120 lines
2.3 KiB
Go
120 lines
2.3 KiB
Go
package editor
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import (
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"context"
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"errors"
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"fmt"
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"log/slog"
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"runtime/debug"
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"code.chimeric.al/dwrz/wen/internal/editor/event"
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)
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func (e *Editor) Run(ctx context.Context, files []string) error {
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ctx, cancel := context.WithCancel(ctx)
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defer cancel()
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if err := e.terminal.SetRaw(); err != nil {
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return fmt.Errorf("failed to set raw mode: %w", err)
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}
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e.canvas.Reset()
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// Log build info.
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var commit, time string
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bi, ok := debug.ReadBuildInfo()
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if ok {
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for _, s := range bi.Settings {
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switch s.Key {
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case "vcs.revision":
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commit = s.Value
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case "vcs.time":
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time = s.Value
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}
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}
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}
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e.log.Debug(
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"文 version",
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slog.String("commit", commit),
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slog.String("time", time),
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)
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// Reset the terminal before exiting.
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defer func() {
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e.canvas.Reset()
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if err := e.terminal.Reset(); err != nil {
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e.log.Error(
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"failed to reset terminal attributes",
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slog.Any("error", err),
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)
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}
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}()
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// Start reading user input.
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// The reader may be blocked in a read when the editor ends.
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// The reader stops when the process stops.
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go func() {
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if err := e.reader.Run(ctx); err != nil && !errors.Is(err, context.Canceled) {
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e.events <- event.NewError(err)
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}
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}()
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// Open the files and render the initial state.
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e.load(files)
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if err := e.canvas.Render(e.active, e.prompt); err != nil {
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return fmt.Errorf("failed to render: %w", err)
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}
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// Main loop.
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for {
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select {
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case <-ctx.Done():
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e.log.DebugContext(ctx, "context done: stopping")
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return nil
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case ev := <-e.events:
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switch t := ev.(type) {
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case *event.Error:
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return t
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case *event.Message:
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e.prompt.SetText(t.Text())
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if err := e.canvas.Render(
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e.active, e.prompt,
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); err != nil {
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return fmt.Errorf(
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"failed to render: %w", err,
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)
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}
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case *event.Quit:
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return nil
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}
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case event := <-e.input:
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if e.prompt.IsPrompt() {
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if err := e.promptInput(event); err != nil {
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return fmt.Errorf(
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"failed to process input: %w",
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err,
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)
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}
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} else {
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if err := e.bufferInput(event); err != nil {
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return fmt.Errorf(
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"failed to process input: %w",
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err,
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)
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}
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}
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if err := e.canvas.Render(
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e.active, e.prompt,
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); err != nil {
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return fmt.Errorf("failed to render: %w", err)
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}
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}
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}
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}
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