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2 Commits
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2ff8b13585
| Author | SHA1 | Date |
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sloum
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2ff8b13585 | |
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sloum
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fe42515f6f |
202
main.go
202
main.go
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@ -18,8 +18,8 @@ import (
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)
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const (
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SPEC_URL string = "gemini://gemini.circumlunar.space:1965/docs/spec-spec.txt"
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VERSION string = "0.1"
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SPEC_URL string = "gemini://gemini.circumlunar.space:1965/docs/specification.gmi"
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VERSION string = "0.2.0"
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WARNING int = iota
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ERROR
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)
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@ -201,6 +201,162 @@ func LoadCertificate(cert, key string) (tls.Certificate, error) {
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return certificate, nil
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}
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func WriteToFile(path, content string) error {
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f, err := os.Create(path)
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if err != nil {
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return err
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}
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defer f.Close()
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f.WriteString(content)
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return nil
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}
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func convertToHTML(lines []string, lang string, blanks bool) string {
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var out strings.Builder
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header := `
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<!DOCTYPE html>
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<html lang="%s">
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<head>
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<title></title>
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<meta charset="utf-8">
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<meta name="viewport" content="width="device-width, initial-scale=1">
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<link rel="stylesheet" href="styles.css">
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</head>
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<body>
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<div id="content"> <!-- here to allow for max-width/centering without altering the body itself -->
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`
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out.WriteString(fmt.Sprintf(header, lang))
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inConvertPre := false
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inConvertList := false
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art := false
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code := false
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for _, l := range lines {
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// Handle lists
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if strings.HasPrefix(l, "* ") {
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if !inConvertList {
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inConvertList = true
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out.WriteString("<ul>\n")
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}
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out.WriteString("<li>\n")
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out.WriteString(l)
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out.WriteString("\n</li>\n")
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continue
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} else if inConvertList {
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inConvertList = false
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out.WriteString("</ul>\n")
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}
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// Handle preformatted blocks
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if strings.HasPrefix(l, "```") && !inConvertPre {
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inConvertPre = true
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alt := ""
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if len(l) > 3 {
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alt = l[3:]
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}
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art = strings.Contains(strings.ToLower(alt), "art")
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code = strings.Contains(strings.ToLower(alt), "code")
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if art {
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out.WriteString(fmt.Sprintf(`<div role="image" aria-label="%s">`, alt))
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out.WriteString("\n<pre>\n")
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} else if code {
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out.WriteString("<pre>\n<code>\n")
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} else {
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out.WriteString("<pre>\n")
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}
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continue
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} else if strings.HasPrefix(l, "```") && inConvertPre {
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inConvertPre = false
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if art {
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out.WriteString("</pre>\n</div>\n")
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} else if code {
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out.WriteString("</code>\n</pre>\n")
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} else {
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out.WriteString("</pre>\n")
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}
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continue
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} else if inConvertPre {
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out.WriteString(l)
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out.WriteRune('\n')
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continue
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}
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// Handle block quote
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if strings.HasPrefix(l, ">") {
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out.WriteString(fmt.Sprintf("<blockquote>\n\t%s\n</bloackquote>\n", l))
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continue
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}
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// Handle headings
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if strings.HasPrefix(l, "####") {
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out.WriteString(l)
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continue
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} else if strings.HasPrefix(l, "###") {
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out.WriteString(fmt.Sprintf("<h3>\n\t%s\n</h3>\n", l))
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continue
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} else if strings.HasPrefix(l, "##") {
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out.WriteString(fmt.Sprintf("<h2>\n\t%s\n</h2>\n", l))
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continue
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} else if strings.HasPrefix(l, "#") {
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out.WriteString(fmt.Sprintf("<h1>\n\t%s\n</h1>\n", l))
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continue
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}
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// Handle links
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if strings.HasPrefix(l, "=>") {
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if len(l) < 3 {
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continue
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}
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split := strings.SplitN(strings.TrimSpace(l[2:]), " ", 2)
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u := strings.TrimSpace(split[0])
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txt := u
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if len(split) > 1 {
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txt = strings.TrimSpace(split[1])
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}
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out.WriteString(fmt.Sprintf("<p class=\"link-block\">\n\t<a href=\"%s\">\n\t\t%s\n\t</a>\n</p>\n", u, txt))
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continue
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}
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// Regular text
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if len(l) > 0 {
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out.WriteString("<p>\n\t")
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out.WriteString(l)
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out.WriteString("\n</p>\n")
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} else {
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if blanks {
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out.WriteString("<br>\n")
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}
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}
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}
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out.WriteString("\t\t</div>\n\t</body>\n</html>\n")
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return out.String()
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}
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func convertTo(file, format, lang string, blanks bool, outPath string) error {
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var output string
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lines := strings.Split(file, "\n")
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switch format {
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case "html":
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output = convertToHTML(lines, lang, blanks)
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default:
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return fmt.Errorf("Unknown conversion format %q", format)
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}
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if outPath == "" {
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fmt.Print(output)
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} else {
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err := WriteToFile(outPath, output)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func get(resource, cert, key string, headerOnly, currentSpec bool) (string, error) {
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hasScheme := strings.Contains(resource, "://")
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if !hasScheme {
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@ -266,7 +422,7 @@ func get(resource, cert, key string, headerOnly, currentSpec bool) (string, erro
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func main() {
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fmtCmd := flag.NewFlagSet("fmt", flag.ExitOnError)
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fmtOut := fmtCmd.String("o", "", "Path to output file")
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fmtSupress := fmtCmd.Bool("s", false, "Supress error messaging")
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fmtSupress := fmtCmd.Bool("quiet", false, "Supress error messaging")
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getCmd := flag.NewFlagSet("get", flag.ExitOnError)
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getOut := getCmd.String("o", "", "Path to output file")
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@ -277,12 +433,37 @@ func main() {
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specCmd := flag.NewFlagSet("spec", flag.ExitOnError)
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specOut := specCmd.String("o", "", "Path to output file")
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convertCmd := flag.NewFlagSet("convert", flag.ExitOnError)
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convertFormat := convertCmd.String("to", "html", "Valid: html|text|markdown")
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convertLang := convertCmd.String("lang", "en", "The document's language abbreviation for the html lang attribute")
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convertBlankLines := convertCmd.Bool("blanks", false, "Preserve empty lines in the converted document")
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convertOut := convertCmd.String("o", "", "Path to output file")
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if len(os.Args) < 2 {
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fmt.Println("expected command: fmt, get, spec, or version")
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fmt.Fprintf(os.Stderr, "Gemini Tool v%s\n", VERSION)
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fmt.Fprintf(os.Stderr, "Expected command: convert, fmt, get, spec, or version\n")
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flag.Usage()
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os.Exit(1)
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}
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switch os.Args[1] {
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case "convert":
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convertCmd.Parse(os.Args[2:])
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if len(convertCmd.Args()) != 1 {
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fmt.Printf("Incorrect number of positional arguments expected 1, got %d\n\ngemini convert [flags] [filepath]\n\n", len(fmtCmd.Args()))
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convertCmd.Usage()
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os.Exit(1)
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}
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text, err := fmtFile(convertCmd.Args()[0])
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err.Error())
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os.Exit(1)
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}
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err = convertTo(text, *convertFormat, *convertLang, *convertBlankLines, *convertOut)
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err.Error())
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os.Exit(1)
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}
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case "fmt":
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fmtCmd.Parse(os.Args[2:])
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if len(fmtCmd.Args()) != 1 {
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@ -298,7 +479,11 @@ func main() {
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fmt.Print(text)
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fmt.Fprint(os.Stderr, "\n") // So that the terminal input is always on a new line, but this LF doesnt get piped into a document
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} else {
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// TODO handle file writing
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err = WriteToFile(*fmtOut, text)
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err.Error())
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os.Exit(1)
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}
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}
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if !*fmtSupress {
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@ -338,6 +523,11 @@ func main() {
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// TODO handle file writing
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}
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case "version":
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fmt.Printf("Gemini Tool v%s\n", VERSION)
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fmt.Printf("v%s\n", VERSION)
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default:
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fmt.Fprintf(os.Stderr, "Gemini Tool v%s\n", VERSION)
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fmt.Fprintf(os.Stderr, "Expected command: convert, fmt, get, spec, or version\n")
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flag.Parse()
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flag.PrintDefaults()
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}
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}
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