1
0
mirror of https://github.com/astaxie/beego.git synced 2024-11-23 13:50:56 +00:00
Beego/vendor/github.com/Knetic/govaluate/tokenStream.go

37 lines
574 B
Go
Raw Normal View History

2018-11-09 04:37:28 +00:00
package govaluate
type tokenStream struct {
tokens []ExpressionToken
index int
tokenLength int
}
func newTokenStream(tokens []ExpressionToken) *tokenStream {
var ret *tokenStream
ret = new(tokenStream)
ret.tokens = tokens
ret.tokenLength = len(tokens)
return ret
}
func (this *tokenStream) rewind() {
this.index -= 1
}
func (this *tokenStream) next() ExpressionToken {
var token ExpressionToken
token = this.tokens[this.index]
this.index += 1
return token
}
func (this tokenStream) hasNext() bool {
return this.index < this.tokenLength
}