first commit

1 files changed, 108 insertions, 0 deletions

diff --git a/deb822/package.go b/deb822/package.go
new file mode 100644
index 0000000..df444ea
--- /dev/null
+++ b/deb822/package.go
@@ -0,0 +1,108 @@
+package deb822
+
+import (
+	"fmt"
+	"html/template"
+	"io"
+	"log"
+	"os"
+	"regexp"
+	"strings"
+)
+
+type Package struct {
+	Name            string
+	Version         string
+	Description     string
+	LongDescription string
+	Depends         []string
+	Maintainer      string
+	Filename        string
+}
+
+var regexpRemove = regexp.MustCompile("(DEVUAN/|DEBIAN/|[0-9]+:)")
+
+var regexpDots = regexp.MustCompilePOSIX("(^[[:blank:]]+.[[:blank:]]*$)")
+
+func NewPackage(s Stanza) (Package, error) {
+
+	var p Package
+
+	if s["Package"] == "" || s["Version"] == "" {
+		return p, fmt.Errorf("empty package")
+	}
+
+	p.Name = s["Package"]
+	p.Version = regexpRemove.ReplaceAllString(s["Version"], "")
+	descr := strings.SplitN(s["Description"], "\n", 2)
+	p.Description = descr[0]
+	if len(descr) > 1 {
+		p.LongDescription = regexpDots.ReplaceAllString(descr[1], "")
+	}
+	p.Maintainer = s["Maintainer"]
+	p.Depends = strings.Split(s["Depends"], ",")
+
+	return p, nil
+
+}
+
+func PrintPackage(p Package, templ string, out io.Writer) {
+
+	t, err := template.New("webpage").Parse(templ)
+
+	if err != nil {
+		log.Fatal("Error in template")
+	}
+
+	t.Execute(out, p)
+}
+
+/*Stanza2HtmlPage Render the html webpage of a package and save it in the
+/* corresponding "pool" directory.
+*/
+func Stanza2HtmlPage(s Stanza, templ string, baseDir string) error {
+
+	fname := s["Filename"]
+	if fname == "" {
+		return fmt.Errorf("No Filename provided")
+	}
+	p, err := NewPackage(s)
+	if err != nil {
+		log.Fatal("empty package!!!")
+	}
+	nameVersion := fmt.Sprintf("%s_%s", p.Name, p.Version)
+	fmt.Printf("  nameVersion: %s\n", nameVersion)
+	fmt.Printf("  baseDir: %s\n", baseDir)
+
+	fname = regexpRemove.ReplaceAllString(fname, "")
+	fmt.Printf("  fname: %s\n", fname)
+
+	/// FIXME!!!! ERROR IN DETECTION OF PACKAGE NAME!!!!
+	dirName := fmt.Sprintf("%s/%s", baseDir, strings.Split(fname, nameVersion)[0])
+
+	err = os.MkdirAll(dirName, 0755)
+	if err == nil {
+		fmt.Printf("  dirName: %s\n  Package: %s\n  Version: %s\n", dirName, p.Name, p.Version)
+		htmlFile := fmt.Sprintf("%s%s_%s.html", dirName, p.Name, p.Version)
+		fmt.Printf("Creating file: %s\n---------\n", htmlFile)
+		if f, err := os.Open(htmlFile); err == nil {
+			f.Close()
+			fmt.Printf("File %s exists -- skipping\n", htmlFile)
+			return err
+		}
+		file, err := os.Create(htmlFile)
+		if err != nil {
+			err = fmt.Errorf("Error creating file: %s", err)
+			return err
+		} else {
+			PrintPackage(p, templ, file)
+			file.Close()
+			return nil
+		}
+	} else {
+		err = fmt.Errorf("Error creating path: %s", err)
+		return err
+	}
+
+	return nil
+}