github.com/mdaxf/iac@v0.0.0-20240519030858-58a061660378/vendor_skip/golang.org/x/net/idna/trie12.0.0.go (about)

     1  // Code generated by running "go generate" in golang.org/x/text. DO NOT EDIT.
     2  
     3  // Copyright 2016 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  //go:build !go1.16
     8  
     9  package idna
    10  
    11  // appendMapping appends the mapping for the respective rune. isMapped must be
    12  // true. A mapping is a categorization of a rune as defined in UTS #46.
    13  func (c info) appendMapping(b []byte, s string) []byte {
    14  	index := int(c >> indexShift)
    15  	if c&xorBit == 0 {
    16  		s := mappings[index:]
    17  		return append(b, s[1:s[0]+1]...)
    18  	}
    19  	b = append(b, s...)
    20  	if c&inlineXOR == inlineXOR {
    21  		// TODO: support and handle two-byte inline masks
    22  		b[len(b)-1] ^= byte(index)
    23  	} else {
    24  		for p := len(b) - int(xorData[index]); p < len(b); p++ {
    25  			index++
    26  			b[p] ^= xorData[index]
    27  		}
    28  	}
    29  	return b
    30  }