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149 lines
5.7 KiB
JavaScript
149 lines
5.7 KiB
JavaScript
import { openDB } from 'indexed-pdb'
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import * as tic from './ticparse.js'
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import * as filesize from 'filesize';
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import {select, selectAll} from "d3-selection";
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import * as CodeMirror from 'codemirror';
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import 'codemirror/mode/lua/lua.js';
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import 'codemirror/mode/javascript/javascript.js';
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import 'codemirror/addon/fold/foldcode.js';
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import 'codemirror/addon/fold/foldgutter.js';
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//require('codemirror/addon/fold/foldcode.js');
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//require('codemirror/addon/fold/foldgutter.js');
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//require('codemirror/addon/fold/markdown-fold.js')
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//require("codemirror/theme/monokai.css")
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var current_item,
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current_filename,
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current_cart;
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const DB_NAME = "/com.nesbox.tic/TIC-80",
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DB_STORE = "FILE_DATA",
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TIC_SPECIALS = ["TIC", "SCN", "OVR", "btn", "btnp", "clip", "cls", "circ", "circb", "exit", "fget", "font", "fset", "key", "keyp", "line", "map", "memcpy", "memset", "mget", "mouse", "mset", "music", "peek", "peek4", "pix", "pmem", "poke", "poke4", "print", "rect", "rectb", "reset", "sfx", "spr", "sync", "time", "tstamp", "trace", "tri", "textri"],
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listing = select("#listing"),
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table = listing.append("table"),
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thead = table.append("thead").append("tr"),
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tbody = table.append("tbody"),
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CM_OPTS = {
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// mode: {'name': 'lua', 'specials': TIC_SPECIALS, 'fold': true},
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mode: {'name': 'javascript'},
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theme: 'default',
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lineNumbers: true,
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lineWrapping: true,
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extraKeys: {"Ctrl-S": function(cm){ save(); }},
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foldGutter: true,
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gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"]
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},
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code = CodeMirror(document.getElementById("code"), CM_OPTS);
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listing.append("button").html("save").on("click", (e, d) => {
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if (current_filename) { save(); }
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});
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listing.append("button").html("save as...").on("click", (e, d) => {
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if (current_filename) {
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var save_filename = prompt("key", current_filename);
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if (save_filename) {
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current_filename = save_filename;
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save();
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}
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}
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});
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listing.append("input").attr("type", "file").on("change", function (e, d) {
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console.log("filechange", this.files);
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if (this.files.length == 1) {
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this.files[0].arrayBuffer().then(result => {
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console.log("file", result);
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var file_cart = tic.parsetic(result);
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console.log("file_cart", file_cart);
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})
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// reader.readAsArrayBuffer(this.files[0]);
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}
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});
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thead.selectAll("th").data(["name", "size", "time", " "]).enter().append("th").html(d => d);
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async function save() {
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current_cart.code.text = code.getValue();
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console.log("code", current_cart.code.text);
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current_item.contents = current_cart.tobuffer();
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current_item.timestamp = new Date();
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console.log("save", current_item);
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return await save_key(DB_NAME+"/"+current_filename, current_item);
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}
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function filename_from_key (key) {
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if (key.startsWith(DB_NAME+"/")) { return key.substr((DB_NAME+"/").length); }
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}
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(async () => {
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try {
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const db = await openDB(DB_NAME);
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var objectStore = db.transaction([DB_STORE], "readonly").objectStore(DB_STORE);
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var files = [];
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await objectStore.openCursor().then(function push_item(cursor) {
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if (!cursor) { return }
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var filename = filename_from_key(cursor.key);
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if (filename && !filename.startsWith(".")) {
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// console.log(cursor.value.contents);
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var blob = new Blob([cursor.value.contents]);
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// console.log("blob", blob, {type: "application/octet-stream"});
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var objecturl = URL.createObjectURL(blob);
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files.push({
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key: cursor.key,
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filename: filename,
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size: cursor.value.contents.length,
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timestamp: cursor.value.timestamp,
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objecturl: objecturl
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});
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}
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return cursor.continue().then(push_item)
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})
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// console.log("files", files);
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let tr = tbody.selectAll("tr").data(files).enter().append("tr");
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tr.append("td").append("a").attr("href", "#").html(d => d.filename).on("click", async (e, d) => {
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e.preventDefault();
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var filename = filename_from_key(d.key);
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if (filename) {
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current_filename = filename;
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current_item = await load_key(DB_NAME+"/"+current_filename);
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console.log("loaded item", current_item);
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current_cart = tic.parsetic(current_item.contents);
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console.log("current_cart", current_cart);
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code.setValue(current_cart.code.text);
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}
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});
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tr.append("td").html(d => filesize(d.size));
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tr.append("td").html(d => d.timestamp.toLocaleString());
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tr.append("td").append("a").attr("href", d=>d.objecturl).attr("download", d=>d.filename).html("download");
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} catch (error) {
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console.log(error, 'any error during the process');
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}
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})()
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function compareBuffers (a, b) {
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var ad = new DataView(a.buffer),
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bd = new DataView(b.buffer);
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if (ad.byteLength != bd.byteLength) { return false; }
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for (var i=0; i<ad.byteLength; i++) {
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if (ad.getUint8(i, 1) != bd.getUint8(i, 1)) { return false;}
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}
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return true;
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}
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async function load_key (key) {
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const db = await openDB(DB_NAME),
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objectStore = db.transaction([DB_STORE], "readonly").objectStore(DB_STORE);
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return await objectStore.get(key);
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}
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async function save_key (key, item) {
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const db = await openDB(DB_NAME),
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objectStore = db.transaction([DB_STORE], "readwrite").objectStore(DB_STORE);
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return await objectStore.put(item, key);
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}
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