Make utils.js a module

The main difference is that modules share their code within the same
session.

1 files changed, 118 insertions, 0 deletions

diff --git a/lib/Tools.jsm b/lib/Tools.jsm
new file mode 100644
index 0000000..6db8cfd
--- /dev/null
+++ b/lib/Tools.jsm
@@ -0,0 +1,118 @@
+/*******************************************************************************
+
+    ηMatrix - a browser extension to black/white list requests.
+    Copyright (C) 2014-2019 Raymond Hill
+    Copyright (C) 2019-2020 Alessio Vanni
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 this program.  If not, see {http://www.gnu.org/licenses/}.
+
+    Home: https://libregit.spks.xyz/heckyel/ematrix
+    uMatrix Home: https://github.com/gorhill/uMatrix
+*/
+
+'use strict';
+
+var EXPORTED_SYMBOLS = ['Tools'];
+
+var LineIterator = function (text, offset) {
+    this.text = text;
+    this.textLen = this.text.length;
+    this offset = offset || 0;
+};
+
+LineIterator.prototype = {
+    next: function () {
+        let end = this.text.indexOf('\n', this.offset);
+        if (end === -1) {
+            end = this.text.indexOf('\r', this.offset);
+            if (end === -1) {
+                end = this.textLen;
+            }
+        }
+
+        let line = this.text.slice(this.offset, end);
+        this.offset = end + 1;
+
+        return line;
+    },
+    rewind: function () {
+        if (this.offset <= 1) {
+            this.offset = 0;
+        }
+
+        let end = this.text.lastIndexOf('\n', this.offset - 2);
+        if (end === -1) {
+            this.offset = end + 1;
+        } else {
+            end = this.text.lastIndexOf('\r', this.offset - 2);
+            this.offset = end !== -1 ? end + 1 : 0;
+        }
+    },
+    eot: function () {
+        return this.offset >= this.textLen;
+    },
+};
+
+var setToArray;
+if (typeof Array.from === 'function') {
+    setToArray = Array.from;
+} else {
+    setToArray = function (set) {
+        let out = [];
+        let entries = set.values();
+
+        for (let entry=entries.next();
+             !entry||!entry.done; entry=entries.next()) {
+            out.push(entry.value);
+        }
+
+        return out;
+    };
+}
+
+var Tools = {
+    LineIterator: LineIterator,
+    setToArray: setToArray,
+
+    gotoURL: function (context) {
+        if (typeof context !== 'object') {
+            throw new TypeError(context);
+        }
+
+        context.api.tabs.open(context.details);
+    },
+    gotoExtensionURL: function (context) {
+        if (typeof context !== 'object') {
+            throw new TypeError(context);
+        }
+
+        let details = context.details;
+        let api = context.api;
+        let matrix = context.matrix;
+
+        if (details.url.startsWith('logger-ui.html')) {
+            if (details.shiftKey) {
+                let setting = matrix.userSettings.alwaysDetachLogger;
+                matrix.changeUserSettings('alwaysDetachLogger', !setting);
+            }
+            details.popup = matrix.userSettings.alwaysDetachLogger;
+        }
+
+        details.select = true;
+        api.tabs.open(details);
+    },
+    setFromArray: function (a) {
+        return new Set(a);
+    },
+};