1 files changed, 75 insertions, 0 deletions
diff --git a/vendor/github.com/tdewolff/parse/v2/css/hash.go b/vendor/github.com/tdewolff/parse/v2/css/hash.go
new file mode 100644
index 000000000..25d2f7cf0
--- /dev/null
+++ b/vendor/github.com/tdewolff/parse/v2/css/hash.go
@@ -0,0 +1,75 @@
+package css
+
+// generated by hasher -type=Hash -file=hash.go; DO NOT EDIT, except for adding more constants to the list and rerun go generate
+
+// uses github.com/tdewolff/hasher
+//go:generate hasher -type=Hash -file=hash.go
+
+// Hash defines perfect hashes for a predefined list of strings
+type Hash uint32
+
+// Unique hash definitions to be used instead of strings
+const (
+	Document  Hash = 0x8    // document
+	Font_Face Hash = 0x809  // font-face
+	Keyframes Hash = 0x1109 // keyframes
+	Media     Hash = 0x2105 // media
+	Page      Hash = 0x2604 // page
+	Supports  Hash = 0x1908 // supports
+)
+
+// String returns the hash' name.
+func (i Hash) String() string {
+	start := uint32(i >> 8)
+	n := uint32(i & 0xff)
+	if start+n > uint32(len(_Hash_text)) {
+		return ""
+	}
+	return _Hash_text[start : start+n]
+}
+
+// ToHash returns the hash whose name is s. It returns zero if there is no
+// such hash. It is case sensitive.
+func ToHash(s []byte) Hash {
+	if len(s) == 0 || len(s) > _Hash_maxLen {
+		return 0
+	}
+	h := uint32(_Hash_hash0)
+	for i := 0; i < len(s); i++ {
+		h ^= uint32(s[i])
+		h *= 16777619
+	}
+	if i := _Hash_table[h&uint32(len(_Hash_table)-1)]; int(i&0xff) == len(s) {
+		t := _Hash_text[i>>8 : i>>8+i&0xff]
+		for i := 0; i < len(s); i++ {
+			if t[i] != s[i] {
+				goto NEXT
+			}
+		}
+		return i
+	}
+NEXT:
+	if i := _Hash_table[(h>>16)&uint32(len(_Hash_table)-1)]; int(i&0xff) == len(s) {
+		t := _Hash_text[i>>8 : i>>8+i&0xff]
+		for i := 0; i < len(s); i++ {
+			if t[i] != s[i] {
+				return 0
+			}
+		}
+		return i
+	}
+	return 0
+}
+
+const _Hash_hash0 = 0x9acb0442
+const _Hash_maxLen = 9
+const _Hash_text = "documentfont-facekeyframesupportsmediapage"
+
+var _Hash_table = [1 << 3]Hash{
+	0x1: 0x2604, // page
+	0x2: 0x2105, // media
+	0x3: 0x809,  // font-face
+	0x5: 0x1109, // keyframes
+	0x6: 0x1908, // supports
+	0x7: 0x8,    // document
+}