irctokens/dist/stateful.js

RFC1459 and IRCv3 protocol tokeniser

"use strict";
var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
    if (kind === "m") throw new TypeError("Private method is not writable");
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
    return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var _StatefulDecoder_encoding, _StatefulDecoder_fallback, _StatefulDecoder_buffer, _StatefulEncoder_encoder, _StatefulEncoder_buffer, _StatefulEncoder_bufferedLines;
Object.defineProperty(exports, "__esModule", { value: true });
exports.StatefulEncoder = exports.StatefulDecoder = void 0;
const line_1 = require("./line");
class StatefulDecoder {
    constructor(encoding = 'utf8', fallback = 'latin1') {
        _StatefulDecoder_encoding.set(this, void 0);
        _StatefulDecoder_fallback.set(this, void 0);
        _StatefulDecoder_buffer.set(this, new Uint8Array());
        __classPrivateFieldSet(this, _StatefulDecoder_encoding, encoding, "f");
        __classPrivateFieldSet(this, _StatefulDecoder_fallback, fallback, "f");
        this.clear();
    }
    clear() {
        __classPrivateFieldSet(this, _StatefulDecoder_buffer, new Uint8Array(), "f");
    }
    pending() {
        return __classPrivateFieldGet(this, _StatefulDecoder_buffer, "f");
    }
    push(data) {
        if (!data.length)
            return;
        const newBuffer = new Uint8Array(__classPrivateFieldGet(this, _StatefulDecoder_buffer, "f").length + data.length);
        newBuffer.set(__classPrivateFieldGet(this, _StatefulDecoder_buffer, "f"));
        newBuffer.set(data, __classPrivateFieldGet(this, _StatefulDecoder_buffer, "f").length);
        __classPrivateFieldSet(this, _StatefulDecoder_buffer, newBuffer, "f");
        const lineBuffers = [];
        while (__classPrivateFieldGet(this, _StatefulDecoder_buffer, "f").includes('\n'.charCodeAt(0))) {
            const lfIdx = __classPrivateFieldGet(this, _StatefulDecoder_buffer, "f").indexOf('\n'.charCodeAt(0));
            const crIdx = __classPrivateFieldGet(this, _StatefulDecoder_buffer, "f").indexOf('\r'.charCodeAt(0));
            lineBuffers.push(__classPrivateFieldGet(this, _StatefulDecoder_buffer, "f").slice(0, crIdx < lfIdx ? crIdx : lfIdx));
            __classPrivateFieldSet(this, _StatefulDecoder_buffer, __classPrivateFieldGet(this, _StatefulDecoder_buffer, "f").slice(lfIdx + 1), "f");
        }
        const lines = [];
        for (const line of lineBuffers) {
            lines.push(line_1.tokenise(line, __classPrivateFieldGet(this, _StatefulDecoder_encoding, "f"), __classPrivateFieldGet(this, _StatefulDecoder_fallback, "f")));
        }
        return lines;
    }
}
exports.StatefulDecoder = StatefulDecoder;
_StatefulDecoder_encoding = new WeakMap(), _StatefulDecoder_fallback = new WeakMap(), _StatefulDecoder_buffer = new WeakMap();
class StatefulEncoder {
    constructor() {
        // #encoding: TextEncodingLabel // TODO only supports utf8 at the moment because of TextEncoder
        _StatefulEncoder_encoder.set(this, new TextEncoder());
        _StatefulEncoder_buffer.set(this, new Uint8Array());
        _StatefulEncoder_bufferedLines.set(this, []);
        this.clear();
    }
    clear() {
        __classPrivateFieldSet(this, _StatefulEncoder_buffer, new Uint8Array(), "f");
        __classPrivateFieldSet(this, _StatefulEncoder_bufferedLines, [], "f");
    }
    pending() {
        return __classPrivateFieldGet(this, _StatefulEncoder_buffer, "f");
    }
    push(line) {
        const lineBuffer = __classPrivateFieldGet(this, _StatefulEncoder_encoder, "f").encode(`${line.format()}\r\n`);
        const newBuffer = new Uint8Array(__classPrivateFieldGet(this, _StatefulEncoder_buffer, "f").length + lineBuffer.length);
        newBuffer.set(__classPrivateFieldGet(this, _StatefulEncoder_buffer, "f"));
        newBuffer.set(lineBuffer, __classPrivateFieldGet(this, _StatefulEncoder_buffer, "f").length);
        __classPrivateFieldSet(this, _StatefulEncoder_buffer, newBuffer, "f");
        __classPrivateFieldGet(this, _StatefulEncoder_bufferedLines, "f").push(line);
    }
    pop(byteCount) {
        const sent = __classPrivateFieldGet(this, _StatefulEncoder_buffer, "f").slice(0, byteCount).reduce((acc, curr) => {
            return acc + (curr === '\n'.charCodeAt(0) ? 1 : 0);
        }, 0);
        __classPrivateFieldSet(this, _StatefulEncoder_buffer, __classPrivateFieldGet(this, _StatefulEncoder_buffer, "f").slice(byteCount), "f");
        return new Array(sent).fill(null).map(_ => __classPrivateFieldGet(this, _StatefulEncoder_bufferedLines, "f").shift());
    }
}
exports.StatefulEncoder = StatefulEncoder;
_StatefulEncoder_encoder = new WeakMap(), _StatefulEncoder_buffer = new WeakMap(), _StatefulEncoder_bufferedLines = new WeakMap();
//# sourceMappingURL=stateful.js.map