/
parser.go
56 lines (50 loc) · 978 Bytes
/
parser.go
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package genericdiff
import (
"bufio"
"os"
"github.com/rs/zerolog"
)
//Diff struct that represents permission in the suoders file
type Diff struct {
Rule string
}
//Parser struct to handle parsing of generic file with diff
type Parser struct {
zerolog.Logger
FileName string
GenericDiff []Diff
}
//Parse func that parses a passwd file to collect users
func (p *Parser) Parse() error {
file, err := os.Open(p.FileName)
if err != nil {
p.Error().Err(err)
return err
}
defer func() {
if err := file.Close(); err != nil {
p.Error().Err(err)
}
}()
// If the file is empty
stat, err := file.Stat()
if err != nil {
return err
}
if stat.Size() == 0 {
p.GenericDiff = append(p.GenericDiff, Diff{
Rule: " ",
})
}
scanner := bufio.NewScanner(file)
for scanner.Scan() {
line := scanner.Text()
if len(line) == 0 || string(line[0]) == "#" {
continue
}
p.GenericDiff = append(p.GenericDiff, Diff{
Rule: line,
})
}
return nil
}