d8fb18a663
App.New() creates from Options. App.Find() locates programs on PATH. Both are struct methods — no package-level functions. 8 tests passing. Co-Authored-By: Virgil <virgil@lethean.io>
67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
// SPDX-License-Identifier: EUPL-1.2
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// Application identity for the Core framework.
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package core
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import (
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"os/exec"
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"path/filepath"
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)
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// App holds the application identity and optional GUI runtime.
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//
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// app := core.App{}.New(core.NewOptions(
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// core.Option{Key: "name", Value: "Core CLI"},
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// core.Option{Key: "version", Value: "1.0.0"},
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// ))
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type App struct {
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Name string
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Version string
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Description string
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Filename string
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Path string
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Runtime any // GUI runtime (e.g., Wails App). Nil for CLI-only.
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}
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// New creates an App from Options.
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//
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// app := core.App{}.New(core.NewOptions(
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// core.Option{Key: "name", Value: "myapp"},
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// core.Option{Key: "version", Value: "1.0.0"},
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// ))
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func (a App) New(opts Options) App {
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if name := opts.String("name"); name != "" {
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a.Name = name
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}
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if version := opts.String("version"); version != "" {
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a.Version = version
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}
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if desc := opts.String("description"); desc != "" {
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a.Description = desc
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}
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if filename := opts.String("filename"); filename != "" {
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a.Filename = filename
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}
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return a
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}
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// Find locates a program on PATH and returns a Result containing the App.
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//
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// r := core.App{}.Find("node", "Node.js")
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// if r.OK { app := r.Value.(*App) }
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func (a App) Find(filename, name string) Result {
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path, err := exec.LookPath(filename)
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if err != nil {
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return Result{err, false}
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}
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abs, err := filepath.Abs(path)
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if err != nil {
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return Result{err, false}
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}
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return Result{&App{
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Name: name,
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Filename: filename,
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Path: abs,
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}, true}
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}
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