84 lines
1.3 KiB
Go
84 lines
1.3 KiB
Go
package binfo
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import (
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_ "embed"
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"fmt"
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"strings"
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"text/template"
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)
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type SummaryMode uint
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const (
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ModeModule SummaryMode = 1 << iota
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ModeBuild
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ModeCGO
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ModeVCS
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ModeMultiline
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)
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type params struct {
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Name string
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Version string
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Module bool
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Build bool
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CGO bool
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VCS bool
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Brk string
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Sep string
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I Binfo
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}
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//go:embed summary.tmpl
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var st string
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func (b Binfo) Summarize(name string, version string, mode SummaryMode) (string, error) {
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wants := func(test SummaryMode) bool {
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return mode&test == test
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}
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var (
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brk string
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sep string
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)
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if wants(ModeMultiline) {
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brk = "\n"
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sep = "\n"
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} else {
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brk = " "
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sep = ", "
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}
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t, err := template.New("").Parse(st)
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if err != nil {
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return "", fmt.Errorf("cannot parse summary template: %w", err)
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}
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sb := new(strings.Builder)
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err = t.Execute(sb, params{
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Module: wants(ModeModule),
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Build: wants(ModeBuild),
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CGO: wants(ModeCGO),
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VCS: wants(ModeVCS),
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Brk: brk,
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Sep: sep,
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I: b,
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})
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if err != nil {
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return "", fmt.Errorf("cannot execute summary template: %w", err)
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}
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return sb.String(), nil
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}
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func (b Binfo) MustSummarize(name string, version string, mode SummaryMode) string {
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s, err := b.Summarize(name, version, mode)
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if err != nil {
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panic(err)
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}
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return s
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}
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