sigs.k8s.io/cluster-api-provider-aws@v1.5.5/pkg/internal/bytes/bytes.go (about)

     1  /*
     2  Copyright 2020 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package bytes
    18  
    19  import (
    20  	"bytes"
    21  	"encoding/base64"
    22  )
    23  
    24  // Split takes a byte array, optionally encodes it in base64. Should it be encoded,
    25  // the result of encoding is split. Otherwise, the array is simply split as is.
    26  func Split(data []byte, encode bool, maxSize int, iterFunc func([]byte)) {
    27  	if encode {
    28  		encoded := make([]byte, base64.StdEncoding.EncodedLen(len(data)))
    29  		base64.StdEncoding.Encode(encoded, data)
    30  		data = encoded
    31  	}
    32  	buff := bytes.NewBuffer(data)
    33  	for {
    34  		chunk := buff.Next(maxSize)
    35  		if len(chunk) == 0 {
    36  			return
    37  		}
    38  		iterFunc(chunk)
    39  	}
    40  }