Fork uMatrix

Pretty much just changing the name and the copyright.

1 files changed, 209 insertions, 0 deletions

diff --git a/js/i18n.js b/js/i18n.js
new file mode 100644
index 0000000..5bb854c
--- /dev/null
+++ b/js/i18n.js
@@ -0,0 +1,209 @@
+/*******************************************************************************
+
+    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
+*/
+
+/* global vAPI, uDom */
+
+/******************************************************************************/
+
+// This file should always be included at the end of the `body` tag, so as
+// to ensure all i18n targets are already loaded.
+
+(function() {
+
+'use strict';
+
+/******************************************************************************/
+
+// https://github.com/gorhill/uBlock/issues/2084
+//   Anything else than <a>, <b>, <code>, <em>, <i>, <input>, and <span> will
+//   be rendered as plain text.
+//   For <input>, only the type attribute is allowed.
+//   For <a>, only href attribute must be present, and it MUST starts with
+//   `https://`, and includes no single- or double-quotes.
+//   No HTML entities are allowed, there is code to handle existing HTML
+//   entities already present in translation files until they are all gone.
+
+var reSafeTags = /^([\s\S]*?)<(b|blockquote|code|em|i|kbd|span|sup)>(.+?)<\/\2>([\s\S]*)$/,
+    reSafeInput = /^([\s\S]*?)<(input type="[^"]+")>(.*?)([\s\S]*)$/,
+    reInput = /^input type=(['"])([a-z]+)\1$/,
+    reSafeLink = /^([\s\S]*?)<(a href=['"]https?:\/\/[^'" <>]+['"])>(.+?)<\/a>([\s\S]*)$/,
+    reLink = /^a href=(['"])(https?:\/\/[^'"]+)\1$/;
+
+var safeTextToTagNode = function(text) {
+    var matches, node;
+    if ( text.lastIndexOf('a ', 0) === 0 ) {
+        matches = reLink.exec(text);
+        if ( matches === null ) { return null; }
+        node = document.createElement('a');
+        node.setAttribute('href', matches[2]);
+        return node;
+    }
+    if ( text.lastIndexOf('input ', 0) === 0 ) {
+        matches = reInput.exec(text);
+        if ( matches === null ) { return null; }
+        node = document.createElement('input');
+        node.setAttribute('type', matches[2]);
+        return node;
+    }
+    // Firefox extension validator warns if using a variable as argument for
+    // document.createElement().
+    switch ( text ) {
+    case 'b':
+        return document.createElement('b');
+    case 'blockquote':
+        return document.createElement('blockquote');
+    case 'code':
+        return document.createElement('code');
+    case 'em':
+        return document.createElement('em');
+    case 'i':
+        return document.createElement('i');
+    case 'kbd':
+        return document.createElement('kbd');
+    case 'span':
+        return document.createElement('span');
+    case 'sup':
+        return document.createElement('sup');
+    default:
+        break;
+    }
+};
+
+var safeTextToTextNode = function(text) {
+    // TODO: remove once no more HTML entities in translation files.
+    if ( text.indexOf('&') !== -1 ) {
+        text = text.replace(/&ldquo;/g, '“')
+                   .replace(/&rdquo;/g, '”')
+                   .replace(/&lsquo;/g, '‘')
+                   .replace(/&rsquo;/g, '’');
+    }
+    return document.createTextNode(text);
+};
+
+var safeTextToDOM = function(text, parent) {
+    if ( text === '' ) { return; }
+    // Fast path (most common).
+    if ( text.indexOf('<') === -1 ) {
+        return parent.appendChild(safeTextToTextNode(text));
+    }
+    // Slow path.
+    // `<p>` no longer allowed. Code below can be remove once all <p>'s are
+    // gone from translation files.
+    text = text.replace(/^<p>|<\/p>/g, '')
+               .replace(/<p>/g, '\n\n');
+    // Parse allowed HTML tags.
+    var matches,
+        matches1 = reSafeTags.exec(text),
+        matches2 = reSafeLink.exec(text);
+    if ( matches1 !== null && matches2 !== null ) {
+        matches = matches1.index < matches2.index ? matches1 : matches2;
+    } else if ( matches1 !== null ) {
+        matches = matches1;
+    } else if ( matches2 !== null ) {
+        matches = matches2;
+    } else {
+        matches = reSafeInput.exec(text);
+    }
+    if ( matches === null ) {
+        parent.appendChild(safeTextToTextNode(text));
+        return;
+    }
+    safeTextToDOM(matches[1], parent);
+    var node = safeTextToTagNode(matches[2]) || parent;
+    safeTextToDOM(matches[3], node);
+    parent.appendChild(node);
+    safeTextToDOM(matches[4], parent);
+};
+
+/******************************************************************************/
+
+// Helper to deal with the i18n'ing of HTML files.
+vAPI.i18n.render = function(context) {
+    var docu = document,
+        root = context || docu,
+        elems, n, i, elem, text;
+
+    elems = root.querySelectorAll('[data-i18n]');
+    n = elems.length;
+    for ( i = 0; i < n; i++ ) {
+        elem = elems[i];
+        text = vAPI.i18n(elem.getAttribute('data-i18n'));
+        if ( !text ) { continue; }
+        // TODO: remove once it's all replaced with <input type="...">
+        if ( text.indexOf('{') !== -1 ) {
+            text = text.replace(/\{\{input:([^}]+)\}\}/g, '<input type="$1">');
+        }
+        safeTextToDOM(text, elem);
+    }
+
+    uDom('[title]', context).forEach(function(elem) {
+        var title = vAPI.i18n(elem.attr('title'));
+        if ( title ) {
+            elem.attr('title', title);
+        }
+    });
+
+    uDom('[placeholder]', context).forEach(function(elem) {
+        elem.attr('placeholder', vAPI.i18n(elem.attr('placeholder')));
+    });
+
+    uDom('[data-i18n-tip]', context).forEach(function(elem) {
+        elem.attr(
+            'data-tip',
+            vAPI.i18n(elem.attr('data-i18n-tip'))
+                .replace(/<br>/g, '\n')
+                .replace(/\n{3,}/g, '\n\n')
+        );
+    });
+};
+
+vAPI.i18n.render();
+
+/******************************************************************************/
+
+vAPI.i18n.renderElapsedTimeToString = function(tstamp) {
+    var value = (Date.now() - tstamp) / 60000;
+    if ( value < 2 ) {
+        return vAPI.i18n('elapsedOneMinuteAgo');
+    }
+    if ( value < 60 ) {
+        return vAPI.i18n('elapsedManyMinutesAgo').replace('{{value}}', Math.floor(value).toLocaleString());
+    }
+    value /= 60;
+    if ( value < 2 ) {
+        return vAPI.i18n('elapsedOneHourAgo');
+    }
+    if ( value < 24 ) {
+        return vAPI.i18n('elapsedManyHoursAgo').replace('{{value}}', Math.floor(value).toLocaleString());
+    }
+    value /= 24;
+    if ( value < 2 ) {
+        return vAPI.i18n('elapsedOneDayAgo');
+    }
+    return vAPI.i18n('elapsedManyDaysAgo').replace('{{value}}', Math.floor(value).toLocaleString());
+};
+
+/******************************************************************************/
+
+})();
+
+/******************************************************************************/