10",
-		"ISOLatin6",
-		"",
-		"ISO8859_10",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-10.txt",
-	},
-	{
-		"ISO 8859-13",
-		"ISO885913",
-		"",
-		"ISO8859_13",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-13.txt",
-	},
-	{
-		"ISO 8859-14",
-		"ISO885914",
-		"",
-		"ISO8859_14",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-14.txt",
-	},
-	{
-		"ISO 8859-15",
-		"ISO885915",
-		"",
-		"ISO8859_15",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-15.txt",
-	},
-	{
-		"ISO 8859-16",
-		"ISO885916",
-		"",
-		"ISO8859_16",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-16.txt",
-	},
-	{
-		"KOI8-R",
-		"KOI8R",
-		"",
-		"KOI8R",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-koi8-r.txt",
-	},
-	{
-		"KOI8-U",
-		"KOI8U",
-		"",
-		"KOI8U",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-koi8-u.txt",
-	},
-	{
-		"Macintosh",
-		"Macintosh",
-		"",
-		"Macintosh",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-macintosh.txt",
-	},
-	{
-		"Macintosh Cyrillic",
-		"MacintoshCyrillic",
-		"",
-		"MacintoshCyrillic",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-x-mac-cyrillic.txt",
-	},
-	{
-		"Windows 874",
-		"Windows874",
-		"",
-		"Windows874",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-874.txt",
-	},
-	{
-		"Windows 1250",
-		"Windows1250",
-		"",
-		"Windows1250",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1250.txt",
-	},
-	{
-		"Windows 1251",
-		"Windows1251",
-		"",
-		"Windows1251",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1251.txt",
-	},
-	{
-		"Windows 1252",
-		"Windows1252",
-		"",
-		"Windows1252",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1252.txt",
-	},
-	{
-		"Windows 1253",
-		"Windows1253",
-		"",
-		"Windows1253",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1253.txt",
-	},
-	{
-		"Windows 1254",
-		"Windows1254",
-		"",
-		"Windows1254",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1254.txt",
-	},
-	{
-		"Windows 1255",
-		"Windows1255",
-		"",
-		"Windows1255",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1255.txt",
-	},
-	{
-		"Windows 1256",
-		"Windows1256",
-		"",
-		"Windows1256",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1256.txt",
-	},
-	{
-		"Windows 1257",
-		"Windows1257",
-		"",
-		"Windows1257",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1257.txt",
-	},
-	{
-		"Windows 1258",
-		"Windows1258",
-		"",
-		"Windows1258",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1258.txt",
-	},
-	{
-		"X-User-Defined",
-		"XUserDefined",
-		"It is defined at http://encoding.spec.whatwg.org/#x-user-defined",
-		"XUserDefined",
-		encoding.ASCIISub,
-		ascii +
-			"\uf780\uf781\uf782\uf783\uf784\uf785\uf786\uf787" +
-			"\uf788\uf789\uf78a\uf78b\uf78c\uf78d\uf78e\uf78f" +
-			"\uf790\uf791\uf792\uf793\uf794\uf795\uf796\uf797" +
-			"\uf798\uf799\uf79a\uf79b\uf79c\uf79d\uf79e\uf79f" +
-			"\uf7a0\uf7a1\uf7a2\uf7a3\uf7a4\uf7a5\uf7a6\uf7a7" +
-			"\uf7a8\uf7a9\uf7aa\uf7ab\uf7ac\uf7ad\uf7ae\uf7af" +
-			"\uf7b0\uf7b1\uf7b2\uf7b3\uf7b4\uf7b5\uf7b6\uf7b7" +
-			"\uf7b8\uf7b9\uf7ba\uf7bb\uf7bc\uf7bd\uf7be\uf7bf" +
-			"\uf7c0\uf7c1\uf7c2\uf7c3\uf7c4\uf7c5\uf7c6\uf7c7" +
-			"\uf7c8\uf7c9\uf7ca\uf7cb\uf7cc\uf7cd\uf7ce\uf7cf" +
-			"\uf7d0\uf7d1\uf7d2\uf7d3\uf7d4\uf7d5\uf7d6\uf7d7" +
-			"\uf7d8\uf7d9\uf7da\uf7db\uf7dc\uf7dd\uf7de\uf7df" +
-			"\uf7e0\uf7e1\uf7e2\uf7e3\uf7e4\uf7e5\uf7e6\uf7e7" +
-			"\uf7e8\uf7e9\uf7ea\uf7eb\uf7ec\uf7ed\uf7ee\uf7ef" +
-			"\uf7f0\uf7f1\uf7f2\uf7f3\uf7f4\uf7f5\uf7f6\uf7f7" +
-			"\uf7f8\uf7f9\uf7fa\uf7fb\uf7fc\uf7fd\uf7fe\uf7ff",
-	},
-}
-
-func getWHATWG(url string) string {
-	res, err := http.Get(url)
-	if err != nil {
-		log.Fatalf("%q: Get: %v", url, err)
-	}
-	defer res.Body.Close()
-
-	mapping := make([]rune, 128)
-	for i := range mapping {
-		mapping[i] = '\ufffd'
-	}
-
-	scanner := bufio.NewScanner(res.Body)
-	for scanner.Scan() {
-		s := strings.TrimSpace(scanner.Text())
-		if s == "" || s[0] == '#' {
-			continue
-		}
-		x, y := 0, 0
-		if _, err := fmt.Sscanf(s, "%d\t0x%x", &x, &y); err != nil {
-			log.Fatalf("could not parse %q", s)
-		}
-		if x < 0 || 128 <= x {
-			log.Fatalf("code %d is out of range", x)
-		}
-		if 0x80 <= y && y < 0xa0 {
-			// We diverge from the WHATWG spec by mapping control characters
-			// in the range [0x80, 0xa0) to U+FFFD.
-			continue
-		}
-		mapping[x] = rune(y)
-	}
-	return ascii + string(mapping)
-}
-
-func getUCM(url string) string {
-	res, err := http.Get(url)
-	if err != nil {
-		log.Fatalf("%q: Get: %v", url, err)
-	}
-	defer res.Body.Close()
-
-	mapping := make([]rune, 256)
-	for i := range mapping {
-		mapping[i] = '\ufffd'
-	}
-
-	charsFound := 0
-	scanner := bufio.NewScanner(res.Body)
-	for scanner.Scan() {
-		s := strings.TrimSpace(scanner.Text())
-		if s == "" || s[0] == '#' {
-			continue
-		}
-		var c byte
-		var r rune
-		if _, err := fmt.Sscanf(s, `<U%x> \x%x |0`, &r, &c); err != nil {
-			continue
-		}
-		mapping[c] = r
-		charsFound++
-	}
-
-	if charsFound < 200 {
-		log.Fatalf("%q: only %d characters found (wrong page format?)", url, charsFound)
-	}
-
-	return string(mapping)
-}
-
-func main() {
-	mibs := map[string]bool{}
-	all := []string{}
-
-	w := gen.NewCodeWriter()
-	defer w.WriteGoFile("tables.go", "charmap")
-
-	printf := func(s string, a ...interface{}) { fmt.Fprintf(w, s, a...) }
-
-	printf("import (\n")
-	printf("\t\"golang.org/x/text/encoding\"\n")
-	printf("\t\"golang.org/x/text/encoding/internal/identifier\"\n")
-	printf(")\n\n")
-	for _, e := range encodings {
-		varNames := strings.Split(e.varName, ",")
-		all = append(all, varNames...)
-		varName := varNames[0]
-		switch {
-		case strings.HasPrefix(e.mapping, "http://encoding.spec.whatwg.org/"):
-			e.mapping = getWHATWG(e.mapping)
-		case strings.HasPrefix(e.mapping, "http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/"):
-			e.mapping = getUCM(e.mapping)
-		}
-
-		asciiSuperset, low := strings.HasPrefix(e.mapping, ascii), 0x00
-		if asciiSuperset {
-			low = 0x80
-		}
-		lvn := 1
-		if strings.HasPrefix(varName, "ISO") || strings.HasPrefix(varName, "KOI") {
-			lvn = 3
-		}
-		lowerVarName := strings.ToLower(varName[:lvn]) + varName[lvn:]
-		printf("// %s is the %s encoding.\n", varName, e.name)
-		if e.comment != "" {
-			printf("//\n// %s\n", e.comment)
-		}
-		printf("var %s *Charmap = &%s\n\nvar %s = Charmap{\nname: %q,\n",
-			varName, lowerVarName, lowerVarName, e.name)
-		if mibs[e.mib] {
-			log.Fatalf("MIB type %q declared multiple times.", e.mib)
-		}
-		printf("mib: identifier.%s,\n", e.mib)
-		printf("asciiSuperset: %t,\n", asciiSuperset)
-		printf("low: 0x%02x,\n", low)
-		printf("replacement: 0x%02x,\n", e.replacement)
-
-		printf("decode: [256]utf8Enc{\n")
-		i, backMapping := 0, map[rune]byte{}
-		for _, c := range e.mapping {
-			if _, ok := backMapping[c]; !ok && c != utf8.RuneError {
-				backMapping[c] = byte(i)
-			}
-			var buf [8]byte
-			n := utf8.EncodeRune(buf[:], c)
-			if n > 3 {
-				panic(fmt.Sprintf("rune %q (%U) is too long", c, c))
-			}
-			printf("{%d,[3]byte{0x%02x,0x%02x,0x%02x}},", n, buf[0], buf[1], buf[2])
-			if i%2 == 1 {
-				printf("\n")
-			}
-			i++
-		}
-		printf("},\n")
-
-		printf("encode: [256]uint32{\n")
-		encode := make([]uint32, 0, 256)
-		for c, i := range backMapping {
-			encode = append(encode, uint32(i)<<24|uint32(c))
-		}
-		sort.Sort(byRune(encode))
-		for len(encode) < cap(encode) {
-			encode = append(encode, encode[len(encode)-1])
-		}
-		for i, enc := range encode {
-			printf("0x%08x,", enc)
-			if i%8 == 7 {
-				printf("\n")
-			}
-		}
-		printf("},\n}\n")
-
-		// Add an estimate of the size of a single Charmap{} struct value, which
-		// includes two 256 elem arrays of 4 bytes and some extra fields, which
-		// align to 3 uint64s on 64-bit architectures.
-		w.Size += 2*4*256 + 3*8
-	}
-	// TODO: add proper line breaking.
-	printf("var listAll = []encoding.Encoding{\n%s,\n}\n\n", strings.Join(all, ",\n"))
-}
-
-type byRune []uint32
-
-func (b byRune) Len() int           { return len(b) }
-func (b byRune) Less(i, j int) bool { return b[i]&0xffffff < b[j]&0xffffff }
-func (b byRune) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
diff --git a/vendor/golang.org/x/text/encoding/htmlindex/gen.go b/vendor/golang.org/x/text/encoding/htmlindex/gen.go
deleted file mode 100644
index ac6b4a77f..000000000
--- a/vendor/golang.org/x/text/encoding/htmlindex/gen.go
+++ /dev/null
@@ -1,173 +0,0 @@
-// Copyright 2015 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
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-	"log"
-	"strings"
-
-	"golang.org/x/text/internal/gen"
-)
-
-type group struct {
-	Encodings []struct {
-		Labels []string
-		Name   string
-	}
-}
-
-func main() {
-	gen.Init()
-
-	r := gen.Open("https://encoding.spec.whatwg.org", "whatwg", "encodings.json")
-	var groups []group
-	if err := json.NewDecoder(r).Decode(&groups); err != nil {
-		log.Fatalf("Error reading encodings.json: %v", err)
-	}
-
-	w := &bytes.Buffer{}
-	fmt.Fprintln(w, "type htmlEncoding byte")
-	fmt.Fprintln(w, "const (")
-	for i, g := range groups {
-		for _, e := range g.Encodings {
-			key := strings.ToLower(e.Name)
-			name := consts[key]
-			if name == "" {
-				log.Fatalf("No const defined for %s.", key)
-			}
-			if i == 0 {
-				fmt.Fprintf(w, "%s htmlEncoding = iota\n", name)
-			} else {
-				fmt.Fprintf(w, "%s\n", name)
-			}
-		}
-	}
-	fmt.Fprintln(w, "numEncodings")
-	fmt.Fprint(w, ")\n\n")
-
-	fmt.Fprintln(w, "var canonical = [numEncodings]string{")
-	for _, g := range groups {
-		for _, e := range g.Encodings {
-			fmt.Fprintf(w, "%q,\n", strings.ToLower(e.Name))
-		}
-	}
-	fmt.Fprint(w, "}\n\n")
-
-	fmt.Fprintln(w, "var nameMap = map[string]htmlEncoding{")
-	for _, g := range groups {
-		for _, e := range g.Encodings {
-			for _, l := range e.Labels {
-				key := strings.ToLower(e.Name)
-				name := consts[key]
-				fmt.Fprintf(w, "%q: %s,\n", l, name)
-			}
-		}
-	}
-	fmt.Fprint(w, "}\n\n")
-
-	var tags []string
-	fmt.Fprintln(w, "var localeMap = []htmlEncoding{")
-	for _, loc := range locales {
-		tags = append(tags, loc.tag)
-		fmt.Fprintf(w, "%s, // %s \n", consts[loc.name], loc.tag)
-	}
-	fmt.Fprint(w, "}\n\n")
-
-	fmt.Fprintf(w, "const locales = %q\n", strings.Join(tags, " "))
-
-	gen.WriteGoFile("tables.go", "htmlindex", w.Bytes())
-}
-
-// consts maps canonical encoding name to internal constant.
-var consts = map[string]string{
-	"utf-8":          "utf8",
-	"ibm866":         "ibm866",
-	"iso-8859-2":     "iso8859_2",
-	"iso-8859-3":     "iso8859_3",
-	"iso-8859-4":     "iso8859_4",
-	"iso-8859-5":     "iso8859_5",
-	"iso-8859-6":     "iso8859_6",
-	"iso-8859-7":     "iso8859_7",
-	"iso-8859-8":     "iso8859_8",
-	"iso-8859-8-i":   "iso8859_8I",
-	"iso-8859-10":    "iso8859_10",
-	"iso-8859-13":    "iso8859_13",
-	"iso-8859-14":    "iso8859_14",
-	"iso-8859-15":    "iso8859_15",
-	"iso-8859-16":    "iso8859_16",
-	"koi8-r":         "koi8r",
-	"koi8-u":         "koi8u",
-	"macintosh":      "macintosh",
-	"windows-874":    "windows874",
-	"windows-1250":   "windows1250",
-	"windows-1251":   "windows1251",
-	"windows-1252":   "windows1252",
-	"windows-1253":   "windows1253",
-	"windows-1254":   "windows1254",
-	"windows-1255":   "windows1255",
-	"windows-1256":   "windows1256",
-	"windows-1257":   "windows1257",
-	"windows-1258":   "windows1258",
-	"x-mac-cyrillic": "macintoshCyrillic",
-	"gbk":            "gbk",
-	"gb18030":        "gb18030",
-	// "hz-gb-2312":     "hzgb2312", // Was removed from WhatWG
-	"big5":           "big5",
-	"euc-jp":         "eucjp",
-	"iso-2022-jp":    "iso2022jp",
-	"shift_jis":      "shiftJIS",
-	"euc-kr":         "euckr",
-	"replacement":    "replacement",
-	"utf-16be":       "utf16be",
-	"utf-16le":       "utf16le",
-	"x-user-defined": "xUserDefined",
-}
-
-// locales is taken from
-// https://html.spec.whatwg.org/multipage/syntax.html#encoding-sniffing-algorithm.
-var locales = []struct{ tag, name string }{
-	// The default value. Explicitly state latin to benefit from the exact
-	// script option, while still making 1252 the default encoding for languages
-	// written in Latin script.
-	{"und_Latn", "windows-1252"},
-	{"ar", "windows-1256"},
-	{"ba", "windows-1251"},
-	{"be", "windows-1251"},
-	{"bg", "windows-1251"},
-	{"cs", "windows-1250"},
-	{"el", "iso-8859-7"},
-	{"et", "windows-1257"},
-	{"fa", "windows-1256"},
-	{"he", "windows-1255"},
-	{"hr", "windows-1250"},
-	{"hu", "iso-8859-2"},
-	{"ja", "shift_jis"},
-	{"kk", "windows-1251"},
-	{"ko", "euc-kr"},
-	{"ku", "windows-1254"},
-	{"ky", "windows-1251"},
-	{"lt", "windows-1257"},
-	{"lv", "windows-1257"},
-	{"mk", "windows-1251"},
-	{"pl", "iso-8859-2"},
-	{"ru", "windows-1251"},
-	{"sah", "windows-1251"},
-	{"sk", "windows-1250"},
-	{"sl", "iso-8859-2"},
-	{"sr", "windows-1251"},
-	{"tg", "windows-1251"},
-	{"th", "windows-874"},
-	{"tr", "windows-1254"},
-	{"tt", "windows-1251"},
-	{"uk", "windows-1251"},
-	{"vi", "windows-1258"},
-	{"zh-hans", "gb18030"},
-	{"zh-hant", "big5"},
-}
diff --git a/vendor/golang.org/x/text/encoding/internal/identifier/gen.go b/vendor/golang.org/x/text/encoding/internal/identifier/gen.go
deleted file mode 100644
index 26cfef9c6..000000000
--- a/vendor/golang.org/x/text/encoding/internal/identifier/gen.go
+++ /dev/null
@@ -1,142 +0,0 @@
-// Copyright 2015 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
-
-import (
-	"bytes"
-	"encoding/xml"
-	"fmt"
-	"io"
-	"log"
-	"strings"
-
-	"golang.org/x/text/internal/gen"
-)
-
-type registry struct {
-	XMLName  xml.Name `xml:"registry"`
-	Updated  string   `xml:"updated"`
-	Registry []struct {
-		ID     string `xml:"id,attr"`
-		Record []struct {
-			Name string `xml:"name"`
-			Xref []struct {
-				Type string `xml:"type,attr"`
-				Data string `xml:"data,attr"`
-			} `xml:"xref"`
-			Desc struct {
-				Data string `xml:",innerxml"`
-				// Any []struct {
-				// 	Data string `xml:",chardata"`
-				// } `xml:",any"`
-				// Data string `xml:",chardata"`
-			} `xml:"description,"`
-			MIB   string   `xml:"value"`
-			Alias []string `xml:"alias"`
-			MIME  string   `xml:"preferred_alias"`
-		} `xml:"record"`
-	} `xml:"registry"`
-}
-
-func main() {
-	r := gen.OpenIANAFile("assignments/character-sets/character-sets.xml")
-	reg := &registry{}
-	if err := xml.NewDecoder(r).Decode(&reg); err != nil && err != io.EOF {
-		log.Fatalf("Error decoding charset registry: %v", err)
-	}
-	if len(reg.Registry) == 0 || reg.Registry[0].ID != "character-sets-1" {
-		log.Fatalf("Unexpected ID %s", reg.Registry[0].ID)
-	}
-
-	w := &bytes.Buffer{}
-	fmt.Fprintf(w, "const (\n")
-	for _, rec := range reg.Registry[0].Record {
-		constName := ""
-		for _, a := range rec.Alias {
-			if strings.HasPrefix(a, "cs") && strings.IndexByte(a, '-') == -1 {
-				// Some of the constant definitions have comments in them. Strip those.
-				constName = strings.Title(strings.SplitN(a[2:], "\n", 2)[0])
-			}
-		}
-		if constName == "" {
-			switch rec.MIB {
-			case "2085":
-				constName = "HZGB2312" // Not listed as alias for some reason.
-			default:
-				log.Fatalf("No cs alias defined for %s.", rec.MIB)
-			}
-		}
-		if rec.MIME != "" {
-			rec.MIME = fmt.Sprintf(" (MIME: %s)", rec.MIME)
-		}
-		fmt.Fprintf(w, "// %s is the MIB identifier with IANA name %s%s.\n//\n", constName, rec.Name, rec.MIME)
-		if len(rec.Desc.Data) > 0 {
-			fmt.Fprint(w, "// ")
-			d := xml.NewDecoder(strings.NewReader(rec.Desc.Data))
-			inElem := true
-			attr := ""
-			for {
-				t, err := d.Token()
-				if err != nil {
-					if err != io.EOF {
-						log.Fatal(err)
-					}
-					break
-				}
-				switch x := t.(type) {
-				case xml.CharData:
-					attr = "" // Don't need attribute info.
-					a := bytes.Split([]byte(x), []byte("\n"))
-					for i, b := range a {
-						if b = bytes.TrimSpace(b); len(b) != 0 {
-							if !inElem && i > 0 {
-								fmt.Fprint(w, "\n// ")
-							}
-							inElem = false
-							fmt.Fprintf(w, "%s ", string(b))
-						}
-					}
-				case xml.StartElement:
-					if x.Name.Local == "xref" {
-						inElem = true
-						use := false
-						for _, a := range x.Attr {
-							if a.Name.Local == "type" {
-								use = use || a.Value != "person"
-							}
-							if a.Name.Local == "data" && use {
-								// Patch up URLs to use https. From some links, the
-								// https version is different from the http one.
-								s := a.Value
-								s = strings.Replace(s, "http://", "https://", -1)
-								s = strings.Replace(s, "/unicode/", "/", -1)
-								attr = s + " "
-							}
-						}
-					}
-				case xml.EndElement:
-					inElem = false
-					fmt.Fprint(w, attr)
-				}
-			}
-			fmt.Fprint(w, "\n")
-		}
-		for _, x := range rec.Xref {
-			switch x.Type {
-			case "rfc":
-				fmt.Fprintf(w, "// Reference: %s\n", strings.ToUpper(x.Data))
-			case "uri":
-				fmt.Fprintf(w, "// Reference: %s\n", x.Data)
-			}
-		}
-		fmt.Fprintf(w, "%s MIB = %s\n", constName, rec.MIB)
-		fmt.Fprintln(w)
-	}
-	fmt.Fprintln(w, ")")
-
-	gen.WriteGoFile("mib.go", "identifier", w.Bytes())
-}
diff --git a/vendor/golang.org/x/text/encoding/japanese/maketables.go b/vendor/golang.org/x/text/encoding/japanese/maketables.go
deleted file mode 100644
index 023957a67..000000000
--- a/vendor/golang.org/x/text/encoding/japanese/maketables.go
+++ /dev/null
@@ -1,161 +0,0 @@
-// 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
-
-// TODO: Emoji extensions?
-// https://www.unicode.org/faq/emoji_dingbats.html
-// https://www.unicode.org/Public/UNIDATA/EmojiSources.txt
-
-import (
-	"bufio"
-	"fmt"
-	"log"
-	"net/http"
-	"sort"
-	"strings"
-)
-
-type entry struct {
-	jisCode, table int
-}
-
-func main() {
-	fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
-	fmt.Printf("// Package japanese provides Japanese encodings such as EUC-JP and Shift JIS.\n")
-	fmt.Printf(`package japanese // import "golang.org/x/text/encoding/japanese"` + "\n\n")
-
-	reverse := [65536]entry{}
-	for i := range reverse {
-		reverse[i].table = -1
-	}
-
-	tables := []struct {
-		url  string
-		name string
-	}{
-		{"http://encoding.spec.whatwg.org/index-jis0208.txt", "0208"},
-		{"http://encoding.spec.whatwg.org/index-jis0212.txt", "0212"},
-	}
-	for i, table := range tables {
-		res, err := http.Get(table.url)
-		if err != nil {
-			log.Fatalf("%q: Get: %v", table.url, err)
-		}
-		defer res.Body.Close()
-
-		mapping := [65536]uint16{}
-
-		scanner := bufio.NewScanner(res.Body)
-		for scanner.Scan() {
-			s := strings.TrimSpace(scanner.Text())
-			if s == "" || s[0] == '#' {
-				continue
-			}
-			x, y := 0, uint16(0)
-			if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil {
-				log.Fatalf("%q: could not parse %q", table.url, s)
-			}
-			if x < 0 || 120*94 <= x {
-				log.Fatalf("%q: JIS code %d is out of range", table.url, x)
-			}
-			mapping[x] = y
-			if reverse[y].table == -1 {
-				reverse[y] = entry{jisCode: x, table: i}
-			}
-		}
-		if err := scanner.Err(); err != nil {
-			log.Fatalf("%q: scanner error: %v", table.url, err)
-		}
-
-		fmt.Printf("// jis%sDecode is the decoding table from JIS %s code to Unicode.\n// It is defined at %s\n",
-			table.name, table.name, table.url)
-		fmt.Printf("var jis%sDecode = [...]uint16{\n", table.name)
-		for i, m := range mapping {
-			if m != 0 {
-				fmt.Printf("\t%d: 0x%04X,\n", i, m)
-			}
-		}
-		fmt.Printf("}\n\n")
-	}
-
-	// Any run of at least separation continuous zero entries in the reverse map will
-	// be a separate encode table.
-	const separation = 1024
-
-	intervals := []interval(nil)
-	low, high := -1, -1
-	for i, v := range reverse {
-		if v.table == -1 {
-			continue
-		}
-		if low < 0 {
-			low = i
-		} else if i-high >= separation {
-			if high >= 0 {
-				intervals = append(intervals, interval{low, high})
-			}
-			low = i
-		}
-		high = i + 1
-	}
-	if high >= 0 {
-		intervals = append(intervals, interval{low, high})
-	}
-	sort.Sort(byDecreasingLength(intervals))
-
-	fmt.Printf("const (\n")
-	fmt.Printf("\tjis0208    = 1\n")
-	fmt.Printf("\tjis0212    = 2\n")
-	fmt.Printf("\tcodeMask   = 0x7f\n")
-	fmt.Printf("\tcodeShift  = 7\n")
-	fmt.Printf("\ttableShift = 14\n")
-	fmt.Printf(")\n\n")
-
-	fmt.Printf("const numEncodeTables = %d\n\n", len(intervals))
-	fmt.Printf("// encodeX are the encoding tables from Unicode to JIS code,\n")
-	fmt.Printf("// sorted by decreasing length.\n")
-	for i, v := range intervals {
-		fmt.Printf("// encode%d: %5d entries for runes in [%5d, %5d).\n", i, v.len(), v.low, v.high)
-	}
-	fmt.Printf("//\n")
-	fmt.Printf("// The high two bits of the value record whether the JIS code comes from the\n")
-	fmt.Printf("// JIS0208 table (high bits == 1) or the JIS0212 table (high bits == 2).\n")
-	fmt.Printf("// The low 14 bits are two 7-bit unsigned integers j1 and j2 that form the\n")
-	fmt.Printf("// JIS code (94*j1 + j2) within that table.\n")
-	fmt.Printf("\n")
-
-	for i, v := range intervals {
-		fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high)
-		fmt.Printf("var encode%d = [...]uint16{\n", i)
-		for j := v.low; j < v.high; j++ {
-			x := reverse[j]
-			if x.table == -1 {
-				continue
-			}
-			fmt.Printf("\t%d - %d: jis%s<<14 | 0x%02X<<7 | 0x%02X,\n",
-				j, v.low, tables[x.table].name, x.jisCode/94, x.jisCode%94)
-		}
-		fmt.Printf("}\n\n")
-	}
-}
-
-// interval is a half-open interval [low, high).
-type interval struct {
-	low, high int
-}
-
-func (i interval) len() int { return i.high - i.low }
-
-// byDecreasingLength sorts intervals by decreasing length.
-type byDecreasingLength []interval
-
-func (b byDecreasingLength) Len() int           { return len(b) }
-func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() }
-func (b byDecreasingLength) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
diff --git a/vendor/golang.org/x/text/encoding/korean/maketables.go b/vendor/golang.org/x/text/encoding/korean/maketables.go
deleted file mode 100644
index c84034fb6..000000000
--- a/vendor/golang.org/x/text/encoding/korean/maketables.go
+++ /dev/null
@@ -1,143 +0,0 @@
-// 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
-				}
-			} else {
-				x -= 178 * (0xc7 - 0x81)
-				c0 = uint16(x/94) + 0xc7
-				c1 = uint16(x%94) + 0xa1
-			}
-			reverse[y] = c0<<8 | c1
-		}
-	}
-	if err := scanner.Err(); err != nil {
-		log.Fatalf("scanner error: %v", err)
-	}
-
-	fmt.Printf("// decode is the decoding table from EUC-KR code to Unicode.\n")
-	fmt.Printf("// It is defined at http://encoding.spec.whatwg.org/index-euc-kr.txt\n")
-	fmt.Printf("var decode = [...]uint16{\n")
-	for i, v := range mapping {
-		if v != 0 {
-			fmt.Printf("\t%d: 0x%04X,\n", i, v)
-		}
-	}
-	fmt.Printf("}\n\n")
-
-	// Any run of at least separation continuous zero entries in the reverse map will
-	// be a separate encode table.
-	const separation = 1024
-
-	intervals := []interval(nil)
-	low, high := -1, -1
-	for i, v := range reverse {
-		if v == 0 {
-			continue
-		}
-		if low < 0 {
-			low = i
-		} else if i-high >= separation {
-			if high >= 0 {
-				intervals = append(intervals, interval{low, high})
-			}
-			low = i
-		}
-		high = i + 1
-	}
-	if high >= 0 {
-		intervals = append(intervals, interval{low, high})
-	}
-	sort.Sort(byDecreasingLength(intervals))
-
-	fmt.Printf("const numEncodeTables = %d\n\n", len(intervals))
-	fmt.Printf("// encodeX are the encoding tables from Unicode to EUC-KR code,\n")
-	fmt.Printf("// sorted by decreasing length.\n")
-	for i, v := range intervals {
-		fmt.Printf("// encode%d: %5d entries for runes in [%5d, %5d).\n", i, v.len(), v.low, v.high)
-	}
-	fmt.Printf("\n")
-
-	for i, v := range intervals {
-		fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high)
-		fmt.Printf("var encode%d = [...]uint16{\n", i)
-		for j := v.low; j < v.high; j++ {
-			x := reverse[j]
-			if x == 0 {
-				continue
-			}
-			fmt.Printf("\t%d-%d: 0x%04X,\n", j, v.low, x)
-		}
-		fmt.Printf("}\n\n")
-	}
-}
-
-// interval is a half-open interval [low, high).
-type interval struct {
-	low, high int
-}
-
-func (i interval) len() int { return i.high - i.low }
-
-// byDecreasingLength sorts intervals by decreasing length.
-type byDecreasingLength []interval
-
-func (b byDecreasingLength) Len() int           { return len(b) }
-func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() }
-func (b byDecreasingLength) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
diff --git a/vendor/golang.org/x/text/encoding/simplifiedchinese/maketables.go b/vendor/golang.org/x/text/encoding/simplifiedchinese/maketables.go
deleted file mode 100644
index 55016c786..000000000
--- a/vendor/golang.org/x/text/encoding/simplifiedchinese/maketables.go
+++ /dev/null
@@ -1,161 +0,0 @@
-// 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 simplifiedchinese provides Simplified Chinese encodings such as GBK.\n")
-	fmt.Printf(`package simplifiedchinese // import "golang.org/x/text/encoding/simplifiedchinese"` + "\n\n")
-
-	printGB18030()
-	printGBK()
-}
-
-func printGB18030() {
-	res, err := http.Get("http://encoding.spec.whatwg.org/index-gb18030.txt")
-	if err != nil {
-		log.Fatalf("Get: %v", err)
-	}
-	defer res.Body.Close()
-
-	fmt.Printf("// gb18030 is the table from http://encoding.spec.whatwg.org/index-gb18030.txt\n")
-	fmt.Printf("var gb18030 = [...][2]uint16{\n")
-	scanner := bufio.NewScanner(res.Body)
-	for scanner.Scan() {
-		s := strings.TrimSpace(scanner.Text())
-		if s == "" || s[0] == '#' {
-			continue
-		}
-		x, y := uint32(0), uint32(0)
-		if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil {
-			log.Fatalf("could not parse %q", s)
-		}
-		if x < 0x10000 && y < 0x10000 {
-			fmt.Printf("\t{0x%04x, 0x%04x},\n", x, y)
-		}
-	}
-	fmt.Printf("}\n\n")
-}
-
-func printGBK() {
-	res, err := http.Get("http://encoding.spec.whatwg.org/index-gbk.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 || 126*190 <= x {
-			log.Fatalf("GBK code %d is out of range", x)
-		}
-		mapping[x] = y
-		if reverse[y] == 0 {
-			c0, c1 := x/190, x%190
-			if c1 >= 0x3f {
-				c1++
-			}
-			reverse[y] = (0x81+c0)<<8 | (0x40 + c1)
-		}
-	}
-	if err := scanner.Err(); err != nil {
-		log.Fatalf("scanner error: %v", err)
-	}
-
-	fmt.Printf("// decode is the decoding table from GBK code to Unicode.\n")
-	fmt.Printf("// It is defined at http://encoding.spec.whatwg.org/index-gbk.txt\n")
-	fmt.Printf("var decode = [...]uint16{\n")
-	for i, v := range mapping {
-		if v != 0 {
-			fmt.Printf("\t%d: 0x%04X,\n", i, v)
-		}
-	}
-	fmt.Printf("}\n\n")
-
-	// Any run of at least separation continuous zero entries in the reverse map will
-	// be a separate encode table.
-	const separation = 1024
-
-	intervals := []interval(nil)
-	low, high := -1, -1
-	for i, v := range reverse {
-		if v == 0 {
-			continue
-		}
-		if low < 0 {
-			low = i
-		} else if i-high >= separation {
-			if high >= 0 {
-				intervals = append(intervals, interval{low, high})
-			}
-			low = i
-		}
-		high = i + 1
-	}
-	if high >= 0 {
-		intervals = append(intervals, interval{low, high})
-	}
-	sort.Sort(byDecreasingLength(intervals))
-
-	fmt.Printf("const numEncodeTables = %d\n\n", len(intervals))
-	fmt.Printf("// encodeX are the encoding tables from Unicode to GBK code,\n")
-	fmt.Printf("// sorted by decreasing length.\n")
-	for i, v := range intervals {
-		fmt.Printf("// encode%d: %5d entries for runes in [%5d, %5d).\n", i, v.len(), v.low, v.high)
-	}
-	fmt.Printf("\n")
-
-	for i, v := range intervals {
-		fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high)
-		fmt.Printf("var encode%d = [...]uint16{\n", i)
-		for j := v.low; j < v.high; j++ {
-			x := reverse[j]
-			if x == 0 {
-				continue
-			}
-			fmt.Printf("\t%d-%d: 0x%04X,\n", j, v.low, x)
-		}
-		fmt.Printf("}\n\n")
-	}
-}
-
-// interval is a half-open interval [low, high).
-type interval struct {
-	low, high int
-}
-
-func (i interval) len() int { return i.high - i.low }
-
-// byDecreasingLength sorts intervals by decreasing length.
-type byDecreasingLength []interval
-
-func (b byDecreasingLength) Len() int           { return len(b) }
-func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() }
-func (b byDecreasingLength) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
diff --git a/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go b/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go
deleted file mode 100644
index cf7fdb31a..000000000
--- a/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go
+++ /dev/null
@@ -1,140 +0,0 @@
-// 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 traditionalchinese provides Traditional Chinese encodings such as Big5.\n")
-	fmt.Printf(`package traditionalchinese // import "golang.org/x/text/encoding/traditionalchinese"` + "\n\n")
-
-	res, err := http.Get("http://encoding.spec.whatwg.org/index-big5.txt")
-	if err != nil {
-		log.Fatalf("Get: %v", err)
-	}
-	defer res.Body.Close()
-
-	mapping := [65536]uint32{}
-	reverse := [65536 * 4]uint16{}
-
-	scanner := bufio.NewScanner(res.Body)
-	for scanner.Scan() {
-		s := strings.TrimSpace(scanner.Text())
-		if s == "" || s[0] == '#' {
-			continue
-		}
-		x, y := uint16(0), uint32(0)
-		if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil {
-			log.Fatalf("could not parse %q", s)
-		}
-		if x < 0 || 126*157 <= x {
-			log.Fatalf("Big5 code %d is out of range", x)
-		}
-		mapping[x] = y
-
-		// The WHATWG spec http://encoding.spec.whatwg.org/#indexes says that
-		// "The index pointer for code point in index is the first pointer
-		// corresponding to code point in index", which would normally mean
-		// that the code below should be guarded by "if reverse[y] == 0", but
-		// last instead of first seems to match the behavior of
-		// "iconv -f UTF-8 -t BIG5". For example, U+8005 者 occurs twice in
-		// http://encoding.spec.whatwg.org/index-big5.txt, as index 2148
-		// (encoded as "\x8e\xcd") and index 6543 (encoded as "\xaa\xcc")
-		// and "echo 者 | iconv -f UTF-8 -t BIG5 | xxd" gives "\xaa\xcc".
-		c0, c1 := x/157, x%157
-		if c1 < 0x3f {
-			c1 += 0x40
-		} else {
-			c1 += 0x62
-		}
-		reverse[y] = (0x81+c0)<<8 | c1
-	}
-	if err := scanner.Err(); err != nil {
-		log.Fatalf("scanner error: %v", err)
-	}
-
-	fmt.Printf("// decode is the decoding table from Big5 code to Unicode.\n")
-	fmt.Printf("// It is defined at http://encoding.spec.whatwg.org/index-big5.txt\n")
-	fmt.Printf("var decode = [...]uint32{\n")
-	for i, v := range mapping {
-		if v != 0 {
-			fmt.Printf("\t%d: 0x%08X,\n", i, v)
-		}
-	}
-	fmt.Printf("}\n\n")
-
-	// Any run of at least separation continuous zero entries in the reverse map will
-	// be a separate encode table.
-	const separation = 1024
-
-	intervals := []interval(nil)
-	low, high := -1, -1
-	for i, v := range reverse {
-		if v == 0 {
-			continue
-		}
-		if low < 0 {
-			low = i
-		} else if i-high >= separation {
-			if high >= 0 {
-				intervals = append(intervals, interval{low, high})
-			}
-			low = i
-		}
-		high = i + 1
-	}
-	if high >= 0 {
-		intervals = append(intervals, interval{low, high})
-	}
-	sort.Sort(byDecreasingLength(intervals))
-
-	fmt.Printf("const numEncodeTables = %d\n\n", len(intervals))
-	fmt.Printf("// encodeX are the encoding tables from Unicode to Big5 code,\n")
-	fmt.Printf("// sorted by decreasing length.\n")
-	for i, v := range intervals {
-		fmt.Printf("// encode%d: %5d entries for runes in [%6d, %6d).\n", i, v.len(), v.low, v.high)
-	}
-	fmt.Printf("\n")
-
-	for i, v := range intervals {
-		fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high)
-		fmt.Printf("var encode%d = [...]uint16{\n", i)
-		for j := v.low; j < v.high; j++ {
-			x := reverse[j]
-			if x == 0 {
-				continue
-			}
-			fmt.Printf("\t%d-%d: 0x%04X,\n", j, v.low, x)
-		}
-		fmt.Printf("}\n\n")
-	}
-}
-
-// interval is a half-open interval [low, high).
-type interval struct {
-	low, high int
-}
-
-func (i interval) len() int { return i.high - i.low }
-
-// byDecreasingLength sorts intervals by decreasing length.
-type byDecreasingLength []interval
-
-func (b byDecreasingLength) Len() int           { return len(b) }
-func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() }
-func (b byDecreasingLength) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }