104 lines
1.8 KiB
Go
104 lines
1.8 KiB
Go
package cnf
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import (
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"github.com/go-ini/ini"
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"io"
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"io/ioutil"
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"strings"
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)
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type Ini struct {
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sections []string
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data *ini.File
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parsed bool
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}
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// ReadFrom implements io.ReaderFrom
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func (d *Ini) ReadFrom(_reader io.Reader) (int64, error) {
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// 1. get json decoder
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file, err := ini.Load(ioutil.NopCloser(_reader))
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if err != nil {
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return 0, err
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}
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d.data = file
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d.sections = file.SectionStrings()
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d.parsed = true
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return 0, nil
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}
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// WriteTo implements io.WriterTo
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func (d *Ini) WriteTo(_writer io.Writer) (int64, error) {
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return d.data.WriteTo(_writer)
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}
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// Get returns the value of a dot-separated path, and if it exists
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// the maximum depth is 2 : Section.Field
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func (d *Ini) Get(_path string) (string, bool) {
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// 1. split path
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path := strings.Split(_path, ".")
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// 2. fail if too long
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if len(path) > 2 {
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return "", false
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}
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// 3. direct field (no section)
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if len(path) == 1 {
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// unknown field
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if !d.data.Section("").Haskey(path[0]) {
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return "", false
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}
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// found
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return d.data.Section("").Key(path[0]).String(), true
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}
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// 4. fail on missing section
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found := false
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for _, sec := range d.sections {
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if sec == path[0] {
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found = true
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break
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}
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}
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if !found {
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return "", false
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}
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// 5. Fail on unknown field
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if !d.data.Section(path[0]).HasKey(path[1]) {
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return "", false
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}
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// 6. return value
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return d.data.Section(path[0]).Key(path[1]).String(), true
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}
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// Set the value of a dot-separated path, and creates it if not found
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func (d *Ini) Set(_path, _value string) bool {
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// 1. split path
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path := strings.Split(_path, ".")
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// 2. fail if too long
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if len(path) > 2 {
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return false
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}
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// 3. direct field (no section)
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section, field := "", path[0]
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if len(path) > 1 {
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section, field = path[0], path[1]
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}
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// 4. Set field value
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d.data.Section(section).Key(field).SetValue(_value)
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return true
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}
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