1 files changed, 106 insertions, 0 deletions
diff --git a/js/utils.js b/js/utils.js
new file mode 100644
index 0000000..3b1d170
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+++ b/js/utils.js
@@ -0,0 +1,106 @@
+/*******************************************************************************
+
+    ηMatrix - a browser extension to black/white list requests.
+    Copyright (C) 2014-2019 Raymond Hill
+    Copyright (C) 2019 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/}.
+
+    uMatrix Home: https://github.com/gorhill/uMatrix
+*/
+
+'use strict';
+
+/******************************************************************************/
+
+µMatrix.gotoURL = function(details) {
+    vAPI.tabs.open(details);
+};
+
+/******************************************************************************/
+
+µMatrix.gotoExtensionURL = function(details) {
+    if ( details.url.startsWith('logger-ui.html') ) {
+        if ( details.shiftKey ) {
+            this.changeUserSettings(
+                'alwaysDetachLogger',
+                !this.userSettings.alwaysDetachLogger
+            );
+        }
+        details.popup = this.userSettings.alwaysDetachLogger;
+    }
+    details.select = true;
+    vAPI.tabs.open(details);
+};
+
+/******************************************************************************/
+
+µMatrix.LineIterator = function(text, offset) {
+    this.text = text;
+    this.textLen = this.text.length;
+    this.offset = offset || 0;
+};
+
+µMatrix.LineIterator.prototype = {
+    next: function() {
+        var lineEnd = this.text.indexOf('\n', this.offset);
+        if ( lineEnd === -1 ) {
+            lineEnd = this.text.indexOf('\r', this.offset);
+            if ( lineEnd === -1 ) {
+                lineEnd = this.textLen;
+            }
+        }
+        var line = this.text.slice(this.offset, lineEnd);
+        this.offset = lineEnd + 1;
+        return line;
+    },
+    rewind: function() {
+        if ( this.offset <= 1 ) {
+            this.offset = 0;
+            return;
+        }
+        var lineEnd = this.text.lastIndexOf('\n', this.offset - 2);
+        if ( lineEnd !== -1 ) {
+            this.offset = lineEnd + 1;
+        } else {
+            lineEnd = this.text.lastIndexOf('\r', this.offset - 2);
+            this.offset = lineEnd !== -1 ? lineEnd + 1 : 0;
+        }
+    },
+    eot: function() {
+        return this.offset >= this.textLen;
+    }
+};
+
+/******************************************************************************/
+
+µMatrix.setToArray = typeof Array.from === 'function' ?
+    Array.from :
+    function(dict) {
+        var out = [],
+            entries = dict.values(),
+            entry;
+        for (;;) {
+            entry = entries.next();
+            if ( entry.done ) { break; }
+            out.push(entry.value);
+        }
+        return out;
+    };
+
+µMatrix.setFromArray = function(arr) {
+    return new Set(arr);
+};
+
+/******************************************************************************/