77 lines
1.5 KiB
Go
77 lines
1.5 KiB
Go
package render
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import (
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"io/fs"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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"specCon18/bubblewand/embed"
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"specCon18/bubblewand/internal/logger"
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)
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// ProgramData holds user-supplied template values
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type ProgramData struct {
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ModName string
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PackageName string
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ProgramVersion string
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ProgramDesc string
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OutputDir string
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}
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// RenderTemplates renders embedded .tmpl files into outputDir
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func RenderTemplates(data ProgramData, outputDir string, verbose bool) error {
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var renderedFiles int
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err := fs.WalkDir(embed.Templates, "templates", func(path string, d fs.DirEntry, err error) error {
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if err != nil {
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return err
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}
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if d.IsDir() || !strings.HasSuffix(d.Name(), ".tmpl") {
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return nil
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}
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// Get relative path inside templates/
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relPath := strings.TrimPrefix(path, "templates/")
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outputPath := filepath.Join(outputDir, strings.TrimSuffix(relPath, ".tmpl"))
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if err := os.MkdirAll(filepath.Dir(outputPath), 0755); err != nil {
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return err
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}
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tmplBytes, err := embed.Templates.ReadFile(path)
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if err != nil {
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return err
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}
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tmpl, err := template.New(d.Name()).Parse(string(tmplBytes))
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if err != nil {
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return err
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}
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outFile, err := os.Create(outputPath)
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if err != nil {
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return err
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}
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defer outFile.Close()
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if verbose {
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logger.Log.Infof("Rendering %s → %s", path, outputPath)
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}
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renderedFiles++
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return tmpl.Execute(outFile, data)
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})
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if err != nil {
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return err
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}
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if !verbose && renderedFiles > 0 {
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logger.Log.Info("Rendering templates")
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}
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return nil
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}
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