ermos/hostsfile

package hostsfile

// FindFromHostName returns the host from the hostname.
func (hosts *Hosts) FindFromHostName(hostName string) (*Host, error) {
    for _, row := range hosts.rows {
        if row.host == nil {
            continue
        }

        for _, d := range row.host.hostNames {
            if d == hostName {
                return row.host, nil
            }
        }
    }

    return nil, ErrHostNotFound
}

// FindFromAddress returns the first host found based on given address.
func (hosts *Hosts) FindFromAddress(address string) (*Host, error) {
    for _, row := range hosts.rows {
        if row.host != nil && row.host.address == address {
            return row.host, nil
        }
    }

    return nil, ErrHostNotFound
}

// FindAllFromAddress returns all hosts found based on given address.
func (hosts *Hosts) FindAllFromAddress(address string) []*Host {
    var list []*Host

    for _, row := range hosts.rows {
        if row.host != nil && row.host.address == address {
            list = append(list, row.host)
        }
    }

    return list
}

// FindFromComment returns the first host found based on given comment.
func (hosts *Hosts) FindFromComment(comment string) (*Host, error) {
    for _, row := range hosts.rows {
        if row.host != nil && row.host.comment == comment {
            return row.host, nil
        }
    }

    return nil, ErrHostNotFound
}

// FindAllFromComment returns all hosts found based on given comment.
func (hosts *Hosts) FindAllFromComment(comment string) []*Host {
    var list []*Host

    for _, row := range hosts.rows {
        if row.host != nil && row.host.comment == comment {
            list = append(list, row.host)
        }
    }

    return list
}