agola/internal/util/string.go

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2019-02-21 15:32:27 +00:00
// Copyright 2019 Sorint.lab
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
// See the License for the specific language governing permissions and
// limitations under the License.
package util
import (
"bufio"
"io"
"strings"
)
func CountLines(s string) (uint, error) {
count := uint(0)
// use a reader instead of a scanner
br := bufio.NewReader(strings.NewReader(s))
stop := false
for {
if stop {
break
}
_, err := br.ReadBytes('\n')
if err != nil {
if err != io.EOF {
return 0, err
}
stop = true
}
count++
}
return count, nil
}