ArrayBufferUtil (#2215)

* Rename StringUtil to ArrayBufferUtil

* Update docs

* Rename file string-util.js to array-buffer-util.js

1 files changed, 0 insertions, 76 deletions

diff --git a/ext/js/data/sandbox/string-util.js b/ext/js/data/sandbox/string-util.js
deleted file mode 100644
index de6933cd..00000000
--- a/ext/js/data/sandbox/string-util.js
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2021-2022  Yomichan Authors
- *
- * 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 <https://www.gnu.org/licenses/>.
- */
-
-/**
- * Class containing generic string utility functions.
- */
-class StringUtil {
-    /**
-     * Decodes the contents of an ArrayBuffer using UTF8.
-     * @param {ArrayBuffer} arrayBuffer The input ArrayBuffer.
-     * @returns {string} A UTF8-decoded string.
-     */
-    static arrayBufferUtf8Decode(arrayBuffer) {
-        try {
-            return new TextDecoder('utf-8').decode(arrayBuffer);
-        } catch (e) {
-            return decodeURIComponent(escape(this.arrayBufferToBinaryString(arrayBuffer)));
-        }
-    }
-
-    /**
-     * Converts the contents of an ArrayBuffer to a base64 string.
-     * @param {ArrayBuffer} arrayBuffer The input ArrayBuffer.
-     * @returns {string} A base64 string representing the binary content.
-     */
-    static arrayBufferToBase64(arrayBuffer) {
-        return btoa(this.arrayBufferToBinaryString(arrayBuffer));
-    }
-
-    /**
-     * Converts the contents of an ArrayBuffer to a binary string.
-     * @param {ArrayBuffer} arrayBuffer The input ArrayBuffer.
-     * @returns {string} A string representing the binary content.
-     */
-    static arrayBufferToBinaryString(arrayBuffer) {
-        const bytes = new Uint8Array(arrayBuffer);
-        try {
-            return String.fromCharCode(...bytes);
-        } catch (e) {
-            let binary = '';
-            for (let i = 0, ii = bytes.byteLength; i < ii; ++i) {
-                binary += String.fromCharCode(bytes[i]);
-            }
-            return binary;
-        }
-    }
-
-    /**
-     * Converts a base64 string to an ArrayBuffer.
-     * @param {string} content The binary content string encoded in base64.
-     * @returns {ArrayBuffer} A new `ArrayBuffer` object corresponding to the specified content.
-     */
-    static base64ToArrayBuffer(content) {
-        const binaryContent = atob(content);
-        const length = binaryContent.length;
-        const array = new Uint8Array(length);
-        for (let i = 0; i < length; ++i) {
-            array[i] = binaryContent.charCodeAt(i);
-        }
-        return array.buffer;
-    }
-}