github.com/tickstep/library-go@v0.1.1/escaper/escaper.go (about)

     1  package escaper
     2  
     3  import (
     4  	"strings"
     5  )
     6  
     7  type (
     8  	// RuneFunc 判断指定rune
     9  	RuneFunc func(r rune) bool
    10  )
    11  
    12  // EscapeByRuneFunc 通过runeFunc转义, runeFunc返回真, 则转义
    13  func EscapeByRuneFunc(s string, runeFunc RuneFunc) string {
    14  	if runeFunc == nil {
    15  		return s
    16  	}
    17  
    18  	var (
    19  		builder = &strings.Builder{}
    20  		rs      = []rune(s)
    21  	)
    22  
    23  	for k := range rs {
    24  		if !runeFunc(rs[k]) {
    25  			builder.WriteRune(rs[k])
    26  			continue
    27  		}
    28  
    29  		if k >= 1 && rs[k-1] == '\\' {
    30  			builder.WriteRune(rs[k])
    31  			continue
    32  		}
    33  		builder.WriteString(`\`)
    34  		builder.WriteRune(rs[k])
    35  	}
    36  	return builder.String()
    37  }
    38  
    39  // Escape 转义指定的escapeRunes, 在escapeRunes的前面加上一个反斜杠
    40  func Escape(s string, escapeRunes []rune) string {
    41  	return EscapeByRuneFunc(s, func(r rune) bool {
    42  		for k := range escapeRunes {
    43  			if escapeRunes[k] == r {
    44  				return true
    45  			}
    46  		}
    47  		return false
    48  	})
    49  }
    50  
    51  // EscapeStrings 转义字符串数组
    52  func EscapeStrings(ss []string, escapeRunes []rune) {
    53  	for k := range ss {
    54  		ss[k] = Escape(ss[k], escapeRunes)
    55  	}
    56  }
    57  
    58  // EscapeStringsByRuneFunc 转义字符串数组, 通过runeFunc
    59  func EscapeStringsByRuneFunc(ss []string, runeFunc RuneFunc) {
    60  	for k := range ss {
    61  		ss[k] = EscapeByRuneFunc(ss[k], runeFunc)
    62  	}
    63  }