staging: smolblok

smolblok is a replacement for the current lib/urlfilter AdBlockPlus
and hostlist format filter parser. It is a library that uses plugins to
provide support for different filter formats.

staging/adblock: AdBlockPlus parser plugin
plugins/smolblok_hostlist: hostlist format parser plugin

Headers will be installed to include/smolbote/

Remove lib/urlfilter

1 files changed, 54 insertions, 0 deletions

diff --git a/staging/adblock/plugin/plugin.cpp b/staging/adblock/plugin/plugin.cpp
new file mode 100644
index 0000000..028c83f
--- /dev/null
+++ b/staging/adblock/plugin/plugin.cpp
@@ -0,0 +1,54 @@
+/*
+ * This file is part of smolbote. It's copyrighted by the contributors recorded
+ * in the version control history of the file, available from its original
+ * location: https://library.iserlohn-fortress.net/aqua/smolbote.git
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#include "plugin.h"
+#include "../filterlist.h"
+#include <QTextStream>
+
+using namespace AdblockPlus;
+
+Filter* AdblockPlusFilterPlugin::load(QIODevice* from) const
+{
+    if(!from->isOpen())
+        return nullptr;
+
+
+    QTextStream stream(from);
+    
+    if(stream.readLine().trimmed() != QLatin1String("[Adblock Plus 2.0]")) {
+        return nullptr;
+    }
+
+    auto *list = new FilterList;
+    QString line;
+    int total, comments, rules, unsupported, failed;
+
+    while(stream.readLineInto(&line)) {
+        if(!line.isEmpty()) {
+            ++total;
+
+            switch(list->parse(line))
+            {
+                case FilterList::Comment:
+                    ++comments;
+                    break;
+                case FilterList::Rule:
+                    ++rules;
+                    break;
+                case FilterList::Unsupported:
+                    ++unsupported;
+                    break;
+                case FilterList::Failed:
+                    break;
+            }
+        }
+    }
+
+    return list;
+}
+