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