From 3ac1ee16f377d31a0fb80c8dae28b6239ac4229e Mon Sep 17 00:00:00 2001
From: Terin Stock <terinjokes@gmail.com>
Date: Sun, 9 Mar 2025 17:47:56 +0100
Subject: [chore] remove vendor

---
 vendor/golang.org/x/net/html/escape.go | 339 ---------------------------------
 1 file changed, 339 deletions(-)
 delete mode 100644 vendor/golang.org/x/net/html/escape.go

(limited to 'vendor/golang.org/x/net/html/escape.go')

diff --git a/vendor/golang.org/x/net/html/escape.go b/vendor/golang.org/x/net/html/escape.go
deleted file mode 100644
index 04c6bec21..000000000
--- a/vendor/golang.org/x/net/html/escape.go
+++ /dev/null
@@ -1,339 +0,0 @@
-// Copyright 2010 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 html
-
-import (
-	"bytes"
-	"strings"
-	"unicode/utf8"
-)
-
-// These replacements permit compatibility with old numeric entities that
-// assumed Windows-1252 encoding.
-// https://html.spec.whatwg.org/multipage/syntax.html#consume-a-character-reference
-var replacementTable = [...]rune{
-	'\u20AC', // First entry is what 0x80 should be replaced with.
-	'\u0081',
-	'\u201A',
-	'\u0192',
-	'\u201E',
-	'\u2026',
-	'\u2020',
-	'\u2021',
-	'\u02C6',
-	'\u2030',
-	'\u0160',
-	'\u2039',
-	'\u0152',
-	'\u008D',
-	'\u017D',
-	'\u008F',
-	'\u0090',
-	'\u2018',
-	'\u2019',
-	'\u201C',
-	'\u201D',
-	'\u2022',
-	'\u2013',
-	'\u2014',
-	'\u02DC',
-	'\u2122',
-	'\u0161',
-	'\u203A',
-	'\u0153',
-	'\u009D',
-	'\u017E',
-	'\u0178', // Last entry is 0x9F.
-	// 0x00->'\uFFFD' is handled programmatically.
-	// 0x0D->'\u000D' is a no-op.
-}
-
-// unescapeEntity reads an entity like "&lt;" from b[src:] and writes the
-// corresponding "<" to b[dst:], returning the incremented dst and src cursors.
-// Precondition: b[src] == '&' && dst <= src.
-// attribute should be true if parsing an attribute value.
-func unescapeEntity(b []byte, dst, src int, attribute bool) (dst1, src1 int) {
-	// https://html.spec.whatwg.org/multipage/syntax.html#consume-a-character-reference
-
-	// i starts at 1 because we already know that s[0] == '&'.
-	i, s := 1, b[src:]
-
-	if len(s) <= 1 {
-		b[dst] = b[src]
-		return dst + 1, src + 1
-	}
-
-	if s[i] == '#' {
-		if len(s) <= 3 { // We need to have at least "&#.".
-			b[dst] = b[src]
-			return dst + 1, src + 1
-		}
-		i++
-		c := s[i]
-		hex := false
-		if c == 'x' || c == 'X' {
-			hex = true
-			i++
-		}
-
-		x := '\x00'
-		for i < len(s) {
-			c = s[i]
-			i++
-			if hex {
-				if '0' <= c && c <= '9' {
-					x = 16*x + rune(c) - '0'
-					continue
-				} else if 'a' <= c && c <= 'f' {
-					x = 16*x + rune(c) - 'a' + 10
-					continue
-				} else if 'A' <= c && c <= 'F' {
-					x = 16*x + rune(c) - 'A' + 10
-					continue
-				}
-			} else if '0' <= c && c <= '9' {
-				x = 10*x + rune(c) - '0'
-				continue
-			}
-			if c != ';' {
-				i--
-			}
-			break
-		}
-
-		if i <= 3 { // No characters matched.
-			b[dst] = b[src]
-			return dst + 1, src + 1
-		}
-
-		if 0x80 <= x && x <= 0x9F {
-			// Replace characters from Windows-1252 with UTF-8 equivalents.
-			x = replacementTable[x-0x80]
-		} else if x == 0 || (0xD800 <= x && x <= 0xDFFF) || x > 0x10FFFF {
-			// Replace invalid characters with the replacement character.
-			x = '\uFFFD'
-		}
-
-		return dst + utf8.EncodeRune(b[dst:], x), src + i
-	}
-
-	// Consume the maximum number of characters possible, with the
-	// consumed characters matching one of the named references.
-
-	for i < len(s) {
-		c := s[i]
-		i++
-		// Lower-cased characters are more common in entities, so we check for them first.
-		if 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' || '0' <= c && c <= '9' {
-			continue
-		}
-		if c != ';' {
-			i--
-		}
-		break
-	}
-
-	entityName := string(s[1:i])
-	if entityName == "" {
-		// No-op.
-	} else if attribute && entityName[len(entityName)-1] != ';' && len(s) > i && s[i] == '=' {
-		// No-op.
-	} else if x := entity[entityName]; x != 0 {
-		return dst + utf8.EncodeRune(b[dst:], x), src + i
-	} else if x := entity2[entityName]; x[0] != 0 {
-		dst1 := dst + utf8.EncodeRune(b[dst:], x[0])
-		return dst1 + utf8.EncodeRune(b[dst1:], x[1]), src + i
-	} else if !attribute {
-		maxLen := len(entityName) - 1
-		if maxLen > longestEntityWithoutSemicolon {
-			maxLen = longestEntityWithoutSemicolon
-		}
-		for j := maxLen; j > 1; j-- {
-			if x := entity[entityName[:j]]; x != 0 {
-				return dst + utf8.EncodeRune(b[dst:], x), src + j + 1
-			}
-		}
-	}
-
-	dst1, src1 = dst+i, src+i
-	copy(b[dst:dst1], b[src:src1])
-	return dst1, src1
-}
-
-// unescape unescapes b's entities in-place, so that "a&lt;b" becomes "a<b".
-// attribute should be true if parsing an attribute value.
-func unescape(b []byte, attribute bool) []byte {
-	for i, c := range b {
-		if c == '&' {
-			dst, src := unescapeEntity(b, i, i, attribute)
-			for src < len(b) {
-				c := b[src]
-				if c == '&' {
-					dst, src = unescapeEntity(b, dst, src, attribute)
-				} else {
-					b[dst] = c
-					dst, src = dst+1, src+1
-				}
-			}
-			return b[0:dst]
-		}
-	}
-	return b
-}
-
-// lower lower-cases the A-Z bytes in b in-place, so that "aBc" becomes "abc".
-func lower(b []byte) []byte {
-	for i, c := range b {
-		if 'A' <= c && c <= 'Z' {
-			b[i] = c + 'a' - 'A'
-		}
-	}
-	return b
-}
-
-// escapeComment is like func escape but escapes its input bytes less often.
-// Per https://github.com/golang/go/issues/58246 some HTML comments are (1)
-// meaningful and (2) contain angle brackets that we'd like to avoid escaping
-// unless we have to.
-//
-// "We have to" includes the '&' byte, since that introduces other escapes.
-//
-// It also includes those bytes (not including EOF) that would otherwise end
-// the comment. Per the summary table at the bottom of comment_test.go, this is
-// the '>' byte that, per above, we'd like to avoid escaping unless we have to.
-//
-// Studying the summary table (and T actions in its '>' column) closely, we
-// only need to escape in states 43, 44, 49, 51 and 52. State 43 is at the
-// start of the comment data. State 52 is after a '!'. The other three states
-// are after a '-'.
-//
-// Our algorithm is thus to escape every '&' and to escape '>' if and only if:
-//   - The '>' is after a '!' or '-' (in the unescaped data) or
-//   - The '>' is at the start of the comment data (after the opening "<!--").
-func escapeComment(w writer, s string) error {
-	// When modifying this function, consider manually increasing the
-	// maxSuffixLen constant in func TestComments, from 6 to e.g. 9 or more.
-	// That increase should only be temporary, not committed, as it
-	// exponentially affects the test running time.
-
-	if len(s) == 0 {
-		return nil
-	}
-
-	// Loop:
-	//   - Grow j such that s[i:j] does not need escaping.
-	//   - If s[j] does need escaping, output s[i:j] and an escaped s[j],
-	//     resetting i and j to point past that s[j] byte.
-	i := 0
-	for j := 0; j < len(s); j++ {
-		escaped := ""
-		switch s[j] {
-		case '&':
-			escaped = "&amp;"
-
-		case '>':
-			if j > 0 {
-				if prev := s[j-1]; (prev != '!') && (prev != '-') {
-					continue
-				}
-			}
-			escaped = "&gt;"
-
-		default:
-			continue
-		}
-
-		if i < j {
-			if _, err := w.WriteString(s[i:j]); err != nil {
-				return err
-			}
-		}
-		if _, err := w.WriteString(escaped); err != nil {
-			return err
-		}
-		i = j + 1
-	}
-
-	if i < len(s) {
-		if _, err := w.WriteString(s[i:]); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// escapeCommentString is to EscapeString as escapeComment is to escape.
-func escapeCommentString(s string) string {
-	if strings.IndexAny(s, "&>") == -1 {
-		return s
-	}
-	var buf bytes.Buffer
-	escapeComment(&buf, s)
-	return buf.String()
-}
-
-const escapedChars = "&'<>\"\r"
-
-func escape(w writer, s string) error {
-	i := strings.IndexAny(s, escapedChars)
-	for i != -1 {
-		if _, err := w.WriteString(s[:i]); err != nil {
-			return err
-		}
-		var esc string
-		switch s[i] {
-		case '&':
-			esc = "&amp;"
-		case '\'':
-			// "&#39;" is shorter than "&apos;" and apos was not in HTML until HTML5.
-			esc = "&#39;"
-		case '<':
-			esc = "&lt;"
-		case '>':
-			esc = "&gt;"
-		case '"':
-			// "&#34;" is shorter than "&quot;".
-			esc = "&#34;"
-		case '\r':
-			esc = "&#13;"
-		default:
-			panic("unrecognized escape character")
-		}
-		s = s[i+1:]
-		if _, err := w.WriteString(esc); err != nil {
-			return err
-		}
-		i = strings.IndexAny(s, escapedChars)
-	}
-	_, err := w.WriteString(s)
-	return err
-}
-
-// EscapeString escapes special characters like "<" to become "&lt;". It
-// escapes only five such characters: <, >, &, ' and ".
-// UnescapeString(EscapeString(s)) == s always holds, but the converse isn't
-// always true.
-func EscapeString(s string) string {
-	if strings.IndexAny(s, escapedChars) == -1 {
-		return s
-	}
-	var buf bytes.Buffer
-	escape(&buf, s)
-	return buf.String()
-}
-
-// UnescapeString unescapes entities like "&lt;" to become "<". It unescapes a
-// larger range of entities than EscapeString escapes. For example, "&aacute;"
-// unescapes to "á", as does "&#225;" and "&xE1;".
-// UnescapeString(EscapeString(s)) == s always holds, but the converse isn't
-// always true.
-func UnescapeString(s string) string {
-	for _, c := range s {
-		if c == '&' {
-			return string(unescape([]byte(s), false))
-		}
-	}
-	return s
-}
-- 
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