1package main
 2
 3import (
 4	"archive/tar"
 5	"bufio"
 6	"compress/gzip"
 7	"errors"
 8	"flag"
 9	"io"
10	"net/http"
11	"os"
12
13	"git.sr.ht/~gabrielgio/apkdoc/parser"
14	"git.sr.ht/~gabrielgio/apkdoc/templates"
15)
16
17func fechIndex(url string) (io.ReadCloser, error) {
18	resp, err := http.Get(url)
19	if err != nil {
20		return nil, err
21	}
22
23	if resp.StatusCode != 200 {
24		return nil, errors.New("Invlid response")
25	}
26
27	return resp.Body, nil
28}
29
30func main() {
31	url := flag.String("url", "", "Url to the APKINDEX.tar.gz")
32	output := flag.String("output", "index.md", "Output path")
33	flag.Parse()
34
35	tarStream, err := fechIndex(*url)
36	if err != nil {
37		panic("Error fecthing the index: " + err.Error())
38	}
39
40	defer tarStream.Close()
41
42	archive, err := gzip.NewReader(tarStream)
43	if err != nil {
44		panic("Error creating gzip reader: " + err.Error())
45	}
46
47	tr := tar.NewReader(archive)
48
49	for {
50		h, err := tr.Next()
51		if err != nil {
52			panic("Error reading next tar entry: " + err.Error())
53		}
54
55		if h.FileInfo().Name() == "APKINDEX" {
56			break
57		}
58	}
59
60	s := bufio.NewScanner(tr)
61
62	entries := make([]*parser.Entry, 0)
63	lines := make([]string, 0)
64
65	for s.Scan() {
66		l := s.Text()
67		if l == "" {
68			entry := parser.Parse(lines)
69			entries = append(entries, entry)
70			lines = make([]string, 0)
71		} else {
72			lines = append(lines, l)
73		}
74	}
75
76	file, err := os.Create(*output)
77	if err != nil {
78		panic("Error opening output file: " + err.Error())
79	}
80
81	templates.WriteMarkdownTemplate(file, entries)
82}