package toml import ( "context" "fmt" "github.com/pelletier/go-toml" "gitoa.ru/go-4devs/config" "gitoa.ru/go-4devs/config/key" "gitoa.ru/go-4devs/config/value" ) var _ config.Provider = (*Provider)(nil) func NewFile(file string, opts ...Option) (*Provider, error) { tree, err := toml.LoadFile(file) if err != nil { return nil, fmt.Errorf("toml: failed load file: %w", err) } return configure(tree, opts...), nil } type Option func(*Provider) func configure(tree *toml.Tree, opts ...Option) *Provider { p := &Provider{ tree: tree, key: key.Name, } for _, opt := range opts { opt(p) } return p } func New(data []byte, opts ...Option) (*Provider, error) { tree, err := toml.LoadBytes(data) if err != nil { return nil, fmt.Errorf("toml failed load data: %w", err) } return configure(tree, opts...), nil } type Provider struct { tree *toml.Tree key config.KeyFactory } func (p *Provider) IsSupport(ctx context.Context, key config.Key) bool { return p.key(ctx, key) != "" } func (p *Provider) Name() string { return "toml" } func (p *Provider) Read(ctx context.Context, key config.Key) (config.Variable, error) { if k := p.key(ctx, key); p.tree.Has(k) { return config.Variable{ Name: k, Provider: p.Name(), Value: Value{Value: value.Value{Val: p.tree.Get(k)}}, }, nil } return config.Variable{}, config.ErrVariableNotFound }