I've written a filter for Gentoo Linux ebuilds. The main goal is to extract information like the title, version, description, etc. It was really easy to write. I'd appreciate comments (I'm a Java developer, so I'm sure there are some bad things I've done with C# here ;). Any chance this could get included in the beagle distribution? How do I go about that, file a bug?
Thanks.
--- code here ---
using System;
using System.IO;
using System.Text.RegularExpressions;
using Beagle.Daemon;
namespace Beagle.Filters {
public class FilterEbuild : Beagle.Daemon.Filter {
Regex METADATA_PATTERN = new
Regex("\\s*(?<key>([A-Z_]+))\\s*=\\s*\"(?<value>(.*))\"\\s*");
Regex EINFO = new
Regex("\\s*(einfo|ewarn)\\s+\"(?<message>(.*))\"\\s*");
Regex PACKAGE = new
Regex("(?<name>([^0-9]+))-(?<version>(.+)).ebuild");
public FilterEbuild ()
{
AddSupportedFlavor (FilterFlavor.NewFromExtension
(".ebuild"));
SetVersion(1);
}
override protected void DoOpen (FileInfo file)
{
Match match = PACKAGE.Match(file.Name);
String pkgname = match.Groups["name"].ToString();
if (pkgname.Length > 0) {
AddProperty (Beagle.Property.New
("fixme:title", pkgname));
}
String version = match.Groups["version"].ToString();
if (version.Length > 0) {
AddProperty (Beagle.Property.New
("fixme:version", version));
}
StreamReader reader = new StreamReader(new
FileStream(file.FullName,
FileMode.Open, FileAccess.Read, FileShare.Read));
string str = TextReader.ReadLine ();
while ((str = reader.ReadLine ()) != null) {
if (str.Length > 0) {
// check for meta data
MatchCollection matches;
matches = METADATA_PATTERN.Matches
(str);
if (matches.Count > 0) {
foreach (Match theMatch in
matches) {
String key =
theMatch.Groups ["key"].ToString ();
String value =
theMatch.Groups ["value"].ToString ();
if
(key.Equals("DESCRIPTION")) {
AddProperty
(Beagle.Property.New ("dc:description", value));
}
else if
(key.Equals("LICENSE")) {
AddProperty
(Beagle.Property.New ("dc:rights", value));
}
else if
(key.Equals("HOMEPAGE")) {
AddProperty
(Beagle.Property.New ("dc:source", value));
}
}
}
else
{
// check for einfo/ewarn
matches = EINFO.Matches (str);
if (matches.Count > 0) {
foreach (Match theMatch
in matches) {
AppendText(theMatch.Groups ["message"].ToString ());
}
}
}
}
}
Finished();
}
}
}
--- code not here ---
--
Pat Double, [EMAIL PROTECTED]
"In the beginning God created the heaven and the earth."
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