tor-browser

Bidi.mjs (7081B)

---

// generated by diplomat-tool
import { BidiInfo } from "./BidiInfo.mjs"
import { DataError } from "./DataError.mjs"
import { DataProvider } from "./DataProvider.mjs"
import { ReorderedIndexMap } from "./ReorderedIndexMap.mjs"
import wasm from "./diplomat-wasm.mjs";
import * as diplomatRuntime from "./diplomat-runtime.mjs";


/**
* An ICU4X Bidi object, containing loaded bidi data
*
* See the [Rust documentation for `BidiClass`](https://docs.rs/icu/latest/icu/properties/props/struct.BidiClass.html) for more information.
*/
const Bidi_box_destroy_registry = new FinalizationRegistry((ptr) => {
   wasm.icu4x_Bidi_destroy_mv1(ptr);
});

export class Bidi {
   // Internal ptr reference:
   #ptr = null;

   // Lifetimes are only to keep dependencies alive.
   // Since JS won't garbage collect until there are no incoming edges.
   #selfEdge = [];

   #internalConstructor(symbol, ptr, selfEdge) {
       if (symbol !== diplomatRuntime.internalConstructor) {
           console.error("Bidi is an Opaque type. You cannot call its constructor.");
           return;
       }
       this.#ptr = ptr;
       this.#selfEdge = selfEdge;

       // Are we being borrowed? If not, we can register.
       if (this.#selfEdge.length === 0) {
           Bidi_box_destroy_registry.register(this, this.#ptr);
       }

       return this;
   }
   get ffiValue() {
       return this.#ptr;
   }


   /**
    * Creates a new [`Bidi`] from locale data using compiled data.
    */
   #defaultConstructor() {

       const result = wasm.icu4x_Bidi_create_mv1();

       try {
           return new Bidi(diplomatRuntime.internalConstructor, result, []);
       }

       finally {
       }
   }

   /**
    * Creates a new [`Bidi`] from locale data, and a particular data source.
    */
   static createWithProvider(provider) {
       const diplomatReceive = new diplomatRuntime.DiplomatReceiveBuf(wasm, 5, 4, true);


       const result = wasm.icu4x_Bidi_create_with_provider_mv1(diplomatReceive.buffer, provider.ffiValue);

       try {
           if (!diplomatReceive.resultFlag) {
               const cause = new DataError(diplomatRuntime.internalConstructor, diplomatRuntime.enumDiscriminant(wasm, diplomatReceive.buffer));
               throw new globalThis.Error('DataError: ' + cause.value, { cause });
           }
           return new Bidi(diplomatRuntime.internalConstructor, diplomatRuntime.ptrRead(wasm, diplomatReceive.buffer), []);
       }

       finally {
           diplomatReceive.free();
       }
   }

   /**
    * Use the data loaded in this object to process a string and calculate bidi information
    *
    * Takes in a Level for the default level, if it is an invalid value it will default to LTR
    *
    * See the [Rust documentation for `new_with_data_source`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.BidiInfo.html#method.new_with_data_source) for more information.
    */
   forText(text, defaultLevel) {
       let functionCleanupArena = new diplomatRuntime.CleanupArena();

       let functionGarbageCollectorGrip = new diplomatRuntime.GarbageCollectorGrip();
       const textSlice = diplomatRuntime.DiplomatBuf.str8(wasm, text);
       // This lifetime edge depends on lifetimes 'text
       let textEdges = [textSlice];


       const result = wasm.icu4x_Bidi_for_text_valid_utf8_mv1(this.ffiValue, ...textSlice.splat(), ...diplomatRuntime.optionToArgsForCalling(defaultLevel, 1, 1, (arrayBuffer, offset, jsValue) => [diplomatRuntime.writeToArrayBuffer(arrayBuffer, offset + 0, jsValue, Uint8Array)]));

       try {
           return new BidiInfo(diplomatRuntime.internalConstructor, result, [], textEdges);
       }

       finally {
           functionCleanupArena.free();

           functionGarbageCollectorGrip.releaseToGarbageCollector();

       }
   }

   /**
    * Utility function for producing reorderings given a list of levels
    *
    * Produces a map saying which visual index maps to which source index.
    *
    * The levels array must not have values greater than 126 (this is the
    * Bidi maximum explicit depth plus one).
    * Failure to follow this invariant may lead to incorrect results,
    * but is still safe.
    *
    * See the [Rust documentation for `reorder_visual`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.BidiInfo.html#method.reorder_visual) for more information.
    */
   reorderVisual(levels) {
       let functionCleanupArena = new diplomatRuntime.CleanupArena();

       const levelsSlice = diplomatRuntime.DiplomatBuf.slice(wasm, levels, "u8");

       const result = wasm.icu4x_Bidi_reorder_visual_mv1(this.ffiValue, ...levelsSlice.splat());

       try {
           return new ReorderedIndexMap(diplomatRuntime.internalConstructor, result, []);
       }

       finally {
           functionCleanupArena.free();

       }
   }

   /**
    * Check if a Level returned by level_at is an RTL level.
    *
    * Invalid levels (numbers greater than 125) will be assumed LTR
    *
    * See the [Rust documentation for `is_rtl`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.Level.html#method.is_rtl) for more information.
    */
   static levelIsRtl(level) {

       const result = wasm.icu4x_Bidi_level_is_rtl_mv1(level);

       try {
           return result;
       }

       finally {
       }
   }

   /**
    * Check if a Level returned by level_at is an LTR level.
    *
    * Invalid levels (numbers greater than 125) will be assumed LTR
    *
    * See the [Rust documentation for `is_ltr`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.Level.html#method.is_ltr) for more information.
    */
   static levelIsLtr(level) {

       const result = wasm.icu4x_Bidi_level_is_ltr_mv1(level);

       try {
           return result;
       }

       finally {
       }
   }

   /**
    * Get a basic RTL Level value
    *
    * See the [Rust documentation for `rtl`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.Level.html#method.rtl) for more information.
    */
   static levelRtl() {

       const result = wasm.icu4x_Bidi_level_rtl_mv1();

       try {
           return result;
       }

       finally {
       }
   }

   /**
    * Get a simple LTR Level value
    *
    * See the [Rust documentation for `ltr`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.Level.html#method.ltr) for more information.
    */
   static levelLtr() {

       const result = wasm.icu4x_Bidi_level_ltr_mv1();

       try {
           return result;
       }

       finally {
       }
   }

   constructor() {
       if (arguments[0] === diplomatRuntime.exposeConstructor) {
           return this.#internalConstructor(...Array.prototype.slice.call(arguments, 1));
       } else if (arguments[0] === diplomatRuntime.internalConstructor) {
           return this.#internalConstructor(...arguments);
       } else {
           return this.#defaultConstructor(...arguments);
       }
   }
}