1 files changed, 0 insertions, 179 deletions
diff --git a/modules/mahonia/entity.go b/modules/mahonia/entity.go
deleted file mode 100644
index ed31bbaa..00000000
--- a/modules/mahonia/entity.go
+++ /dev/null
@@ -1,179 +0,0 @@
-package mahonia
-
-// decoding HTML entities
-
-import (
-	"sort"
-)
-
-// EntityDecoder returns a Decoder that decodes HTML character entities.
-// If there is no valid character entity at the current position, it returns INVALID_CHAR.
-// So it needs to be combined with another Decoder via FallbackDecoder.
-func EntityDecoder() Decoder {
-	var leftover rune // leftover rune from two-rune entity
-	return func(p []byte) (r rune, size int, status Status) {
-		if leftover != 0 {
-			r = leftover
-			leftover = 0
-			return r, 0, SUCCESS
-		}
-
-		if len(p) == 0 {
-			return 0, 0, NO_ROOM
-		}
-
-		if p[0] != '&' {
-			return 0xfffd, 1, INVALID_CHAR
-		}
-
-		if len(p) < 3 {
-			return 0, 1, NO_ROOM
-		}
-
-		r, size, status = 0xfffd, 1, INVALID_CHAR
-		n := 1 // number of bytes read so far
-
-		if p[n] == '#' {
-			n++
-			c := p[n]
-			hex := false
-			if c == 'x' || c == 'X' {
-				hex = true
-				n++
-			}
-
-			var x rune
-			for n < len(p) {
-				c = p[n]
-				n++
-				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 != ';' {
-					n--
-				}
-				break
-			}
-
-			if n == len(p) && p[n-1] != ';' {
-				return 0, 0, NO_ROOM
-			}
-
-			size = n
-			if p[n-1] == ';' {
-				n--
-			}
-			if hex {
-				n--
-			}
-			n--
-			// Now n is the number of actual digits read.
-			if n == 0 {
-				return 0xfffd, 1, INVALID_CHAR
-			}
-
-			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.
-				return 0xfffd, size, INVALID_CHAR
-			}
-
-			r = x
-			status = SUCCESS
-			return
-		}
-
-		// Look for a named entity in EntityList.
-
-		possible := entityList
-		for len(possible) > 0 {
-			if len(p) <= n {
-				leftover = 0
-				return 0, 0, NO_ROOM
-			}
-
-			c := p[n]
-
-			// Narrow down the selection in possible to those items that have c in the
-			// appropriate byte.
-			first := sort.Search(len(possible), func(i int) bool {
-				e := possible[i].name
-				if len(e) < n {
-					return false
-				}
-				return e[n-1] >= c
-			})
-			possible = possible[first:]
-			last := sort.Search(len(possible), func(i int) bool {
-				return possible[i].name[n-1] > c
-			})
-			possible = possible[:last]
-
-			n++
-			if len(possible) > 0 && len(possible[0].name) == n-1 {
-				r, leftover = possible[0].r1, possible[0].r2
-				size = n
-				status = SUCCESS
-				// but don't return yet, since we need the longest match
-			}
-		}
-
-		return
-	}
-}
-
-// This table is copied from /src/pkg/html/escape.go in the Go source
-//
-// These replacements permit compatibility with old numeric entities that
-// assumed Windows-1252 encoding.
-// http://www.whatwg.org/specs/web-apps/current-work/multipage/tokenization.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.
-}