tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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IsoDateTime.mjs (4646B)

      1 // generated by diplomat-tool
      2 import { IsoDate } from "./IsoDate.mjs"
      3 import { Rfc9557ParseError } from "./Rfc9557ParseError.mjs"
      4 import { Time } from "./Time.mjs"
      5 import wasm from "./diplomat-wasm.mjs";
      6 import * as diplomatRuntime from "./diplomat-runtime.mjs";
      7 
      8 
      9 /**
     10 * An ICU4X DateTime object capable of containing a ISO-8601 date and time.
     11 *
     12 * See the [Rust documentation for `DateTime`](https://docs.rs/icu/latest/icu/time/struct.DateTime.html) for more information.
     13 */
     14 
     15 
     16 export class IsoDateTime {
     17    #date;
     18    get date() {
     19        return this.#date;
     20    }
     21    #time;
     22    get time() {
     23        return this.#time;
     24    }
     25    #internalConstructor(structObj, internalConstructor) {
     26        if (typeof structObj !== "object") {
     27            throw new Error("IsoDateTime's constructor takes an object of IsoDateTime's fields.");
     28        }
     29 
     30        if (internalConstructor !== diplomatRuntime.internalConstructor) {
     31            throw new Error("IsoDateTime is an out struct and can only be created internally.");
     32        }
     33        if ("date" in structObj) {
     34            this.#date = structObj.date;
     35        } else {
     36            throw new Error("Missing required field date.");
     37        }
     38 
     39        if ("time" in structObj) {
     40            this.#time = structObj.time;
     41        } else {
     42            throw new Error("Missing required field time.");
     43        }
     44 
     45        return this;
     46    }
     47 
     48    // Return this struct in FFI function friendly format.
     49    // Returns an array that can be expanded with spread syntax (...)
     50    _intoFFI(
     51        functionCleanupArena,
     52        appendArrayMap
     53    ) {
     54        return [this.#date.ffiValue, this.#time.ffiValue]
     55    }
     56 
     57    static _fromSuppliedValue(internalConstructor, obj) {
     58        if (internalConstructor !== diplomatRuntime.internalConstructor) {
     59            throw new Error("_fromSuppliedValue cannot be called externally.");
     60        }
     61 
     62        if (obj instanceof IsoDateTime) {
     63            return obj;
     64        }
     65 
     66        return IsoDateTime.fromFields(obj);
     67    }
     68 
     69    _writeToArrayBuffer(
     70        arrayBuffer,
     71        offset,
     72        functionCleanupArena,
     73        appendArrayMap
     74    ) {
     75        diplomatRuntime.writeToArrayBuffer(arrayBuffer, offset + 0, this.#date.ffiValue, Uint32Array);
     76        diplomatRuntime.writeToArrayBuffer(arrayBuffer, offset + 4, this.#time.ffiValue, Uint32Array);
     77    }
     78 
     79    // This struct contains borrowed fields, so this takes in a list of
     80    // "edges" corresponding to where each lifetime's data may have been borrowed from
     81    // and passes it down to individual fields containing the borrow.
     82    // This method does not attempt to handle any dependencies between lifetimes, the caller
     83    // should handle this when constructing edge arrays.
     84    static _fromFFI(internalConstructor, ptr) {
     85        if (internalConstructor !== diplomatRuntime.internalConstructor) {
     86            throw new Error("IsoDateTime._fromFFI is not meant to be called externally. Please use the default constructor.");
     87        }
     88        let structObj = {};
     89        const dateDeref = diplomatRuntime.ptrRead(wasm, ptr);
     90        structObj.date = new IsoDate(diplomatRuntime.internalConstructor, dateDeref, []);
     91        const timeDeref = diplomatRuntime.ptrRead(wasm, ptr + 4);
     92        structObj.time = new Time(diplomatRuntime.internalConstructor, timeDeref, []);
     93 
     94        return new IsoDateTime(structObj, internalConstructor);
     95    }
     96 
     97 
     98    /**
     99     * Creates a new [`IsoDateTime`] from an IXDTF string.
    100     *
    101     * See the [Rust documentation for `try_from_str`](https://docs.rs/icu/latest/icu/time/struct.DateTime.html#method.try_from_str) for more information.
    102     */
    103    static fromString(v) {
    104        let functionCleanupArena = new diplomatRuntime.CleanupArena();
    105 
    106        const vSlice = diplomatRuntime.DiplomatBuf.str8(wasm, v);
    107        const diplomatReceive = new diplomatRuntime.DiplomatReceiveBuf(wasm, 9, 4, true);
    108 
    109 
    110        const result = wasm.icu4x_IsoDateTime_from_string_mv1(diplomatReceive.buffer, ...vSlice.splat());
    111 
    112        try {
    113            if (!diplomatReceive.resultFlag) {
    114                const cause = new Rfc9557ParseError(diplomatRuntime.internalConstructor, diplomatRuntime.enumDiscriminant(wasm, diplomatReceive.buffer));
    115                throw new globalThis.Error('Rfc9557ParseError: ' + cause.value, { cause });
    116            }
    117            return IsoDateTime._fromFFI(diplomatRuntime.internalConstructor, diplomatReceive.buffer);
    118        }
    119 
    120        finally {
    121            functionCleanupArena.free();
    122 
    123            diplomatReceive.free();
    124        }
    125    }
    126 
    127    constructor(structObj, internalConstructor) {
    128        return this.#internalConstructor(...arguments)
    129    }
    130 }