76 lines
1.8 KiB
Go
76 lines
1.8 KiB
Go
package css
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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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Document Hash = 0x8 // document
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Font_Face Hash = 0x809 // font-face
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Keyframes Hash = 0x1109 // keyframes
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Media Hash = 0x2105 // media
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Page Hash = 0x2604 // page
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Supports Hash = 0x1908 // supports
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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 = "documentfont-facekeyframesupportsmediapage"
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var _Hash_table = [1 << 3]Hash{
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0x1: 0x2604, // page
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0x2: 0x2105, // media
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0x3: 0x809, // font-face
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0x5: 0x1109, // keyframes
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0x6: 0x1908, // supports
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0x7: 0x8, // document
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}
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