github.com/zuoyebang/bitalostable@v1.0.1-0.20240229032404-e3b99a834294/internal/datadriven/line_scanner.go (about)

     1  // Copyright 2018 The Cockroach Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
    12  // implied. See the License for the specific language governing
    13  // permissions and limitations under the License.
    14  
    15  package datadriven
    16  
    17  import (
    18  	"bufio"
    19  	"io"
    20  )
    21  
    22  type lineScanner struct {
    23  	*bufio.Scanner
    24  	line int
    25  }
    26  
    27  func newLineScanner(r io.Reader) *lineScanner {
    28  	return &lineScanner{
    29  		Scanner: bufio.NewScanner(r),
    30  		line:    0,
    31  	}
    32  }
    33  
    34  func (l *lineScanner) Scan() bool {
    35  	ok := l.Scanner.Scan()
    36  	if ok {
    37  		l.line++
    38  	}
    39  	return ok
    40  }