82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
package html
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// generated by hasher -type=Hash -file=hash.go; DO NOT EDIT, except for adding more constants to the list and rerun go generate
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// uses github.com/tdewolff/hasher
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//go:generate hasher -type=Hash -file=hash.go
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// Hash defines perfect hashes for a predefined list of strings
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type Hash uint32
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// Unique hash definitions to be used instead of strings
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const (
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Iframe Hash = 0x6 // iframe
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Math Hash = 0x604 // math
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Plaintext Hash = 0x1e09 // plaintext
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Script Hash = 0xa06 // script
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Style Hash = 0x1405 // style
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Svg Hash = 0x1903 // svg
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Textarea Hash = 0x2308 // textarea
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Title Hash = 0xf05 // title
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Xmp Hash = 0x1c03 // xmp
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)
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// String returns the hash' name.
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func (i Hash) String() string {
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start := uint32(i >> 8)
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n := uint32(i & 0xff)
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if start+n > uint32(len(_Hash_text)) {
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return ""
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}
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return _Hash_text[start : start+n]
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}
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// ToHash returns the hash whose name is s. It returns zero if there is no
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// such hash. It is case sensitive.
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func ToHash(s []byte) Hash {
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if len(s) == 0 || len(s) > _Hash_maxLen {
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return 0
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}
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h := uint32(_Hash_hash0)
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for i := 0; i < len(s); i++ {
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h ^= uint32(s[i])
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h *= 16777619
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}
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if i := _Hash_table[h&uint32(len(_Hash_table)-1)]; int(i&0xff) == len(s) {
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t := _Hash_text[i>>8 : i>>8+i&0xff]
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for i := 0; i < len(s); i++ {
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if t[i] != s[i] {
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goto NEXT
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}
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}
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return i
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}
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NEXT:
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if i := _Hash_table[(h>>16)&uint32(len(_Hash_table)-1)]; int(i&0xff) == len(s) {
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t := _Hash_text[i>>8 : i>>8+i&0xff]
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for i := 0; i < len(s); i++ {
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if t[i] != s[i] {
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return 0
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}
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}
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return i
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}
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return 0
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}
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const _Hash_hash0 = 0x9acb0442
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const _Hash_maxLen = 9
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const _Hash_text = "iframemathscriptitlestylesvgxmplaintextarea"
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var _Hash_table = [1 << 4]Hash{
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0x0: 0x2308, // textarea
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0x2: 0x6, // iframe
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0x4: 0xf05, // title
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0x5: 0x1e09, // plaintext
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0x7: 0x1405, // style
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0x8: 0x604, // math
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0x9: 0xa06, // script
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0xa: 0x1903, // svg
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0xb: 0x1c03, // xmp
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}
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