From 8c12c6939aab9106db14ec2d11d983bc5b29fb2c Mon Sep 17 00:00:00 2001
From: Niall Sheridan <nsheridan@gmail.com>
Date: Sun, 7 Jul 2019 21:33:44 +0100
Subject: Switch to modules

---
 vendor/golang.org/x/net/idna/punycode.go | 203 -------------------------------
 1 file changed, 203 deletions(-)
 delete mode 100644 vendor/golang.org/x/net/idna/punycode.go

(limited to 'vendor/golang.org/x/net/idna/punycode.go')

diff --git a/vendor/golang.org/x/net/idna/punycode.go b/vendor/golang.org/x/net/idna/punycode.go
deleted file mode 100644
index 02c7d59..0000000
--- a/vendor/golang.org/x/net/idna/punycode.go
+++ /dev/null
@@ -1,203 +0,0 @@
-// Code generated by running "go generate" in golang.org/x/text. DO NOT EDIT.
-
-// Copyright 2016 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.
-
-package idna
-
-// This file implements the Punycode algorithm from RFC 3492.
-
-import (
-	"math"
-	"strings"
-	"unicode/utf8"
-)
-
-// These parameter values are specified in section 5.
-//
-// All computation is done with int32s, so that overflow behavior is identical
-// regardless of whether int is 32-bit or 64-bit.
-const (
-	base        int32 = 36
-	damp        int32 = 700
-	initialBias int32 = 72
-	initialN    int32 = 128
-	skew        int32 = 38
-	tmax        int32 = 26
-	tmin        int32 = 1
-)
-
-func punyError(s string) error { return &labelError{s, "A3"} }
-
-// decode decodes a string as specified in section 6.2.
-func decode(encoded string) (string, error) {
-	if encoded == "" {
-		return "", nil
-	}
-	pos := 1 + strings.LastIndex(encoded, "-")
-	if pos == 1 {
-		return "", punyError(encoded)
-	}
-	if pos == len(encoded) {
-		return encoded[:len(encoded)-1], nil
-	}
-	output := make([]rune, 0, len(encoded))
-	if pos != 0 {
-		for _, r := range encoded[:pos-1] {
-			output = append(output, r)
-		}
-	}
-	i, n, bias := int32(0), initialN, initialBias
-	for pos < len(encoded) {
-		oldI, w := i, int32(1)
-		for k := base; ; k += base {
-			if pos == len(encoded) {
-				return "", punyError(encoded)
-			}
-			digit, ok := decodeDigit(encoded[pos])
-			if !ok {
-				return "", punyError(encoded)
-			}
-			pos++
-			i += digit * w
-			if i < 0 {
-				return "", punyError(encoded)
-			}
-			t := k - bias
-			if t < tmin {
-				t = tmin
-			} else if t > tmax {
-				t = tmax
-			}
-			if digit < t {
-				break
-			}
-			w *= base - t
-			if w >= math.MaxInt32/base {
-				return "", punyError(encoded)
-			}
-		}
-		x := int32(len(output) + 1)
-		bias = adapt(i-oldI, x, oldI == 0)
-		n += i / x
-		i %= x
-		if n > utf8.MaxRune || len(output) >= 1024 {
-			return "", punyError(encoded)
-		}
-		output = append(output, 0)
-		copy(output[i+1:], output[i:])
-		output[i] = n
-		i++
-	}
-	return string(output), nil
-}
-
-// encode encodes a string as specified in section 6.3 and prepends prefix to
-// the result.
-//
-// The "while h < length(input)" line in the specification becomes "for
-// remaining != 0" in the Go code, because len(s) in Go is in bytes, not runes.
-func encode(prefix, s string) (string, error) {
-	output := make([]byte, len(prefix), len(prefix)+1+2*len(s))
-	copy(output, prefix)
-	delta, n, bias := int32(0), initialN, initialBias
-	b, remaining := int32(0), int32(0)
-	for _, r := range s {
-		if r < 0x80 {
-			b++
-			output = append(output, byte(r))
-		} else {
-			remaining++
-		}
-	}
-	h := b
-	if b > 0 {
-		output = append(output, '-')
-	}
-	for remaining != 0 {
-		m := int32(0x7fffffff)
-		for _, r := range s {
-			if m > r && r >= n {
-				m = r
-			}
-		}
-		delta += (m - n) * (h + 1)
-		if delta < 0 {
-			return "", punyError(s)
-		}
-		n = m
-		for _, r := range s {
-			if r < n {
-				delta++
-				if delta < 0 {
-					return "", punyError(s)
-				}
-				continue
-			}
-			if r > n {
-				continue
-			}
-			q := delta
-			for k := base; ; k += base {
-				t := k - bias
-				if t < tmin {
-					t = tmin
-				} else if t > tmax {
-					t = tmax
-				}
-				if q < t {
-					break
-				}
-				output = append(output, encodeDigit(t+(q-t)%(base-t)))
-				q = (q - t) / (base - t)
-			}
-			output = append(output, encodeDigit(q))
-			bias = adapt(delta, h+1, h == b)
-			delta = 0
-			h++
-			remaining--
-		}
-		delta++
-		n++
-	}
-	return string(output), nil
-}
-
-func decodeDigit(x byte) (digit int32, ok bool) {
-	switch {
-	case '0' <= x && x <= '9':
-		return int32(x - ('0' - 26)), true
-	case 'A' <= x && x <= 'Z':
-		return int32(x - 'A'), true
-	case 'a' <= x && x <= 'z':
-		return int32(x - 'a'), true
-	}
-	return 0, false
-}
-
-func encodeDigit(digit int32) byte {
-	switch {
-	case 0 <= digit && digit < 26:
-		return byte(digit + 'a')
-	case 26 <= digit && digit < 36:
-		return byte(digit + ('0' - 26))
-	}
-	panic("idna: internal error in punycode encoding")
-}
-
-// adapt is the bias adaptation function specified in section 6.1.
-func adapt(delta, numPoints int32, firstTime bool) int32 {
-	if firstTime {
-		delta /= damp
-	} else {
-		delta /= 2
-	}
-	delta += delta / numPoints
-	k := int32(0)
-	for delta > ((base-tmin)*tmax)/2 {
-		delta /= base - tmin
-		k += base
-	}
-	return k + (base-tmin+1)*delta/(delta+skew)
-}
-- 
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