/*
recfile -- GNU recutils'es recfiles parser on pure Go
-Copyright (C) 2020 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2020-2022 Sergey Matveev <stargrave@stargrave.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
"strings"
)
+var KeyValRe = regexp.MustCompile(`([a-zA-Z%][a-zA-Z0-9_]*):\s*(.*)$`)
+
type Reader struct {
scanner *bufio.Scanner
}
+// Create Reader for iterating through the records. It uses
+// bufio.Scanner, so can read more than currently parsed records take.
func NewReader(r io.Reader) *Reader {
return &Reader{bufio.NewScanner(r)}
}
-type Field struct {
- Name string
- Value string
-}
-
-var KeyValRe = regexp.MustCompile(`([a-zA-Z%][a-zA-Z0-9_]*):\s*(.*)$`)
-
+// Get next record. Each record is just a collection of fields. io.EOF
+// is returned if there is nothing to read more.
func (r *Reader) Next() ([]Field, error) {
fields := make([]Field, 0, 1)
var text string
}
return fields, nil
}
+
+// Same as Next(), but with unique keys and last value.
+func (r *Reader) NextMap() (map[string]string, error) {
+ fields, err := r.Next()
+ if err != nil {
+ return nil, err
+ }
+ m := make(map[string]string, len(fields))
+ for _, f := range fields {
+ m[f.Name] = f.Value
+ }
+ return m, nil
+}
+
+// Same as Next(), but with unique keys and slices of values.
+func (r *Reader) NextMapWithSlice() (map[string][]string, error) {
+ fields, err := r.Next()
+ if err != nil {
+ return nil, err
+ }
+ m := make(map[string][]string)
+ for _, f := range fields {
+ m[f.Name] = append(m[f.Name], f.Value)
+ }
+ return m, nil
+}