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Unified Diff: lib/iniParser.js

Issue 29867569: Issue 6893, 6741 - Split out INIParser into its own file (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: Fix ESLint error Created Aug. 28, 2018, 12:02 p.m.
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Index: lib/iniParser.js
===================================================================
new file mode 100644
--- /dev/null
+++ b/lib/iniParser.js
@@ -0,0 +1,123 @@
+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-present eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+"use strict";
+
+/**
+ * @fileOverview INI parsing.
+ */
+
+const {Filter} = require("./filterClasses");
+const {Subscription} = require("./subscriptionClasses");
+
+/**
+ * Parses filter data.
+ */
+class INIParser
+{
+ constructor()
+ {
+ this.fileProperties = {};
+ this.subscriptions = [];
+ this.knownFilters = new Map();
+ this.knownSubscriptions = new Map();
+
+ this._wantObj = true;
+ this._curObj = this.fileProperties;
+ this._curSection = null;
+ }
+
+ process(val)
+ {
+ let origKnownFilters = Filter.knownFilters;
+ Filter.knownFilters = this.knownFilters;
+ let origKnownSubscriptions = Subscription.knownSubscriptions;
+ Subscription.knownSubscriptions = this.knownSubscriptions;
+ let match;
+ try
+ {
+ if (this._wantObj === true && (match = /^(\w+)=(.*)$/.exec(val)))
+ {
+ this._curObj[match[1]] = match[2];
+ }
+ else if (val === null || (match = /^\s*\[(.+)\]\s*$/.exec(val)))
+ {
+ if (this._curObj)
+ {
+ // Process current object before going to next section
+ switch (this._curSection)
+ {
+ case "filter":
+ if ("text" in this._curObj)
+ Filter.fromObject(this._curObj);
+ break;
+ case "subscription":
+ let subscription = Subscription.fromObject(this._curObj);
+ if (subscription)
+ this.subscriptions.push(subscription);
+ break;
+ case "subscription filters":
+ if (this.subscriptions.length)
+ {
+ let currentSubscription = this.subscriptions[
+ this.subscriptions.length - 1
+ ];
+ for (let text of this._curObj)
+ {
+ let filter = Filter.fromText(text);
+ currentSubscription.filters.push(filter);
+ filter.subscriptions.add(currentSubscription);
+ }
+ }
+ break;
+ }
+ }
+
+ if (val === null)
+ return;
+
+ this._curSection = match[1].toLowerCase();
+ switch (this._curSection)
+ {
+ case "filter":
+ case "subscription":
+ this._wantObj = true;
+ this._curObj = {};
+ break;
+ case "subscription filters":
+ this._wantObj = false;
+ this._curObj = [];
+ break;
+ default:
+ this._wantObj = null;
+ this._curObj = null;
+ }
+ }
+ else if (this._wantObj === false && val)
+ {
+ this._curObj.push(val.replace(/\\\[/g, "["));
+ }
+ }
+ finally
+ {
+ Filter.knownFilters = origKnownFilters;
+ Subscription.knownSubscriptions = origKnownSubscriptions;
+ }
+ }
+}
+
+exports.INIParser = INIParser;
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