casibase/util/csv.go

68 lines
1.3 KiB
Go

// Copyright 2023 The casbin Authors. All Rights Reserved.
//
// 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"
"encoding/csv"
"io"
"os"
)
func LoadCsvFile(path string, rows *[][]string) {
file, err := os.Open(path)
if err != nil {
panic(err)
}
defer file.Close()
reader := csv.NewReader(bufio.NewReader(file))
reader.LazyQuotes = true
i := 0
for {
line, err := reader.Read()
if err == io.EOF {
break
} else if err != nil {
// log.Fatal(error)
panic(err)
}
*rows = append(*rows, line)
i += 1
}
}
func WriteCsvFile(path string, rows *[][]string) {
file, err := os.Create(path)
if err != nil {
panic(err)
}
defer file.Close()
writer := csv.NewWriter(file)
defer writer.Flush()
i := 0
for _, row := range *rows {
err = writer.Write(row)
if err != nil {
panic(err)
}
i += 1
}
}